styles.css

/* ═══════════════════════════════════════════════════════════════
   PYTHON PROJECTS GALLERY — PREMIUM DESIGN SYSTEM
   Typography: Inter (UI) + JetBrains Mono (Tech)
   Palette: Deep slates, soft glows, glassmorphism
   Motion: transform/opacity only, cubic-bezier(0.16,1,0.3,1)
   ═══════════════════════════════════════════════════════════════ */

@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap");

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  --font-sans: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;

  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --accent-glow: rgba(34, 197, 94, 0.25);
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #10b981;

  --bg: #0c0f1a;
  --bg-elevated: rgba(18, 22, 36, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --surface: rgba(18, 22, 36, 0.92);
  --surface-hover: rgba(30, 35, 52, 0.95);
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(34, 197, 94, 0.2);
  --text: #f0f2f5;
  --text-secondary: #8892a4;
  --text-tertiary: #4a5368;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px var(--accent-glow);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 200ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;

  --nav-height: 72px;
}

[data-theme="light"] {
  --bg: #f4f6f9;
  --bg-elevated: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(0, 0, 0, 0.02);
  --surface: rgba(255, 255, 255, 0.92);
  --surface-hover: #ffffff;
  --border: rgba(0, 0, 0, 0.06);
  --border-accent: rgba(34, 197, 94, 0.25);
  --text: #0f172a;
  --text-secondary: #64748b;
  --text-tertiary: #94a3b8;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 30px rgba(34, 197, 94, 0.15);
}

/* ── Reset & Base ──────────────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition:
    background var(--duration-base) ease,
    color var(--duration-base) ease;
  overflow-x: hidden;
}

::selection {
  background: var(--accent);
  color: #fff;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--text-tertiary);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* ── Visually Hidden ───────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  z-index: 5000;
  transition: top var(--duration-fast) ease;
}

.skip-link:focus {
  top: 16px;
}

/* ── Cursor Glow ───────────────────────────────────────────── */
.cursor-glow {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  transform: translate3d(-50%, -50%, 0);
  opacity: 0;
  transition: opacity 0.4s ease;
  will-change: transform;
}

[data-theme="light"] .cursor-glow {
  opacity: 0 !important;
}


main>.hero-section:has(.hero-code-snippets) {
  display: none;
}

.hero-controls {
  display: none !important;
}

.legacy-home-hero {
  display: none !important;
}

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION — Floating Glass Dock
   ═══════════════════════════════════════════════════════════════ */
/* ── Primary Left Sidebar Dock ────────────────────────────── */
.sidebar-dock {
  position: fixed;
  top: 16px;
  left: 16px;
  bottom: 16px;
  width: 280px;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition:
    transform var(--duration-slow) var(--ease-out-expo),
    opacity var(--duration-slow) var(--ease-out-expo),
    left var(--duration-slow) var(--ease-out-expo);
  transform: translateX(-120%);
  opacity: 0;
  pointer-events: none;
}

body.sidebar-active .sidebar-dock {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

[data-theme="light"] .sidebar-dock {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(0, 0, 0, 0.06);
}

.sidebar-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-search {
  width: 100%;
}

.sidebar-search .search-box {
  width: 100%;
  max-width: none;
}

.sidebar-search .search-dropdown {
  width: 280px;
  left: calc(100% + 12px);
  top: 0;
}

.sidebar-menu-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  overflow-y: auto;
  scrollbar-width: none;
  /* Hide scrollbar for clean vertical list */
}

.sidebar-menu-wrapper::-webkit-scrollbar {
  display: none;
}

.sidebar-menu-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  padding-left: 6px;
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 2px 6px;
  /* Horizontal safe gutter prevents box-shadow clipping and boundary overlap */
}

/* Sidebar menu tab colors */
.sidebar-tab[data-category="all"] {
  --tab-color: var(--accent);
  --tab-color-glow: rgba(16, 185, 129, 0.25);
  --tab-color-soft: rgba(16, 185, 129, 0.08);
  --tab-color-soft-hover: rgba(16, 185, 129, 0.03);
}

.sidebar-tab[data-category="games"] {
  --tab-color: #ec4899;
  /* Neon Pink */
  --tab-color-glow: rgba(236, 72, 153, 0.25);
  --tab-color-soft: rgba(236, 72, 153, 0.08);
  --tab-color-soft-hover: rgba(236, 72, 153, 0.03);
}

.sidebar-tab[data-category="math"] {
  --tab-color: #6366f1;
  /* Cosmic Indigo/Blue */
  --tab-color-glow: rgba(99, 102, 241, 0.25);
  --tab-color-soft: rgba(99, 102, 241, 0.08);
  --tab-color-soft-hover: rgba(99, 102, 241, 0.03);
}

.sidebar-tab[data-category="utilities"] {
  --tab-color: #10b981;
  /* Mint Green */
  --tab-color-glow: rgba(16, 185, 129, 0.25);
  --tab-color-soft: rgba(16, 185, 129, 0.08);
  --tab-color-soft-hover: rgba(16, 185, 129, 0.03);
}

.sidebar-tab[data-category="favorites"] {
  --tab-color: #f59e0b;
  /* Amber Gold */
  --tab-color-glow: rgba(245, 158, 11, 0.25);
  --tab-color-soft: rgba(245, 158, 11, 0.08);
  --tab-color-soft-hover: rgba(245, 158, 11, 0.03);
}

.sidebar-tab[data-category="playground"] {
  --tab-color: #a78bfa;
  /* Electric Purple */
  --tab-color-glow: rgba(167, 139, 250, 0.25);
  --tab-color-soft: rgba(167, 139, 250, 0.08);
  --tab-color-soft-hover: rgba(167, 139, 250, 0.03);
}

.sidebar-menu .sidebar-tab {
  display: flex;
  align-items: center;
  width: 100%;
  text-align: left;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--duration-fast) ease;
  cursor: pointer;
  position: relative;
  /* Added relative context for active line */
}

/* Active sidebar category glow line */
.sidebar-menu .sidebar-tab::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 20%;
  height: 60%;
  width: 3px;
  background: var(--tab-color);
  border-radius: 99px;
  opacity: 0;
  transform: scaleY(0);
  transition:
    transform var(--duration-base) var(--ease-out-expo),
    opacity var(--duration-base) ease;
}

.sidebar-menu .sidebar-tab.active::before {
  opacity: 1;
  transform: scaleY(1);
}

.sidebar-menu .sidebar-tab:hover {
  color: var(--text);
  background: var(--tab-color-soft-hover);
  border-color: rgba(255, 255, 255, 0.03);
  padding-left: 16px;
  /* Stable horizontal content shift */
}

[data-theme="light"] .sidebar-menu .sidebar-tab:hover {
  background: rgba(0, 0, 0, 0.015);
  border-color: rgba(0, 0, 0, 0.02);
}

.sidebar-menu .sidebar-tab.active {
  color: var(--text);
  background: var(--tab-color-soft);
  border-color: var(--tab-color-glow);
  box-shadow: 0 0 16px var(--tab-color-glow);
  padding-left: 18px;
  /* Stable horizontal active content shift */
}

/* Sidebar Search Box Focus Glow */
.sidebar-search .search-box input:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.15) !important;
  background: rgba(255, 255, 255, 0.04) !important;
}

.sidebar-controls button {
  position: relative;
  transition: all var(--duration-fast) ease-in;
}

.sidebar-controls button i {
  transition: transform var(--duration-fast) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sidebar-controls button:hover i {
  transform: scale(1.18) rotate(8deg);
}

.sidebar-menu .sidebar-tab .sidebar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
  transition: all var(--duration-fast) ease-in;
}

.sidebar-menu .sidebar-tab:hover .sidebar-icon,
.sidebar-menu .sidebar-tab.active .sidebar-icon {
  color: var(--tab-color);
}

.sidebar-menu .sidebar-tab.active .sidebar-icon {
  transform: scale(1.15);
}

.sidebar-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.sidebar-main-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}

.sidebar-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  justify-content: space-around;
}

.sidebar-controls .sound-toggle,
.sidebar-controls .theme-toggle {
  flex: 1;
  height: 40px;
  border-radius: 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration-fast) ease;
}

.sidebar-controls .sound-toggle:hover,
.sidebar-controls .theme-toggle:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--border-accent);
}

.logo-tagline::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

@media (min-width: 900px) {
  .logo-tagline {
    display: inline-flex;
  }
}

/* ── Search ────────────────────────────────────────────────── */
/* Glowing Sound and Theme Toggle Icons */
.sound-toggle i {
  color: #14b8a6;
  /* Neon Teal */
  filter: drop-shadow(0 0 6px rgba(20, 184, 166, 0.45));
  transition: all var(--duration-fast) ease-in;
}

.sound-toggle.muted i,
.sound-toggle i.fa-volume-mute {
  color: #ef4444 !important;
  /* Muted Red */
  filter: drop-shadow(0 0 6px rgba(239, 68, 68, 0.5)) !important;
}

.theme-toggle i.fa-moon {
  color: #8b5cf6;
  /* Cosmic Purple */
  filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.55));
}

.theme-toggle i.fa-sun {
  color: #f59e0b;
  /* Golden Sun */
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.55));
}

.search-box {
  flex: 1;
  max-width: 400px;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  border-radius: 14px;
  border: 2px solid var(--border);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.05), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(8px);
  transition:
    border-color var(--duration-base) var(--ease-out-expo),
    background var(--duration-base) var(--ease-out-expo),
    box-shadow var(--duration-base) var(--ease-out-expo),
    transform var(--duration-fast) ease;
  position: relative;
  overflow: hidden;
}

.search-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(34, 197, 94, 0.1), transparent);
  opacity: 0;
  transition: opacity var(--duration-fast) ease;
  pointer-events: none;
}

.search-box:hover {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(34, 197, 94, 0.04));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.15);
}

.search-box i {
  color: var(--text-secondary);
  font-size: 0.95rem;
  flex-shrink: 0;
  transition: all var(--duration-fast) ease;
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  font-weight: 500;
  min-width: 0;
  letter-spacing: 0.3px;
  transition: color var(--duration-fast) ease;
}

.search-box input::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

.search-box:focus-within {
  border-color: var(--accent);
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(34, 197, 94, 0.08));
  box-shadow:
    0 12px 32px rgba(34, 197, 94, 0.25),
    inset 0 1px 3px rgba(34, 197, 94, 0.1);
  transform: translateY(-2px);
}

.search-box:focus-within::before {
  opacity: 1;
}

.search-box:focus-within i {
  color: var(--accent);
  transform: scale(1.1);
}

.search-box:focus-within input {
  color: var(--text);
}

.hero-search-note {
  margin: 0.85rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.hero-search-note kbd {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface-elevated);
  color: var(--text);
  font-size: 0.72rem;
  line-height: 1;
}

/* ── Nav Controls ──────────────────────────────────────────── */
.nav-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.sound-toggle,
.theme-toggle {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) ease-in;
}

.fixed-theme-toggle {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 1101;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.fixed-theme-toggle:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

@media (max-width: 900px) {
  .fixed-theme-toggle {
    top: 14px;
    left: 14px;
    width: 42px;
    height: 42px;
  }
}

.sound-toggle:hover,
.theme-toggle:hover {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: var(--border-accent);
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  color: var(--text);
  font-size: 0.9rem;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════
   HERO SECTION — Cinematic
   ═══════════════════════════════════════════════════════════════ */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 12px) 24px 60px;
  overflow: hidden;
}

#boardCanvas
{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-background::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.3;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center,
      black 30%,
      transparent 70%);
}

.hero-background::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 60%);
  opacity: 0.6;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.hero-orb-one {
  width: 400px;
  height: 400px;
  left: -100px;
  top: 10%;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.3), transparent 70%);
  animation: orbFloat 20s ease-in-out infinite;
}

.hero-orb-two {
  width: 500px;
  height: 500px;
  right: -150px;
  top: 20%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2), transparent 70%);
  animation: orbFloat 25s ease-in-out infinite reverse;
}

.hero-orb-three {
  width: 300px;
  height: 300px;
  left: 40%;
  bottom: -50px;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.15), transparent 70%);
  animation: orbFloat 18s ease-in-out infinite 5s;
}

@keyframes orbFloat {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(30px, -40px) scale(1.05);
  }

  66% {
    transform: translate(-20px, 20px) scale(0.95);
  }
}

/* ── Hero Content ──────────────────────────────────────────── */
.hero-shell {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 800px;
  width: 100%;
}

.hero-badge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Hero Big Logo & Brand Title ────────────────────────────── */
.hero-logo-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 3vw, 20px);
  margin-bottom: 24px;
  animation: fadeInUp var(--duration-slow) var(--ease-out-expo) both;
  width: 100%;
  max-width: 100%;
}

.hero-logo-text {
  font-family: var(--font-sans);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: normal;
  flex-wrap: wrap;
  text-align: center;
  max-width: 100%;
  padding-inline: 12px;
}

.hero-logo-py {
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-logo-mini {
  color: var(--text);
  background: linear-gradient(135deg, var(--text), var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-logo-parens {
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

[data-theme="light"] .hero-logo-py {
  color: rgba(0, 0, 0, 0.45);
}

[data-theme="light"] .hero-logo-mini {
  color: #000;
}

.hidden {
  display: none !important;
}

/* ── AI Resume Analyzer ────────────────────────────────────── */
.resume-analyzer-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.25rem 0 0.75rem;
}

.resume-analyzer-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.resume-analyzer-copy h2 {
  margin: 0.35rem 0 0.45rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.04em;
}

.resume-analyzer-copy p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.resume-analyzer-badge,
.resume-analyzer-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.resume-analyzer-pill {
  white-space: nowrap;
}

.resume-analyzer-grid {
  display: grid;
  gap: 1rem;
}

.resume-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.resume-upload-box {
  display: grid;
  place-items: center;
  gap: 0.75rem;
  padding: 1.25rem;
  border-radius: 18px;
  border: 1.5px dashed var(--accent);
  background: linear-gradient(180deg,
      rgba(34, 197, 94, 0.06),
      rgba(6, 182, 212, 0.04));
  text-align: center;
}

.resume-upload-icon {
  font-size: 2.4rem;
  color: var(--accent);
}

.resume-file-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.15rem;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) ease;
}

.resume-file-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.resume-upload-box p {
  margin: 0;
  color: var(--text-secondary);
}

.resume-analyze-btn {
  width: 100%;
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(34, 197, 94, 0.18);
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) ease;
}

.resume-analyze-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(34, 197, 94, 0.24);
}

.resume-score-panel h3,
.resume-mini-card h3 {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
}

.resume-score-panel {
  display: grid;
  place-items: center;
  text-align: center;
}

.resume-progress-circle {
  width: 136px;
  height: 136px;
  border-radius: 50%;
  border: 10px solid var(--accent);
  display: grid;
  place-items: center;
  margin: 0.2rem auto 1rem;
  background: radial-gradient(circle at 30% 30%,
      rgba(255, 255, 255, 0.08),
      transparent 55%);
}

.resume-progress-circle span {
  font-size: 2rem;
  font-weight: 800;
}

.resume-extra-info {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.resume-bottom-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.resume-mini-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem;
}

.resume-keyword-item {
  margin-bottom: 0.95rem;
}

.resume-keyword-item span {
  display: inline-block;
  margin-bottom: 0.45rem;
  color: var(--text);
  font-weight: 600;
}

.resume-bar {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-elevated);
}

.resume-bar>div {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #06b6d4);
}

.resume-suggestion {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin-top: 0.85rem;
  color: var(--text-secondary);
}

.resume-suggestion i {
  color: var(--accent);
  margin-top: 0.2rem;
}

@media (max-width: 720px) {
  .resume-analyzer-hero {
    flex-direction: column;
  }

  .resume-analyzer-pill {
    white-space: normal;
  }

  .resume-bottom-panel {
    grid-template-columns: 1fr;
  }

  .resume-panel {
    padding: 1rem;
  }
}

/* ── Hero Badge Row (Glassified Kicker & Status Button) ──────── */
.hero-kicker,
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    background var(--duration-fast) ease,
    border-color var(--duration-fast) ease,
    box-shadow var(--duration-fast) ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
}

[data-theme="light"] .hero-kicker,
[data-theme="light"] .hero-status {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
  color: var(--text);
}

.hero-kicker::before,
.hero-status::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.18),
      transparent);
  transition: none;
}

.hero-kicker:hover,
.hero-status:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
  box-shadow: 0 6px 20px var(--accent-glow);
}

[data-theme="light"] .hero-kicker:hover,
[data-theme="light"] .hero-status:hover {
  background: rgba(0, 0, 0, 0.07);
  border-color: var(--accent);
}

.hero-kicker:hover::before,
.hero-status:hover::before {
  left: 100%;
  transition: left 0.75s ease-in-out;
}

/* Dots Inside Hero Badges */
.hero-kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulseKicker 2s ease-in-out infinite;
}

@keyframes pulseKicker {

  0%,
  100% {
    opacity: 1;
    transform: scale(1.1);
  }

  50% {
    opacity: 0.4;
    transform: scale(0.85);
  }
}

.hero-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ef4444;
  /* Blinking Red Dot */
  box-shadow:
    0 0 10px rgba(239, 68, 68, 0.8),
    0 0 20px rgba(239, 68, 68, 0.4);
  animation: blinkRed 1.2s ease-in-out infinite;
}

@keyframes blinkRed {

  0%,
  100% {
    opacity: 1;
    transform: scale(1.1);
    box-shadow:
      0 0 10px rgba(239, 68, 68, 0.8),
      0 0 20px rgba(239, 68, 68, 0.4);
  }

  50% {
    opacity: 0.35;
    transform: scale(0.85);
    box-shadow: 0 0 4px rgba(239, 68, 68, 0.2);
  }
}

.hero-title-wrapper {
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--text);
}

.hero-title-line {
  display: block;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}

.btn-primary-hero,
.btn-contribution-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    background var(--duration-fast) ease,
    border-color var(--duration-fast) ease,
    box-shadow var(--duration-fast) ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

[data-theme="light"] .btn-primary-hero,
[data-theme="light"] .btn-contribution-hero {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
  color: var(--text);
}

.btn-primary-hero::before,
.btn-contribution-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      rgba(255, 255, 255, 0.18),
      transparent);
  transition: none;
}

.btn-primary-hero:hover,
.btn-contribution-hero:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
  box-shadow: 0 8px 30px var(--accent-glow);
}

[data-theme="light"] .btn-primary-hero:hover,
[data-theme="light"] .btn-contribution-hero:hover {
  background: rgba(0, 0, 0, 0.07);
  border-color: var(--accent);
}

.btn-primary-hero:hover::before,
.btn-contribution-hero:hover::before {
  left: 100%;
  transition: left 0.75s ease-in-out;
}

.btn-primary-hero:active,
.btn-contribution-hero:active {
  transform: translateY(0);
}

.btn-secondary-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 12px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  transition: all var(--duration-fast) ease;
}

.btn-secondary-hero:hover {
  background: var(--bg-elevated);
  border-color: var(--text-tertiary);
  transform: translateY(-2px);
}

/* ── Hero Meta ─────────────────────────────────────────────── */
.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta strong {
  color: var(--text);
  font-weight: 600;
}

.hero-meta span::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}


/* ═══════════════════════════════════════════════════════════════
   FILTER SIDEBAR
   ═══════════════════════════════════════════════════════════════ */
.filter-sidebar {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin: 0 auto 48px;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.filter-sidebar::-webkit-scrollbar {
  display: none;
}

.sidebar-header,
.sidebar-divider,
.sidebar-random-btn,
.sidebar-badge {
  display: none;
}

.sidebar-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all var(--duration-fast) ease;
  cursor: pointer;
}

.sidebar-tab:hover {
  color: var(--text);
  background: var(--tab-color-soft-hover);
  border-color: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .sidebar-tab:hover {
  background: rgba(0, 0, 0, 0.015);
  border-color: rgba(0, 0, 0, 0.02);
}

.sidebar-tab.active {
  color: var(--text);
  background: var(--tab-color-soft);
  border-color: var(--tab-color-glow);
  box-shadow: 0 0 12px var(--tab-color-glow);
}

.sidebar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-tertiary);
  transition: all var(--duration-fast) ease;
}

.sidebar-tab:hover .sidebar-icon,
.sidebar-tab.active .sidebar-icon {
  color: var(--tab-color);
}

.sidebar-icon svg {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

.sidebar-label {
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════
   PROJECTS SECTION — Bento Grid
   ═══════════════════════════════════════════════════════════════ */
.projects-section {
  padding: 40px 0 80px;
  position: relative;
  z-index: 1;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}

.section-heading {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.section-heading span {
  color: var(--text-secondary);
  font-weight: 400;
}

.btn-random-project {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  transition: all var(--duration-fast) ease;
  white-space: nowrap;
}

.btn-random-project:hover {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-random-project.shuffle i {
  animation: spin 0.4s ease;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Bento Grid ────────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* ── Desktop Sidebar-Aware Project Layout ───────────────────── */
@media (min-width: 768px) {
  .projects-section {
    max-width: none !important;
    width: 100% !important;
    margin: 0 !important;
    padding-right: 24px !important;
  }

  .projects-section>.container {
    max-width: none !important;
    width: 100% !important;
    margin: 0 !important;
  }

  body.sidebar-active:not(.sidebar-collapsed) .projects-section {
    padding-left: 296px !important;
  }

  body.sidebar-collapsed .projects-section {
    padding-left: 128px !important;
  }

  body.sidebar-active:not(.sidebar-collapsed) .recently-viewed-section {
    padding-left: 296px !important;
  }

  body.sidebar-collapsed .recently-viewed-section {
    padding-left: 128px !important;
  }

  body.sidebar-active:not(.sidebar-collapsed) .recently-opened-section {
    padding-left: 296px !important;
  }

  body.sidebar-collapsed .recently-opened-section {
    padding-left: 128px !important;
  }

  body.sidebar-active:not(.sidebar-collapsed) .hero-section,
  body.sidebar-active:not(.sidebar-collapsed) .playground-section {
    padding-left: 296px !important;
  }

  body.sidebar-collapsed .hero-section,
  body.sidebar-collapsed .playground-section {
    padding-left: 128px !important;
  }

  body.sidebar-collapsed .projects-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 20px;
  }

  body:not(.sidebar-collapsed) .projects-grid {
    gap: 24px;
  }
}

/* Project Card */
.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition:
    transform 360ms var(--ease-out-expo),
    border-color var(--duration-fast) ease,
    box-shadow 360ms ease,
    background var(--duration-fast) ease;
  overflow: hidden;
  -webkit-user-select: none;
  user-select: none;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  background: var(--surface-hover);
}

[data-theme="light"] .project-card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.project-card:active {
  transform: translateY(-1px);
}

/* ── Card Banner ──────────────────────────────────────────── */
.card-banner {
  width: calc(100% + 48px);
  max-width: none;
  margin: -24px -24px 16px;
  height: 160px;
  object-fit: cover;
  display: block;
  border-radius: 20px 20px 0 0;
  flex-shrink: 0;
  transition:
    transform 0.4s var(--ease-out-expo),
    filter 0.4s ease;
  will-change: transform;
  background: var(--bg-glass);
}

.project-card:hover .card-banner {
  transform: scale(1.03);
  filter: brightness(1.08) saturate(1.05);
}

.project-card .card-banner+.card-category {
  margin-top: 0;
}

/* Gradient overlay on banner for depth */
.card-banner-wrap {
  position: relative;
  width: calc(100% + 48px);
  margin: -24px -24px 0;
  overflow: hidden;
  flex-shrink: 0;
}

.card-banner-wrap .card-banner {
  width: 100%;
  margin: 0;
  height: 160px;
  border-radius: 0;
}

.card-banner-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, var(--surface) 100%);
  pointer-events: none;
}

/* Banner-less cards get a subtle gradient header */
.card-gradient-head {
  width: calc(100% + 48px);
  margin: -24px -24px 16px;
  height: 80px;
  border-radius: 20px 20px 0 0;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-soft), transparent 60%);
  opacity: 0.5;
}

/* Card glow border that tracks cursor */
.project-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 20px;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
      var(--accent-glow),
      transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

.project-card:hover::before {
  opacity: 1;
}

.project-card>* {
  position: relative;
  z-index: 1;
}

/* Card Layout */
.card-category {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  margin-bottom: 12px;
}

.card-banner+.card-category,
.card-banner-wrap+.card-category {
  margin-top: 0;
}

.card-category .cat-icon {
  width: 12px;
  height: 12px;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.btn-play {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-glass);
  border: 1px solid var(--border);
  transition: all var(--duration-fast) ease;
}

.btn-play:hover {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: scale(1.02);
}

.btn-favorite,
.btn-share {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  background: transparent;
  border: 1px solid transparent;
  transition: all var(--duration-fast) ease;
  flex-shrink: 0;
}

.btn-favorite:hover,
.btn-share:hover {
  background: var(--bg-glass);
  border-color: var(--border);
  color: var(--text-secondary);
  transform: scale(1.1);
}

.btn-favorite.active {
  color: var(--warning);
}

.btn-share svg {
  width: 13px;
  height: 13px;
}

.project-card h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  line-height: 1.3;
}

.project-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0;
  flex: 1;
}

.card-metrics {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-tertiary);
}

.card-metrics span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.project-card-badge {
  display: none;
}

.project-card-meta {
  display: none;
}

/* ── Bento Grid Sizing ─────────────────────────────────────── */
.project-card[data-category="games"] {
  grid-column: span 1;
}

.project-card[data-category="math"] {
  grid-column: span 1;
}

.project-card[data-category="utilities"] {
  grid-column: span 1;
}

/* ── Search Dropdown ───────────────────────────────────────── */
.search-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  display: none;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.search-dropdown.active {
  display: block;
  animation: dropdownIn 0.2s var(--ease-out-expo);
}

@keyframes dropdownIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-content {
  max-height: 360px;
  overflow-y: auto;
}

.dropdown-section {
  padding: 8px 0;
}

.dropdown-section-title {
  padding: 8px 16px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}

.dropdown-list {
  display: flex;
  flex-direction: column;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: background var(--duration-fast) ease;
  color: var(--text-secondary);
}

.dropdown-item:hover,
.dropdown-item.selected {
  background: var(--accent-soft);
  color: var(--text);
}

.dropdown-item-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  overflow: hidden;
  flex-shrink: 0;
}

.dropdown-item-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dropdown-item-text {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 500;
}

.dropdown-item-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 4px;
}

.recent-searches-section,
.tips-section,
.no-results-message {
  padding: 16px;
}

.recent-searches-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 0 8px;
  margin: 0;
}

.recent-searches-heading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}

.recent-searches-heading i {
  color: var(--accent);
  font-size: 0.78rem;
  opacity: 0.9;
  transition: transform var(--duration-fast) ease, opacity var(--duration-fast) ease;
}

.recent-searches-section:hover .recent-searches-heading i {
  transform: rotate(-12deg);
  opacity: 1;
}

.recent-searches-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
}

.recent-search-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 2px 4px 2px 12px;
  border-radius: 999px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px) saturate(1.35);
  -webkit-backdrop-filter: blur(12px) saturate(1.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition:
    transform var(--duration-fast) var(--ease-out-expo),
    box-shadow var(--duration-fast) ease,
    border-color var(--duration-fast) ease,
    background var(--duration-fast) ease;
  animation: recentChipIn 0.28s var(--ease-out-expo) both;
}

[data-theme="light"] .recent-search-chip {
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

.recent-search-chip:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.35);
  background: var(--surface-hover);
  box-shadow: 0 6px 18px rgba(99, 102, 241, 0.18);
}

.recent-search-chip-label {
  display: inline-flex;
  align-items: center;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  padding: 6px 4px 6px 0;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--duration-fast) ease;
}

.recent-search-chip-label span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.recent-search-chip-label:hover,
.recent-search-chip:hover .recent-search-chip-label {
  color: var(--accent);
}

.recent-search-chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-right: 2px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 0.65rem;
  opacity: 0.55;
  transition:
    opacity var(--duration-fast) ease,
    background var(--duration-fast) ease,
    color var(--duration-fast) ease,
    transform var(--duration-fast) ease;
}

.recent-search-chip:hover .recent-search-chip-remove,
.recent-search-chip-remove:focus-visible {
  opacity: 1;
}

.recent-search-chip-remove:hover {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  transform: scale(1.08);
}

.recent-searches-empty {
  width: 100%;
  margin: 4px 0 0;
  padding: 14px 12px;
  border-radius: 12px;
  font-size: 0.84rem;
  line-height: 1.45;
  color: var(--text-tertiary);
  text-align: center;
  background: var(--bg-glass);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  animation: recentChipIn 0.3s var(--ease-out-expo) both;
}

[data-theme="light"] .recent-searches-empty {
  border-color: rgba(0, 0, 0, 0.08);
}

@keyframes recentChipIn {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.dropdown-recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
}

.dropdown-recent-text {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.dropdown-recent-text:hover {
  color: var(--text);
}

.dropdown-recent-remove {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity var(--duration-fast) ease;
}

.dropdown-recent-item:hover .dropdown-recent-remove {
  opacity: 1;
}


.recent-clear-all-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0 6px;
  margin-left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--duration-fast) ease, text-shadow var(--duration-fast) ease;
}

.recent-clear-all-btn:hover {
  color: var(--accent-glow);
  text-shadow: 0 0 8px var(--accent-glow);
}

.dropdown-clear-all {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  justify-content: center;
}

.dropdown-clear-all-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--duration-fast) ease;
}

.dropdown-clear-all-btn:hover {
  color: var(--accent);
}

/* Confirm modal styles */
.confirm-modal-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1200;
}

.confirm-modal-overlay.active {
  display: flex;
}

.confirm-modal-content {
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 18px;
  width: 320px;
  max-width: calc(100% - 40px);
  box-shadow: 0 8px 30px rgba(2, 6, 23, 0.6);
  text-align: left;
}

.confirm-modal-content h3 {
  margin: 0 0 8px 0;
  font-size: 1.05rem;
}

.confirm-modal-content p {
  margin: 0 0 16px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.confirm-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn {
  padding: 8px 12px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-on-accent, #fff);
}

.btn-primary:hover {
  box-shadow: 0 0 10px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
}

.tips-section p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.tips-section ul {
  list-style: none;
  padding: 0;
}

.tips-section li {
  padding: 4px 0;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.tips-section code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 1px 6px;
  border-radius: 4px;
}

.no-results-message {
  text-align: center;
  padding: 24px 16px;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

/* Search loader */
.search-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes searchPulse {
  0% {
    box-shadow: 0 0 0px rgba(0, 255, 200, 0);
    transform: scale(1);
  }

  20% {
    box-shadow: 0 0 18px rgba(0, 255, 200, 0.6);
    transform: scale(1.02);
  }

  60% {
    box-shadow: 0 0 10px rgba(0, 255, 200, 0.3);
    transform: scale(1.01);
  }

  100% {
    box-shadow: 0 0 0px rgba(0, 255, 200, 0);
    transform: scale(1);
  }
}

.search-box.flash {
  animation: searchPulse 1.2s ease-in-out;
}

/* ── Empty State ───────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  grid-column: 1 / -1;
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.empty-state-hint {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════
   PLAYGROUND SECTION
   ═══════════════════════════════════════════════════════════════ */
.playground-section {
  padding: 40px 0 80px;
  position: relative;
  z-index: 1;
}

.playground-header {
  text-align: center;
  margin-bottom: 32px;
}

.playground-title-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.playground-title {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.playground-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  flex-shrink: 0;
  transition: background var(--duration-fast) ease;
}

.status-dot.loading {
  background: var(--warning);
  animation: pulse 1s ease-in-out infinite;
}

.status-dot.ready {
  background: var(--success);
}

.status-dot.error {
  background: var(--danger);
}

.playground-subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.playground-subtitle a {
  color: var(--accent);
  font-weight: 500;
}

.playground-hint {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.playground-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.playground-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .playground-body {
    grid-template-columns: 1fr;
  }
}

.editor-panel,
.console-panel {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.editor-panel:focus-within {
  border-color: var(--accent);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  gap: 12px;
  flex-wrap: wrap;
}

.panel-header span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.editor-actions {
  display: flex;
  gap: 6px;
}

.draft-selector {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
}

.draft-status {
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-glass);
}

.btn-panel-action {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  transition: all var(--duration-fast) ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-panel-action:hover {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--accent);
}

body.sidebar-active:not(.sidebar-collapsed) .playground-section {
  padding-left: 296px !important;
}

body.sidebar-collapsed .playground-section {
  padding-left: 128px !important;
}


/* ── CodeMirror 6 Editor Container ─────────────────────────── */
#pythonEditor {
  flex: 1;
  min-height: 280px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* The CM editor root fills the container */
#pythonEditor .cm-editor {
  flex: 1;
  height: 100%;
  min-height: 280px;
  outline: none;
}

/* Scroller takes full height */
#pythonEditor .cm-scroller {
  flex: 1;
  overflow: auto;
  min-height: 280px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
}

/* Remove default CM focus ring — editor-panel provides its own */
#pythonEditor .cm-editor.cm-focused {
  outline: none;
}

/* Trigger the panel's accent border when CM is focused */
.editor-panel:has(.cm-editor.cm-focused) {
  border-color: var(--accent);
}

/* Fallback for browsers without :has (Firefox < 121) */
.editor-panel:focus-within {
  border-color: var(--accent);
}

/* Light mode: slightly tinted gutter background */
[data-theme='light'] #pythonEditor .cm-gutters {
  background: rgba(0, 0, 0, 0.03);
}

/* Smooth theme transition */
#pythonEditor .cm-editor {
  transition: background-color var(--duration-base) ease;
}

.console-output {
  flex: 1;
  min-height: 280px;
  padding: 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
  overflow-y: auto;
  background: transparent;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

.pg-placeholder {
  color: var(--text-tertiary);
  font-style: italic;
}

.playground-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-run {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: all var(--duration-fast) var(--ease-out-expo);
}

.btn-run:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-run:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-stop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--danger);
  border: none;
  transition: all var(--duration-fast) var(--ease-out-expo);
}

.btn-stop:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

.btn-stop:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ═══════════════════════════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════════════════════════ */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  animation: fadeIn 0.25s ease;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--surface);
  padding: 32px;
  border-radius: 24px;
  max-width: 900px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  animation: modalSlideUp 0.3s var(--ease-out-expo);
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10001;
  background: var(--danger-color);
  color: var(--on-accent);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.modal-dialog-title {
  margin-bottom: 20px;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

#modalBody {
  min-height: 200px;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  position: relative;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h2 {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.footer-social-icons {
  display: flex;
  gap: 10px;
}

.footer-links h3 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: color var(--duration-fast) ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-links a:active {
  transform: scale(0.96);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 0.82rem;
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-bottom-links a {
  color: var(--text-tertiary);
  transition: color var(--duration-fast) ease;
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

.separator {
  color: var(--text-tertiary);
  opacity: 0.5;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER HOVER ENHANCEMENTS
   ═══════════════════════════════════════════════════════════════ */
.footer {
  overflow: hidden;
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.footer:hover {
  transform: translateY(-2px);
  box-shadow: 0 -18px 40px rgba(0, 0, 0, 0.08);
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent, #22c55e), transparent);
  opacity: 0.75;
  pointer-events: none;
}

.footer::after {
  content: "";
  position: absolute;
  inset: auto -20% 0;
  height: 120px;
  background: radial-gradient(circle at center, rgba(34, 197, 94, 0.08), transparent 65%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.footer:hover::after {
  opacity: 1;
}

.footer-social-icons a {
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.footer-social-icons a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(6, 182, 212, 0.12));
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.footer-social-icons a:hover {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(34, 197, 94, 0.14);
}

.footer-social-icons a:hover::before {
  opacity: 1;
  transform: scale(1);
}

.footer-social-icons a:active {
  transform: translateY(0);
}

.footer-links h3 {
  display: inline-block;
  position: relative;
  padding-bottom: 6px;
}

.footer-links h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent, #22c55e), #06b6d4);
  transition: width 0.35s ease;
}

.footer-links:hover h3::after,
.footer-links:focus-within h3::after {
  width: 100%;
}

.footer-links a,
.footer-bottom-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  transition: color 0.25s ease, transform 0.25s ease, opacity 0.25s ease;
}

.footer-links a {
  padding: 3px 8px 3px 6px;
  border-radius: 8px;
}

.footer-links a::after,
.footer-bottom-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent, #22c55e), #06b6d4);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.28s ease;
}

.footer-links a:hover,
.footer-bottom-links a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.footer-links a:hover::after,
.footer-bottom-links a:hover::after {
  transform: scaleX(1);
}

.footer-links a:focus-visible,
.footer-social-icons a:focus-visible,
.footer-bottom-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 8px;
}

[data-theme="light"] .footer-social-icons a:hover {
  background: rgba(106, 191, 141, 0.12);
  border-color: rgba(106, 191, 141, 0.3);
  color: #3d8a5e;
  box-shadow: 0 10px 20px rgba(106, 191, 141, 0.18);
}

[data-theme="dark"] .footer-social-icons a:hover {
  background: rgba(159, 221, 181, 0.12);
  border-color: rgba(159, 221, 181, 0.28);
  color: #9fddb5;
  box-shadow: 0 10px 20px rgba(159, 221, 181, 0.15);
}

[data-theme="light"] .footer-links a:hover,
[data-theme="light"] .footer-bottom-links a:hover {
  color: #4a8a5e;
}

[data-theme="dark"] .footer-links a:hover,
[data-theme="dark"] .footer-bottom-links a:hover {
  color: #9fddb5;
}

.footer-brand p {
  transition: color 0.35s ease, transform 0.35s ease;
}

.footer:hover .footer-brand p {
  transform: translateY(-1px);
}

[data-theme="light"] .footer:hover .footer-brand p {
  color: #5a4e47;
}

[data-theme="dark"] .footer:hover .footer-brand p {
  color: #e0c8b4;
}

/* ── Route and Footer Motion Overrides ────────────────────────── */
.timeline-route-badge {
  animation: routeBadgeFloat 4.8s ease-in-out infinite;
  text-shadow: 0 0 18px rgba(34, 197, 94, 0.18);
}

.timeline-route-badge::after {
  height: 5px;
  background: linear-gradient(90deg, transparent, var(--accent), #06b6d4, transparent);
  background-size: 200% 100%;
  animation: routeUnderlineFlow 2.8s linear infinite;
  filter: drop-shadow(0 0 10px var(--accent-glow));
}

.timeline-svg-track {
  stroke: rgba(148, 163, 184, 0.42);
  stroke-width: 3.5px;
  stroke-dasharray: 1 18;
  filter: drop-shadow(0 0 5px rgba(148, 163, 184, 0.12));
  animation: routeDrift 14s linear infinite;
}

.timeline-svg-fill {
  stroke-width: 3.8px;
  stroke-dasharray: 1 14;
  filter:
    drop-shadow(0 0 8px var(--accent-glow)) drop-shadow(0 0 16px rgba(6, 182, 212, 0.12));
  animation: routeGlowPulse 2.4s ease-in-out infinite;
}

.timeline-dot {
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
}

.timeline-item.visible .timeline-dot {
  animation: dotPop 520ms var(--ease-out-expo) both;
}

@keyframes routeBadgeFloat {

  0%,
  100% {
    transform: translateY(0) rotate(-0.4deg);
  }

  50% {
    transform: translateY(-4px) rotate(0.4deg);
  }
}

@keyframes routeUnderlineFlow {
  from {
    background-position: 0% 50%;
  }

  to {
    background-position: 200% 50%;
  }
}

@keyframes routeDrift {
  from {
    stroke-dashoffset: 0;
  }

  to {
    stroke-dashoffset: -96;
  }
}

@keyframes routeGlowPulse {

  0%,
  100% {
    opacity: 0.92;
  }

  50% {
    opacity: 1;
  }
}

@keyframes dotPop {
  0% {
    transform: scale(0.5);
  }

  70% {
    transform: scale(1.3);
  }

  100% {
    transform: scale(1.2);
  }
}

.footer-content>* {
  transition: transform 0.35s ease, opacity 0.35s ease;
}

.footer:hover .footer-content>* {
  transform: translateY(-3px);
}

.footer-content>*:nth-child(1) {
  transition-delay: 0ms;
}

.footer-content>*:nth-child(2) {
  transition-delay: 40ms;
}

.footer-content>*:nth-child(3) {
  transition-delay: 80ms;
}

.footer-content>*:nth-child(4) {
  transition-delay: 120ms;
}

.footer-links li {
  transform: translateX(0);
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.footer-links li:hover {
  transform: translateX(6px);
}

.footer-links a,
.footer-social-icons a,
.footer-brand p,
.footer-brand h2 {
  will-change: transform, color, opacity;
}

.footer-brand h2 {
  transition: transform 0.35s ease, letter-spacing 0.35s ease, color 0.35s ease;
}

.footer:hover .footer-brand h2 {
  transform: translateY(-1px);
  letter-spacing: -0.01em;
}

.footer-brand p {
  transition: transform 0.35s ease, color 0.35s ease, opacity 0.35s ease;
}

.footer:hover .footer-brand p {
  transform: translateY(-1px);
  opacity: 0.95;
}

.footer-bottom {
  transition: color 0.35s ease, letter-spacing 0.35s ease;
}

.footer:hover .footer-bottom {
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

@media (prefers-reduced-motion: reduce) {

  .footer-content>*,
  .footer-links li,
  .footer-brand h2,
  .footer-brand p,
  .footer-bottom {
    animation: none !important;
    transition: none !important;
  }
}

@media (min-width: 768px) {
  body.sidebar-active:not(.sidebar-collapsed) .footer {
    padding-left: 296px !important;
    padding-right: 24px !important;
  }

  body.sidebar-collapsed .footer {
    padding-left: 128px !important;
    padding-right: 24px !important;
  }
}

.footer-links a,
.footer-social-icons a,
.footer-bottom-links a {
  transition: none !important;
}

.footer-links a:hover,
.footer-bottom-links a:hover,
.footer-brand h2:hover,
.footer-brand p:hover,
.footer-bottom:hover,
.footer:hover .footer-content>*,
.footer:hover .footer-brand h2,
.footer:hover .footer-brand p,
.footer:hover .footer-bottom,
.footer-links li:hover,
.footer-links h3::after,
.footer-links a::before,
.footer-links a::after,
.footer-bottom-links a::after {
  animation: none !important;
  transform: none !important;
  box-shadow: none !important;
  background-image: none !important;
  background: none !important;
  color: inherit !important;
  opacity: 1 !important;
  width: auto !important;
  left: auto !important;
  padding-left: inherit !important;
}

.footer-links a:hover,
.footer-social-icons a:hover,
.footer-bottom-links a:hover {
  color: inherit !important;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s var(--ease-out-expo),
    transform 0.6s var(--ease-out-expo);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Share Toast ───────────────────────────────────────────── */
.share-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--surface);
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  opacity: 0;
  transition: all var(--duration-base) var(--ease-out-expo);
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: blur(20px);
}

.share-toast.share-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Project inline styles override helper ─────────────────── */
.ui-panel,
.project-content {
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--text);
  box-shadow: none;
}

.project-content h2 {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.ui-subpanel {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .navbar {
    top: 8px;
    width: calc(100% - 16px);
  }

  .nav-island {
    height: 60px;
    padding: 0 12px;
    border-radius: 16px;
  }

  .navbar.scrolled .nav-island {
    height: 56px;
  }

  .logo-tagline {
    display: none;
  }

  .search-box {
    max-width: none;
    width: 100%;
  }

  .nav-controls {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 8px;
    box-shadow: var(--shadow-lg);
  }

  .nav-controls.mobile-active {
    display: flex;
  }

  .nav-controls .sound-toggle,
  .nav-controls .theme-toggle {
    width: 100%;
    border-radius: 10px;
    height: 40px;
  }

  .hero-section {
    min-height: auto;
    padding-top: 100px;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-cta-row {
    flex-direction: column;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .card-banner,
  .card-banner-wrap .card-banner {
    height: 120px;
  }

  .card-banner-wrap {
    width: calc(100% + 32px);
    margin: -16px -16px 0;
  }

  .card-banner {
    width: calc(100% + 32px);
    margin: -16px -16px 12px;
  }

  .card-gradient-head {
    width: calc(100% + 32px);
    margin: -16px -16px 12px;
    height: 60px;
  }

  .filter-sidebar {
    margin-bottom: 24px;
  }

  .cursor-glow {
    display: none;
  }

  .hero-orb {
    display: none;
  }

  .hero-meta span {
    font-size: 0.72rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-logo-text {
    font-size: clamp(1.9rem, 11vw, 3rem);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-card {
    padding: 16px;
  }

  .modal-content {
    padding: 20px;
    width: 95%;
    border-radius: 16px;
  }
}

/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .cursor-glow,
  .hero-orb,
  .hero-orb-one,
  .hero-orb-two,
  .hero-orb-three {
    display: none;
  }

  .project-card:hover {
    transform: none;
  }

  .btn-primary-hero:hover,
  .btn-secondary-hero:hover {
    transform: none;
  }
}

/* ═══════════════════════════════════════
   FOCUS-VISIBLE — KEYBOARD ACCESSIBILITY
═══════════════════════════════════════ */

/* Global fallback for any interactive element */
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
}

/* Search input */
#searchInput:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 0;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* Sidebar tabs */
.sidebar-tab:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
  border-radius: 8px;
}

/* Search dropdown items — keyboard highlight */
.dropdown-item:focus-visible,
.dropdown-item.selected {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: -2px;
  background: var(--accent-soft);
  color: var(--text);
}

/* Project cards */
.project-card:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
}

/* Play / Try-It buttons */
.btn-play:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
}

/* Hero CTA buttons */
.btn-primary-hero:focus-visible,
.btn-secondary-hero:focus-visible,
.btn-contribution-hero:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 3px;
}

/* Sound & Theme toggles */
.sound-toggle:focus-visible,
.theme-toggle:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
}

/* Random project button */
.btn-random-project:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
}

/* Favorite & share buttons on cards */
.btn-favorite:focus-visible,
.btn-share:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
}

/* Modal close button */
.modal-close:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
}

/* Mobile sidebar toggle */
.mobile-sidebar-toggle:focus-visible {
  outline: 2px solid var(--accent, #6366f1);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════
   BACK TO TOP
═══════════════════════════════════════ */
.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 6.5rem;
  width: 3.25rem;
  height: 3.25rem;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg,
      var(--primary-color),
      var(--secondary-color));
  color: white;
  box-shadow: var(--shadow);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  opacity: 0;
  transform: translateY(1rem) scale(0.9);
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
  z-index: 1500;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.back-to-top:hover {
  box-shadow: 0 12px 30px rgba(34, 197, 94, 0.45);
  transform: translateY(-3px) scale(1.05);
}

.back-to-top:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.85);
  outline-offset: 3px;
}

/* ═══════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════ */

/* ── Share Button ───────────────────────────────────────────────── */
.btn-share {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 0.95rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transform: scale(0.95);
  transition: all 0.25s ease;
  z-index: 2;
}

.project-card:hover .btn-share {
  opacity: 1;
  transform: scale(1);
  background: rgba(34, 197, 94, 0.2);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.25);
}

.btn-share:hover {
  background: rgba(34, 197, 94, 0.3) !important;
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4) !important;
  transform: scale(1.15) !important;
}

/* ── Toast Notification ─────────────────────────────────────────── */
.share-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(1rem);
  background: var(--surface-color);
  color: var(--primary-color);
  border: 1.5px solid rgba(34, 197, 94, 0.4);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  opacity: 0;
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
  pointer-events: none;
  white-space: nowrap;
}

.share-toast--visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ═══════════════════════════════════════
   CONSOLIDATED RESPONSIVE BREAKPOINTS
═══════════════════════════════════════ */

@media (max-width: 992px) {
  .footer-brand {
    flex: 1 1 100%;
    max-width: 600px;
  }
}

@media (max-width: 768px) {

  .hero-code-snippets,
  .navbar-tagline,
  .search-shortcut {
    display: none;
  }

  .hero-section {
    padding: 7rem 0;
    min-height: 400px;
  }

  .hero-title {
    font-size: 2.3rem;
    margin-bottom: 1rem;
  }

  .python-orbit {
    width: 280px;
    height: 280px;
  }

  .python-orbiter {
    width: 40px;
    height: 40px;
    top: -20px;
  }

  .python-logo {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 2rem;
  }

  .hero-features {
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
    justify-content: flex-start;
  }

  .hero-features::-webkit-scrollbar {
    display: none;
  }

  .feature-badge {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
    flex-shrink: 0;
  }

  .feature-icon {
    font-size: 1.2rem;
  }

  .btn-explore {
    padding: 0.85rem 2rem;
    font-size: 1rem;
  }

  .hero-badges {
    gap: 0.6rem;
  }

  .badge {
    padding: 0.4rem 1.1rem;
    font-size: 0.9rem;
  }

  .tabs-section {
    padding: 2rem 0 1.5rem 0;
  }

  .tabs-section .container {
    gap: 1.5rem;
  }

  .tabs-wrapper {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }

  .tabs-wrapper .tabs {
    min-width: unset;
    width: 100%;
  }

  .tabs {
    gap: 0.6rem;
    margin-top: 0;
    justify-content: flex-start;
  }

  .tab {
    padding: 0.6rem 1.1rem;
    font-size: 0.9rem;
  }

  .btn-random-project {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
  }

  .projects-section {
    padding: 2.5rem 0;
  }

  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
  }

  .project-card {
    padding: 1.25rem 1rem;
  }

  .project-card h3 {
    font-size: 1.15rem;
  }

  .search-wrapper {
    height: 50px;
    padding: 0 1.1rem;
  }

  .search-input {
    font-size: 0.95rem;
  }

  .modal-content {
    padding: 1.5rem;
    border-radius: 16px;
  }
}

@media (max-width: 576px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .footer-social-icons {
    justify-content: center;
  }

  .footer-links h3::after,
  .footer-newsletter h3::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-links a {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 4rem 0;
  }

  .hero-title {
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
  }

  .hero-features {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    width: 100%;
    justify-content: flex-start;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
  }

  .hero-features::-webkit-scrollbar {
    display: none;
  }

  .feature-badge {
    flex-shrink: 0;
    padding: 0.5rem 0.9rem;
    font-size: 0.85rem;
  }

  .btn-explore {
    padding: 0.75rem 1.8rem;
    font-size: 0.95rem;
  }

}

@media (max-width: 375px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    padding: 2rem 0;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
  }

  .hero-badges {
    gap: 0.5rem;
  }

  .tab {
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
    border-radius: 50px;
  }

  .btn-random-project {
    width: auto;
    justify-content: flex-start;
    padding: 0.25rem 0;
    font-size: 0.82rem;
    gap: 0.4rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .project-card {
    padding: 1.25rem 1rem;
  }

  .project-card h3 {
    font-size: 1rem;
  }

  .project-card p {
    font-size: 0.85rem;
  }

  .btn-generate,
  .btn-play {
    padding: 0.6rem 1.25rem;
    font-size: 0.85rem;
  }

  .search-wrapper {
    height: 44px;
    padding: 0 0.85rem;
  }

  .search-input {
    font-size: 0.85rem;
  }

  .logo h1 {
    font-size: 1.1rem;
  }

  .theme-toggle,
  .sound-toggle {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  :root {
    --motion-duration: 0.01ms;
    --transition: none;
    --transition-fast: none;
  }

  .project-card {
    animation: none !important;
  }

  .modal {
    animation: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .modal-content {
    animation: none;
  }

  .color-bends-container::before,
  .color-bends-container::after,
  .code-snippet {
    animation: none !important;
  }

  .theme-toggle:hover,
  .theme-toggle:active,
  .tab:hover,
  .tab:active,
  .project-card:hover,
  .project-card:active,
  .btn-play:hover,
  .btn-play:active,
  .modal-close:hover {
    transform: none;
  }

}

/* ==========================================================================
   ARCADE REDESIGN OVERRIDES
   ========================================================================== */

:root {
  --accent-color: #6abf8d;
  --primary-color: #6abf8d;
  --secondary-color: #f2a65a;
  --success-color: #5fbf93;
  --danger-color: #de6d5b;
  --warning-color: #f2b85f;
  --bg-color: #f8f5ee;
  --surface-color: rgba(255, 253, 248, 0.82);
  --panel-color: #fffaf1;
  --control-color: #fffdf8;
  --text-color: #2c241f;
  --text-secondary: #75675d;
  --border-color: rgba(118, 99, 84, 0.14);
  --accent-soft: rgba(106, 191, 141, 0.16);
  --accent-border: rgba(106, 191, 141, 0.28);
  --overlay-color: rgba(255, 248, 240, 0.7);
  --on-accent: #fffdf8;
  --shadow: 0 22px 60px rgba(155, 123, 90, 0.14);
  --shadow-modal: 0 35px 90px rgba(101, 72, 39, 0.18);
}

[data-theme="dark"] {
  --accent-color: #9fddb5;
  --primary-color: #9fddb5;
  --secondary-color: #f6c58d;
  --success-color: #9fddb5;
  --danger-color: #ff9e8c;
  --warning-color: #ffd48f;
  --bg-color: #13100f;
  --surface-color: rgba(34, 28, 26, 0.92);
  --panel-color: #1d1817;
  --control-color: #2a2321;
  --text-color: #f8eee4;
  --text-secondary: #d8c6b6;
  --border-color: rgba(255, 239, 223, 0.14);
  --accent-soft: rgba(159, 221, 181, 0.14);
  --accent-border: rgba(159, 221, 181, 0.28);
  --overlay-color: rgba(15, 12, 11, 0.8);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.42);
  --shadow-modal: 0 35px 90px rgba(0, 0, 0, 0.5);
}

body {
  font-family: "DM Sans", "Segoe UI", "sans-serif";
  background: var(--bg-color);
  color: var(--text-color);
}

[data-theme="light"] body {
  background:
    radial-gradient(circle at top left,
      rgba(255, 219, 174, 0.44),
      transparent 30%),
    radial-gradient(circle at top right,
      rgba(192, 245, 224, 0.46),
      transparent 24%),
    linear-gradient(180deg, #fffdf8 0%, #f8f5ee 45%, #f5efe5 100%);
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at top left,
      rgba(242, 166, 90, 0.12),
      transparent 28%),
    radial-gradient(circle at top right,
      rgba(159, 221, 181, 0.1),
      transparent 24%),
    linear-gradient(180deg, #161211 0%, #0f0c0b 100%) !important;
}

.cursor-glow {
  position: fixed;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background: radial-gradient(circle,
      rgba(255, 197, 115, 0.28) 0%,
      rgba(121, 221, 183, 0.12) 42%,
      transparent 72%);
  transform: translate3d(-50%, -50%, 0);
  transition: opacity 0.25s ease;
}

.navbar {
  padding: 1rem 12px;
  background: transparent;
  border-bottom: 0;
}

.nav-island,
.nav-wrapper {
  max-width: 1240px;
  margin: 0 auto;
  background: rgba(255, 252, 245, 0.72);
  border: 1px solid rgba(128, 104, 85, 0.12);
  border-radius: 999px;
  padding: 0.9rem 1.15rem;
  box-shadow: 0 18px 44px rgba(146, 111, 74, 0.14);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

[data-theme="dark"] .nav-island,
[data-theme="dark"] .nav-wrapper {
  background: rgba(29, 24, 23, 0.88);
  border-color: rgba(255, 243, 224, 0.14);
}

.navbar.scrolled .nav-wrapper {
  transform: translateY(-2px);
  box-shadow: 0 20px 56px rgba(146, 111, 74, 0.18);
}

.logo-tagline {
  background: rgba(255, 255, 255, 0.7);
  color: #6b5c50;
  border: 1px solid rgba(128, 104, 85, 0.08);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

[data-theme="dark"] .logo-tagline {
  background: rgba(255, 255, 255, 0.06);
  color: #f0dfd1;
}

.search-box {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(128, 104, 85, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  height: 54px;
  max-width: 460px;
}

.search-box i,
.search-box input,
[data-theme="light"] .search-box i,
[data-theme="light"] .search-box input {
  color: var(--text-color);
}

.search-box input::placeholder {
  color: var(--text-secondary);
}

[data-theme="dark"] .search-box {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 239, 223, 0.12);
}

[data-theme="dark"] .search-box i,
[data-theme="dark"] .search-box input {
  color: var(--text-color);
}

[data-theme="dark"] .search-box input::placeholder {
  color: var(--text-secondary);
}

.theme-toggle,
.sound-toggle {
  background: linear-gradient(135deg, #fff7ec, #f6dcc5);
  color: #58463c;
  border: 1px solid rgba(128, 104, 85, 0.1);
  box-shadow: 0 10px 20px rgba(180, 145, 100, 0.12);
}

[data-theme="dark"] .theme-toggle,
[data-theme="dark"] .sound-toggle {
  background: linear-gradient(135deg, #443530, #2f2622);
  color: #fff5eb;
}

.hero-section {
  min-height: 100vh;
  padding: 5rem 24px 80px;
  background: transparent;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

#boardCanvas {
  opacity: 0.17;
  mix-blend-mode: multiply;
}

[data-theme="dark"] #boardCanvas {
  opacity: 0.11;
  mix-blend-mode: screen;
}

[data-theme="dark"] .hero-background {
  background:
    radial-gradient(circle at 20% 30%,
      rgba(242, 166, 90, 0.08),
      transparent 40%),
    radial-gradient(circle at 85% 15%,
      rgba(106, 191, 141, 0.1),
      transparent 35%),
    radial-gradient(circle at 50% 80%,
      rgba(125, 220, 185, 0.06),
      transparent 40%),
    linear-gradient(180deg, #13100f 0%, #181312 45%, #0f0c0b 100%) !important;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: 0.55;
  pointer-events: none;
}

.hero-orb-one {
  width: 240px;
  height: 240px;
  left: -40px;
  top: 60px;
  background: radial-gradient(circle,
      rgba(252, 193, 118, 0.52),
      transparent 70%);
  animation: float 9s ease-in-out infinite;
}

.hero-orb-two {
  width: 280px;
  height: 280px;
  right: -30px;
  top: 100px;
  background: radial-gradient(circle,
      rgba(158, 233, 205, 0.52),
      transparent 72%);
  animation: float 11s ease-in-out infinite reverse;
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1rem;
}

/* ── Hero Timeline (right side) ───────────────────────────── */
.hero-timeline {
  position: absolute;
  right: calc(50% - 562px);
  top: 0.5rem;
  width: 160px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0 0 0 16px;
  --spine-progress: 0;
}

.timeline-spine {
  position: absolute;
  left: 19px;
  top: 12px;
  bottom: 4px;
  width: 4px;
  background: rgba(138, 110, 76, 0.12);
  border-radius: 2px;
  pointer-events: none;
}

.timeline-spine::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 100%;
  height: calc(var(--spine-progress) * 1%);
  background: #8a6e4c;
  border-radius: 2px;
  transition: height 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="dark"] .timeline-spine {
  background: rgba(138, 110, 76, 0.12);
}

[data-theme="dark"] .timeline-spine::after {
  background: #8a6e4c;
}

.timeline-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0;
  opacity: 0;
  transform: translateX(-8px);
  transition:
    opacity 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.timeline-node:nth-child(2) {
  transition-delay: 0.04s;
}

.timeline-node:nth-child(3) {
  transition-delay: 0.08s;
}

.timeline-node:nth-child(4) {
  transition-delay: 0.12s;
}

.timeline-node:nth-child(5) {
  transition-delay: 0.16s;
}

.timeline-node:nth-child(6) {
  transition-delay: 0.2s;
}

.timeline-node:nth-child(7) {
  transition-delay: 0.24s;
}

.timeline-node:nth-child(8) {
  transition-delay: 0.28s;
}

.timeline-node:nth-child(9) {
  transition-delay: 0.32s;
}

.timeline-node.revealed {
  opacity: 1;
  transform: translateX(0);
}

.timeline-dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #6abf8d;
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px rgba(106, 191, 141, 0.25);
  z-index: 1;
  transition:
    box-shadow 0.3s ease,
    transform 0.3s ease;
  position: relative;
}

.timeline-node.revealed .timeline-dot {
  box-shadow:
    0 0 0 4px rgba(106, 191, 141, 0.15),
    0 0 10px rgba(106, 191, 141, 0.25);
  transform: scale(1.1);
}

[data-theme="dark"] .timeline-dot {
  border-color: #1e1a18;
  box-shadow: 0 0 0 2px rgba(159, 221, 181, 0.3);
}

[data-theme="dark"] .timeline-node.revealed .timeline-dot {
  box-shadow:
    0 0 0 4px rgba(159, 221, 181, 0.2),
    0 0 10px rgba(159, 221, 181, 0.2);
}

.timeline-node::before {
  content: "";
  flex-shrink: 0;
  width: 14px;
  height: 3px;
  background: #8a6e4c;
  border-radius: 2px;
  order: 2;
}

.timeline-dot {
  order: 1;
}

.timeline-card {
  order: 3;
}

[data-theme="dark"] .timeline-node::before {
  background: #8a6e4c;
}

.timeline-card {
  flex: 1;
  min-width: 0;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(128, 104, 85, 0.08);
  border-radius: 12px;
  padding: 0.3rem 0.55rem;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.timeline-node.revealed .timeline-card {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(106, 191, 141, 0.18);
  box-shadow: 0 4px 14px rgba(146, 111, 74, 0.06);
}

[data-theme="dark"] .timeline-card {
  background: rgba(35, 29, 27, 0.75);
  border-color: rgba(255, 243, 224, 0.08);
  backdrop-filter: blur(12px);
}

[data-theme="dark"] .timeline-node.revealed .timeline-card {
  background: rgba(40, 34, 32, 0.85);
  border-color: rgba(159, 221, 181, 0.2);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.timeline-step {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #6abf8d;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.05rem;
}

[data-theme="dark"] .timeline-step {
  color: #7fcfbd;
}

.timeline-title {
  font-family: "Fredoka", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-color);
  margin: 0 0 0.05rem;
  text-transform: lowercase;
  letter-spacing: -0.01em;
}

.timeline-desc {
  font-size: 0.64rem;
  line-height: 1.35;
  color: var(--text-secondary);
  margin: 0;
}

.hero-content,
.hero-sidekick-card,
.achievement-card,
.featured-lab-card,
.project-card,
.playground-section,
.footer,
.modal-content {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.hero-content {
  flex: none;
  width: 100%;
  max-width: 760px;
  align-items: center;
  text-align: center;
  padding: 2.25rem 2.5rem 2.5rem;
  border-radius: 34px;
  background: linear-gradient(180deg,
      rgba(255, 255, 255, 0.85),
      rgba(255, 249, 239, 0.7));
  border: 1px solid rgba(128, 104, 85, 0.12);
  box-shadow:
    0 2px 0 rgba(128, 104, 85, 0.06),
    0 8px 24px rgba(146, 111, 74, 0.08),
    0 24px 48px rgba(146, 111, 74, 0.06);
  position: relative;
}

.hero-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, #6abf8d, #f2c26c, #f09b6b);
  opacity: 0.7;
}

[data-theme="dark"] .hero-content {
  background: linear-gradient(180deg,
      rgba(35, 29, 27, 0.95),
      rgba(23, 19, 18, 0.98));
  border-color: rgba(255, 243, 224, 0.1);
}

[data-theme="dark"] .hero-content::before {
  opacity: 0.4;
}

.hero-kicker,
.section-kicker,
.mini-label,
.achievement-label,
.lab-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8c7055;
}

[data-theme="dark"] .hero-kicker,
[data-theme="dark"] .section-kicker,
[data-theme="dark"] .mini-label,
[data-theme="dark"] .achievement-label,
[data-theme="dark"] .lab-tag {
  color: #e0b88f;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem 0.45rem 0.85rem;
  border-radius: 999px;
  background: linear-gradient(135deg,
      rgba(106, 191, 141, 0.12),
      rgba(242, 194, 108, 0.08));
  border: 1px solid rgba(128, 104, 85, 0.08);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #7a6045;
  box-shadow: 0 2px 8px rgba(146, 111, 74, 0.04);
}

.hero-kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #6abf8d;
  box-shadow: 0 0 8px rgba(106, 191, 141, 0.5);
  flex-shrink: 0;
}

[data-theme="dark"] .hero-kicker {
  background: linear-gradient(135deg,
      rgba(106, 191, 141, 0.18),
      rgba(242, 194, 108, 0.1));
  border-color: rgba(255, 243, 224, 0.1);
  color: #d4b48a;
}

[data-theme="dark"] .hero-kicker::before {
  background: #7fcfbd;
}

.hero-badge-row,
.projects-header-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.hero-features {
  justify-content: center;
}

.hero-pill,
.mini-badge,
.projects-count-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(128, 104, 85, 0.1);
  box-shadow: 0 10px 18px rgba(176, 137, 94, 0.09);
}

[data-theme="dark"] .hero-pill,
[data-theme="dark"] .mini-badge,
[data-theme="dark"] .projects-count-badge {
  background: rgba(255, 255, 255, 0.08);
}

.hero-title-wrapper {
  margin-bottom: 2rem;
}

.hero-title {
  font-family: "Fredoka", "Segoe UI", sans-serif;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
  margin-top: 0;
}

.hero-title span {
  display: block;
}

.hero-title-line+.hero-title-line {
  margin-top: 0.18em;
}

.hero-title-accent {
  font-style: italic;
  color: #b87745;
  max-width: none;
  background: linear-gradient(135deg, #b87745, #d49a6a, #b87745);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  height: 105px;
}

[data-theme="dark"] .hero-title-accent {
  background: linear-gradient(135deg, #f0bb83, #f5d4a8, #f0bb83);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.08rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 56ch;
  margin: 0.75rem auto 0;
  letter-spacing: 0.01em;
}

.hero-cta-row {
  margin-top: 37px;
}

.hero-typing {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 1.25rem;
  padding: 0.75rem 1.25rem;
  border-radius: 14px;
  background: rgba(44, 36, 31, 0.05);
  border: 1px solid rgba(128, 104, 85, 0.06);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .hero-typing {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 243, 224, 0.08);
  box-shadow: none;
}

.typing-label,
.typing-text {
  font-family: "IBM Plex Mono", monospace;
}

.typing-text {
  position: relative;
  color: #9a643b;
  font-weight: 600;
}

[data-theme="dark"] .typing-text {
  color: #f0bb83;
}

.typing-text::after {
  content: "";
  display: inline-block;
  width: 1ch;
  height: 1em;
  margin-left: 2px;
  border-right: 2px solid currentColor;
  animation: blink 0.9s steps(1) infinite;
  vertical-align: -0.12em;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-meta {
  justify-content: center;
  gap: 0.8rem;
  margin: 1.25rem 0 0;
}

.hero-meta span {
  padding: 0.6rem 0.95rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(128, 104, 85, 0.08);
  font-size: 0.82rem;
  box-shadow: 0 2px 6px rgba(146, 111, 74, 0.04);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

[data-theme="dark"] .hero-meta span {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 239, 223, 0.1);
  box-shadow: none;
}

:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 4px;
}

button:focus-visible,
.tab:focus-visible,
.project-card:focus-visible,
.btn-play:focus-visible,
.btn-random-project:focus-visible,
.theme-toggle:focus-visible,
.modal-close:focus-visible,
.choice-btn:focus-visible,
.btn-reset:focus-visible,
.btn-roll:focus-visible,
.btn-flip:focus-visible,
.btn-generate:focus-visible,
.calc-btn:focus-visible,
.dropdown-item:focus-visible,
.recent-search-chip-label:focus-visible,
.recent-search-chip-remove:focus-visible,
.dropdown-recent-text:focus-visible,
.dropdown-recent-remove:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 4px;
}

/* Hero Section */
.hero {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.btn-explore,
.btn-secondary-hero,
.btn-random-project,
.lab-action,
.inline-link-button,
.btn-play {
  border-radius: 999px;
  font-family: "Fredoka", "Segoe UI", sans-serif;
  font-weight: 600;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease,
    color 0.22s ease;
}

.btn-explore,
.btn-random-project,
.lab-action {
  background: linear-gradient(135deg, #6abf8d, #7fcfbd);
  color: #fffdf8;
  box-shadow: 0 18px 28px rgba(106, 191, 141, 0.28);
}

.btn-explore {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  position: relative;
  top: 0;
  box-shadow:
    0 8px 0 rgba(0, 0, 0, 0.08),
    0 16px 32px rgba(106, 191, 141, 0.3);
}

.btn-explore:hover {
  transform: translateY(-5px);
  box-shadow:
    0 13px 0 rgba(0, 0, 0, 0.06),
    0 22px 40px rgba(106, 191, 141, 0.35);
}

.btn-explore:active {
  transform: translateY(3px);
  box-shadow:
    0 4px 0 rgba(0, 0, 0, 0.08),
    0 8px 16px rgba(106, 191, 141, 0.2);
}

.btn-random-project {
  padding: 0.9rem 2rem;
  font-size: 1rem;
  min-width: 220px;
  letter-spacing: 0.01em;
  box-shadow:
    0 12px 0 rgba(0, 0, 0, 0.06),
    0 16px 32px rgba(34, 197, 94, 0.3);
  background: linear-gradient(135deg, #22c55e, #14b8a6);
  color: #ffffff;
  position: relative;
  top: 0;
  margin-top: 0.75rem;
}

.btn-random-project:hover {
  transform: translateY(-4px);
  box-shadow:
    0 16px 0 rgba(0, 0, 0, 0.05),
    0 24px 40px rgba(34, 197, 94, 0.35);
}

.btn-random-project:active {
  transform: translateY(4px);
  box-shadow:
    0 4px 0 rgba(0, 0, 0, 0.06),
    0 8px 16px rgba(34, 197, 94, 0.2);
}

.btn-secondary-hero,
.inline-link-button,
.btn-play {
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-color);
  border: 1px solid rgba(128, 104, 85, 0.1);
}

[data-theme="dark"] .btn-secondary-hero,
[data-theme="dark"] .inline-link-button,
[data-theme="dark"] .btn-play {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
  border-color: rgba(255, 239, 223, 0.12);
}

.btn-secondary-hero {
  padding: 1rem 1.75rem;
  position: relative;
  top: 0;
  box-shadow:
    0 6px 0 rgba(128, 104, 85, 0.12),
    0 8px 20px rgba(0, 0, 0, 0.06);
  transition:
    transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.btn-secondary-hero:hover {
  transform: translateY(-4px);
  box-shadow:
    0 10px 0 rgba(128, 104, 85, 0.08),
    0 14px 28px rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.95);
  color: #0c0f1a;
}

.btn-secondary-hero:active {
  transform: translateY(4px);
  box-shadow:
    0 2px 0 rgba(128, 104, 85, 0.08),
    0 4px 8px rgba(0, 0, 0, 0.04);
  top: 2px;
}

.hero-features{
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(128, 104, 85, 0.08);
  border-radius: 24px;
  padding: 0.65rem;
  gap: 0.55rem;
}

[data-theme="dark"] .hero-features{
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 239, 223, 0.1);
}

.feature-badge{
  border-radius: 999px;
  padding: 0.8rem 1rem;
  text-transform: none;
  font-family: "Fredoka", "Segoe UI", sans-serif;
  background: transparent;
}

.feature-icon {
  display: inline-flex;
}

.feature-badge::before,
.feature-badge::after {
  display: none;
}

.feature-badge.active{
  background: linear-gradient(135deg,
      rgba(255, 198, 132, 0.32),
      rgba(125, 220, 185, 0.3));
  color: var(--text-color);
  border: 1px solid rgba(128, 104, 85, 0.1);
}

[data-theme="dark"] .feature-badge{
  color: var(--text-secondary);
}

[data-theme="dark"] .feature-badge.active {
  border-color: rgba(255, 239, 223, 0.12);
}


.hero-card-topline,
.progress-card-header,
.progress-caption,
.featured-lab-header,
.section-heading,
.projects-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.progress-card {
  padding: 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(128, 104, 85, 0.08);
}

.dropdown-item,
.dropdown-recent-text,
.dropdown-recent-remove {
  border: none;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
}

.dropdown-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.9rem 1rem;
  gap: 0.75rem;
  border-radius: 14px;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item.selected,
.dropdown-recent-text:hover {
  background: rgba(99, 102, 241, 0.12);
}

.dropdown-item-icon {
  min-width: 2.4rem;
  min-height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
}

.dropdown-item-text {
  flex: 1;
  color: var(--text-color);
}

.dropdown-item-tag {
  font-size: 0.85rem;
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

.dropdown-recent-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.dropdown-recent-text {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  color: var(--text-secondary);
  transition: background 0.2s ease;
}

.dropdown-recent-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 12px;
  color: var(--text-secondary);
}

.dropdown-recent-remove:hover {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger-color);
}

/* Projects Section */
[data-theme="dark"] .progress-card {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 239, 223, 0.1);
}

.progress-track {
  overflow: hidden;
  height: 12px;
  border-radius: 999px;
  background: rgba(106, 191, 141, 0.14);
  margin: 0.85rem 0 0.75rem;
}

.progress-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #6abf8d, #f2c26c);
}

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.reward-mint,
.lab-card-mint {
  background: linear-gradient(160deg,
      rgba(203, 247, 224, 0.9),
      rgba(255, 251, 241, 0.9));
}

.reward-lavender {
  background: linear-gradient(160deg,
      rgba(236, 226, 255, 0.9),
      rgba(255, 251, 241, 0.9));
}

.lab-card-orange {
  background: linear-gradient(160deg,
      rgba(255, 225, 191, 0.92),
      rgba(255, 252, 244, 0.94));
}

.lab-card-cyan {
  background: linear-gradient(160deg,
      rgba(208, 245, 246, 0.92),
      rgba(255, 252, 244, 0.94));
}

.achievement-strip,
.projects-section,
.recently-viewed-container {
  padding: 1.2rem 0 2.5rem;
}

.achievement-grid {
  grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
}

.achievement-card {
  padding: 1.35rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(128, 104, 85, 0.1);
  box-shadow: var(--shadow);
}

[data-theme="dark"] .achievement-card {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 239, 223, 0.1);
}

.achievement-card-gold {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  background: linear-gradient(145deg,
      rgba(255, 240, 210, 0.92),
      rgba(255, 252, 245, 0.94));
}

.achievement-icon,
.achievement-stat {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #ffd497, #ffefc9);
  color: #8f5f26;
  font-size: 1.35rem;
  font-family: "Fredoka", sans-serif;
}

.achievement-stat {
  width: auto;
  height: auto;
  border-radius: 18px;
  padding: 0.45rem 0.8rem;
  font-size: 2rem;
}

.section-heading,
.projects-header {
  align-items: end;
  margin-bottom: 1.3rem;
}

.section-heading h2,
.projects-header h2 {
  font-family: "Fredoka", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
  margin-top: 0.4rem;
}

.projects-grid {
  gap: 1.5rem;
}

.project-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  border-radius: 24px;
  background: var(--surface-color);
  border: 2px solid var(--accent-border);
  box-shadow: var(--shadow);
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.footer-social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.08);
  color: var(--accent-color);
  font-size: 1.2rem;
  transition: var(--transition);
  border: 1px solid rgba(34, 197, 94, 0.15);
  text-decoration: none;
  transition: all 0.35s ease;
}

.footer-social-icons a:hover {
  background: var(--accent-color);
  color: var(--on-accent);
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(34, 197, 94, 0.3);
  transform: translateY(-5px) scale(1.08);
}

  .project-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.15);
  }

  [data-theme="light"] .project-card {
    background: #ffffff;
    border-color: rgba(106, 191, 141, 0.4);
  }

.footer-social-icons .github:hover i {
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
}

.footer-social-icons .github:hover {
  background: #a09999;
  color: #181717;

  box-shadow:
    0 0 8px rgba(255, 255, 255, 0.35),
    0 0 18px rgba(255, 255, 255, 0.22),
    0 0 32px rgba(255, 255, 255, 0.12);

  transform: translateY(-5px) scale(1.08);
}

.footer-social-icons .twitter:hover {
  background: #000000;
  color: white;
  box-shadow:
    0 0 10px rgba(255, 255, 255, 0.4),
    0 0 25px rgba(255, 255, 255, 0.2),
    0 0 45px rgba(255, 255, 255, 0.1);
}

.footer-social-icons .linkedin:hover {
  background: #0A66C2;
  color: white;
  box-shadow:
    0 0 10px rgba(10, 102, 194, 0.8),
    0 0 25px rgba(10, 102, 194, 0.5),
    0 0 45px rgba(10, 102, 194, 0.25);
}

.footer-social-icons .instagram:hover {
  background: linear-gradient(135deg,
      #f58529,
      #dd2a7b,
      #8134af,
      #515bd4);
  color: white;

  box-shadow:
    0 0 12px rgba(221, 42, 123, 0.8),
    0 0 30px rgba(129, 52, 175, 0.5),
    0 0 55px rgba(81, 91, 212, 0.25);
}

.footer-links h3,
.footer-newsletter h3 {
  font-size: 1.2rem;
  color: var(--text-color);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
}

[data-theme="dark"] .project-card {
  background: #1e1a18;
  border-color: rgba(159, 221, 181, 0.3);
}

.card-banner {
  width: calc(100% + 3rem);
  max-width: none;
  margin: -1.5rem -1.5rem 0.85rem;
  height: 140px;
  object-fit: cover;
  display: block;
  border-radius: 24px 24px 0 0;
  flex-shrink: 0;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  width: 100%;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  position: relative;

}

.footer-links a::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background: radial-gradient(circle,
      rgba(255, 197, 115, 0.28) 0%,
      rgba(121, 221, 183, 0.12) 42%,
      transparent 72%);
  transform: translate3d(-50%, -50%, 0);
  transition: opacity 0.25s ease;
}

/* Responsive safety constraints for game columns */
.project-content,
.game-container,
.calculator,
.dots-game-container,
.game2048-container {
  max-width: 100% !important;
  overflow-x: hidden !important;
}

/* Modal Header*/
.modal-header {
  display: flex;
  justify-content: flex-end;
  padding: 16px 20px 0;
}

/* Info Button */
.modal-info {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--border-accent);
  color: var(--accent);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-info:hover {
  background: var(--accent);
  color: white;
  transform: scale(1.05);
}

/* Close Button */
.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.3);
}

/* Info Modal Popup */
.info-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2002;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: all 0.2s ease;
}

.info-modal-overlay.active {
  visibility: visible;
  opacity: 1;
}

.info-modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  transform: scale(0.9);
  transition: transform 0.2s ease;
}

.info-modal-overlay.active .info-modal-content {
  transform: scale(1);
}

.info-modal-close {
  float: right;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
}

.info-modal-content h3 {
  margin-top: 0;
  margin-bottom: 20px;
}

.info-modal-content ul {
  text-align: left;
  margin: 20px 0;
  padding-left: 20px;
}

.info-modal-content li {
  margin: 10px 0;
  color: var(--text-secondary);
  line-height: 1.5;
}

.info-modal-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 24px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: bold;
  margin-top: 10px;
}

.inline-info-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--accent);
  margin-left: 10px;
  transition: transform 0.2s ease;
}

.inline-info-btn:hover {
  transform: scale(1.1);
}

/* Progress container */
#scrollProgressContainer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  /* slightly thicker */
  background: transparent;
  /* no heavy track */
  z-index: 9999;
}

/* Progress bar */
#scrollProgressBar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg,
      #8b5a2b,
      #a66a3a,
      #6b3f1d);
  /* warm brown gradient */

  border-radius: 0 6px 6px 0;
  box-shadow: 0 0 6px rgba(139, 90, 43, 0.35);
  /* soft glow */

  transition: width 0.08s linear;
}

/* Sidebar Layout - Clean version */
.sidebar-dock {
  position: fixed;
  top: 16px;
  left: 16px;
  bottom: 16px;
  width: 280px;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 24px;
  z-index: 1000;
  transform: translateX(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

body.sidebar-active .sidebar-dock {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

/* ===== SIDEBAR COLLAPSED STATE (when arrow is clicked) ===== */
body.sidebar-collapsed .sidebar-dock {
  width: 80px !important;
  padding: 24px 12px !important;
}

body.sidebar-collapsed .sidebar-dock .sidebar-brand span,
body.sidebar-collapsed .sidebar-dock .sidebar-menu-title,
body.sidebar-collapsed .sidebar-dock .sidebar-label,
body.sidebar-collapsed .sidebar-dock .sidebar-tab .sidebar-label {
  display: none !important;
}

body.sidebar-collapsed .sidebar-dock .sidebar-tab {
  justify-content: center !important;
  padding: 10px !important;
}

body.sidebar-collapsed .sidebar-dock .sidebar-icon {
  margin: 0 !important;
  width: 24px !important;
  height: 24px !important;
}

body.sidebar-collapsed .sidebar-dock .sidebar-tab::before {
  display: none !important;
}

body.sidebar-collapsed .sidebar-dock .sidebar-search {
  display: none !important;
}

body.sidebar-collapsed .sidebar-dock .sidebar-footer span {
  display: none !important;
}

body.sidebar-collapsed .sidebar-dock .sidebar-footer button {
  justify-content: center !important;
  padding-top: 8px;
  padding-bottom: 8px;
}

body.sidebar-collapsed .sidebar-dock .sidebar-footer .sidebar-main-controls {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* Main content shift for expanded sidebar */


/* Container full width */
#main-content .container,
.projects-section .container {
  max-width: 100% !important;
  width: 100% !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
  margin: 0 auto !important;
}

.recently-viewed-section .container,
.recently-opened-section .section-header{
  max-width: 100% !important;
  width: 100% !important;
  padding-left: 24px !important;
  padding-right: 24px !important;
  margin: 0 auto !important;
}


/* Projects grid - FILL THE SPACE */
.projects-grid {
  display: grid !important;
  width: 100% !important;
  gap: 24px !important;
  margin: 0 !important;
  padding: 0 !important;
}

.hamburger{
  display: none;
}

/* Force 3 equal columns on desktop (when sidebar is expanded OR collapsed) */
@media (min-width: 1100px) {

  body.sidebar-active .projects-grid,
  body.sidebar-collapsed .projects-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}

/* 2 columns on medium screens */
@media (max-width: 1099px) and (min-width: 768px) {

  body.sidebar-active .projects-grid,
  body.sidebar-collapsed .projects-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

/* 1 column on mobile */
@media (max-width: 767px) {

  body.sidebar-active .projects-grid,
  body.sidebar-collapsed .projects-grid {
    grid-template-columns: 1fr !important;
  }

  body.sidebar-active #main-content,
  body.sidebar-collapsed #main-content {
    margin-left: 0 !important;
    width: 100% !important;
  }

}


/* Make cards take full width of their grid cell */
.project-card {
  width: 100% !important;
  min-width: 0 !important;
  max-width: 100% !important;
}

/*
 * Desktop sidebar-aware layout keeps the projects section shifted past the
 * fixed sidebar dock (see the @media (min-width: 768px) block above for
 * padding-left values). The rules below intentionally only apply on mobile,
 * where the sidebar slides in as a drawer and must not push the main column.
 */
@media (max-width: 767px) {
  .projects-section {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  body.sidebar-active .projects-section,
  body.sidebar-collapsed .projects-section {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
}

/* Smooth main-content shift when the sidebar opens, closes, or collapses on
 * desktop. The padding-left values themselves are defined above inside the
 * 768px media query. */
@media (min-width: 768px) {

  .projects-section,
  .recently-viewed-container,
  .hero-section,
  .playground-section,
  .footer {
    transition: padding-left 280ms cubic-bezier(0.16, 1, 0.3, 1);
  }
}

.sidebar-mobile-close {
  display: none;
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: var(--bg-glass);
  color: var(--text-primary);
  font-size: 16px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1001;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

@media (max-width: 768px) {
  .sidebar-mobile-close {
    display: flex;
  }

  body.sidebar-active .sidebar-backdrop {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }
}

/* ═══════════════════════════════════════════════════════════════
   COPY BUTTON COMPONENT — Issue #1215
   Copy-to-Clipboard for Code Snippets
   ═══════════════════════════════════════════════════════════════ */

/**
 * Code Block Wrapper
 * Creates relative positioning context for absolute button placement
 */
.code-block-wrapper {
  position: relative !important;
  display: block;
}

/**
 * Copy Button
 * Reusable, accessible button for copying code to clipboard
 *
 * Features:
 * • Positioned absolutely over code block (top-right)
 * • Keyboard accessible (Tab, Enter, Space)
 * • Screen reader friendly (aria-label)
 * • Mobile & desktop optimized
 * • Theme aware (dark/light mode)
 * • Visual feedback states (default, hover, active, success, error)
 */
.copy-button {
  /* Layout & Positioning */
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;

  /* Dimensions */
  min-width: 60px;
  padding: 6px 12px;
  height: 32px;

  /* Typography */
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;

  /* Appearance */
  border: 1px solid var(--border-accent);
  border-radius: 8px;
  background: rgba(34, 197, 94, 0.08);
  color: var(--accent);

  /* Interaction */
  cursor: pointer;
  transition:
    all var(--duration-fast) ease,
    box-shadow 150ms ease;

  /* Reset default button styles */
  margin: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);

  /* Accessibility */
  outline: 2px solid transparent;
  outline-offset: 2px;

  /* Prevent selection during copy action */
  -webkit-user-select: none;
  user-select: none;
}

/**
 * Copy Button — Hover State
 * Elevated appearance with enhanced visibility
 */
.copy-button:hover {
  background: rgba(34, 197, 94, 0.15);
  border-color: var(--accent);
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.2);
  transform: translateY(-1px);
}

/**
 * Copy Button — Focus State
 * High contrast focus ring for keyboard navigation
 * Critical for accessibility (WCAG AA compliant)
 */
.copy-button:focus {
  outline-color: var(--accent);
  outline-width: 2px;
}

.copy-button:focus-visible {
  outline-color: var(--accent);
  outline-width: 2px;
  outline-offset: 2px;
}

/**
 * Copy Button — Active State
 * Pressed down appearance when clicked
 */
.copy-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/**
 * Copy Button — Success State (After Copy)
 * "Copied!" text with success color and brief animation
 */
.copy-button.copy-success {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--success);
  color: var(--success);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
  animation: copy-pulse 400ms ease-out;
}

/**
 * Copy Button — Error State (Copy Failed)
 * Brief error feedback if clipboard access fails
 */
.copy-button.copy-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--danger);
  color: var(--danger);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.15);
}

/**
 * Pulse Animation
 * Gentle scale-up feedback when copy succeeds
 * Helps draw user attention without being jarring
 */
@keyframes copy-pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

/**
 * Light Mode Adjustments
 * Ensures button is visible and accessible in light theme
 */
[data-theme="light"] .copy-button {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.4);
  color: #059669;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .copy-button:hover {
  background: rgba(34, 197, 94, 0.15);
  border-color: #059669;
  box-shadow: 0 4px 12px rgba(34, 197, 94, 0.15);
}

[data-theme="light"] .copy-button.copy-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: #0d9488;
  color: #0d9488;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}

[data-theme="light"] .copy-button.copy-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: #dc2626;
  color: #dc2626;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.1);
}

/**
 * Mobile Optimizations
 * Larger touch target for mobile devices
 * Prevents accidental clicks
 */
@media (max-width: 768px) {
  .copy-button {
    min-width: 50px;
    padding: 8px 12px;
    height: 36px;
    font-size: 0.7rem;
    top: 6px;
    right: 6px;
  }

  /* Ensure adequate space around button for touch */
  .copy-button::before {
    content: "";
    position: absolute;
    inset: -8px;
    pointer-events: none;
  }
}

/**
 * High Contrast Mode Support
 * For users with vision impairments
 * Uses forced colors to ensure readability
 */
@media (prefers-contrast: more) {
  .copy-button {
    border-width: 2px;
    font-weight: 700;
  }

  .copy-button:focus,
  .copy-button:focus-visible {
    outline-width: 3px;
    outline-offset: 3px;
  }
}

/**
 * Reduced Motion Support
 * Respects user's motion preferences
 * Disables animations for users with vestibular disorders
 */
@media (prefers-reduced-motion: reduce) {

  .copy-button,
  .copy-button:hover,
  .copy-button:active,
  .copy-button.copy-success,
  .copy-button.copy-error {
    transition: none;
    animation: none;
    transform: none !important;
  }

  @keyframes copy-pulse {

    0%,
    100% {
      transform: none;
    }

    50% {
      transform: none;
    }
  }
}

/* ═══════════════════════════════════════════════════════════════
   PLAYGROUND COPY BUTTON STATES — Issue #1215
   Visual feedback for editor code copy button
   ═══════════════════════════════════════════════════════════════ */

/**
 * Copy Button in Playground
 * Shows success/error feedback with color changes and icon updates
 */
.btn-panel-action.copy-success {
  background: rgba(16, 185, 129, 0.12);
  border-color: var(--success);
  color: var(--success);
  animation: copy-pulse 400ms ease-out;
}

.btn-panel-action.copy-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: var(--danger);
  color: var(--danger);
}


/* ============================================
   FIX: Coordinate to Polar Convert Button - GREEN GLOW
   ============================================ */
.coord-actions .btn-primary#convertCoordinateBtn {
  background: linear-gradient(135deg, #22c55e, #16a34a) !important;
  color: #ffffff !important;
  border: none !important;
  padding: 16px 44px !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.35), 0 4px 20px rgba(34, 197, 94, 0.25) !important;
  min-width: 180px !important;
  height: auto !important;
  line-height: 1.5 !important;
  letter-spacing: 0.5px !important;
  text-transform: none !important;
  font-family: 'Space Grotesk', system-ui, sans-serif !important;
}

.coord-actions .btn-primary#convertCoordinateBtn:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 0 50px rgba(34, 197, 94, 0.5), 0 8px 35px rgba(34, 197, 94, 0.4) !important;
  background: linear-gradient(135deg, #4ade80, #22c55e) !important;
  color: #ffffff !important;
}

.coord-actions .btn-primary#convertCoordinateBtn:active {
  transform: scale(0.95) !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.2), 0 2px 10px rgba(34, 197, 94, 0.15) !important;
}

/* ============================================
   FIX: AP/GP/AGP/HP Recognizer - Recognize Button - GREEN GLOW
   ============================================ */
#recognizeProgressionBtn {
  background: linear-gradient(135deg, #22c55e, #16a34a) !important;
  color: #ffffff !important;
  border: none !important;
  padding: 16px 48px !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 0 30px rgba(34, 197, 94, 0.35), 0 4px 20px rgba(34, 197, 94, 0.25) !important;
  min-width: 200px !important;
  letter-spacing: 0.5px !important;
  font-family: 'Space Grotesk', system-ui, sans-serif !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  line-height: 1.5 !important;
}

#recognizeProgressionBtn:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 0 50px rgba(34, 197, 94, 0.5), 0 8px 35px rgba(34, 197, 94, 0.4) !important;
  background: linear-gradient(135deg, #4ade80, #22c55e) !important;
  color: #ffffff !important;
}

#recognizeProgressionBtn:active {
  transform: scale(0.95) !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.2), 0 2px 10px rgba(34, 197, 94, 0.15) !important;
}

/* ============================================
   FIX: Complete Calculus Engine - All Buttons - GREEN GLOW (Smaller)
   ============================================ */
#calcFirstDerivativeBtn,
#calcNthDerivativeBtn,
#evalDerivativeBtn,
#calcIndefiniteIntegralBtn,
#calcDefiniteIntegralBtn {
  background: linear-gradient(135deg, #22c55e, #16a34a) !important;
  color: #ffffff !important;
  border: none !important;
  padding: 10px 22px !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  font-size: 0.9rem !important;
  font-weight: 600 !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.3), 0 4px 12px rgba(34, 197, 94, 0.2) !important;
  min-width: 120px !important;
  letter-spacing: 0.3px !important;
  font-family: 'Space Grotesk', system-ui, sans-serif !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  line-height: 1.5 !important;
}

#calcFirstDerivativeBtn:hover,
#calcNthDerivativeBtn:hover,
#evalDerivativeBtn:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.5), 0 8px 25px rgba(34, 197, 94, 0.4) !important;
  background: linear-gradient(135deg, #4ade80, #22c55e) !important;
  color: #ffffff !important;
}

#calcFirstDerivativeBtn:active,
#calcNthDerivativeBtn:active,
#evalDerivativeBtn:active {
  transform: scale(0.95) !important;
  box-shadow: 0 0 15px rgba(34, 197, 94, 0.2), 0 2px 10px rgba(34, 197, 94, 0.15) !important;
}

/* ============================================
   FIX: Fibonacci Series - Generate Button - GREEN GLOW (Smaller)
   ============================================ */
#generateFib {
  background: linear-gradient(135deg, #22c55e, #16a34a) !important;
  color: #ffffff !important;
  border: none !important;
  padding: 10px 28px !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  font-size: 0.9rem !important;
  font-weight: 600 !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.3), 0 4px 12px rgba(34, 197, 94, 0.2) !important;
  min-width: 120px !important;
  letter-spacing: 0.3px !important;
  font-family: 'Space Grotesk', system-ui, sans-serif !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  line-height: 1.5 !important;
}

#generateFib:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.5), 0 8px 25px rgba(34, 197, 94, 0.4) !important;
  background: linear-gradient(135deg, #4ade80, #22c55e) !important;
  color: #ffffff !important;
}

#generateFib:active {
  transform: scale(0.95) !important;
  box-shadow: 0 0 15px rgba(34, 197, 94, 0.2), 0 2px 10px rgba(34, 197, 94, 0.15) !important;
}

/* ============================================
   FIX: Pascal's Triangle - Generate Button - GREEN GLOW
   ============================================ */
#generatePascal {
  background: linear-gradient(135deg, #22c55e, #16a34a) !important;
  color: #ffffff !important;
  border: none !important;
  padding: 12px 28px !important;
  border-radius: 50px !important;
  cursor: pointer !important;
  font-size: 0.9rem !important;
  font-weight: 600 !important;
  transition: all 0.3s ease !important;
  box-shadow: 0 0 20px rgba(34, 197, 94, 0.3), 0 4px 12px rgba(34, 197, 94, 0.2) !important;
  min-width: 120px !important;
  letter-spacing: 0.3px !important;
  font-family: 'Space Grotesk', system-ui, sans-serif !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px !important;
  line-height: 1.5 !important;
}

#generatePascal:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 0 35px rgba(34, 197, 94, 0.5), 0 8px 25px rgba(34, 197, 94, 0.4) !important;
  background: linear-gradient(135deg, #4ade80, #22c55e) !important;
  color: #ffffff !important;
}

#generatePascal:active {
  transform: scale(0.95) !important;
  box-shadow: 0 0 15px rgba(34, 197, 94, 0.2), 0 2px 10px rgba(34, 197, 94, 0.15) !important;
}

.info-modal-overlay.active {
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
}

@media (max-width: 900px) {

    .mobile-menu-toggle{
        display:flex !important;
        position: fixed;
        top: 16px;
        right: 16px;

        width:44px;
        height:44px;
          box-shadow: var(--shadow-sm);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

        align-items:center;
        justify-content:center;

        border-radius:12px;

        z-index:9999;
    }

    .mobile-menu-toggle i{
        font-size:22px;
        color:var(--text);
    }

}

/* ============================
   Bookmarked Projects Section
}
   .recent-searches-chips{

display:flex;

flex-wrap:wrap;

gap:12px;

margin-top:18px;

}

.search-chip{

display:flex;

align-items:center;

gap:10px;

padding:10px 18px;

border-radius:999px;

background:rgba(145,95,255,.22);

border:1px solid rgba(182,145,255,.45);

backdrop-filter:blur(12px);

cursor:pointer;

transition:.25s ease;

color:#fff;

}

.search-chip:hover{

transform:translateY(-2px);

background:rgba(162,110,255,.32);

}

.search-chip i{

opacity:.8;

}

.chip-remove-btn{

margin-left:6px;

background:none;

border:none;

cursor:pointer;

color:#ddd;

transition:.2s;

}

.chip-remove-btn:hover{

color:#ff6b81;

transform:scale(1.15);

}

.recent-searches-empty{

display:flex;

flex-direction:column;

align-items:center;

justify-content:center;

padding:45px 20px;

opacity:.8;

}

.empty-icon{

width:70px;

height:70px;

border-radius:50%;

display:flex;

align-items:center;

justify-content:center;

background:rgba(255,255,255,.08);

font-size:30px;

margin-bottom:18px;

}
/* --- Modern Search Chips (Matching Mockup) --- */
#recentSearchesList {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 0;
}

.search-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background-color: rgba(139, 92, 246, 0.15); /* Transparent Purple */
  border: 1px solid rgba(139, 92, 246, 0.4); /* Purple Border */
  border-radius: 24px; /* Pill shape */
  color: #e9d8fd; /* Light purple text */
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.search-chip:hover {
  background-color: rgba(139, 92, 246, 0.3);
  border-color: rgba(139, 92, 246, 0.6);
}

.search-chip i.fa-history {
  font-size: 0.8rem;
  opacity: 0.8;
}

.chip-remove-btn {
  background: transparent;
  border: none;
  color: #a78bfa;
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.chip-remove-btn:hover {
  color: #ffffff; /* Turns white when hovering over the X */
}

/* --- Empty State Styling (Magnifying Glass in Circle) --- */
.recent-searches-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0 20px;
  text-align: center;
  width: 100%;
}

.recent-searches-empty .empty-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: #94a3b8;
  font-size: 1.2rem;
}

.recent-searches-empty h4 {
  color: #f8fafc;
  margin: 0 0 6px 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.recent-searches-empty p {
  color: #94a3b8;
  margin: 0;
  font-size: 0.9rem;
=======
/* ============================================
   PROJECT STATISTICS DASHBOARD
   ============================================ */

.stats-dashboard-section {
  padding: 3rem 0 1.5rem 0;
  position: relative;
}

/* Dashboard Title - Styled like TRACK-ROUTE badge */
.stats-dashboard-section .section-header {
  margin-bottom: 2rem;
  text-align: center;
}

.stats-dashboard-section .section-heading {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.04em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  position: relative;
  margin: 0 auto;
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  padding-bottom: 8px;
}

.stats-dashboard-section .section-heading::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), #06b6d4, transparent);
  opacity: 0.8;
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width 0.3s ease;
}

.stats-dashboard-section .section-heading:hover::after {
  width: 100%;
}

.stats-dashboard-section .section-heading .heading-icon {
  font-size: 1.8rem;
  line-height: 1;
  -webkit-text-fill-color: initial;
  background: none;
}

.stats-dashboard-section .section-heading .heading-text {
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Stats Grid */
.stats-dashboard {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

/* Stats Cards */
.stats-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.2rem 0.8rem;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: default;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

/* Card hover effect */
.stats-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

/* Card glow on hover */
.stats-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent-color, #22c55e), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.stats-card:hover::before {
  opacity: 1;
}

/* Card numbers */
.stats-card h3 {
  font-family: var(--font-sans, 'Space Grotesk', sans-serif);
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(135deg, var(--accent-color, #22c55e), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* Card labels */
.stats-card p {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0.4rem 0 0 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Category-specific accent colors */
.stats-card[data-filter="games"] h3 {
  background: linear-gradient(135deg, #ec4899, #f43f5e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-card[data-filter="games"]::before {
  background: linear-gradient(90deg, transparent, #ec4899, transparent);
}

.stats-card[data-filter="math"] h3 {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-card[data-filter="math"]::before {
  background: linear-gradient(90deg, transparent, #6366f1, transparent);
}

.stats-card[data-filter="utilities"] h3 {
  background: linear-gradient(135deg, #10b981, #059669);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-card[data-filter="utilities"]::before {
  background: linear-gradient(90deg, transparent, #10b981, transparent);
}

.stats-card[data-filter="favorites"] h3 {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stats-card[data-filter="favorites"]::before {
  background: linear-gradient(90deg, transparent, #f59e0b, transparent);
}

/* Clickable stats cards */
.stats-card[data-filter] {
  cursor: pointer;
}

.stats-card[data-filter]:hover {
  border-color: var(--accent-color);
}

/* Responsive - Tablet */
@media (max-width: 768px) {
  .stats-dashboard {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
  }
  
  .stats-card {
    padding: 1rem 0.5rem;
  }
  
  .stats-card h3 {
    font-size: 1.5rem;
  }

  .stats-dashboard-section .section-heading {
    font-size: 1.25rem;
  }
}

/* Responsive - Mobile */
@media (max-width: 480px) {
  .stats-dashboard {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }
  
  .stats-card {
    padding: 0.8rem 0.4rem;
    border-radius: 10px;
  }
  
  .stats-card h3 {
    font-size: 1.2rem;
  }
  
  .stats-card p {
    font-size: 0.65rem;
    letter-spacing: 0.04em;
  }

  .stats-dashboard-section .section-heading {
    font-size: 1rem;
  }
  
  .stats-dashboard-section .section-heading .heading-icon {
    font-size: 1.2rem;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .stats-card {
    transition: none;
  }
  
  .stats-card:hover {
    transform: none;
  }
  
  .stats-dashboard-section .section-heading::after {
    transition: none;
  }
}

/* Compact hero */
.hero-section.compact-hero {
  min-height: 400px;
  padding: 2rem 0;
}

/* Fixed sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  overflow-y: auto;
  z-index: 1000;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

body.sidebar-active .sidebar {
  transform: translateX(0);
}

/* Main content shift */
#main-content {
  margin-left: 0;
  transition: margin-left 0.3s ease;
}

body.sidebar-active #main-content {
  margin-left: 280px;
}

/* HIDE THE BROKEN CANVAS IMAGE */
#boardCanvas {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  width: 0 !important;
  height: 0 !important;
  position: absolute !important;
  pointer-events: none !important;
}