Web-dev-mini-projects/Unit-Converter/style.css at 24bf8b2ac71aaa192d928c9d945861f773cec9d1 · Ayushparikh-code/Web-dev-mini-projects · GitHub

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:root {
  --bg: #eef3f8;
  --card: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --accent: #0f766e;
  --accent-dark: #0b5a54;
  --border: #d6e0eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at top, #f8fbff, var(--bg));
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 1rem;
}

.container {
  width: min(720px, 100%);
}

h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.8rem, 2.8vw, 2.2rem);
  text-align: center;
}

.subtitle {
  margin: 0 0 1.25rem;
  color: var(--muted);
  text-align: center;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

select,
input,
button {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  font-size: 1rem;
}

input[readonly] {
  background-color: #f8fafc;
}

select:focus,
input:focus,
button:focus {
  outline: 2px solid #99f6e4;
  outline-offset: 2px;
}

.converter-grid {
  margin-top: 1rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr 1fr auto 1fr 1fr;
  align-items: end;
}

.field {
  min-width: 0;
}

#swapBtn {
  width: auto;
  background-color: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 0.65rem 1rem;
  transition: background-color 0.2s ease;
}

#swapBtn:hover {
  background-color: var(--accent-dark);
}

.message {
  margin: 0.95rem 0 0;
  min-height: 1.4rem;
  color: #b42318;
  font-size: 0.95rem;
}

@media (max-width: 720px) {
  .converter-grid {
    grid-template-columns: 1fr;
  }

  #swapBtn {
    width: 100%;
  }
}