style.css

:root {
  --code-font-size: 14px;
}

html, body {
  height: 100%;
  margin: 0;
  font-family: sans-serif;
  background-color: #1e1e1e;
  color: #ccc;
  overscroll-behavior-y: contain;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  padding: env(safe-area-inset);
}

/* Ribbon */
#ribbon {
  width: 100%;
  height: 40px;
  background-color: #252526;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px 0 10px;
  border-bottom: 1px solid #444;
}
#ribbon-left {
  display: flex;
  align-items: center;
}
#ribbon-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}
#ribbon-tools button {
  background: none;
  border: none;
  color: #ccc;
  font-size: 18px;
  padding: 6px 8px;
  cursor: pointer;
}
#ribbon-tools button:hover {
  background-color: #444;
  border-radius: 4px;
}
.tab {
  padding: 0 16px;
  cursor: pointer;
  user-select: none;
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
}
.tab:hover {
  background-color: #3c3c3c;
}
.dropdown:hover .menu {
  display: block;
}
.menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #2d2d2d;
  border: 1px solid #444;
  z-index: 10;
  min-width: 180px;
}
.menu div {
  padding: 8px 12px;
  cursor: pointer;
}
.menu div:hover {
  background-color: #444;
}

/* Layout */
#container {
  display: flex;
  height: calc(100vh - 40px);
}
#sidebar {
  width: 250px;
  background-color: #2d2d2d;
  padding: 10px;
  overflow-y: auto;
  border-right: 1px solid #444;
}
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
}
#header {
  padding: 10px;
  background: #333;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
}

#viewer {
  flex: 1;
  scroll-behavior: smooth;
  padding: 10px;
  overflow: auto;
  display: block;
  height: 100%;
}
#viewer pre,
#viewer .markdown-body {
  width: 100%;
}
.sidebar-hidden #sidebar {
  display: none;
}
.sidebar-hidden #main {
  flex: 1;
}

/* Files & Tree */
.file {
  cursor: pointer;
  margin: 4px 0;
  font-size: 14px;
}
.file:hover {
  text-decoration: underline;
}
.file.active {
  background-color: #444;
  border-radius: 4px;
  padding: 2px 4px;
  color: #fff;
}
ul {
  margin: 0;
  padding-left: 12px;
}
li {
  padding: 2px 0;
}
.folder-icon,
.file-icon {
  font-size: 1.1em;
  vertical-align: middle;
  margin-right: 6px;
}
.transparent-folder-icon {
  color: transparent !important;
}
.default-folder-icon {
  color: #555;
}
.default-file-icon {
  color: #666;
}

/* Fonts */
#viewer pre,
#viewer code,
.markdown-body code,
.markdown-body pre {
  font-family: 'Fira Code', Consolas, Menlo, monospace;
  font-size: var(--code-font-size);
  line-height: 1.4;
}

/* Placeholder */
.placeholder {
  text-align: center;
  margin: auto;
  color: #888;
  font-size: 1.1em;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}
.placeholder-icon {
  width: 64px;
  height: 64px;
  opacity: 0.6;
  margin-bottom: 12px;
}

/* Code Blocks */
pre.line-numbers {
  padding-left: 3.5em;
  position: relative;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* Responsive */
@media (max-width: 768px) {
  #container {
    flex-direction: column;
    height: auto;
  }
  #sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #444;
  }
}
@media (max-width: 576px) {
  :root {
    --code-font-size: 12px;
  }
}
@media (min-width: 577px) and (max-width: 992px) {
  :root {
    --code-font-size: 14px;
  }
}
@media (min-width: 993px) {
  :root {
    --code-font-size: 16px;
  }
}
@media (max-width: 480px) {
  #searchBoxContainer input[type="text"] {
    min-width: 100px;
    width: 100%;
  }
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  z-index: 999;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background-color: rgba(0, 0, 0, 0.4);
  align-items: center;
  justify-content: center;
}
.modal.visible {
  display: flex;
}
.modal-content {
  background: #2d2d2d;
  padding: 20px;
  border: 1px solid #444;
  color: #ccc;
  border-radius: 6px;
  max-width: 80vw;
  width: 100%;
  box-sizing: border-box;
   max-height: 90vh;
  overflow-y: auto;
}
.modal-content input[type="text"],
.modal-content input[type="number"] {
  width: 100%;
  padding: 10px;
  font-size: 16px;
  background-color: #1e1e1e;
  border: 1px solid #555;
  color: #eee;
  border-radius: 4px;
}


mark.search-highlight {
  background-color: yellow;
  color: black;
  padding: 0 2px;
  border-radius: 2px;
}
mark.current-match {
  background-color: orange;
}
#globalSearchResults {
  max-height: 200px;
  overflow-y: auto;
  margin-top: 10px;
  font-size: 13px;
}
#globalSearchResults .result-item,
#fileSuggestions div {
  padding: 6px;
  cursor: pointer;
}
#globalSearchResults .result-item:hover,
#fileSuggestions div:hover {
  background-color: #3c3c3c;
}
#fileSuggestions {
  margin-top: 8px;
  max-height: 150px;
  overflow-y: auto;
}
#header .back-button {
  position: absolute;
  left: 12px;
  background: none;
  border: none;
  color: #ccc;
  font-size: 18px;
  cursor: pointer;
}

.xlsx-tabs {
  display: flex;
  border-bottom: 1px solid #ccc;
  margin-bottom: 8px;
}
.xlsx-tabs button {
  padding: 6px 12px;
  border: none;
  background: none;
  cursor: pointer;
  font-weight: 500;
}
.xlsx-tabs button.active {
  border-bottom: 2px solid #007acc;
}


.xlsx-table-wrap {
  overflow: auto;
  max-height: calc(100vh - 180px); 
}


.xlsx-table-wrap table {
  border-collapse: collapse;
  width: 100%;
}
.xlsx-table-wrap th,
.xlsx-table-wrap td {
  border: 1px solid #ddd;
  padding: 4px 8px;
  text-align: left;
  white-space: nowrap;
}
.xlsx-table-wrap th {
  background-color: #f5f5f5;
}
#searchBoxContainer {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-right: 10px;
}

#searchBoxContainer input[type="text"] {
  padding: 4px 8px;
  border-radius: 4px;
  border: none;
  font-size: 14px;
  min-width: 180px;
}

   input, button {
      font-size: 16px;
    }

    input:focus {
  outline: 2px solid #007acc;
}
.spinner-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  font-size: 16px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 6px solid #ccc;
  border-top: 6px solid #007acc;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 10px;
}

@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
#loadingProgress {
  animation: fadeIn 0.3s ease-in;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Devicons */
.devicon-flutter-plain       { color: #02569B; }
.devicon-dart-plain          { color: #00B4AB; }
.devicon-android-plain       { color: #3DDC84; }
.devicon-java-plain          { color: #5382A1; }
.devicon-yaml-plain          { color: #cb171e; }
.devicon-html5-plain         { color: #E44D26; }
.devicon-apple-original      { color: #ccc; }
.devicon-windows8-original   { color: #00ADEF; }
.devicon-linux-plain         { color: #FCC624; }
.devicon-intellij-plain      { color: #f24f4f; }
.devicon-visualstudio-plain  { color: #007ACC; }
.devicon-git-plain           { color: #f1502f; }
.devicon-lock-plain          { color: #888; }
.devicon-cog-plain           { color: #999; }
.devicon-gradle-plain        { color: #02303A; }