/* ===== Reset & Base ===== */
*{margin:0;padding:0;box-sizing:border-box}

/* ===== Theme Variables (Tokyo Night) ===== */
:root {
  --bg-dark: #1a1b26;
  --bg-panel: #24283b;
  --bg-hover: #292e42;
  --border: #3b4261;
  --text-primary: #c0caf5;
  --text-muted: #565f89;
  --accent-blue: #7aa2f7;
  --accent-purple: #bb9af7;
  --accent-green: #9ece6a;
  --accent-red: #f7768e;
  --accent-yellow: #e0af68;
  --font-mono: "Cascadia Code","Fira Code","JetBrains Mono",monospace;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-mono);
  height:100vh; display:flex; flex-direction:column
}

/* ===== Header ===== */
.header {
  background: var(--bg-panel);
  padding:12px 20px;
  display:flex;
  align-items:center;
  gap:12px;
  border-bottom:1px solid var(--border)
}
.header h1 { color:var(--accent-blue); font-size:18px; white-space:nowrap }
.header span { color:var(--text-muted); font-size:12px }

.autocomplete-wrapper {
  position: relative;
  flex: 1;
}
#pathInput {
  width:100%;
  background:var(--bg-dark);
  border:1px solid var(--border);
  color:var(--text-primary);
  padding:8px 12px;
  border-radius:6px;
  font-family:inherit;
  font-size:14px;
  outline:none;
  transition:border-color 0.15s ease
}
#pathInput:focus { border-color:var(--accent-blue) }

/* ===== Autocomplete Suggestions ===== */
#pathSuggestions {
  position:absolute;
  top:100%;
  left:0;
  right:0;
  background:var(--bg-dark);
  border:1px solid var(--border);
  border-top:none;
  border-radius:0 0 6px 6px;
  max-height:280px;
  overflow-y:auto;
  z-index:100;
  display:none;
  box-shadow:0 8px 32px rgba(0,0,0,0.4)
}
.suggestion-item {
  padding:6px 12px;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  transition:background 0.1s ease
}
.suggestion-item:hover,
.suggestion-item.highlighted {
  background:var(--bg-hover)
}
.suggestion-name { color:var(--text-primary) }
.suggestion-dir-label {
  color:var(--accent-blue);
  font-weight:bold;
  font-size:14px
}
#pathSuggestions::-webkit-scrollbar { width:6px }
#pathSuggestions::-webkit-scrollbar-track { background:transparent }
#pathSuggestions::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px }

button {
  background:var(--accent-blue);
  color:var(--bg-dark);
  border:none;
  padding:8px 20px;
  border-radius:6px;
  cursor:pointer;
  font-family:inherit;
  font-weight:600;
  font-size:14px;
  transition:background-color 0.15s ease, transform 0.1s ease
}
button:hover { background:var(--accent-purple); transform:scale(1.02) }

/* ===== Toolbar ===== */
.toolbar {
  background:var(--bg-panel);
  padding:6px 20px;
  display:flex;
  gap:8px;
  align-items:center;
  border-bottom:1px solid var(--border);
  position:relative;
  z-index:10
}
.toolbar button { padding:4px 12px; font-size:12px }
#status { color:var(--text-muted); font-size:12px; margin-left:auto }

/* Settings Panel */
.settings-btn { position:relative }
.settings-panel {
  display:none;
  position:absolute;
  top:100%;
  right:0;
  background:var(--bg-dark);
  border:1px solid var(--border);
  border-radius:6px;
  padding:16px;
  min-width:240px;
  z-index:100;
  box-shadow:0 8px 32px rgba(0,0,0,0.4);
  opacity:0;
  transform:translateY(-4px);
  transition:opacity 0.15s ease, transform 0.15s ease
}
.settings-panel.open {
  display:block;
  opacity:1;
  transform:translateY(0)
}
.settings-panel h3 {
  color:var(--accent-blue);
  font-size:14px;
  margin-bottom:12px;
  padding-bottom:8px;
  border-bottom:1px solid var(--border)
}
.setting-item {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:8px 0
}
.setting-item label {
  color:var(--text-primary);
  font-size:13px;
  cursor:pointer
}
.setting-item input[type=checkbox] {
  width:16px; height:16px;
  accent-color:var(--accent-blue);
  cursor:pointer
}
.setting-item select {
  background:var(--bg-dark);
  color:var(--text-primary);
  border:1px solid var(--border);
  border-radius:4px;
  padding:2px 6px;
  font-size:12px;
  font-family:inherit;
  cursor:pointer;
  outline:none;
  position:relative;
  z-index:1000
}
.setting-item select:focus { border-color:var(--accent-blue) }
.setting-item input[type=color] {
  width:32px; height:24px;
  border:1px solid var(--border);
  border-radius:4px;
  padding:1px;
  cursor:pointer;
  background:var(--bg-dark)
}
.hw-only { display:none }
.hw-only.show { display:flex }
.custom-colors { display:none }
.custom-colors.show { display:block }

/* Beta Badge */
.beta-badge {
  display:inline-block;
  background:var(--accent-purple);
  color:var(--bg-dark);
  font-size:10px;
  font-weight:bold;
  padding:1px 5px;
  border-radius:3px;
  margin-left:6px;
  vertical-align:middle
}

/* Service Mode */
#serviceStatusLabel {
  flex:0 0 auto;
  font-size:12px;
  min-width:60px;
  text-align:right;
  color:var(--text-muted)
}
#serviceStatusLabel.running {
  color:var(--accent-green)
}
#serviceToggleBtn {
  padding:2px 10px;
  margin-left:4px;
  border:1px solid var(--border);
  background:var(--accent-blue);
  color:var(--bg-dark);
  border-radius:4px;
  cursor:pointer;
  font-size:11px;
  font-family:inherit
}
#serviceToggleBtn.running {
  background:var(--accent-red);
  color:#fff
}

/* Language Switch */
.lang-switch {
  position:relative;
  display:inline-block
}
.lang-switch select {
  background:var(--bg-dark);
  color:var(--text-primary);
  border:1px solid var(--border);
  border-radius:4px;
  padding:2px 6px;
  font-size:11px;
  font-family:inherit;
  cursor:pointer;
  outline:none
}
.lang-switch select:focus { border-color:var(--accent-blue) }

/* ===== Content Area ===== */
.content {
  flex:1;
  position:relative;
  padding:20px 20px 20px 4px;
  overflow:auto;
  z-index:0
}

/* HW Accelerated Canvas Container */
#hwContainer {
  position:absolute;
  top:0;left:0;right:0;bottom:0;
  display:none;
  z-index:0;
  pointer-events:auto
}
#hwContainer.active { display:block }
#hwCanvas { width:100%; height:100%; display:block }
#hwTooltip {
  position:absolute;
  background:var(--bg-panel);
  color:var(--text-primary);
  border:1px solid var(--border);
  border-radius:4px;
  padding:4px 8px;
  font-size:12px;
  pointer-events:none;
  z-index:10;
  white-space:nowrap;
  display:none
}

/* Text tree layer */
#treeText {
  position:relative;
  z-index:1;
}
#treeText.init-msg { text-align:center; padding:40px; color:var(--accent-yellow); font-size:16px }

/* Tree Lines */
.tree-line {
  white-space:pre;
  min-height:1.4em;
  line-height:1.4;
  padding:1px 4px;
  border-radius:2px;
  transition:background-color 0.1s ease
}
.tree-line:hover { background:var(--bg-hover) }

.dir-link {
  color:var(--accent-blue);
  cursor:pointer;
  text-decoration:none
}
.dir-link:hover { text-decoration:underline }
.file-name { color:var(--accent-green) }

.loading { color:var(--accent-yellow); text-align:center; padding:40px; font-size:16px }
.error { color:var(--accent-red); padding:20px }

/* ===== Scrollbar (Webkit) ===== */
::-webkit-scrollbar { width:8px; height:8px }
::-webkit-scrollbar-track { background:var(--bg-dark) }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:4px }
::-webkit-scrollbar-thumb:hover { background:var(--text-muted) }

/* ===== Responsive Design ===== */
@media(max-width:768px) {
  .header {
    flex-wrap:wrap;
    gap:8px;
    padding:8px 12px
  }
  .header h1 { font-size:14px }
  .autocomplete-wrapper {
    order:-1;
    width:100%
  }
  .toolbar {
    flex-wrap:wrap;
    padding:4px 12px
  }
  .content { padding:12px 12px 12px 4px }
}

/* ===== GitHub Pages Preview Mode ===== */
.preview-mode .autocomplete-wrapper,
.preview-mode .header button:last-child {
  display:none
}

/* Preview Mode Footer */
.preview-footer {
  display:none;
  background:var(--bg-panel);
  padding:12px 20px;
  border-top:1px solid var(--border);
  text-align:center;
  font-size:12px;
  color:var(--text-muted)
}
.preview-footer a {
  color:var(--accent-blue);
  text-decoration:none
}
.preview-footer a:hover {
  text-decoration:underline
}
.preview-footer span {
  margin-left:16px
}

.preview-mode .preview-footer {
  display:block
}

/* JS Mode Warning */
.js-mode-warning {
  background:var(--bg-hover);
  border:1px solid var(--accent-yellow);
  border-radius:4px;
  padding:8px 12px;
  margin:4px 0;
  font-size:11px;
  color:var(--accent-yellow);
  line-height:1.4
}

/* JS Mode Status Indicator */
.js-mode-status {
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:2px 8px;
  margin-left:12px;
  font-size:11px;
  color:var(--accent-blue);
  background:rgba(137,180,250,0.1);
  border:1px solid rgba(137,180,250,0.3);
  border-radius:4px;
  cursor:default
}
.js-mode-status::before {
  content:'●';
  font-size:8px;
  animation:pulse 2s ease-in-out infinite
}
@keyframes pulse {
  0%,100% { opacity:1 }
  50% { opacity:0.4 }
}

/* JS Mode Restricted Path Warning */
.js-mode-restricted {
  max-width:500px;
  margin:40px auto;
  padding:32px 24px;
  background:var(--bg-panel);
  border:2px solid var(--accent-red);
  border-radius:12px;
  text-align:center;
  box-shadow:0 4px 24px rgba(0,0,0,0.3)
}
.restricted-icon {
  font-size:48px;
  margin-bottom:16px
}
.js-mode-restricted h3 {
  color:var(--accent-red);
  font-size:20px;
  margin-bottom:16px
}
.restricted-msg {
  color:var(--text-primary);
  font-size:14px;
  margin-bottom:12px;
  word-break:break-all
}
.restricted-desc {
  color:var(--text-muted);
  font-size:13px;
  line-height:1.6;
  margin-bottom:24px
}
.restricted-actions {
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap
}
.btn-download {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 20px;
  background:var(--accent-blue);
  color:#fff;
  text-decoration:none;
  border-radius:6px;
  font-weight:600;
  font-size:14px;
  transition:all 0.2s ease
}
.btn-download:hover {
  background:var(--accent-purple);
  transform:translateY(-1px)
}
.btn-anyways {
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:10px 20px;
  background:transparent;
  color:var(--accent-yellow);
  border:2px solid var(--accent-yellow);
  border-radius:6px;
  cursor:pointer;
  font-weight:600;
  font-size:14px;
  transition:all 0.2s ease
}
.btn-anyways:hover {
  background:var(--accent-yellow);
  color:var(--bg-dark)
}