@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Quicksand:wght@500;600;700&family=Fira+Code:wght@400;500&display=swap');

/* ================================================================
   WATERCOLOR GLASS — Ghibli × Glassmorphism Design System
   Two themes: "light" (warm cream watercolor) & "twilight" (deep dusk)
   ================================================================ */

/* --- LIGHT THEME (default) --- */
:root,
[data-theme="light"] {
  --bg-main: #f4f1ea;
  --bg-glass: rgba(255, 255, 255, 0.55);
  --bg-glass-hover: rgba(255, 255, 255, 0.70);
  --bg-glass-inset: rgba(255, 255, 255, 0.35);
  --bg-code: rgba(30, 28, 35, 0.82);

  --border-glass: rgba(255, 255, 255, 0.40);
  --border-subtle: rgba(80, 70, 60, 0.10);
  --border-strong: rgba(80, 70, 60, 0.18);

  --accent: #739a78;
  --accent-hover: #5d8a62;
  --accent-glow: rgba(115, 154, 120, 0.30);
  --accent-secondary: #d4a574;
  --accent-tertiary: #a896c4;

  --text-main: #2d2d2d;
  --text-muted: #8a8378;
  --text-tertiary: #a8a098;
  --text-code: #d4d0c8;

  --success: #7a9c6e;
  --error: #c67070;

  --shadow-glass: 0 8px 32px rgba(31, 38, 50, 0.10);
  --shadow-glass-hover: 0 12px 40px rgba(31, 38, 50, 0.16);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.50);

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --blur-glass: blur(20px) saturate(180%);
  --blur-light: blur(12px) saturate(150%);
  --blur-heavy: blur(30px) saturate(200%);

  --font-ui: 'Inter', 'Hiragino Sans', 'Noto Sans JP', system-ui, sans-serif;
  --font-display: 'Quicksand', 'Inter', system-ui, sans-serif;
  --font-code: 'Fira Code', 'Hiragino Sans', monospace;

  --watercolor-1: rgba(115, 154, 120, 0.12);
  --watercolor-2: rgba(212, 165, 116, 0.10);
  --watercolor-3: rgba(168, 150, 196, 0.08);
  --watercolor-4: rgba(139, 179, 196, 0.10);
}

/* --- TWILIGHT THEME --- */
[data-theme="twilight"] {
  --bg-main: #1a1a2e;
  --bg-glass: rgba(26, 26, 46, 0.55);
  --bg-glass-hover: rgba(30, 30, 55, 0.70);
  --bg-glass-inset: rgba(20, 20, 40, 0.40);
  --bg-code: rgba(15, 15, 30, 0.88);

  --border-glass: rgba(255, 255, 255, 0.12);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-strong: rgba(255, 255, 255, 0.16);

  --accent: #739a78;
  --accent-hover: #8aac8f;
  --accent-glow: rgba(115, 154, 120, 0.25);
  --accent-secondary: #d4a574;
  --accent-tertiary: #a896c4;

  --text-main: #e8e4dc;
  --text-muted: #a8a0b0;
  --text-tertiary: #7d7588;
  --text-code: #c8c4bc;

  --success: #8aac8f;
  --error: #d68080;

  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-glass-hover: 0 12px 40px rgba(0, 0, 0, 0.35);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.08);

  --watercolor-1: rgba(115, 154, 120, 0.08);
  --watercolor-2: rgba(212, 165, 116, 0.06);
  --watercolor-3: rgba(168, 150, 196, 0.06);
  --watercolor-4: rgba(139, 179, 196, 0.06);
}

/* --- AUTO DARK MODE --- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg-main: #1a1a2e;
    --bg-glass: rgba(26, 26, 46, 0.55);
    --bg-glass-hover: rgba(30, 30, 55, 0.70);
    --bg-glass-inset: rgba(20, 20, 40, 0.40);
    --bg-code: rgba(15, 15, 30, 0.88);

    --border-glass: rgba(255, 255, 255, 0.12);
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.16);

    --accent: #739a78;
    --accent-hover: #8aac8f;
    --accent-glow: rgba(115, 154, 120, 0.25);

    --text-main: #e8e4dc;
    --text-muted: #a8a0b0;
    --text-tertiary: #7d7588;
    --text-code: #c8c4bc;

    --success: #8aac8f;
    --error: #d68080;

    --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.25);
    --shadow-glass-hover: 0 12px 40px rgba(0, 0, 0, 0.35);
    --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.08);

    --watercolor-1: rgba(115, 154, 120, 0.08);
    --watercolor-2: rgba(212, 165, 116, 0.06);
    --watercolor-3: rgba(168, 150, 196, 0.06);
    --watercolor-4: rgba(139, 179, 196, 0.06);
  }
}

/* ================================================================
   RESET & BASE
   ================================================================ */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-ui);
  margin: 0;
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 10%, var(--watercolor-1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 20%, var(--watercolor-2) 0%, transparent 50%),
    radial-gradient(ellipse 70% 50% at 15% 90%, var(--watercolor-3) 0%, transparent 50%),
    radial-gradient(ellipse 80% 70% at 90% 85%, var(--watercolor-4) 0%, transparent 50%);
  background-attachment: fixed;
  animation: watercolorShift 20s ease-in-out infinite alternate;
  transition: background-color 0.4s ease, color 0.4s ease;
}

@keyframes watercolorShift {
  0% {
    background-position: 0% 0%, 0% 0%, 0% 0%, 0% 0%;
  }

  100% {
    background-position: 5% 3%, -3% 2%, 2% -3%, -2% 3%;
  }
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-secondary);
}

/* ================================================================
   GLASS PANEL — Base component
   ================================================================ */
.card,
.drop,
.modal-card,
.dump-section,
.dump-meta,
.commit-card,
.project-row {
  background: var(--bg-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-glass), var(--shadow-inset);
  position: relative;
}

/* Watercolor light-refraction edge */
.card::before,
.modal-card::before,
.dump-section::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.60) 0%,
      rgba(255, 255, 255, 0.20) 30%,
      rgba(255, 255, 255, 0.10) 60%,
      rgba(255, 255, 255, 0.40) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 1;
}

[data-theme="twilight"] .card::before,
[data-theme="twilight"] .modal-card::before,
[data-theme="twilight"] .dump-section::before {
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.20) 0%,
      rgba(255, 255, 255, 0.06) 30%,
      rgba(255, 255, 255, 0.04) 60%,
      rgba(255, 255, 255, 0.12) 100%);
}

/* ================================================================
   HEADER
   ================================================================ */
header {
  background: var(--bg-glass);
  -webkit-backdrop-filter: var(--blur-heavy);
  backdrop-filter: var(--blur-heavy);
  border-bottom: 1px solid var(--border-glass);
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
  gap: 12px;
}

header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

header h1 svg {
  color: var(--accent);
  filter: drop-shadow(0 2px 4px var(--accent-glow));
}

header .user-badge {
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-glass);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-muted);
}

header .user-badge strong {
  color: var(--text-main);
}

/* Theme toggle button */
.theme-toggle {
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--accent);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--bg-glass-hover);
  transform: scale(1.08);
}

.theme-toggle svg {
  transition: transform 0.4s ease;
}

.theme-toggle:hover svg {
  transform: rotate(20deg);
}

/* Header right-side cluster */
.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ================================================================
   MAIN CONTAINER
   ================================================================ */
main {
  padding: 40px 24px;
  max-width: 1200px;
  margin: auto;
  position: relative;
  z-index: 1;
}

/* ================================================================
   UPLOAD PANEL
   ================================================================ */
.upload-panel {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

.drop {
  border: 2px dashed var(--accent-glow);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  animation: panelEnter 0.6s ease-out both;
}

.drop:hover,
.drop.dragover {
  border-color: var(--accent);
  background: var(--bg-glass-hover);
  box-shadow: var(--shadow-glass-hover), 0 0 0 4px var(--accent-glow);
  transform: translateY(-2px);
}

.drop svg {
  color: var(--accent);
  opacity: 0.7;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.drop:hover svg {
  opacity: 1;
  transform: translateY(-3px);
}

.drop p {
  margin: 0 0 8px 0;
  font-size: 18px;
  font-weight: 500;
}

.drop .sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ================================================================
   BUTTON SYSTEM
   ================================================================ */
.btn {
  background: var(--accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-family: var(--font-ui);
  cursor: pointer;
  display: inline-block;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px var(--accent-glow);
  border: 1px solid rgba(255, 255, 255, 0.15);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
}

.btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 24px var(--accent-glow);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--bg-glass-hover);
  color: var(--text-main);
  border-color: var(--accent);
}

.btn-danger {
  background: var(--error);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  box-shadow: 0 4px 16px rgba(198, 112, 112, 0.30);
}

.btn-danger:hover {
  background: #b85a5a;
  box-shadow: 0 6px 24px rgba(198, 112, 112, 0.40);
}

.btn-apply-ai {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  height: 36px;
  border-radius: var(--radius-sm);
  margin-right: 12px;
  background: var(--accent-secondary);
  box-shadow: 0 4px 16px rgba(212, 165, 116, 0.20);
}

.btn-apply-ai:hover {
  background: #c59463;
  box-shadow: 0 6px 24px rgba(212, 165, 116, 0.30);
}

/* ================================================================
   CARDS
   ================================================================ */
.card {
  padding: 24px;
  border-radius: var(--radius-md);
  animation: panelEnter 0.6s ease-out 0.1s both;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}

/* ================================================================
   FORM INPUTS
   ================================================================ */
input[type="text"],
input[type="password"],
input#proj,
input#search,
input#route-user,
input#route-proj {
  width: 100%;
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-ui);
  margin-bottom: 20px;
  transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="password"]:focus,
input#proj:focus,
input#search:focus,
input#route-user:focus,
input#route-proj:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--bg-glass-hover);
}

input::placeholder {
  color: var(--text-tertiary);
}

/* ================================================================
   CODE & CODE BLOCKS
   ================================================================ */
code {
  font-family: var(--font-code);
  font-size: 12px;
  background: var(--bg-glass-inset);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  display: inline-block;
  word-break: break-all;
  color: var(--accent-secondary);
}

pre.code-block {
  margin: 12px 0 0 0;
  font-family: var(--font-code);
  font-size: 12px;
  background: var(--bg-code);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  overflow-x: auto;
  color: var(--text-code);
  line-height: 1.6;
}

/* ================================================================
   AI PANEL
   ================================================================ */
.ai-panel {
  margin-bottom: 32px;
  animation: panelEnter 0.6s ease-out 0.2s both;
}

.ai-panel label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 12px;
  cursor: pointer;
}

.ai-panel input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

/* ================================================================
   STATUS
   ================================================================ */
#status {
  font-size: 13px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-subtle);
  margin-top: 16px;
  color: var(--text-muted);
  line-height: 1.5;
}

#status a {
  font-weight: 500;
}

/* ================================================================
   PROJECTS LIST
   ================================================================ */
.projects-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.project-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  animation: panelEnter 0.4s ease-out both;
}

.project-row:hover {
  background: var(--bg-glass-hover);
  border-color: var(--accent);
  box-shadow: var(--shadow-glass-hover);
  transform: translateY(-1px);
}

.project-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}

.project-name {
  font-weight: 600;
  color: var(--text-main);
  font-size: 14px;
}

.project-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.project-actions {
  display: flex;
  gap: 8px;
}

.project-actions a {
  text-decoration: none;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  background: var(--bg-glass-inset);
  transition: all 0.2s ease;
}

.project-actions a:hover {
  border-color: var(--accent);
  color: var(--text-main);
  background: var(--bg-glass-hover);
}

/* ================================================================
   BROWSER LAYOUT
   ================================================================ */
.browser {
  display: grid;
  grid-template-columns: 280px 1fr;
  border-top: 1px solid var(--border-glass);
  height: calc(100vh - 64px);
  position: relative;
  overflow: hidden;
}

.browser aside,
.browser main {
  background: var(--bg-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  padding: 20px;
  overflow-y: auto;
  border-right: 1px solid var(--border-glass);
}

.browser aside:last-child {
  border-right: none;
}

.browser h3 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

/* ================================================================
   REDESIGN BROWSER COMPONENTS
   ================================================================ */

/* Code Frame & Toolbar */
.code-frame {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-code);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-glass);
}

.code-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid var(--border-glass);
  font-size: 13px;
  color: var(--text-code);
}

.code-meta-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.meta-badge {
  background: var(--accent);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.meta-info {
  opacity: 0.8;
  font-family: var(--font-ui);
}

.code-actions-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-tool {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.btn-tool:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Code Scroll & Container */
.code-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

.line-numbers-gutter {
  padding: 16px 12px;
  font-family: var(--font-code);
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-tertiary);
  text-align: right;
  user-select: none;
  background: rgba(0, 0, 0, 0.15);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  min-width: 4ch;
  white-space: pre;
}

.code-container pre {
  margin: 0;
  padding: 16px;
  flex: 1;
  overflow: auto;
  background: transparent !important;
}

.code-container code {
  font-family: var(--font-code);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre;
}

/* Soft-wrap implementation */
.soft-wrap code {
  white-space: pre-wrap !important;
  word-break: break-all;
}

/* Highlight line hover style */
.code-line-hover {
  background: rgba(255, 255, 255, 0.03);
}

/* Indent guides in file tree */
.folder-children {
  border-left: 1px solid var(--border-strong);
  margin-left: 14px;
  padding-left: 6px;
}

/* Sticky sidebar search bar */
.browser aside {
  position: relative;
}
.browser aside #search {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-glass-hover);
}

/* History Slide Drawer overlay styles */
.history-drawer {
  position: fixed;
  top: 64px;
  right: -320px;
  width: 320px;
  height: calc(100vh - 64px);
  background: var(--bg-glass);
  -webkit-backdrop-filter: var(--blur-heavy);
  backdrop-filter: var(--blur-heavy);
  border-left: 1px solid var(--border-glass);
  z-index: 999;
  transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 20px;
  overflow-y: auto;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.15);
}

.history-drawer.open {
  right: 0;
}

/* Markdown source vs preview switch */
.md-mode-switch {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 2px;
}

.md-mode-btn {
  background: transparent;
  border: none;
  color: #fff;
  padding: 2px 8px;
  font-size: 11px;
  border-radius: 3px;
  cursor: pointer;
}

.md-mode-btn.active {
  background: var(--accent);
  color: #fff;
}

/* Dual theme Prism syntax highlighting overrides */
[data-theme="light"] .code-frame {
  background: #fbfaf7;
  border-color: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .code-toolbar {
  background: rgba(0, 0, 0, 0.02);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--text-main);
}
[data-theme="light"] .btn-tool {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.06);
  color: var(--text-main);
}
[data-theme="light"] .btn-tool:hover {
  background: rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .line-numbers-gutter {
  background: rgba(0, 0, 0, 0.02);
  border-right: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--text-muted);
}
[data-theme="light"] .md-mode-btn {
  color: var(--text-muted);
}
[data-theme="light"] .md-mode-btn.active {
  color: #fff;
}

/* Light theme Syntax elements */
[data-theme="light"] .token.comment,
[data-theme="light"] .token.prolog,
[data-theme="light"] .token.doctype,
[data-theme="light"] .token.cdata {
  color: #9f968a;
  font-style: italic;
}
[data-theme="light"] .token.punctuation {
  color: #4a443c;
}
[data-theme="light"] .token.property,
[data-theme="light"] .token.tag,
[data-theme="light"] .token.boolean,
[data-theme="light"] .token.number,
[data-theme="light"] .token.constant,
[data-theme="light"] .token.symbol,
[data-theme="light"] .token.deleted {
  color: #b57c4a;
}
[data-theme="light"] .token.selector,
[data-theme="light"] .token.attr-name,
[data-theme="light"] .token.string,
[data-theme="light"] .token.char,
[data-theme="light"] .token.builtin,
[data-theme="light"] .token.inserted {
  color: #5b855e;
}
[data-theme="light"] .token.operator,
[data-theme="light"] .token.entity,
[data-theme="light"] .token.url,
[data-theme="light"] .token.variable {
  color: #8c78b0;
}
[data-theme="light"] .token.atrule,
[data-theme="light"] .token.attr-value,
[data-theme="light"] .token.keyword {
  color: #637ba2;
  font-weight: 500;
}
[data-theme="light"] .token.class-name,
[data-theme="light"] .token.function {
  color: #aa6565;
}

/* Twilight/Dark theme Syntax elements */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #7d7588;
  font-style: italic;
}
.token.punctuation {
  color: #e8e4dc;
}
.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
  color: #d4a574;
}
.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
  color: #8aac8f;
}
.token.operator,
.token.entity,
.token.url,
.token.variable {
  color: #a896c4;
}
.token.atrule,
.token.attr-value,
.token.keyword {
  color: #63b3ed;
  font-weight: 500;
}
.token.class-name,
.token.function {
  color: #f687b3;
}

/* ================================================================
   FILE LIST & TREE
   ================================================================ */
.file-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.file-item {
  padding: 8px 12px;
  cursor: pointer;
  font-family: var(--font-code);
  font-size: 13px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  border: 1px solid transparent;
  text-decoration: none;
}

.file-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-main);
}

.file-item.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 500;
}

/* Folder Nesting Tree */
.folder-container {
  margin: 4px 0;
}

.folder-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-main);
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
  user-select: none;
  list-style: none;
}

.folder-summary::-webkit-details-marker {
  display: none;
}

.folder-summary::marker {
  display: none;
}

.folder-summary:hover {
  background: var(--bg-glass-hover);
}

.folder-children {
  margin-left: 12px;
  padding-left: 10px;
  border-left: 1px dashed var(--border-subtle);
}

/* ================================================================
   PREVIEW / CONTENT PANE
   ================================================================ */
.preview-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 16px;
}

.breadcrumbs {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-code);
}

.breadcrumbs span {
  color: var(--text-main);
}

.breadcrumb-pill {
  display: inline-block;
  background: var(--bg-glass-inset);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-glass);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-code);
}

.preview-body {
  flex-grow: 1;
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow: auto;
  position: relative;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
  padding: 40px;
}

.empty-state svg {
  margin-bottom: 16px;
  color: var(--accent);
  opacity: 0.6;
}

.empty-state h4 {
  margin: 0 0 8px 0;
  color: var(--text-main);
  font-size: 16px;
}

/* ================================================================
   COMMIT HISTORY
   ================================================================ */
.commit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.commit-card {
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  transition: all 0.3s ease;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
}

.commit-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glass);
}

.commit-card b {
  color: var(--accent-secondary);
  font-family: var(--font-code);
}

.commit-card small {
  color: var(--text-muted);
  display: block;
  margin-top: 6px;
}

/* ================================================================
   COPY BUTTON
   ================================================================ */
.copy-btn {
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.copy-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-main);
  border-color: var(--accent);
}

/* ================================================================
   MARKDOWN RENDERING
   ================================================================ */
.markdown-body {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-main);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
  margin-top: 24px;
}

.markdown-body code {
  background: var(--bg-glass-inset);
  color: var(--accent-tertiary);
}

.markdown-body pre code {
  background: transparent;
  color: inherit;
  border: none;
  padding: 0;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 20px;
}

/* ================================================================
   VIEWER PANE DEFAULTS
   ================================================================ */
#preview,
#markdown-viewer,
#image-viewer,
#copy-btn {
  display: none;
}

#image-viewer {
  justify-content: center;
  align-items: center;
  height: 100%;
  min-height: 300px;
  padding: 20px;
}

/* ================================================================
   DUMP PAGE
   ================================================================ */
.dump-page header {
  position: sticky;
  top: 0;
}

.dump-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dump-banner {
  background: var(--accent-glow);
  border-bottom: 1px solid var(--border-glass);
  padding: 12px 32px;
  text-align: center;
}

.dump-banner p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.dump-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.dump-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
}

.dump-section {
  margin-bottom: 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.dump-path {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  font-family: var(--font-code);
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-glow);
  border-bottom: 1px solid var(--border-glass);
}

.dump-path svg {
  flex-shrink: 0;
}

.dump-code {
  margin: 0;
  padding: 0;
}

.dump-code pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-code);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-code);
  background: var(--bg-code);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.dump-code code {
  font-family: inherit;
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  word-break: break-all;
  color: inherit;
}

.dump-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

/* ================================================================
   MODAL
   ================================================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.40);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease-out;
}

.modal-card {
  padding: 24px;
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 500px;
  text-align: left;
  animation: modalEnter 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-card-wide {
  max-width: 560px;
}

.modal-diff {
  background: var(--bg-glass-inset);
  -webkit-backdrop-filter: var(--blur-light);
  backdrop-filter: var(--blur-light);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-code);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-diff-item {
  display: block;
}

.diff-section {
  margin-bottom: 10px;
}

.diff-section-title {
  font-weight: 600;
  margin-bottom: 4px;
  opacity: 0.95;
}

.diff-section.diff-added .diff-section-title,
.diff-section.diff-added .diff-line {
  color: var(--success);
}

.diff-section.diff-removed .diff-section-title,
.diff-section.diff-removed .diff-line {
  color: var(--error);
}

.diff-section.diff-changed .diff-section-title,
.diff-section.diff-changed .diff-line {
  color: var(--accent-secondary);
}

.diff-section.diff-unchanged .diff-section-title {
  color: var(--text-muted);
  font-weight: 500;
}

.diff-line {
  padding-left: 8px;
  word-break: break-all;
}

.diff-more {
  opacity: 0.7;
  padding-left: 8px;
  font-style: italic;
}

.diff-empty {
  opacity: 0.8;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.diff-added {
  color: var(--success);
}

.diff-removed {
  color: var(--error);
}

.diff-changed {
  color: var(--accent-secondary);
}

.commit-stats {
  display: inline-block;
  margin-left: 6px;
  font-size: 11px;
  font-family: var(--font-code);
  color: var(--text-muted);
}

/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes panelEnter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes modalEnter {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }

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

/* ================================================================
   GLOBAL SAFETY
   ================================================================ */
img,
pre,
code {
  max-width: 100%;
}

.project-row {
  flex-wrap: wrap;
  gap: 12px;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1100px) {
  .upload-panel {
    grid-template-columns: 1fr;
  }

  .browser {
    grid-template-columns: 240px 1fr;
  }

  .browser aside:last-child {
    display: none;
  }
}

@media (max-width: 720px) {
  main {
    padding: 16px;
  }

  header {
    padding: 12px 16px;
  }

  .browser {
    display: flex;
    flex-direction: column;
    height: auto;
  }

  .browser aside {
    border-right: none;
    border-bottom: 1px solid var(--border-glass);
    max-height: 40vh;
  }

  /* Reduce blur for perf on mobile */
  .card,
  .drop,
  .modal-card,
  .dump-section {
    -webkit-backdrop-filter: var(--blur-light);
    backdrop-filter: var(--blur-light);
  }

  /* Remove watercolor edge for perf */
  .card::before,
  .modal-card::before,
  .dump-section::before {
    display: none;
  }
}

@media (max-width: 480px) {
  header {
    padding: 10px 12px;
    font-size: 18px;
  }

  header h1 {
    font-size: 18px;
  }

  .drop {
    padding: 36px 20px;
  }

  .btn {
    padding: 8px 18px;
    font-size: 14px;
  }

  .project-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

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

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

  body {
    animation: none;
  }
}