/* Dark "blueprint" theme, ported from the Vue app (App.vue / editor.styl). */

:root {
  --blueprint-bg: #0a1628;
  --blueprint-border: #1e3a5f;
  --blueprint-accent: #3a7bd5;
  --blueprint-text: #a8d4ff;
  --blueprint-bright: #6eb5ff;
  --blueprint-dark: #050d18;
  --blueprint-grid: rgba(62, 120, 213, 0.15);
  --primary-text: #e8f4ff;
  --help-text-color: #6eb5ff;
  --help-background: #0d1b2e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #000;
  font-family: monospace;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--primary-text);
}

#scene {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* --- sidebar & theme toggle buttons --- */

.sidebar-toggle,
.theme-toggle {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1000;
  width: 44px;
  height: 44px;
  background: var(--blueprint-bg);
  border: 2px solid var(--blueprint-accent);
  border-radius: 4px;
  color: var(--blueprint-bright);
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4),
              0 0 20px rgba(58, 123, 213, 0.2),
              inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.sidebar-toggle:hover,
.theme-toggle:hover {
  background: #0f2140;
  border-color: var(--blueprint-bright);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.5),
              0 0 30px rgba(58, 123, 213, 0.4),
              inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.sidebar-toggle.sidebar-open { left: 516px; }
.toggle-icon, .theme-icon { line-height: 1; user-select: none; }

.theme-toggle {
  left: auto;
  top: auto;
  right: 16px;
  bottom: 16px;
}

/* --- sidebar --- */

.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 500px;
  max-width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: var(--blueprint-bg);
  border-right: 2px solid var(--blueprint-accent);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5),
              0 0 40px rgba(58, 123, 213, 0.15);
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  background-image:
    linear-gradient(var(--blueprint-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--blueprint-grid) 1px, transparent 1px);
  background-size: 20px 20px;
}

.sidebar.sidebar-open { transform: translateX(0); }

.section { padding: 16px; }

.editor-container {
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  background: linear-gradient(to bottom, var(--blueprint-dark) 0%, var(--blueprint-bg) 100%);
}

.editor-container a {
  color: var(--blueprint-bright);
  text-decoration: none;
  transition: all 0.2s;
}

.editor-container a:hover { color: var(--primary-text); }

.editor-container::-webkit-scrollbar { width: 8px; }
.editor-container::-webkit-scrollbar-track {
  background: var(--blueprint-dark);
  border-left: 1px solid var(--blueprint-border);
}
.editor-container::-webkit-scrollbar-thumb {
  background: var(--blueprint-accent);
  border-radius: 4px;
}
.editor-container::-webkit-scrollbar-thumb:hover { background: var(--blueprint-bright); }

/* --- title --- */

.title {
  color: var(--primary-text);
  font-size: 20px;
  font-weight: 500;
  padding: 8px 0;
  margin-bottom: 12px;
  border-bottom: 2px solid var(--blueprint-border);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: 'Courier New', monospace;
}

.github-link {
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
  opacity: 0.8;
  vertical-align: middle;
}

.github-link svg { width: 18px; height: 18px; }
.github-link:hover { opacity: 1; transform: scale(1.1); }

/* --- syntax help --- */

.help {
  margin: 12px -16px 16px -16px;
  padding: 20px;
  background: var(--help-background);
  color: var(--blueprint-text);
  border-top: 1px solid var(--blueprint-border);
  border-bottom: 1px solid var(--blueprint-border);
  font-size: 14px;
}

.help a {
  border-bottom: 1px dashed var(--blueprint-border);
  color: var(--primary-text);
  font-weight: 500;
}

.help ul {
  padding: 0;
  list-style-type: none;
}

.help ul ul {
  padding-left: 20px;
  margin-top: 8px;
}

.help strong {
  color: var(--blueprint-bright);
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

.help code {
  color: #4ec9b0;
  background: rgba(0, 0, 0, 0.3);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
}

.help li { margin: 8px 0; line-height: 1.6; }

.help pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--blueprint-border);
  border-radius: 4px;
  padding: 12px;
  margin: 12px 0;
  overflow-x: auto;
}

.help pre code { background: none; padding: 0; }

/* --- editor --- */

.editor-wrapper {
  position: relative;
  margin: 16px 0;
}

.syntax-help-button {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;
  font-size: 14px;
  color: var(--help-text-color);
  padding: 6px 12px;
  border: 1px solid var(--blueprint-border);
  border-radius: 3px;
  background: var(--blueprint-dark);
  text-decoration: none;
  transition: all 0.2s;
}

.syntax-help-button:hover {
  background: var(--blueprint-border);
  border-color: var(--blueprint-accent);
}

.syntax-help-button.syntax-visible {
  background: var(--blueprint-accent);
  color: white !important;
  border-color: var(--blueprint-bright);
}

.code-editor {
  display: block;
  width: 100%;
  height: 320px;
  resize: vertical;
  background-color: #000;
  border: 1px solid #000;
  color: #ddd;
  font-family: Consolas, 'SourceCodePro-Medium', monaco, monospace;
  font-size: 14px;
  line-height: 1.4;
  padding: 8px;
  white-space: pre;
  overflow: auto;
  outline: none;
}

.code-editor:focus {
  border: 1px dashed white;
  background: #13294f;
}

.error-container {
  color: white;
  background: #d32f2f;
  padding: 8px 16px;
  border-left: 3px solid #ff5252;
  margin: 8px 0;
}

.error-container pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: inherit;
}

/* --- view controls --- */

.view-controls {
  padding: 16px;
  background: rgba(30, 58, 95, 0.2);
  border: 1px solid var(--blueprint-border);
  border-radius: 4px;
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.slider-control,
.grid-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-control label,
.grid-toggle label {
  color: var(--blueprint-text);
  font-size: 14px;
  font-weight: 500;
  min-width: 80px;
}

.slider-control input[type='range'] {
  flex: 1;
  height: 6px;
  background: var(--blueprint-border);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.slider-control input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--blueprint-bright);
  cursor: pointer;
  border: 2px solid var(--blueprint-bg);
  box-shadow: 0 0 10px rgba(110, 181, 255, 0.5);
  transition: all 0.2s;
}

.slider-control input[type='range']::-webkit-slider-thumb:hover {
  background: var(--primary-text);
  box-shadow: 0 0 15px rgba(110, 181, 255, 0.8);
  transform: scale(1.1);
}

.slider-control input[type='range']::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--blueprint-bright);
  cursor: pointer;
  border: 2px solid var(--blueprint-bg);
  box-shadow: 0 0 10px rgba(110, 181, 255, 0.5);
  transition: all 0.2s;
}

.slider-value {
  color: var(--blueprint-bright);
  font-size: 14px;
  font-weight: 600;
  min-width: 45px;
  text-align: right;
  font-family: 'Courier New', monospace;
}

.grid-checkbox { display: none; }

.toggle-switch {
  position: relative;
  width: 48px;
  height: 24px;
  background: var(--blueprint-border);
  border: 2px solid var(--blueprint-border);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--blueprint-text);
  border-radius: 50%;
  transition: all 0.3s;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.toggle-switch.active {
  background: var(--blueprint-accent);
  border-color: var(--blueprint-bright);
}

.toggle-switch.active::after {
  left: 26px;
  background: var(--blueprint-bright);
  box-shadow: 0 2px 8px rgba(110, 181, 255, 0.6);
}

.toggle-switch:hover { border-color: var(--blueprint-accent); }

/* --- action buttons --- */

.controls {
  padding: 16px;
  margin-top: 8px;
  border-top: 2px solid var(--blueprint-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.controls a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 24px;
  background: transparent;
  text-decoration: none;
  border: 2px solid;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.controls a:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px currentColor;
}

.controls a:active {
  transform: translateY(0);
  box-shadow: 0 0 10px currentColor;
}

a.album-button { color: #b884d4; border-color: #b884d4; }
a.album-button:hover { color: #d4a5f0 !important; border-color: #d4a5f0; }

a.randomize-button { color: var(--blueprint-bright); border-color: var(--blueprint-bright); }
a.randomize-button:hover { color: var(--primary-text) !important; border-color: var(--primary-text); }

a.stop-button { color: #ef5350; border-color: #ef5350; }
a.stop-button:hover { color: #ff6b68 !important; border-color: #ff6b68; }

a.save-button { color: #26a69a; border-color: #26a69a; }
a.save-button:hover { color: #4db6ac !important; border-color: #4db6ac; }

/* --- examples --- */

.examples-section {
  border-top: 2px solid var(--blueprint-border);
  margin-top: 16px;
  padding-top: 0;
}

.examples-section .title { margin: 12px 0; }

.examples-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 4px;
}

.examples-list::-webkit-scrollbar { width: 6px; }
.examples-list::-webkit-scrollbar-track {
  background: var(--blueprint-dark);
  border-radius: 3px;
}
.examples-list::-webkit-scrollbar-thumb {
  background: var(--blueprint-accent);
  border-radius: 3px;
}
.examples-list::-webkit-scrollbar-thumb:hover { background: var(--blueprint-bright); }

.example-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(30, 58, 95, 0.3);
  border: 1px solid var(--blueprint-border);
  border-left: 3px solid var(--blueprint-border);
  border-radius: 3px;
  color: var(--blueprint-text) !important;
  text-decoration: none;
  font-size: 13px;
  transition: all 0.2s;
  cursor: pointer;
}

.example-item:hover {
  background: rgba(30, 58, 95, 0.6);
  border-left-color: var(--blueprint-accent);
  color: var(--primary-text) !important;
  transform: translateX(4px);
}

.example-item.active {
  background: rgba(58, 123, 213, 0.2);
  border-left-color: var(--blueprint-bright);
  color: var(--blueprint-bright) !important;
  font-weight: 600;
  box-shadow: 0 0 10px rgba(58, 123, 213, 0.3);
}

/* duplicate highlighting */

.dup-badge {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 7px;
  border-radius: 8px;
  border: 1px solid;
}

.example-item.dup-exact {
  border-left-color: #e8a33d;
}

.example-item.dup-exact .dup-badge {
  color: #e8a33d;
  border-color: rgba(232, 163, 61, 0.6);
  background: rgba(232, 163, 61, 0.12);
}

.example-item.dup-variant .dup-badge {
  color: #7d97b8;
  border-color: rgba(125, 151, 184, 0.45);
  background: rgba(125, 151, 184, 0.1);
}

body.light-theme .example-item.dup-exact {
  border-left-color: #b45309;
}

body.light-theme .example-item.dup-exact .dup-badge {
  color: #b45309;
  border-color: rgba(180, 83, 9, 0.5);
  background: rgba(180, 83, 9, 0.08);
}

body.light-theme .example-item.dup-variant .dup-badge {
  color: #64748b;
  border-color: rgba(100, 116, 139, 0.5);
  background: rgba(100, 116, 139, 0.08);
}

/* --- light theme --- */

body.light-theme {
  --blueprint-bg: #f0f4f8;
  --blueprint-border: #b8c9db;
  --blueprint-accent: #2563eb;
  --blueprint-text: #1e3a5f;
  --blueprint-bright: #1d4ed8;
  --blueprint-dark: #e5ebf1;
  --blueprint-grid: rgba(37, 99, 235, 0.08);
  --primary-text: #0f1419;
  --help-text-color: #2563eb;
  --help-background: #dfe6ee;

  background: #fff;
}

body.light-theme .sidebar-toggle,
body.light-theme .theme-toggle {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1),
              0 0 20px rgba(37, 99, 235, 0.1),
              inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

body.light-theme .sidebar-toggle:hover,
body.light-theme .theme-toggle:hover {
  background: var(--blueprint-dark);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15),
              0 0 30px rgba(37, 99, 235, 0.2),
              inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

body.light-theme .sidebar {
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1),
              0 0 40px rgba(37, 99, 235, 0.08);
}

body.light-theme .code-editor {
  background-color: #fff;
  border-color: #fff;
  color: #1a1a1a;
}

body.light-theme .code-editor:focus {
  border: 1px dashed var(--blueprint-accent);
  background: #eef4ff;
}

body.light-theme .error-container {
  background: #fca5a5;
  color: #7f1d1d;
  border-left-color: #dc2626;
}

body.light-theme .help code {
  color: #059669;
  background: rgba(0, 0, 0, 0.05);
}

body.light-theme .help pre {
  background: rgba(0, 0, 0, 0.05);
}

body.light-theme a.album-button { color: #7c3aed; border-color: #7c3aed; }
body.light-theme a.album-button:hover { color: #6d28d9 !important; border-color: #6d28d9; }

body.light-theme a.randomize-button:hover { color: var(--blueprint-accent) !important; border-color: var(--blueprint-accent); }

body.light-theme a.stop-button { color: #dc2626; border-color: #dc2626; }
body.light-theme a.stop-button:hover { color: #b91c1c !important; border-color: #b91c1c; }

body.light-theme a.save-button { color: #0d9488; border-color: #0d9488; }
body.light-theme a.save-button:hover { color: #0f766e !important; border-color: #0f766e; }

/* --- small screens --- */

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    max-width: 400px;
  }

  .sidebar-toggle.sidebar-open {
    left: min(calc(100% - 60px), 416px);
  }
}