/*
 * Total Serialism - Algorithm Design System
 * Aesthetic: Precision Instrument (Teenage Engineering meets oscilloscope)
 *
 * Usage: Link this CSS in all algorithm pages
 * <link rel="stylesheet" href="../../shared/algorithm.css">
 */

/* ============================================
   FONTS
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* Color Palette - Oscilloscope/Synth inspired */
  --ts-bg-deep: #06060a;
  --ts-bg-base: #0c0c12;
  --ts-bg-panel: #13131b;
  --ts-bg-control: #1a1a24;
  --ts-bg-hover: #22222e;
  --ts-bg-active: #2a2a38;

  /* Accent Colors */
  --ts-accent-primary: #00d4aa;      /* Cyan - primary actions, active states */
  --ts-accent-secondary: #ff9500;    /* Amber - warnings, secondary highlights */
  --ts-accent-tertiary: #7b68ee;     /* Violet - special states */
  --ts-accent-danger: #ff4757;       /* Red - destructive actions */

  /* Glow variants */
  --ts-glow-primary: rgba(0, 212, 170, 0.4);
  --ts-glow-secondary: rgba(255, 149, 0, 0.4);
  --ts-glow-tertiary: rgba(123, 104, 238, 0.3);

  /* Text Colors */
  --ts-text-primary: #e8e8ec;
  --ts-text-secondary: #9898a8;
  --ts-text-muted: #5a5a6e;
  --ts-text-inverse: #06060a;

  /* Borders */
  --ts-border-subtle: rgba(255, 255, 255, 0.06);
  --ts-border-default: rgba(255, 255, 255, 0.1);
  --ts-border-strong: rgba(255, 255, 255, 0.15);

  /* Typography */
  --ts-font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
  --ts-font-display: 'Space Mono', monospace;

  /* Spacing Scale */
  --ts-space-xs: 4px;
  --ts-space-sm: 8px;
  --ts-space-md: 12px;
  --ts-space-lg: 16px;
  --ts-space-xl: 24px;
  --ts-space-2xl: 32px;
  --ts-space-3xl: 48px;

  /* Layout */
  --ts-panel-width: 320px;
  --ts-panel-max-width: 380px;
  --ts-canvas-min-width: 400px;
  --ts-header-height: 56px;
  --ts-control-height: 44px;

  /* Border Radius */
  --ts-radius-sm: 4px;
  --ts-radius-md: 6px;
  --ts-radius-lg: 8px;
  --ts-radius-full: 9999px;

  /* Transitions */
  --ts-transition-fast: 120ms ease-out;
  --ts-transition-base: 200ms ease-out;
  --ts-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --ts-shadow-glow: 0 0 20px var(--ts-glow-primary);
  --ts-shadow-panel: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ts-shadow-control: 0 2px 8px rgba(0, 0, 0, 0.3);
}

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--ts-font-mono);
  font-weight: 400;
  line-height: 1.5;
  color: var(--ts-text-primary);
  background: var(--ts-bg-deep);
  height: 100%;
  overflow: hidden; /* KEY: Prevent body scroll for sticky canvas */
  display: flex;
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.015;
  pointer-events: none;
  z-index: 9999;
}

/* ============================================
   LAYOUT (Sticky Canvas + Scrollable Controls)
   ============================================ */
.ts-layout {
  display: flex;
  width: 100%;
  height: 100vh;
  gap: 0;
}

.ts-canvas-area {
  flex: 1;
  min-width: var(--ts-canvas-min-width);
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ts-bg-base);
  position: relative;
  overflow: hidden; /* Prevent canvas area scroll */
}

.ts-control-panel {
  width: var(--ts-panel-width);
  max-width: var(--ts-panel-max-width);
  min-width: 280px;
  height: 100vh;
  background: var(--ts-bg-panel);
  border-left: 1px solid var(--ts-border-subtle);
  display: flex;
  flex-direction: column;
  overflow-y: auto; /* KEY: Make control panel scrollable */
  flex-shrink: 0;
}

/* ============================================
   HEADER
   ============================================ */
.ts-header {
  height: var(--ts-header-height);
  padding: 0 var(--ts-space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--ts-bg-panel);
  border-bottom: 1px solid var(--ts-border-subtle);
  flex-shrink: 0;
}

.ts-logo {
  font-family: var(--ts-font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ts-text-muted);
}

.ts-algo-title {
  font-family: var(--ts-font-display);
  font-size: 1.1rem;
  font-weight: 600;
  font-style: normal;
  color: var(--ts-accent-primary);
  margin: 0 0 16px 0;
  letter-spacing: 0.02em;
}

/* Override inline styles when ts-algo-title is applied via init.js */
#controls h2.ts-algo-title {
  font-family: var(--ts-font-display) !important;
  font-style: normal !important;
  color: var(--ts-accent-primary) !important;
  font-weight: 600 !important;
  font-size: 1.1rem !important;
}

/* ============================================
   CANVAS CONTAINER
   ============================================ */
#canvas-container,
.ts-canvas-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--ts-space-xl);
  position: relative;
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.03) 0%, transparent 60%),
    var(--ts-bg-deep);
}

#canvas-container canvas,
.ts-canvas-container canvas {
  max-width: 100%;
  max-height: 100%;
  box-shadow:
    0 0 0 1px var(--ts-border-subtle),
    0 20px 60px rgba(0, 0, 0, 0.5);
  background: white;
}

/* Canvas loading state */
.ts-canvas-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ts-bg-deep);
}

.ts-canvas-loading::after {
  content: 'RENDERING';
  font-family: var(--ts-font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--ts-accent-primary);
  animation: ts-pulse 1.5s ease-in-out infinite;
}

@keyframes ts-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ============================================
   ZOOM TOOLBAR
   ============================================ */
.ts-zoom-toolbar {
  position: absolute;
  bottom: var(--ts-space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--ts-space-xs);
  padding: var(--ts-space-sm) var(--ts-space-md);
  background: var(--ts-bg-panel);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-lg);
  box-shadow: var(--ts-shadow-panel);
  z-index: 100;
  transition: all var(--ts-transition-base);
}

.ts-zoom-toolbar.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(20px);
}

.ts-zoom-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 var(--ts-space-sm);
  font-family: var(--ts-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ts-text-secondary);
  background: var(--ts-bg-control);
  border: 1px solid var(--ts-border-subtle);
  border-radius: var(--ts-radius-md);
  cursor: pointer;
  transition: all var(--ts-transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ts-zoom-btn:hover {
  background: var(--ts-bg-hover);
  color: var(--ts-text-primary);
  border-color: var(--ts-accent-primary);
}

.ts-zoom-btn:active {
  transform: scale(0.95);
}

.ts-zoom-btn.fit-btn {
  font-size: 0.65rem;
  letter-spacing: 0.02em;
}

.ts-zoom-slider {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--ts-bg-deep);
  border-radius: var(--ts-radius-full);
  cursor: pointer;
}

.ts-zoom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--ts-accent-primary);
  border-radius: var(--ts-radius-full);
  cursor: pointer;
  box-shadow: 0 0 6px var(--ts-glow-primary);
}

.ts-zoom-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--ts-accent-primary);
  border-radius: var(--ts-radius-full);
  cursor: pointer;
  border: none;
  box-shadow: 0 0 6px var(--ts-glow-primary);
}

.ts-zoom-value {
  font-family: var(--ts-font-mono);
  font-size: 0.7rem;
  color: var(--ts-accent-primary);
  min-width: 40px;
  text-align: center;
}

/* Mini toolbar (collapsed state) */
.ts-zoom-toolbar-mini {
  position: absolute;
  bottom: var(--ts-space-lg);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--ts-space-sm);
  background: var(--ts-bg-panel);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  box-shadow: var(--ts-shadow-panel);
  z-index: 100;
  cursor: pointer;
  transition: all var(--ts-transition-base);
}

.ts-zoom-toolbar-mini:hover {
  background: var(--ts-bg-hover);
  border-color: var(--ts-accent-primary);
}

.ts-zoom-toolbar-mini.hidden {
  opacity: 0;
  pointer-events: none;
}

/* ============================================
   FULLSCREEN MODE
   ============================================ */
body.ts-fullscreen-mode .ts-control-panel {
  display: none;
}

body.ts-fullscreen-mode .ts-header {
  display: none;
}

body.ts-fullscreen-mode .ts-canvas-area {
  width: 100vw;
}

body.ts-fullscreen-mode .ts-zoom-toolbar {
  background: rgba(19, 19, 27, 0.9);
  backdrop-filter: blur(8px);
}

/* ============================================
   GLOBAL ACTIONS
   ============================================ */
.ts-global-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ts-space-sm);
  padding: var(--ts-space-lg);
  background: var(--ts-bg-control);
  border-bottom: 1px solid var(--ts-border-subtle);
}

.ts-global-actions .ts-btn {
  font-size: 0.7rem;
  letter-spacing: 0.03em;
}

/* Regenerate button spans full width */
.ts-global-actions .ts-btn-primary {
  grid-column: 1 / -1;
}

/* ============================================
   SEED DISPLAY
   ============================================ */
.ts-seed-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ts-space-sm);
  padding: var(--ts-space-sm) var(--ts-space-lg);
  background: var(--ts-bg-deep);
  border-bottom: 1px solid var(--ts-border-subtle);
  font-size: 0.7rem;
  color: var(--ts-text-muted);
}

.ts-seed-display .ts-seed-label {
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ts-seed-display .ts-seed-value {
  font-family: var(--ts-font-display);
  color: var(--ts-accent-primary);
}

/* ============================================
   COLOR PICKER ROW
   ============================================ */
.ts-color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ts-space-md);
}

.ts-color-row .ts-label {
  flex: 1;
}

.ts-color-swatch-large {
  width: 44px;
  height: 44px;
  border-radius: var(--ts-radius-md);
  border: 2px solid var(--ts-border-default);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--ts-transition-fast);
  position: relative;
}

.ts-color-swatch-large:hover {
  border-color: var(--ts-accent-primary);
  box-shadow: 0 0 8px var(--ts-glow-primary);
}

.ts-color-swatch-large input[type="color"] {
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  border: none;
  cursor: pointer;
}

/* ============================================
   CONTROL PANEL CONTENT
   ============================================ */
.ts-controls {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--ts-space-lg);
}

/* Custom scrollbar */
.ts-controls::-webkit-scrollbar {
  width: 6px;
}

.ts-controls::-webkit-scrollbar-track {
  background: transparent;
}

.ts-controls::-webkit-scrollbar-thumb {
  background: var(--ts-bg-active);
  border-radius: var(--ts-radius-full);
}

.ts-controls::-webkit-scrollbar-thumb:hover {
  background: var(--ts-text-muted);
}

/* ============================================
   CONTROL GROUPS (Collapsible Sections)
   ============================================ */
.ts-control-group {
  margin-bottom: var(--ts-space-lg);
  background: var(--ts-bg-control);
  border-radius: var(--ts-radius-lg);
  border: 1px solid var(--ts-border-subtle);
  overflow: hidden;
}

.ts-control-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ts-space-md) var(--ts-space-lg);
  cursor: pointer;
  user-select: none;
  transition: background var(--ts-transition-fast);
}

.ts-control-group-header:hover {
  background: var(--ts-bg-hover);
}

.ts-control-group-title {
  font-family: var(--ts-font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ts-text-secondary);
  margin: 0;
}

.ts-control-group-chevron {
  width: 16px;
  height: 16px;
  color: var(--ts-text-muted);
  transition: transform var(--ts-transition-base);
}

.ts-control-group.collapsed .ts-control-group-chevron {
  transform: rotate(-90deg);
}

.ts-control-group-content {
  padding: var(--ts-space-md) var(--ts-space-lg) var(--ts-space-lg);
  display: grid;
  gap: var(--ts-space-lg);
  max-height: 1000px;
  transition: max-height var(--ts-transition-slow),
              padding var(--ts-transition-slow),
              opacity var(--ts-transition-base);
}

.ts-control-group.collapsed .ts-control-group-content {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
  overflow: hidden;
}

/* ============================================
   CONTROL ROW (Label + Input)
   ============================================ */
.ts-control-row {
  display: flex;
  flex-direction: column;
  gap: var(--ts-space-sm);
}

.ts-control-row.inline {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
}

.ts-label {
  font-size: 0.8rem;
  color: var(--ts-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--ts-space-sm);
}

.ts-label-value {
  font-family: var(--ts-font-display);
  font-size: 0.75rem;
  color: var(--ts-accent-primary);
  background: var(--ts-bg-deep);
  padding: 2px 8px;
  border-radius: var(--ts-radius-sm);
  min-width: 48px;
  text-align: center;
}

/* ============================================
   RANGE SLIDER
   ============================================ */
.ts-slider-container {
  position: relative;
  width: 100%;
}

.ts-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: var(--ts-control-height);
  background: transparent;
  cursor: pointer;
  position: relative;
}

.ts-slider:focus {
  outline: none;
}

/* Track */
.ts-slider::-webkit-slider-runnable-track {
  height: 8px;
  background: var(--ts-bg-deep);
  border-radius: var(--ts-radius-sm);
  border: 1px solid var(--ts-border-default);
}

.ts-slider::-moz-range-track {
  height: 8px;
  background: var(--ts-bg-deep);
  border-radius: var(--ts-radius-sm);
  border: 1px solid var(--ts-border-default);
}

/* Progress fill - requires JS to update --progress variable */
.ts-slider-container::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  height: 8px;
  width: calc(var(--progress, 50) * 1%);
  background: linear-gradient(90deg, var(--ts-accent-primary), var(--ts-accent-tertiary));
  border-radius: var(--ts-radius-sm) 0 0 var(--ts-radius-sm);
  pointer-events: none;
  z-index: 1;
}

/* Thumb */
.ts-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--ts-text-primary);
  border: 3px solid var(--ts-bg-panel);
  border-radius: var(--ts-radius-full);
  margin-top: -6px;
  box-shadow:
    0 0 0 2px var(--ts-accent-primary),
    var(--ts-shadow-control);
  transition: transform var(--ts-transition-fast),
              box-shadow var(--ts-transition-fast);
  position: relative;
  z-index: 2;
}

.ts-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--ts-text-primary);
  border: 3px solid var(--ts-bg-panel);
  border-radius: var(--ts-radius-full);
  box-shadow:
    0 0 0 2px var(--ts-accent-primary),
    var(--ts-shadow-control);
  transition: transform var(--ts-transition-fast),
              box-shadow var(--ts-transition-fast);
  position: relative;
  z-index: 2;
}

.ts-slider:hover::-webkit-slider-thumb {
  transform: scale(1.1);
  box-shadow:
    0 0 0 2px var(--ts-accent-primary),
    var(--ts-shadow-glow);
}

.ts-slider:active::-webkit-slider-thumb {
  transform: scale(0.95);
}

/* ============================================
   TOGGLE SWITCH
   ============================================ */
.ts-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  min-height: var(--ts-control-height);
}

.ts-toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ts-toggle-track {
  width: 52px;
  height: 28px;
  background: var(--ts-bg-deep);
  border: 2px solid var(--ts-border-strong);
  border-radius: var(--ts-radius-full);
  position: relative;
  transition: all var(--ts-transition-base);
}

.ts-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--ts-text-muted);
  border-radius: var(--ts-radius-full);
  transition: all var(--ts-transition-base);
  box-shadow: var(--ts-shadow-control);
}

/* Checked state */
.ts-toggle-input:checked + .ts-toggle-track {
  background: var(--ts-accent-primary);
  border-color: var(--ts-accent-primary);
}

.ts-toggle-input:checked + .ts-toggle-track .ts-toggle-thumb {
  left: 27px;
  background: var(--ts-text-primary);
  box-shadow: var(--ts-shadow-glow);
}

/* Focus state */
.ts-toggle-input:focus-visible + .ts-toggle-track {
  outline: 2px solid var(--ts-accent-primary);
  outline-offset: 2px;
}

/* Toggle with label */
.ts-toggle-label {
  margin-left: var(--ts-space-md);
  font-size: 0.85rem;
  color: var(--ts-text-secondary);
}

.ts-toggle-input:checked ~ .ts-toggle-label {
  color: var(--ts-text-primary);
}

/* ============================================
   AUTO-REGENERATE TOGGLE (Special styling)
   ============================================ */
.ts-auto-regen {
  background: var(--ts-bg-control);
  padding: var(--ts-space-md) var(--ts-space-lg);
  border-radius: var(--ts-radius-lg);
  border: 1px solid var(--ts-border-subtle);
  margin-bottom: var(--ts-space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ts-auto-regen .ts-toggle-label {
  margin-left: 0;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Status indicator */
.ts-status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--ts-radius-full);
  background: var(--ts-text-muted);
  margin-right: var(--ts-space-sm);
  transition: all var(--ts-transition-base);
}

.ts-auto-regen.active .ts-status-dot {
  background: var(--ts-accent-primary);
  box-shadow: 0 0 8px var(--ts-glow-primary);
  animation: ts-status-pulse 2s ease-in-out infinite;
}

@keyframes ts-status-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--ts-glow-primary); }
  50% { opacity: 0.6; box-shadow: 0 0 4px var(--ts-glow-primary); }
}

/* ============================================
   BUTTONS
   ============================================ */
.ts-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ts-space-sm);
  min-height: var(--ts-control-height);
  padding: 0 var(--ts-space-lg);
  font-family: var(--ts-font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: none;
  border-radius: var(--ts-radius-md);
  cursor: pointer;
  transition: all var(--ts-transition-fast);
  user-select: none;
  white-space: nowrap;
}

.ts-btn:focus-visible {
  outline: 2px solid var(--ts-accent-primary);
  outline-offset: 2px;
}

/* Primary button */
.ts-btn-primary {
  background: var(--ts-accent-primary);
  color: var(--ts-text-inverse);
}

.ts-btn-primary:hover {
  background: #00e8bb;
  box-shadow: var(--ts-shadow-glow);
}

.ts-btn-primary:active {
  transform: scale(0.98);
}

/* Secondary button */
.ts-btn-secondary {
  background: var(--ts-bg-control);
  color: var(--ts-text-primary);
  border: 1px solid var(--ts-border-default);
}

.ts-btn-secondary:hover {
  background: var(--ts-bg-hover);
  border-color: var(--ts-border-strong);
}

/* Ghost button */
.ts-btn-ghost {
  background: transparent;
  color: var(--ts-text-secondary);
}

.ts-btn-ghost:hover {
  background: var(--ts-bg-hover);
  color: var(--ts-text-primary);
}

/* Icon button */
.ts-btn-icon {
  width: var(--ts-control-height);
  padding: 0;
}

.ts-btn-icon svg {
  width: 18px;
  height: 18px;
}

/* Button sizes */
.ts-btn-sm {
  min-height: 36px;
  padding: 0 var(--ts-space-md);
  font-size: 0.75rem;
}

.ts-btn-lg {
  min-height: 52px;
  padding: 0 var(--ts-space-xl);
  font-size: 0.9rem;
}

/* Full width */
.ts-btn-block {
  width: 100%;
}

/* ============================================
   BUTTON GROUP
   ============================================ */
.ts-btn-group {
  display: flex;
  gap: 1px;
  background: var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  overflow: hidden;
}

.ts-btn-group .ts-btn {
  border-radius: 0;
  flex: 1;
}

.ts-btn-group .ts-btn:first-child {
  border-radius: var(--ts-radius-md) 0 0 var(--ts-radius-md);
}

.ts-btn-group .ts-btn:last-child {
  border-radius: 0 var(--ts-radius-md) var(--ts-radius-md) 0;
}

/* ============================================
   EXPORT BUTTONS
   ============================================ */
.ts-export-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ts-space-sm);
}

.ts-export-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ts-space-xs);
  padding: var(--ts-space-md);
  background: var(--ts-bg-deep);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  color: var(--ts-text-secondary);
  font-family: var(--ts-font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--ts-transition-fast);
  min-height: 64px;
}

.ts-export-btn svg {
  width: 20px;
  height: 20px;
  opacity: 0.7;
  transition: opacity var(--ts-transition-fast);
}

.ts-export-btn:hover {
  background: var(--ts-bg-hover);
  border-color: var(--ts-accent-primary);
  color: var(--ts-text-primary);
}

.ts-export-btn:hover svg {
  opacity: 1;
}

.ts-export-btn:active {
  transform: scale(0.97);
}

/* Export in progress */
.ts-export-btn.exporting {
  pointer-events: none;
  opacity: 0.7;
}

.ts-export-btn.exporting::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top-color: var(--ts-accent-primary);
  border-radius: var(--ts-radius-full);
  animation: ts-spin 0.8s linear infinite;
}

@keyframes ts-spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   SELECT / DROPDOWN
   ============================================ */
.ts-select {
  width: 100%;
  min-height: var(--ts-control-height);
  padding: 0 var(--ts-space-lg);
  padding-right: 40px;
  font-family: var(--ts-font-mono);
  font-size: 0.85rem;
  color: var(--ts-text-primary);
  background: var(--ts-bg-deep);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239898a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: all var(--ts-transition-fast);
}

.ts-select:hover {
  border-color: var(--ts-border-strong);
}

.ts-select:focus {
  outline: none;
  border-color: var(--ts-accent-primary);
  box-shadow: 0 0 0 3px var(--ts-glow-primary);
}

.ts-select option {
  background: var(--ts-bg-panel);
  color: var(--ts-text-primary);
}

/* ============================================
   TEXT INPUT
   ============================================ */
.ts-input {
  width: 100%;
  min-height: var(--ts-control-height);
  padding: 0 var(--ts-space-lg);
  font-family: var(--ts-font-mono);
  font-size: 0.85rem;
  color: var(--ts-text-primary);
  background: var(--ts-bg-deep);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  transition: all var(--ts-transition-fast);
}

.ts-input::placeholder {
  color: var(--ts-text-muted);
}

.ts-input:hover {
  border-color: var(--ts-border-strong);
}

.ts-input:focus {
  outline: none;
  border-color: var(--ts-accent-primary);
  box-shadow: 0 0 0 3px var(--ts-glow-primary);
}

/* ============================================
   COLOR PICKER
   ============================================ */
.ts-color-picker {
  display: flex;
  align-items: center;
  gap: var(--ts-space-sm);
}

.ts-color-swatch {
  width: 36px;
  height: 36px;
  border-radius: var(--ts-radius-md);
  border: 2px solid var(--ts-border-default);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--ts-transition-fast);
}

.ts-color-swatch:hover {
  border-color: var(--ts-accent-primary);
}

.ts-color-swatch input[type="color"] {
  width: 150%;
  height: 150%;
  margin: -25%;
  padding: 0;
  border: none;
  cursor: pointer;
}

.ts-color-value {
  font-family: var(--ts-font-mono);
  font-size: 0.8rem;
  color: var(--ts-text-secondary);
  text-transform: uppercase;
}

/* ============================================
   ACTION BAR (Bottom of panel)
   ============================================ */
.ts-action-bar {
  padding: var(--ts-space-lg);
  background: var(--ts-bg-control);
  border-top: 1px solid var(--ts-border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--ts-space-md);
}

.ts-regenerate-btn {
  width: 100%;
  min-height: 52px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ============================================
   PRESET SELECTOR
   ============================================ */
.ts-preset-row {
  display: flex;
  gap: var(--ts-space-sm);
}

.ts-preset-row .ts-select {
  flex: 1;
}

.ts-preset-row .ts-btn {
  flex-shrink: 0;
}

/* ============================================
   MOBILE STYLES
   ============================================ */
@media (max-width: 900px) {
  .ts-layout {
    flex-direction: column;
  }

  .ts-canvas-area {
    min-width: 100%;
    min-height: 50vh;
  }

  .ts-control-panel {
    width: 100%;
    max-width: none;
    min-width: auto;
    max-height: 50vh;
    border-left: none;
    border-top: 1px solid var(--ts-border-subtle);
  }
}

/* Mobile drawer mode */
@media (max-width: 640px) {
  .ts-layout {
    position: relative;
  }

  .ts-canvas-area {
    min-height: calc(100vh - var(--ts-header-height));
  }

  .ts-control-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 70vh;
    transform: translateY(calc(100% - 60px));
    transition: transform var(--ts-transition-slow);
    z-index: 100;
    border-radius: var(--ts-radius-lg) var(--ts-radius-lg) 0 0;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
  }

  .ts-control-panel.open {
    transform: translateY(0);
  }

  /* Drawer handle */
  .ts-drawer-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--ts-space-md);
    cursor: pointer;
  }

  .ts-drawer-handle::before {
    content: '';
    width: 40px;
    height: 4px;
    background: var(--ts-text-muted);
    border-radius: var(--ts-radius-full);
  }

  .ts-drawer-handle:hover::before {
    background: var(--ts-text-secondary);
  }
}

/* Hide drawer handle on desktop */
@media (min-width: 641px) {
  .ts-drawer-handle {
    display: none;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.ts-hidden { display: none !important; }
.ts-invisible { visibility: hidden; }
.ts-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.ts-text-muted { color: var(--ts-text-muted); }
.ts-text-accent { color: var(--ts-accent-primary); }
.ts-text-warning { color: var(--ts-accent-secondary); }
.ts-text-error { color: var(--ts-accent-danger); }

.ts-mt-sm { margin-top: var(--ts-space-sm); }
.ts-mt-md { margin-top: var(--ts-space-md); }
.ts-mt-lg { margin-top: var(--ts-space-lg); }
.ts-mb-sm { margin-bottom: var(--ts-space-sm); }
.ts-mb-md { margin-bottom: var(--ts-space-md); }
.ts-mb-lg { margin-bottom: var(--ts-space-lg); }

/* ============================================
   ANIMATIONS
   ============================================ */
.ts-fade-in {
  animation: ts-fade-in 0.3s ease-out forwards;
}

@keyframes ts-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.ts-scale-in {
  animation: ts-scale-in 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes ts-scale-in {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* ============================================
   ERROR & LOADING STATES
   ============================================ */
.ts-error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--ts-space-2xl);
  text-align: center;
  color: var(--ts-accent-danger);
}

.ts-error-state svg {
  width: 48px;
  height: 48px;
  margin-bottom: var(--ts-space-lg);
  opacity: 0.7;
}

.ts-error-message {
  font-size: 0.85rem;
  color: var(--ts-text-secondary);
  max-width: 280px;
}

.ts-loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ts-space-lg);
}

.ts-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--ts-bg-active);
  border-top-color: var(--ts-accent-primary);
  border-radius: var(--ts-radius-full);
  animation: ts-spin 0.8s linear infinite;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.ts-toast {
  position: fixed;
  bottom: var(--ts-space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: var(--ts-space-md) var(--ts-space-xl);
  background: var(--ts-bg-panel);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-lg);
  box-shadow: var(--ts-shadow-panel);
  font-size: 0.85rem;
  color: var(--ts-text-primary);
  z-index: 1000;
  opacity: 0;
  transition: all var(--ts-transition-slow);
}

.ts-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.ts-toast.success {
  border-color: var(--ts-accent-primary);
}

.ts-toast.error {
  border-color: var(--ts-accent-danger);
}

/* ============================================
   LEGACY SUPPORT
   ============================================ */
/* Support for existing p5.js canvas pages that use #controls and #canvas-container
   These styles enable sticky canvas + scrollable controls on legacy pages */

/* Legacy layout container (when body is the flex parent) */
#canvas-container {
  flex: 1;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ts-bg-base);
  position: relative;
  overflow: hidden;
  padding: var(--ts-space-xl);
}

#canvas-container canvas {
  max-width: 100%;
  max-height: 100%;
  box-shadow:
    0 0 0 1px var(--ts-border-subtle),
    0 20px 60px rgba(0, 0, 0, 0.5);
}

#controls {
  width: var(--ts-panel-width);
  max-width: var(--ts-panel-max-width);
  min-width: 280px;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
  background: var(--ts-bg-panel);
  border-left: 1px solid var(--ts-border-subtle);
  padding: var(--ts-space-lg);
  font-family: var(--ts-font-mono);
  color: var(--ts-text-primary);
}

/* Custom scrollbar for controls */
#controls::-webkit-scrollbar {
  width: 6px;
}

#controls::-webkit-scrollbar-track {
  background: transparent;
}

#controls::-webkit-scrollbar-thumb {
  background: var(--ts-bg-active);
  border-radius: var(--ts-radius-full);
}

#controls::-webkit-scrollbar-thumb:hover {
  background: var(--ts-text-muted);
}

#controls h3 {
  font-family: var(--ts-font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ts-text-secondary);
  margin: var(--ts-space-lg) 0 var(--ts-space-md);
  padding-bottom: var(--ts-space-sm);
  border-bottom: 1px solid var(--ts-border-subtle);
}

#controls h3:first-child {
  margin-top: 0;
}

#controls label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ts-space-md);
  font-size: 0.8rem;
  color: var(--ts-text-secondary);
}

#controls input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: var(--ts-bg-deep);
  border-radius: var(--ts-radius-sm);
  border: 1px solid var(--ts-border-default);
  margin-top: var(--ts-space-sm);
}

#controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--ts-text-primary);
  border-radius: var(--ts-radius-full);
  border: 2px solid var(--ts-accent-primary);
  cursor: pointer;
  box-shadow: var(--ts-shadow-control);
}

#controls input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--ts-accent-primary);
}

#controls button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--ts-control-height);
  padding: 0 var(--ts-space-lg);
  margin: var(--ts-space-xs);
  font-family: var(--ts-font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ts-text-inverse);
  background: var(--ts-accent-primary);
  border: none;
  border-radius: var(--ts-radius-md);
  cursor: pointer;
  transition: all var(--ts-transition-fast);
}

#controls button:hover {
  background: #00e8bb;
  box-shadow: var(--ts-shadow-glow);
}

#controls button:active {
  transform: scale(0.98);
}

/* Style select elements in legacy controls */
#controls select {
  width: 100%;
  min-height: var(--ts-control-height);
  padding: 0 var(--ts-space-md);
  font-family: var(--ts-font-mono);
  font-size: 0.85rem;
  color: var(--ts-text-primary);
  background: var(--ts-bg-deep);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
}

/* ============================================
   BACK LINK (Navigation to Index)
   ============================================ */
body .back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--ts-space-sm);
  position: fixed !important;
  top: var(--ts-space-lg) !important;
  left: var(--ts-space-lg) !important;
  z-index: 70;
  margin: 0 !important;
  padding: 0.55rem 0.8rem;
  width: auto !important;
  max-width: max-content;
  white-space: nowrap;
  color: var(--ts-text-secondary);
  background: color-mix(in srgb, var(--ts-bg-control) 86%, transparent);
  border: 1px solid var(--ts-border-default);
  border-radius: 999px;
  box-shadow: var(--ts-shadow-md);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--ts-transition-fast), border-color var(--ts-transition-fast), transform var(--ts-transition-fast);
}

body .back-link:hover {
  color: var(--ts-accent-primary);
  border-color: var(--ts-accent-primary);
  transform: translateY(-1px);
}

body .back-link::before {
  content: '←';
  font-size: 0.85rem;
}

/* ============================================
   DISCOVERY PANEL (Algorithm Pages)
   ============================================ */
.ts-discovery-panel {
  margin: var(--ts-space-lg) 0;
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    var(--ts-bg-control);
  overflow: hidden;
}

.ts-discovery-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ts-space-md);
  padding: var(--ts-space-md) var(--ts-space-lg);
  cursor: pointer;
  list-style: none;
}

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

.ts-discovery-summary-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ts-discovery-summary-kicker {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ts-text-muted);
}

.ts-discovery-summary-title {
  font-size: 0.88rem;
  color: var(--ts-text-primary);
  font-weight: 600;
}

.ts-discovery-summary-action {
  font-size: 0.7rem;
  color: var(--ts-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ts-discovery-panel-body {
  padding: 0 var(--ts-space-lg) var(--ts-space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--ts-space-md);
}

.ts-discovery-hero {
  min-height: 82px;
  border-radius: var(--ts-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--ts-space-sm);
  padding: var(--ts-space-md);
}

.ts-discovery-hero-pill,
.ts-discovery-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.74);
  color: var(--ts-bg-deep);
}

.ts-discovery-copy {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ts-text-secondary);
}

.ts-discovery-badges,
.ts-discovery-trails,
.ts-discovery-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ts-space-sm);
}

.ts-discovery-trail {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.65rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ts-text-primary);
  border: 1px solid var(--ts-border-default);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.7rem;
}

.ts-discovery-trail span {
  color: var(--ts-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.62rem;
}

.ts-discovery-trail strong {
  font-weight: 600;
}

.ts-discovery-trail:hover,
.ts-discovery-browser-link:hover,
.ts-discovery-card:hover {
  border-color: var(--ts-accent-primary);
  color: var(--ts-accent-primary);
}

.ts-discovery-grid {
  display: grid;
  gap: var(--ts-space-sm);
}

.ts-discovery-card {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: var(--ts-space-md);
  align-items: stretch;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.ts-discovery-card-swatch {
  min-height: 100%;
  background-color: var(--ts-bg-hover);
}

.ts-discovery-card-body {
  padding: var(--ts-space-md) var(--ts-space-md) var(--ts-space-md) 0;
  display: flex;
  flex-direction: column;
  gap: var(--ts-space-sm);
}

.ts-discovery-card-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ts-text-primary);
}

.ts-discovery-card-copy {
  font-size: 0.68rem;
  line-height: 1.5;
  color: var(--ts-text-secondary);
}

.ts-discovery-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.ts-discovery-card .ts-discovery-badge {
  min-height: 20px;
  padding: 0 0.45rem;
  font-size: 0.56rem;
  background: rgba(255, 255, 255, 0.1);
  color: var(--ts-text-primary);
}

.ts-discovery-browser-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0.85rem;
  border-radius: var(--ts-radius-md);
  text-decoration: none;
  color: var(--ts-text-primary);
  border: 1px solid var(--ts-border-default);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

  .ts-discovery-card-swatch {
    min-height: 72px;
  }

  .ts-discovery-card-body {
    padding: 0 var(--ts-space-md) var(--ts-space-md);
  }
}

/* ============================================
   PANEL CONTROLLER
   Toggle button and collapsed state styles
   ============================================ */

/* Panel toggle button */
.ts-panel-toggle {
  position: absolute;
  top: var(--ts-space-lg);
  right: var(--ts-space-lg);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--ts-space-sm);
  padding: var(--ts-space-sm) var(--ts-space-md);
  background: var(--ts-bg-control);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  color: var(--ts-text-secondary);
  font-family: var(--ts-font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--ts-transition-base);
}

.ts-panel-toggle:hover {
  background: var(--ts-bg-hover);
  color: var(--ts-text-primary);
  border-color: var(--ts-border-strong);
}

.ts-panel-toggle:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--ts-glow-primary);
}

.ts-panel-toggle-icon {
  display: flex;
  align-items: center;
  transition: transform var(--ts-transition-base);
}

.ts-panel-toggle.collapsed .ts-panel-toggle-icon {
  transform: rotate(180deg);
}

/* Panel collapsed state */
body.ts-panel-collapsed #controls,
body.ts-panel-collapsed .ts-control-panel {
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
}

body.ts-panel-collapsed #canvas-container,
body.ts-panel-collapsed .ts-canvas-area {
  flex: 1;
  max-width: 100%;
}

#controls.ts-collapsed {
  transform: translateX(100%);
  opacity: 0;
  pointer-events: none;
}

/* Smooth transition for panel collapse */
#controls {
  transition: transform var(--ts-transition-slow),
              opacity var(--ts-transition-slow);
}

/* ============================================
   STATS DISPLAY
   Dan Catt-style header bar at top of viewport
   ============================================ */

.ts-stats-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ts-space-xl);
  background: var(--ts-bg-panel);
  border-bottom: 1px solid var(--ts-border-default);
  z-index: 100;
  font-family: var(--ts-font-mono);
  font-size: 0.75rem;
}

/* Offset body content when stats bar is present */
body:has(.ts-stats-bar:not(.hidden)) {
  padding-top: 32px;
}

body:has(.ts-stats-bar:not(.hidden)) #canvas-container,
body:has(.ts-stats-bar:not(.hidden)) #controls {
  height: calc(100vh - 32px);
}

.ts-stats-bar.hidden {
  display: none;
}

.ts-stats-item {
  display: flex;
  align-items: center;
  gap: var(--ts-space-sm);
}

.ts-stats-label {
  color: var(--ts-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ts-stats-label::after {
  content: ':';
  margin-right: 0.25em;
}

.ts-stats-value {
  color: var(--ts-accent-primary);
  font-weight: 500;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .ts-panel-toggle,
  .ts-panel-toggle-icon,
  #controls {
    transition: none;
  }
}

/* ============================================
   DAT.GUI FLOATING MODE
   When using TSGui/dat.gui instead of sidebar
   ============================================ */

/* Full-canvas mode (no sidebar) */
body.ts-datgui-mode {
  display: block;
}

body.ts-datgui-mode #controls {
  display: none;
}

body.ts-datgui-mode #canvas-container {
  width: 100vw;
  height: 100vh;
  padding: 60px;
}

/* Paper-like canvas appearance */
body.ts-datgui-mode #canvas-container canvas,
.ts-paper-canvas {
  background: white;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.05),
    0 8px 32px rgba(0, 0, 0, 0.15),
    0 16px 48px rgba(0, 0, 0, 0.1);
  border-radius: 2px;
}

/* Canvas container for floating GUI mode */
.ts-canvas-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 50%, rgba(0, 212, 170, 0.03) 0%, transparent 60%),
    var(--ts-bg-deep);
  padding: 60px;
}

.ts-canvas-fullscreen canvas {
  max-width: calc(100vw - 120px);
  max-height: calc(100vh - 120px);
  background: white;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.05),
    0 8px 32px rgba(0, 0, 0, 0.15),
    0 16px 48px rgba(0, 0, 0, 0.1);
}

/* Stats bar offset for dat.gui mode */
body.ts-datgui-mode:has(.ts-stats-bar:not(.hidden)) #canvas-container {
  height: calc(100vh - 32px);
  padding-top: 44px;
}

/* Info bar (Dan Catt style warning/info text) */
.ts-info-bar {
  position: fixed;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--ts-text-secondary);
  font-family: var(--ts-font-mono);
  font-size: 11px;
  border-radius: var(--ts-radius-md);
  z-index: 50;
  max-width: 400px;
  text-align: center;
}

/* Paper size indicator */
.ts-paper-indicator {
  position: fixed;
  bottom: 20px;
  left: 20px;
  padding: 8px 12px;
  background: var(--ts-bg-panel);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  font-family: var(--ts-font-mono);
  font-size: 11px;
  color: var(--ts-text-muted);
  z-index: 50;
}

.ts-paper-indicator .ts-paper-size {
  color: var(--ts-accent-primary);
  font-weight: 500;
}

/* Keyboard shortcut hints */
.ts-shortcuts-hint {
  position: fixed;
  bottom: 20px;
  right: 320px;
  padding: 8px 12px;
  background: var(--ts-bg-panel);
  border: 1px solid var(--ts-border-default);
  border-radius: var(--ts-radius-md);
  font-family: var(--ts-font-mono);
  font-size: 10px;
  color: var(--ts-text-muted);
  z-index: 50;
  opacity: 0.7;
  transition: opacity var(--ts-transition-base);
}

.ts-shortcuts-hint:hover {
  opacity: 1;
}

.ts-shortcuts-hint kbd {
  display: inline-block;
  padding: 2px 6px;
  background: var(--ts-bg-deep);
  border: 1px solid var(--ts-border-default);
  border-radius: 3px;
  font-size: 10px;
  margin: 0 2px;
}