/* 
 * StylusFlow - Modern Collaborative Stylus Whiteboard
 * Design System & Aesthetics
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Color Palette */
  --bg-app: #0f172a;
  --surface-dock: rgba(15, 23, 42, 0.82);
  --surface-dock-border: rgba(255, 255, 255, 0.12);
  --surface-popover: rgba(30, 41, 59, 0.95);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent-primary: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.35);
  --accent-secondary: #06b6d4;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  
  /* Canvas Background Defaults */
  --canvas-bg: #ffffff;
  --canvas-grid-line: #e2e8f0;
  --canvas-dot: #cbd5e1;
  
  --shadow-dock: 0 20px 40px -10px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
  --shadow-popover: 0 24px 48px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.15);
  --radius-dock: 20px;
  --radius-btn: 12px;
  --radius-pill: 9999px;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-app);
  font-family: var(--font-main);
  color: var(--text-main);
  touch-action: none;
  -webkit-font-smoothing: antialiased;
}

/* Main App Wrapper */
#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background: #f1f5f9;
}

/* Canvas Viewport */
#canvas-viewport {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: crosshair;
  touch-action: none;
}

/* Canvas Layers */
.canvas-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

#bg-canvas {
  z-index: 1;
}

#main-canvas {
  z-index: 2;
}

#active-canvas {
  z-index: 3;
  pointer-events: none;
}

#overlay-canvas {
  z-index: 4;
  pointer-events: none;
}

/* Top Navigation Bar */
.top-bar {
  position: absolute;
  top: 14px;
  left: 16px;
  right: 16px;
  height: 54px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.top-bar-left,
.top-bar-center,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
}

/* Glassmorphism Bar Containers */
.glass-panel {
  background: var(--surface-dock);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--surface-dock-border);
  box-shadow: var(--shadow-dock);
  border-radius: var(--radius-dock);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Brand Logo */
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: #fff;
  padding: 4px 6px;
}

.brand-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, #3b82f6, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.brand span.badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(59, 130, 246, 0.25);
  color: #60a5fa;
  padding: 2px 6px;
  border-radius: 6px;
  border: 1px solid rgba(96, 165, 250, 0.3);
  text-transform: uppercase;
}

/* Room Indicator */
.room-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: var(--transition-fast);
}

.room-badge:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.room-badge strong {
  color: #fff;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
}

/* Status Indicator */
.status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 4px 8px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-success);
  box-shadow: 0 0 10px var(--accent-success);
  transition: background-color 0.3s;
}

.status-dot.connecting {
  background-color: var(--accent-warning);
  box-shadow: 0 0 10px var(--accent-warning);
}

.status-dot.offline {
  background-color: var(--accent-danger);
  box-shadow: 0 0 10px var(--accent-danger);
}

/* Pressure HUD Widget */
.pressure-hud {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  padding: 4px 8px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.pressure-bar-wrap {
  width: 50px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.pressure-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
  transition: width 0.06s linear;
}

/* Participants Avatar Stack */
.participants-stack {
  display: flex;
  align-items: center;
  margin-left: 4px;
}

.avatar-bubble {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: white;
  border: 2px solid var(--surface-dock);
  margin-left: -8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: transform 0.2s;
}

.avatar-bubble:first-child {
  margin-left: 0;
}

.avatar-bubble:hover {
  transform: translateY(-2px) scale(1.1);
  z-index: 10;
}

/* Interactive Top Bar Buttons */
.icon-btn {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  position: relative;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.icon-btn:active {
  transform: scale(0.94);
}

.icon-btn.active {
  background: var(--accent-primary);
  color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
}

/* Stylus Mode Toggle Pill */
.stylus-mode-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: var(--transition-fast);
}

.stylus-mode-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.stylus-mode-btn.stylus-only {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34d399;
}

/* Floating Bottom Stylus Dock */
.dock-container {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}

.main-dock {
  background: var(--surface-dock);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--surface-dock-border);
  box-shadow: var(--shadow-dock);
  border-radius: 24px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  pointer-events: auto;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.dock-divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 4px;
}

/* Tool Buttons in Dock */
.tool-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-btn);
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 4px;
}

.tool-btn svg {
  width: 22px;
  height: 22px;
  transition: transform 0.2s;
}

.tool-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.tool-btn:hover svg {
  transform: scale(1.1);
}

.tool-btn:active {
  transform: scale(0.92);
}

.tool-btn.active {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.tool-btn.active::after {
  content: '';
  position: absolute;
  bottom: 3px;
  width: 14px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary);
}

/* Color Circle Swatches */
.color-swatch-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  position: relative;
}

.color-swatch-btn:hover {
  transform: scale(1.15);
}

.color-swatch-btn.active {
  transform: scale(1.2);
  border-color: #fff;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
}

/* Custom Color Input */
.color-picker-wrapper {
  position: relative;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  overflow: hidden;
  cursor: pointer;
  background: conic-gradient(red, yellow, lime, aqua, blue, magenta, red);
  border: 2px solid rgba(255, 255, 255, 0.3);
  transition: transform 0.2s;
}

.color-picker-wrapper:hover {
  transform: scale(1.15);
}

.color-picker-wrapper input[type="color"] {
  position: absolute;
  top: -10px;
  left: -10px;
  width: 50px;
  height: 50px;
  opacity: 0;
  cursor: pointer;
}

/* Stroke Size Indicator Button */
.size-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.size-preview-dot {
  background-color: #fff;
  border-radius: 50%;
  transition: width 0.2s, height 0.2s, background-color 0.2s;
}

/* Sub-dock Popover (Settings / Size Slider / Shapes / Backgrounds) */
.popover-panel {
  position: absolute;
  bottom: 85px;
  background: var(--surface-popover);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--surface-dock-border);
  box-shadow: var(--shadow-popover);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 280px;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 120;
}

.popover-panel.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.popover-header {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.popover-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  font-weight: 500;
}

.slider-styled {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  outline: none;
}

.slider-styled::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-glow);
  cursor: pointer;
  border: 2px solid #fff;
  transition: transform 0.15s;
}

.slider-styled::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  box-shadow: var(--shadow-popover);
  width: 90%;
  max-width: 440px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transform: translateY(20px) scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-box {
  transform: translateY(0) scale(1);
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-body {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
  transition: var(--transition-fast);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
  transition: var(--transition-fast);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 18px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

/* QR Code Container in Share Modal */
#qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: #fff;
  border-radius: 14px;
  margin: 10px 0;
}

#qr-container svg, #qr-container canvas {
  width: 180px;
  height: 180px;
}

.share-link-input-group {
  display: flex;
  gap: 8px;
  width: 100%;
}

.share-link-input {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  padding: 8px 12px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  outline: none;
}

/* Laser Pointer Effect */
.laser-dot {
  position: absolute;
  width: 14px;
  height: 14px;
  background: radial-gradient(circle, #ff0055 30%, rgba(255,0,85,0.4) 70%, transparent 100%);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  animation: laserPulse 0.4s infinite alternate;
  z-index: 99;
}

@keyframes laserPulse {
  0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(1.3); opacity: 1; }
}

/* Remote Stylus Cursor */
.remote-cursor {
  position: absolute;
  pointer-events: none;
  z-index: 90;
  transition: transform 0.05s linear;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.remote-cursor-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid white;
  box-shadow: 0 0 8px rgba(0,0,0,0.4);
}

.remote-cursor-label {
  margin-top: 4px;
  margin-left: 8px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 86px;
  right: 24px;
  z-index: 210;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: var(--surface-popover);
  backdrop-filter: blur(16px);
  border: 1px solid var(--surface-dock-border);
  color: #fff;
  padding: 10px 16px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-popover);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInToast {
  0% { transform: translateY(20px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}

/* Responsive queries */
@media (max-width: 768px) {
  .top-bar {
    top: 8px;
    left: 8px;
    right: 8px;
    height: 48px;
  }
  .brand span.badge, .pressure-hud {
    display: none;
  }
  .dock-container {
    bottom: 12px;
  }
  .main-dock {
    padding: 6px 10px;
    gap: 4px;
  }
  .tool-btn {
    width: 38px;
    height: 38px;
  }
  .color-swatch-btn {
    width: 24px;
    height: 24px;
  }
}

/* ========================================================
   Canvas Management & Pattern Gallery Styles
   ======================================================== */

.modal-box-wide {
  max-width: 760px;
  width: 94%;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}

.modal-scroll-body {
  overflow-y: auto;
  padding-right: 6px;
  max-height: 60vh;
}

.modal-scroll-body::-webkit-scrollbar {
  width: 6px;
}
.modal-scroll-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

/* Top bar canvas manager pill button */
.canvas-mgr-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #60a5fa;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.canvas-mgr-btn:hover {
  background: rgba(59, 130, 246, 0.25);
  color: #fff;
  transform: translateY(-1px);
}

/* Search bar & controls inside Canvas Manager */
.canvas-mgr-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input-wrap {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-input-wrap input {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 8px 12px 8px 36px;
  color: #fff;
  font-size: 0.88rem;
  outline: none;
}

.search-input-wrap input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-glow);
}

.search-input-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

/* Canvas Cards Grid */
.canvas-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.canvas-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-fast);
  position: relative;
}

.canvas-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.3);
}

.canvas-card.active-card {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.25);
}

.canvas-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.canvas-pattern-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.active-pill {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #34d399;
  background: rgba(16, 185, 129, 0.2);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.canvas-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.canvas-card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 14px;
}

.canvas-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 10px;
}

.btn-card-action {
  flex: 1;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-card-action:hover {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #fff;
}

.btn-card-icon {
  background: transparent;
  border: none;
  color: var(--text-dim);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-card-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn-card-icon.delete-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

/* ========================================================
   Pattern Gallery Selector Cards
   ======================================================== */

.pattern-grid-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.pattern-card {
  background: rgba(255, 255, 255, 0.04);
  border: 2px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.pattern-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.pattern-card.active {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.15);
  box-shadow: 0 0 14px rgba(59, 130, 246, 0.35);
}

.pattern-mini-preview {
  width: 100%;
  height: 64px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.pattern-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
}

.pattern-desc {
  font-size: 0.68rem;
  color: var(--text-dim);
}

.pattern-settings-panel {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}