/* ==========================================================================
   UI Prompt Hub - Modern Design System & Component Styles
   ========================================================================== */

:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-card-hover: rgba(26, 36, 56, 0.85);
  --bg-canvas: #060911;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(99, 102, 241, 0.4);
  --border-focus: rgba(99, 102, 241, 0.8);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.35);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.3);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --bg-canvas: #f1f5f9;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(99, 102, 241, 0.5);
  --border-focus: #6366f1;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.2);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Ambient Background Lights */
.ambient-glow {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 600px;
  background: 
    radial-gradient(circle at 20% -10%, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
    radial-gradient(circle at 80% 10%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 50% 25%, rgba(236, 72, 153, 0.06) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* ==========================================================================
   Header & Top Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 13, 22, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.85);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
  color: #ffffff;
}

.brand-text-col {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  background: linear-gradient(90deg, #ffffff 40%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .brand-title {
  background: linear-gradient(90deg, #0f172a 40%, #4338ca 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tagline {
  font-size: 11px;
  color: var(--text-muted);
}

/* Header Search */
.header-search-wrap {
  flex: 1;
  max-width: 440px;
  position: relative;
}

.search-input-box {
  display: flex;
  align-items: center;
  width: 100%;
  height: 40px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

[data-theme="light"] .search-input-box {
  background: #f1f5f9;
}

.search-input-box:focus-within {
  border-color: var(--accent-primary);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-icon {
  color: var(--text-muted);
  margin-right: 8px;
}

.search-main-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 13.5px;
  color: var(--text-primary);
}

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

.search-clear-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  display: none;
  padding: 0 4px;
}

.search-clear-btn:hover { color: var(--text-primary); }

.search-kbd-hint {
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: inherit;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hdr-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.hdr-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.hdr-btn.accent {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  border: none;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.hdr-btn.accent:hover {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.hdr-icon-only {
  width: 38px;
  height: 38px;
  padding: 0;
  justify-content: center;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 24px 20px 24px;
  position: relative;
  z-index: 1;
}

.hero-content {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  font-size: 12.5px;
  font-weight: 500;
  color: #a5b4fc;
  margin-bottom: 20px;
}

.badge-sparkle {
  color: #818cf8;
}

.hero-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #a855f7 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* Hero Stats Row */
.hero-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
}

.stat-chip strong {
  color: var(--text-primary);
  font-weight: 700;
}

/* ==========================================================================
   Filter & Toolbar Navigation
   ========================================================================== */
.filter-nav-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 24px 20px 24px;
  position: sticky;
  top: 65px;
  z-index: 90;
  background: rgba(9, 13, 22, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

[data-theme="light"] .filter-nav-section {
  background: rgba(248, 250, 252, 0.85);
}

.categories-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}
.categories-bar::-webkit-scrollbar { display: none; }

.cat-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.cat-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.cat-tab-btn.is-active {
  background: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 600;
  border-color: var(--text-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .cat-tab-btn.is-active {
  background: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
}

.cat-count {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.1);
  color: inherit;
}

.cat-tab-btn.is-active .cat-count {
  background: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .cat-tab-btn.is-active .cat-count {
  background: rgba(255, 255, 255, 0.2);
}

/* Secondary Style Filter Pills & Control Row */
.subfilter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
  flex-wrap: wrap;
  gap: 12px;
}

.style-pills-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.style-pill-btn {
  font-size: 12px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.style-pill-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.style-pill-btn.is-active {
  color: #818cf8;
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

.quick-toolbar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sort-select-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--text-muted);
}

.sort-select-ctrl {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12.5px;
  padding: 4px 8px;
  outline: none;
  cursor: pointer;
}

.sort-select-ctrl option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.fav-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 12.5px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.fav-filter-toggle:hover {
  color: var(--text-primary);
}

.fav-filter-toggle.is-active {
  color: #f43f5e;
  border-color: rgba(244, 63, 94, 0.4);
  background: rgba(244, 63, 94, 0.1);
}

/* ==========================================================================
   Component Cards Grid
   ========================================================================== */
.components-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.results-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: 13.5px;
}

.results-count-bold {
  color: var(--text-primary);
  font-weight: 700;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 350px), 1fr));
  gap: 24px;
}

@media (max-width: 640px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }
}

/* Single Component Card */
.component-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

.component-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

/* Card Header */
.card-header {
  padding: 16px 20px 12px 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.card-title-col {
  flex: 1;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  line-height: 1.4;
}

.card-meta-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.pill-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 6px;
}

.pill-category {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
}

.pill-style {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
}

.card-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-icon-action {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.card-icon-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.card-icon-action.is-fav {
  color: #f43f5e;
}

/* Card Interactive Canvas */
.card-canvas {
  padding: 36px 20px;
  min-height: 160px;
  background: var(--bg-canvas);
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 16px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: visible;
}

[data-theme="light"] .card-canvas {
  background-image: 
    radial-gradient(rgba(0, 0, 0, 0.06) 1px, transparent 1px);
}

.canvas-interactive-hint {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 10.5px;
  color: var(--text-muted);
  pointer-events: none;
  opacity: 0.6;
}

/* Card Quick Prompt Action Bar */
.card-quick-actions {
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.btn-copy-prompt {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  color: #ffffff;
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
  transition: all var(--transition-fast);
}

.btn-copy-prompt:hover {
  background: linear-gradient(135deg, #4338ca 0%, #4f46e5 100%);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.btn-copy-prompt:active {
  transform: scale(0.98);
}

.btn-card-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 36px;
  padding: 0 12px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-card-toggle:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* Card Collapsible Details Drawer */
.card-details-drawer {
  display: none;
  border-top: 1px solid var(--border-subtle);
  background: rgba(10, 14, 23, 0.95);
  padding: 16px 20px;
}

[data-theme="light"] .card-details-drawer {
  background: #f8fafc;
}

.card-details-drawer.is-open {
  display: block;
  animation: slideDown 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.drawer-tabs-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.drawer-tab {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.drawer-tab:hover {
  color: var(--text-primary);
}

.drawer-tab.is-active {
  color: #818cf8;
  background: rgba(99, 102, 241, 0.12);
  font-weight: 600;
}

.drawer-tab-content {
  display: none;
}

.drawer-tab-content.is-active {
  display: block;
}

/* Prompt Block Display */
.prompt-display-block {
  position: relative;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
}

[data-theme="light"] .prompt-display-block {
  background: #ffffff;
}

.prompt-text-pre {
  font-family: var(--font-sans);
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 220px;
  overflow-y: auto;
}

.prompt-copy-floating {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 10px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.prompt-copy-floating:hover {
  background: var(--accent-primary);
  color: #ffffff;
}

/* Code Snippet Pre Block */
.code-pre-block {
  position: relative;
  background: #060911;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px;
  max-height: 220px;
  overflow-y: auto;
}

.code-pre-block code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #38bdf8;
  white-space: pre-wrap;
}

.specs-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.spec-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 7px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  color: var(--accent-cyan);
}

/* ==========================================================================
   Prompt Studio Modal (提示词工坊)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-container {
  width: 100%;
  max-width: 680px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.is-open .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
}

.modal-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
  padding: 2px;
}
.modal-close-btn:hover { color: var(--text-primary); }

.modal-body {
  padding: 24px;
  max-height: 75vh;
  overflow-y: auto;
}

.studio-grid-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.studio-grid-form > .studio-field-item:last-child { grid-column: 1 / -1; }

@media (max-width: 580px) {
  .studio-grid-form { grid-template-columns: 1fr; }
}

.studio-field-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.studio-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.studio-select, .studio-input {
  height: 38px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
}

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

.studio-result-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  position: relative;
}

[data-theme="light"] .studio-result-box {
  background: #f1f5f9;
}

.studio-result-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre-wrap;
  max-height: 200px;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ==========================================================================
   Fullscreen Sandbox Modal
   ========================================================================== */
.sandbox-canvas-wrap {
  min-height: 260px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
  transition: background 0.3s ease;
}

.sandbox-bg-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.sandbox-bg-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
}
.sandbox-bg-btn.is-active {
  border-color: #6366f1;
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.app-toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  color: #ffffff;
  font-size: 13.5px;
  animation: toastPop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transition: all 0.25s ease;
}

@keyframes toastPop {
  from { opacity: 0; transform: translateY(16px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.toast-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast-icon.success {
  background: #10b981;
  color: #ffffff;
}

.toast-icon.info {
  background: #6366f1;
  color: #ffffff;
}

/* Empty State */
.empty-state-card {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-xl);
}

.empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.empty-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  max-width: 1400px;
  margin: 60px auto 30px auto;
  padding: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 12.5px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Compact gallery: previews first, documentation on demand. */
:root { --font-sans: "Segoe UI", "Microsoft YaHei", sans-serif; }
button, input, select, textarea { font-family:inherit; }
button:focus-visible, a:focus-visible, select:focus-visible, summary:focus-visible { outline:2px solid #9aabff; outline-offset:3px; }
[hidden] { display:none !important; }
.brand-tagline { font-size:11px; }
.hero-section { display:flex; justify-content:space-between; align-items:center; gap:24px; padding:42px 24px 34px; }
.hero-content { text-align:left; margin:0; }
.hero-eyebrow { display:flex; align-items:center; gap:8px; font:10px var(--font-mono); letter-spacing:2px; color:var(--text-secondary); margin-bottom:14px; }
.hero-eyebrow > span { width:6px; height:6px; background:#83d6b3; border-radius:50%; box-shadow:0 0 12px #83d6b340; }
.hero-title { font-size:34px; letter-spacing:-1px; margin-bottom:10px; }
.hero-title .gradient-text { background:none; -webkit-text-fill-color:var(--text-secondary); }
.hero-desc { font-size:13px; margin-bottom:0; }
.hero-stats-row { gap:25px; flex-wrap:nowrap; }
.stat-chip { flex-direction:column; align-items:flex-start; border:0; border-radius:0; padding:0 0 0 23px; border-left:1px solid var(--border-subtle); background:none; font-size:11px; gap:3px; }
.stat-chip strong { font:22px var(--font-mono); white-space:nowrap; }
.filter-nav-section { padding-top:14px; padding-bottom:14px; }
.cat-tab-btn { padding:8px 15px; font-size:13px; }
.subfilter-bar { gap:16px; flex-wrap:wrap; }
.style-pills-row { gap:4px; flex-wrap:wrap; }
.style-pill-btn { padding:6px 10px; font-size:12px; }
.quick-toolbar-row { margin-left:auto; }
.style-pill-btn.is-active { background:rgba(129,140,248,.14); color:#b6bdff; border-color:rgba(129,140,248,.3); }
[data-theme="light"] .style-pill-btn.is-active { color:#4338ca; }
.components-section { padding-top:19px; }
.results-meta-row { font-size:12px; margin-bottom:15px; }
#activeFilterTagsSummary { background:none; border:0; cursor:pointer; color:var(--text-secondary); font-size:12px; }
.cards-grid { gap:18px; align-items:start; }
.component-card:hover { transform:none; box-shadow:var(--shadow-sm); }
.card-header { padding:14px 16px; min-height:75px; align-items:center; }
.card-style-switcher { display:flex; align-items:center; gap:8px; padding:9px 16px; border-bottom:1px solid var(--border-subtle); }
.card-style-dot { width:24px; height:24px; border:1px solid transparent; border-radius:50%; background:none; display:grid; place-items:center; cursor:pointer; }
.card-style-dot span { width:13px; height:13px; border-radius:50%; background:#7b8394; border:1px solid #ffffff38; }
.card-style-dot[data-style="glow"] span { background:linear-gradient(135deg,#debcff,#7849d9); }
.card-style-dot[data-style="glass"] span { background:linear-gradient(135deg,#9bc7d57a,#2f6983); }
.card-style-dot[data-style="3d"] span { background:linear-gradient(135deg,#fff,#8496b1); box-shadow:1px 2px 0 #60708b; }
.card-style-dot[data-style="apple"] span { background:#f4f6fa; }
.card-style-dot[data-style="neobrutalism"] span { background:#f9df65; border-radius:2px; border:1px solid #222; }
.card-style-dot[data-style="cyber"] span { background:#33d6b1; border-radius:2px; }
.card-style-dot.is-active { border-color:var(--text-secondary); background:var(--border-subtle); }
.card-style-dot:hover { background:var(--border-subtle); }
.card-style-count { margin-left:auto; color:var(--text-muted); font:10px var(--font-mono); }
.variant-preview { display:flex; align-items:center; justify-content:center; width:100%; min-width:0; }
.variant-preview > * { max-width:100%; }
.variant-preview :is(input,textarea,select) { min-width:0; }
.variant-preview .c-otp-box-row { gap:6px; }
.variant-preview .otp-cell { width:36px; min-width:0; }
.variant-preview .c-step-wizard-bar { min-width:0; }
.card-title-col { min-width:0; }
.card-title { font-size:13px; font-weight:600; line-height:1.5; }
.pill-style { font-size:10px; padding:0; background:none; color:var(--text-muted); }
.card-canvas { min-height:205px; padding:30px 20px; color:#f1f5f9; background-color:#0c111c; }
.card-canvas > * { max-width:100%; }
.component-card[data-style="glass"] .card-canvas { background-image:radial-gradient(ellipse at 15% 20%,#2d5979 0,transparent 65%),radial-gradient(ellipse at 90% 90%,#423665 0,transparent 70%); background-size:100% 100%; background-repeat:no-repeat; }
.component-card[data-style="3d"] .card-canvas { background:#dce3ec; color:#253349; }
.component-card[data-style="apple"] .card-canvas { background:#eef0f4; color:#222; }
.component-card[data-style="neobrutalism"] .card-canvas { background-color:#e6e0d5; background-image:radial-gradient(#aaa392 1px,transparent 1px); }
.component-card[data-style="cyber"] .card-canvas { background-color:#06171c; background-image:linear-gradient(#1e7a7512 1px,transparent 1px),linear-gradient(90deg,#1e7a7512 1px,transparent 1px); background-size:22px 22px; }
.component-card[data-style="glow"] .card-canvas { background:radial-gradient(ellipse at 50% 100%,#2e2050,#0d1120 75%); }
[data-theme="light"] .card-canvas { background-color:#101725; }
[data-theme="light"] .component-card[data-style="3d"] .card-canvas { background:#dce3ec; }
[data-theme="light"] .component-card[data-style="apple"] .card-canvas { background:#eef0f4; }
[data-theme="light"] .component-card[data-style="neobrutalism"] .card-canvas { background-color:#e6e0d5; }
.card-quick-actions { padding:10px 14px; gap:8px; }
.btn-copy-prompt { font-size:12px; flex:1; justify-content:flex-start; }
.btn-card-toggle { font-size:11px; white-space:nowrap; }
.drawer-tabs-header { flex-wrap:wrap; }
.card-details-drawer pre,.card-details-drawer code { overflow-wrap:anywhere; }
.site-footer { margin-top:30px; }
.sort-select-ctrl,.studio-select { color-scheme:dark; }
[data-theme="light"] .sort-select-ctrl,[data-theme="light"] .studio-select { color-scheme:light; }
.sort-select-ctrl option,.studio-select option { background:var(--bg-secondary); color:var(--text-primary); }
@media(max-width:1000px) {
  .header-container { gap:16px; }
  .brand-tagline { display:none; }
  .hero-stats-row { gap:12px; }
  .stat-chip { padding-left:12px; }
  .stat-chip strong { font-size:19px; }
}
@media(max-width:720px) {
  .header-container { flex-wrap:wrap; padding:12px 16px; gap:12px; }
  .brand-title { font-size:16px; }
  .header-actions { margin-left:auto; gap:6px; }
  .header-search-wrap { order:3; flex-basis:100%; max-width:none; }
  .header-actions .hdr-btn { padding:8px; }
  .header-actions #exportAllBtn { display:none; }
  .hero-section { padding:28px 16px 24px; flex-wrap:wrap; gap:22px; }
  .hero-title { font-size:29px; }
  .hero-stats-row { gap:22px; }
  .stat-chip:first-child { border:0; padding-left:0; }
  .stat-chip { flex-direction:row; align-items:baseline; gap:6px; }
  .stat-chip strong { font-size:17px; }
  .filter-nav-section { position:relative; top:auto; padding:12px 16px; }
  .subfilter-bar { gap:12px; }
  .quick-toolbar-row { width:100%; justify-content:space-between; }
  .components-section { padding:16px; }
  .card-canvas { padding:28px 16px; }
  .site-footer { padding:20px 16px; }
  .modal-container { max-width:calc(100vw - 24px); max-height:90dvh; }
}
@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}