/* ============================================
   灵昀 Aura — Design System & Global Styles
   Dark cinematic theme: Tapnow / Linear / Vercel
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
  --bg-landing: #000000;
  --bg-workspace: #0F0F10;
  --bg-card: #1A1A1C;
  --bg-card-hover: #222224;
  --bg-input: #1A1A1C;
  --border-card: #2E2E33;
  --border-subtle: rgba(255,255,255,0.08);
  --dot-grid: #2A2A2A;

  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  --text-tertiary: #6B7280;

  --btn-primary-bg: #FFFFFF;
  --btn-primary-text: #000000;
  --btn-primary-hover: #E5E5E5;
  --btn-secondary-bg: transparent;
  --btn-secondary-border: rgba(255,255,255,0.3);

  --cta-blue: #2563EB;
  --cta-blue-hover: #1D4ED8;
  --success: #22C55E;
  --error: #EF4444;
  --error-hover: #DC2626;
  --warning: #F59E0B;
  --primary: #6366F1;
  --border-secondary: rgba(255,255,255,0.15);

  --logo-pink: #FFB3D1;
  --logo-yellow: #FFE08A;
  --logo-green: #B8F5C8;
  --logo-blue: #8AB8FF;
  --logo-purple: #C9A8FF;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  --font-sans: 'Inter', 'PingFang SC', 'HarmonyOS Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-content: 1280px;
  --transition: 200ms ease-out;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-landing);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; display: block; }
input, textarea, select { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

/* --- Typography --- */
.text-display {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.text-h1 {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.text-h2 {
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.text-h3 {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 600;
  line-height: 1.3;
}
.text-body { font-size: 15px; font-weight: 400; line-height: 1.6; }
.text-sm { font-size: 13px; font-weight: 400; line-height: 1.5; }
.text-xs { font-size: 12px; font-weight: 400; line-height: 1.4; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.tabular-nums { font-variant-numeric: tabular-nums; }

/* --- Layout --- */
.container {
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-10);
}
.section {
  padding: var(--space-24) 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}
.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}
.btn-primary:hover { background: var(--btn-primary-hover); }
.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--text-primary);
  border: 1px solid var(--btn-secondary-border);
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.5); }
.btn-blue {
  background: var(--cta-blue);
  color: white;
}
.btn-blue:hover { background: #3B73F0; }
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 16px;
}
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
}
.btn-ghost {
  color: var(--text-secondary);
  transition: color var(--transition);
}
.btn-ghost:hover { color: var(--text-primary); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition);
}
.card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}
.card-flat {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
}

/* --- Inputs --- */
.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-input);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color var(--transition);
  outline: none;
}
.input:focus { border-color: var(--cta-blue); }
.input::placeholder { color: var(--text-tertiary); }
.textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

/* --- Chips / Tags --- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  background: #1F1F22;
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.chip:hover { background: #2A2A2D; color: var(--text-primary); }
.chip.active {
  background: rgba(37,99,235,0.15);
  color: var(--cta-blue);
  border-color: rgba(37,99,235,0.3);
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-success { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-error { background: rgba(239,68,68,0.15); color: var(--error); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-info { background: rgba(37,99,235,0.15); color: var(--cta-blue); }

/* --- Logo --- */
.logo-gradient {
  background: linear-gradient(135deg, var(--logo-pink), var(--logo-yellow), var(--logo-green), var(--logo-blue), var(--logo-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--logo-pink), var(--logo-yellow), var(--logo-green), var(--logo-blue), var(--logo-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { width: 18px; height: 18px; }
.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* --- Navigation (Landing) --- */
.nav-landing {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-content);
  margin: 0 auto;
  padding: 0 var(--space-10);
}
.nav-links {
  display: flex;
  gap: var(--space-8);
}
.nav-links a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* --- Hero --- */
.hero {
  padding: var(--space-20) 0 var(--space-16);
  text-align: left;
}
.hero-title {
  max-width: 800px;
}
.hero-subtitle {
  max-width: 560px;
  margin-top: var(--space-6);
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-10);
}
.hero-canvas-preview {
  margin-top: var(--space-16);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-card);
  overflow: hidden;
  background: var(--bg-workspace);
  aspect-ratio: 16/9;
  position: relative;
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.feature-card {
  padding: var(--space-8);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-workspace);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 24px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-4);
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.feature-link:hover { color: var(--text-primary); }

/* --- Gallery Scroll --- */
.gallery-scroll {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  padding-bottom: var(--space-4);
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.gallery-scroll::-webkit-scrollbar { display: none; }
.gallery-card {
  flex: 0 0 560px;
  scroll-snap-align: start;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-card);
  transition: all var(--transition);
  cursor: pointer;
}
.gallery-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-subtle);
}
.gallery-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.gallery-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-info {
  padding: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.gallery-info .title { font-size: 14px; font-weight: 500; }
.gallery-info .author { font-size: 12px; color: var(--text-tertiary); }

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}
.pricing-card {
  padding: var(--space-8);
  position: relative;
}
.pricing-card.popular {
  border-color: var(--cta-blue);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cta-blue);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 4px var(--space-4);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pricing-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.pricing-price {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: var(--space-4) 0;
}
.pricing-price span {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}
.pricing-features {
  margin: var(--space-6) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.pricing-features li {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.pricing-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 600;
  flex-shrink: 0;
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.testimonial-card {
  padding: var(--space-6);
}
.testimonial-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-workspace);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.testimonial-name { font-size: 14px; font-weight: 500; }
.testimonial-role { font-size: 12px; color: var(--text-tertiary); }

/* --- FAQ --- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-card);
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-5) 0;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--text-secondary); }
.faq-icon {
  font-size: 20px;
  color: var(--text-tertiary);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: var(--space-4);
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease-out;
}
.faq-answer-inner {
  padding-bottom: var(--space-5);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; }

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border-card);
  padding: var(--space-12) 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-links {
  display: flex;
  gap: var(--space-8);
}
.footer-links a {
  font-size: 13px;
  color: var(--text-tertiary);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--text-secondary); }
.footer-bottom {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.8;
}

/* ============================================
   Workspace Layout
   ============================================ */
.workspace {
  display: none;
  height: 100vh;
  background: var(--bg-workspace);
  flex-direction: column;
}
.workspace.active { display: flex; }

/* Workspace Top Nav */
.ws-topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 var(--space-4);
  border-bottom: 1px solid var(--border-card);
  background: var(--bg-workspace);
  flex-shrink: 0;
  z-index: 50;
}
.ws-topnav-left {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.ws-module-tabs {
  display: flex;
  background: var(--bg-card);
  border-radius: var(--radius-pill);
  padding: 3px;
  border: 1px solid var(--border-card);
}
.ws-module-tab {
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.ws-module-tab:hover { color: var(--text-primary); }
.ws-module-tab.active {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}
.ws-topnav-right {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.credits-capsule {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.credits-capsule:hover { border-color: var(--border-subtle); }
.credits-icon { font-size: 14px; }
.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--logo-purple), var(--logo-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

/* Workspace Body */
.ws-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.ws-sidebar {
  width: 56px;
  background: var(--bg-workspace);
  border-right: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-4) 0;
  gap: var(--space-1);
  flex-shrink: 0;
}
.sidebar-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.sidebar-btn:hover { background: var(--bg-card); color: var(--text-secondary); }
.sidebar-btn.active { background: var(--bg-card); color: var(--text-primary); }
.sidebar-btn .tooltip {
  position: absolute;
  left: 52px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  z-index: 10;
}
.sidebar-btn:hover .tooltip { opacity: 1; }
.sidebar-divider {
  width: 24px;
  height: 1px;
  background: var(--border-card);
  margin: var(--space-2) 0;
}

/* Main Content Area */
.ws-main {
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* ============================================
   Canvas Editor
   ============================================ */
.canvas-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: var(--bg-workspace);
}
.canvas-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--dot-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.canvas-viewport {
  position: absolute;
  inset: 0;
  cursor: grab;
}
.canvas-viewport:active { cursor: grabbing; }
.canvas-world {
  position: absolute;
  transform-origin: 0 0;
  transition: none;
}

/* Node Panel */
.node-panel {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-card);
  overflow-y: auto;
  padding: var(--space-4);
  z-index: 20;
}
.node-panel-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
  margin-top: var(--space-4);
}
.node-panel-title:first-child { margin-top: 0; }
.node-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  cursor: grab;
  transition: all var(--transition);
  margin-bottom: var(--space-1);
}
.node-item:hover { background: var(--bg-workspace); }
.node-item:active { cursor: grabbing; }
.node-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.node-item-icon.text-node { background: rgba(37,99,235,0.15); }
.node-item-icon.image-node { background: rgba(168,85,247,0.15); }
.node-item-icon.video-node { background: rgba(236,72,153,0.15); }
.node-item-icon.music-node { background: rgba(34,197,94,0.15); }
.node-item-icon.upload-node { background: rgba(245,158,11,0.15); }
.node-item-icon.compose-node { background: rgba(99,102,241,0.15); }
.node-item-name { font-size: 13px; font-weight: 500; }
.node-item-desc { font-size: 11px; color: var(--text-tertiary); }

/* Canvas Nodes */
.canvas-node {
  position: absolute;
  width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: move;
  user-select: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.canvas-node:hover {
  border-color: rgba(255,255,255,0.15);
}
.canvas-node.selected {
  border-color: var(--cta-blue);
  box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}
.canvas-node.generating {
  border-color: var(--cta-blue);
}
.canvas-node.error {
  border-color: var(--error);
}
.canvas-node-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-card);
}
.canvas-node-icon {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}
.canvas-node-model {
  font-size: 12px;
  font-weight: 500;
  flex: 1;
}
.canvas-node-status {
  font-size: 10px;
  color: var(--text-tertiary);
}
.canvas-node-preview {
  aspect-ratio: 16/9;
  background: var(--bg-workspace);
  margin: var(--space-2);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.canvas-node-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.canvas-node-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--border-card);
}
.canvas-node-cost {
  font-size: 11px;
  color: var(--text-tertiary);
}
.canvas-node-run {
  padding: 3px var(--space-3);
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.canvas-node-run:hover { background: var(--btn-primary-hover); }

/* Floating Plus Dot (replaces old ports) */
.node-plus-dot {
  position: absolute;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-card);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: crosshair;
  z-index: 10;
  transition: all var(--transition);
}
.node-plus-dot::after {
  content: '+';
  font-size: 14px;
  color: var(--text-tertiary);
  font-weight: 300;
  line-height: 1;
}
.node-plus-dot:hover {
  border-color: var(--cta-blue);
  background: rgba(37,99,235,0.1);
  transform: scale(1.3);
}
.node-plus-dot:hover::after {
  color: var(--cta-blue);
}
.node-plus-dot.left {
  left: -12px;
  top: 50%;
  transform: translateY(-50%);
}
.node-plus-dot.right {
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
}
.node-plus-dot.left:hover {
  transform: translateY(-50%) scale(1.3);
}
.node-plus-dot.right:hover {
  transform: translateY(-50%) scale(1.3);
}
/* Plus dots only show when hovering near node sides (controlled by JS) */
.node-plus-dot.dragging {
  display: flex !important;
  border-color: var(--cta-blue);
  background: var(--cta-blue);
}
.node-plus-dot.dragging::after {
  color: white;
}

/* Invisible hit area for easier interaction */
.node-plus-hit {
  position: absolute;
  width: 40px;
  height: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9;
}
.node-plus-hit.left {
  left: -20px;
}
.node-plus-hit.right {
  right: -20px;
}

/* ShotLab-style Node Preview Box */
.node-preview-box {
  width: 100%;
  height: 100%;
  background: var(--bg-workspace);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: all var(--transition);
}
.node-preview-box:hover {
  background: #1a1a1c;
}
.node-preview-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.node-preview-content {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.node-preview-content .preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--text-tertiary);
  font-size: 12px;
}
.node-preview-content .preview-placeholder-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

/* Node Type Label (overlay on preview) */
.node-type-label {
  position: absolute;
  bottom: var(--space-2);
  left: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 8px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--text-primary);
  z-index: 5;
}
.node-type-icon {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
}
.node-type-name {
  font-weight: 500;
}

/* Node Prompt Panel (Expandable) */
.node-prompt-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 100;
  display: none;
  animation: promptPanelSlideIn 200ms ease-out;
}
@keyframes promptPanelSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.prompt-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-card);
}
.prompt-panel-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
.prompt-panel-close {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition);
}
.prompt-panel-close:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.prompt-panel-body {
  padding: var(--space-3);
}

.prompt-input-group {
  margin-bottom: var(--space-3);
}
.prompt-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}
.prompt-textarea {
  width: 100%;
  min-height: 80px;
  padding: var(--space-2);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-sans);
  resize: vertical;
  transition: border-color var(--transition);
  margin-bottom: var(--space-2);
}
.prompt-textarea:focus {
  outline: none;
  border-color: var(--cta-blue);
}
.prompt-textarea::placeholder {
  color: var(--text-tertiary);
}

.prompt-select-group {
  margin-bottom: var(--space-3);
}
.prompt-select {
  width: 100%;
  padding: var(--space-2);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  transition: border-color var(--transition);
}
.prompt-select:focus {
  outline: none;
  border-color: var(--cta-blue);
}

.optimize-prompt-btn {
  padding: 4px 12px;
  background: rgba(37,99,235,0.1);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: var(--radius-sm);
  color: var(--cta-blue);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.optimize-prompt-btn:hover {
  background: rgba(37,99,235,0.15);
  border-color: var(--cta-blue);
}

.aspect-ratio-options {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.aspect-btn {
  flex: 1;
  min-width: 60px;
  padding: 6px 12px;
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.aspect-btn:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text-primary);
}
.aspect-btn.active {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}

.quality-options {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}
.quality-btn {
  flex: 1;
  min-width: 70px;
  padding: 6px 12px;
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.quality-btn:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text-primary);
}
.quality-btn.active {
  background: rgba(37,99,235,0.1);
  border-color: var(--cta-blue);
  color: var(--cta-blue);
}

.prompt-panel-footer {
  padding: var(--space-3);
  border-top: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.node-cost {
  font-size: 12px;
  color: var(--text-tertiary);
  white-space: nowrap;
}
.generate-btn {
  padding: 8px 20px;
  background: var(--cta-blue);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.generate-btn:hover {
  background: #1d4ed8;
}
.generate-btn:disabled {
  background: var(--text-tertiary);
  cursor: not-allowed;
  opacity: 0.5;
}
.generate-btn.retry {
  background: var(--error);
}
.generate-btn.retry:hover {
  background: #dc2626;
}
.status-complete {
  font-size: 12px;
  color: var(--success);
  font-weight: 500;
}

/* Node Loading Overlay */
.node-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  border-radius: inherit;
  z-index: 10;
}
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--cta-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.loading-text {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Node Complete Overlay */
.node-complete-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
  z-index: 10;
}
.complete-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  animation: completePop 300ms ease-out;
}
@keyframes completePop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Connection Lines (SVG) */
.canvas-connections {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}
.canvas-connections path {
  fill: none;
  stroke: var(--text-tertiary);
  pointer-events: stroke;
}
.canvas-connections path:hover {
  stroke: var(--cta-blue);
}

/* Canvas Toolbar */
.canvas-toolbar {
  position: absolute;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-3);
  z-index: 30;
}
.canvas-tool-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.canvas-tool-btn:hover { background: var(--bg-workspace); color: var(--text-primary); }
.canvas-zoom-label {
  font-size: 12px;
  color: var(--text-tertiary);
  min-width: 40px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* Skeleton / Breathing Animation */
.skeleton {
  background: linear-gradient(90deg, var(--bg-workspace) 25%, #252528 50%, var(--bg-workspace) 75%);
  background-size: 200% 100%;
  animation: skeleton-breathe 2s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-breathe {
  0%, 100% { background-position: 200% 0; }
  50% { background-position: -200% 0; }
}

/* Generating Glow */
.generating-glow {
  position: relative;
}
.generating-glow::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--logo-blue), var(--logo-purple), var(--logo-pink));
  opacity: 0.3;
  animation: glow-breathe 2s ease-in-out infinite;
  z-index: -1;
}
@keyframes glow-breathe {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.35; }
}

/* Progress Bar */
.progress-bar {
  height: 3px;
  background: var(--border-card);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--cta-blue);
  border-radius: 2px;
  transition: width 300ms ease-out;
}

/* ============================================
   ShotLab Canvas Layout
   ============================================ */

/* Top Bar */
.canvas-topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  z-index: 50;
}
.canvas-topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.canvas-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  outline: none;
  min-width: 120px;
  transition: background var(--transition);
}
.canvas-name:hover {
  background: var(--bg-workspace);
}
.canvas-name:focus {
  background: var(--bg-workspace);
  box-shadow: 0 0 0 2px var(--cta-blue);
}
.canvas-topbar-center {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.topbar-btn {
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.topbar-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}
.canvas-topbar-right {
  display: flex;
  align-items: center;
}
.topbar-btn-export {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}
.topbar-btn-export:hover {
  background: var(--border-card);
}

/* Left Floating Toolbar */
.canvas-left-toolbar {
  position: absolute;
  left: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 999px;
  padding: var(--space-2);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 60;
}
.toolbar-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.toolbar-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}
.toolbar-btn.primary {
  background: var(--cta-blue);
  color: white;
}
.toolbar-btn.primary:hover {
  background: var(--cta-blue-hover);
}
.toolbar-divider {
  width: 24px;
  height: 1px;
  background: var(--border-card);
  margin: var(--space-1) auto;
}

/* Bottom Control Bar */
.canvas-bottombar {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 999px;
  padding: var(--space-2) var(--space-4);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 50;
}
.bottombar-left,
.bottombar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.bottombar-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.bottombar-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}
.bottombar-zoom-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  min-width: 50px;
  text-align: center;
}
.bottombar-divider {
  width: 1px;
  height: 20px;
  background: var(--border-card);
  margin: 0 var(--space-1);
}

/* Empty Canvas Guide */
.canvas-empty-guide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 5;
}
.canvas-empty-guide.hidden {
  display: none;
}
.empty-guide-content {
  text-align: center;
  pointer-events: auto;
}
.empty-guide-icon {
  font-size: 64px;
  color: var(--text-tertiary);
  opacity: 0.3;
  margin-bottom: var(--space-6);
}
.empty-guide-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-8);
}
.empty-guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  max-width: 760px;
}
.guide-action-btn {
  height: 38px;
  padding: 0 var(--space-4);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}
.guide-action-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
  border-color: var(--text-tertiary);
}
.guide-action-btn:active {
  transform: scale(0.95);
}

/* Right Slide-out Panel */
.canvas-right-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 460px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-card);
  box-shadow: -4px 0 24px rgba(0,0,0,0.1);
  transform: translateX(100%);
  opacity: 0;
  transition: transform 300ms ease-in-out, opacity 300ms ease-in-out;
  z-index: 150;
}
.canvas-right-panel.open {
  transform: translateX(0);
  opacity: 1;
}
.panel-resizer {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  cursor: col-resize;
  background: transparent;
  transition: background var(--transition);
}
.panel-resizer:hover {
  background: var(--cta-blue);
}
.panel-content {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  padding: var(--space-6);
}

/* ============================================
   ShotLab Node Card Styles
   ============================================ */

/* Node Title Row */
.node-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-bottom: 1px solid var(--border-card);
}
.node-type-badge {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.node-type-icon {
  line-height: 1;
}
.node-title-content {
  flex: 1;
  min-width: 0;
}
.node-title-text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 2px 4px;
  border-radius: 4px;
  transition: background var(--transition);
}
.node-title-text:hover {
  background: var(--bg-workspace);
}
.node-title-text:focus {
  background: var(--bg-workspace);
  box-shadow: 0 0 0 2px var(--cta-blue);
}
.node-subtitle {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}
.node-status-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 500;
  flex-shrink: 0;
}

/* Node Body */
.node-body {
  position: relative;
  margin: var(--space-3);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-workspace);
}
.node-preview {
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.node-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   ShotLab-style Simple Node Cards
   ============================================ */

/* Node Title (above card) */
.canvas-node {
  position: absolute;
  cursor: move;
  user-select: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.canvas-node::before {
  content: attr(data-node-title);
  position: absolute;
  top: -28px;
  left: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
}

/* Simple ShotLab Node Card */
.node-title-above {
  position: absolute;
  top: -28px;
  left: 0;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Node zoom-in animation */
.canvas-node.node-zoom-in {
  animation: nodeZoomIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes nodeZoomIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.shotlab-node-card {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border: 2px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition: all var(--transition);
}

.canvas-node:hover .shotlab-node-card {
  border-color: rgba(255,255,255,0.2);
}

.canvas-node.selected .shotlab-node-card {
  border-color: var(--cta-blue);
  box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}

.canvas-node.generating .shotlab-node-card {
  border-color: var(--cta-blue);
}

.canvas-node.error .shotlab-node-card {
  border-color: var(--error);
}

.shotlab-node-preview {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-workspace);
}

.shotlab-placeholder {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* Loading and Complete Overlays */
.node-loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(255,255,255,0.1);
  border-top-color: var(--cta-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.node-complete-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.complete-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  animation: completePop 300ms ease-out;
}

@keyframes completePop {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

/* ============================================
   Bottom Prompt Panel (ShotLab-style)
   ============================================ */

.bottom-prompt-panel {
  position: absolute;
  width: 900px;
  max-width: 90vw;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 100;
  padding: var(--space-4);
  transition: left 0.15s ease-out, top 0.15s ease-out;
}

.node-title-display {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.bottom-prompt-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.prompt-panel-top {
  display: flex;
  gap: var(--space-3);
}

.prompt-avatar-btn,
.prompt-add-btn {
  width: 44px;
  height: 44px;
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.prompt-avatar-btn:hover,
.prompt-add-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.prompt-main-input {
  width: 100%;
  min-height: 120px;
  padding: var(--space-3);
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-sans);
  resize: vertical;
  outline: none;
}

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

.prompt-side-tools {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.side-tool-btn {
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.side-tool-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.prompt-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-card);
}

.prompt-dropdown-group {
  display: flex;
  gap: var(--space-2);
  flex: 1;
}

.prompt-dropdown {
  padding: 8px 12px;
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  outline: none;
  transition: all var(--transition);
}

.prompt-dropdown:hover {
  border-color: rgba(255,255,255,0.2);
}

.prompt-dropdown:focus {
  border-color: var(--cta-blue);
}

.prompt-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.optimize-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}

.optimize-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.prompt-cost {
  font-size: 13px;
  color: var(--text-tertiary);
}

.submit-btn {
  width: 36px;
  height: 36px;
  background: var(--cta-blue);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.submit-btn:hover {
  background: #3B73F0;
  transform: scale(1.05);
}

.prompt-common-section {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.common-prompt-toggle,
.manage-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.common-prompt-toggle:hover,
.manage-btn:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.prompt-tags-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.prompt-tag {
  padding: 6px 14px;
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}

.prompt-tag:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.2);
}
.node-generate-btn {
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  color: white;
  background: var(--cta-blue);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}
.node-generate-btn:hover {
  background: var(--cta-blue-hover);
}
.node-generate-btn.retry {
  background: var(--error);
}
.node-generate-btn.retry:hover {
  background: var(--error-hover);
}
.node-complete-badge {
  font-size: 11px;
  color: var(--success);
  font-weight: 500;
}
.node-generating-badge {
  font-size: 11px;
  color: var(--cta-blue);
  font-weight: 500;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============================================
   Video Module
   ============================================ */
.module-page {
  display: none;
  height: 100%;
  overflow-y: auto;
  padding: var(--space-8);
}
.module-page.active { display: block; }

.template-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.template-card {
  padding: var(--space-5);
  cursor: pointer;
  text-align: center;
}
.template-card:hover { border-color: var(--cta-blue); }
.template-card.selected { border-color: var(--cta-blue); background: rgba(37,99,235,0.05); }
.template-icon { font-size: 32px; margin-bottom: var(--space-3); }
.template-name { font-size: 14px; font-weight: 500; margin-bottom: var(--space-1); }
.template-desc { font-size: 12px; color: var(--text-tertiary); }

.generate-form {
  max-width: 720px;
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}
.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.form-row {
  display: flex;
  gap: var(--space-4);
}
.form-row > * { flex: 1; }
.segment-control {
  display: flex;
  background: var(--bg-workspace);
  border-radius: var(--radius-md);
  padding: 2px;
  border: 1px solid var(--border-card);
}
.segment-option {
  padding: var(--space-2) var(--space-4);
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
}
.segment-option:hover { color: var(--text-primary); }
.segment-option.active {
  background: var(--bg-card);
  color: var(--text-primary);
}
.generate-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border-card);
  margin-top: var(--space-6);
}
.cost-estimate {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Result Grid */
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.result-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-card);
  background: var(--bg-card);
}
.result-preview {
  aspect-ratio: 16/9;
  background: var(--bg-workspace);
  position: relative;
}
.result-actions {
  padding: var(--space-3);
  display: flex;
  gap: var(--space-2);
}

/* ============================================
   Music Module
   ============================================ */
.audio-upload-zone {
  border: 2px dashed var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
}
.audio-upload-zone:hover {
  border-color: var(--text-tertiary);
  background: rgba(255,255,255,0.02);
}
.audio-upload-icon { font-size: 32px; margin-bottom: var(--space-3); }
.audio-upload-text { font-size: 14px; color: var(--text-secondary); }

/* Waveform Player */
.waveform-player {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.waveform-visual {
  flex: 1;
  height: 48px;
  background: var(--bg-workspace);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
}
.waveform-bars {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0 var(--space-2);
}
.waveform-bar {
  flex: 1;
  background: var(--cta-blue);
  border-radius: 1px;
  opacity: 0.6;
  min-width: 2px;
}
.player-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.player-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
}
.player-btn:hover { background: var(--btn-primary-hover); }
.player-time {
  font-size: 12px;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* ============================================
   Gallery / Community
   ============================================ */
.gallery-grid {
  columns: 3;
  column-gap: var(--space-4);
}
.gallery-grid-item {
  break-inside: avoid;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-card);
  background: var(--bg-card);
  cursor: pointer;
  transition: all var(--transition);
}
.gallery-grid-item:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.15);
}
.gallery-grid-thumb {
  aspect-ratio: 16/9;
  background: var(--bg-workspace);
}
.gallery-grid-info {
  padding: var(--space-3);
}
.gallery-grid-title { font-size: 13px; font-weight: 500; }
.gallery-grid-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-2);
}
.gallery-grid-author { font-size: 12px; color: var(--text-tertiary); }
.gallery-grid-likes { font-size: 12px; color: var(--text-tertiary); }

/* ============================================
   Toolbox
   ============================================ */
.toolbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.tool-card {
  padding: var(--space-6);
  text-align: center;
}
.tool-icon { font-size: 40px; margin-bottom: var(--space-4); }
.tool-name { font-size: 16px; font-weight: 600; margin-bottom: var(--space-2); }
.tool-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: var(--space-4); line-height: 1.6; }

/* ============================================
   AI Assistant
   ============================================ */
.assistant-fab {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  z-index: 200;
  transition: all var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.assistant-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.4);
}
.assistant-panel {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: 380px;
  height: 600px;
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  display: none;
  flex-direction: column;
  z-index: 200;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  overflow: hidden;
}
.assistant-panel.open { display: flex; }
.assistant-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-card);
  flex-shrink: 0;
}
.assistant-title { font-size: 14px; font-weight: 600; }
.assistant-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition);
}
.assistant-close:hover { background: var(--bg-card); color: var(--text-primary); }
.assistant-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.msg-bubble {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.6;
}
.msg-ai {
  background: var(--bg-card);
  color: var(--text-primary);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.msg-user {
  background: linear-gradient(135deg, rgba(138,184,255,0.2), rgba(201,168,255,0.2));
  color: var(--text-primary);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.assistant-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.assistant-input-area {
  padding: var(--space-3);
  border-top: 1px solid var(--border-card);
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}
.assistant-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}
.assistant-input:focus { border-color: var(--cta-blue); }
.assistant-send {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.assistant-send:hover { background: var(--btn-primary-hover); }

/* ============================================
   Login Page
   ============================================ */
.login-page {
  display: none;
  min-height: 100vh;
  background: var(--bg-landing);
  align-items: center;
  justify-content: center;
}
.login-page.active { display: flex; }
.login-card {
  width: 400px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}
.login-title {
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-8);
}
.login-form { display: flex; flex-direction: column; gap: var(--space-4); }
.phone-input-group {
  display: flex;
  gap: var(--space-2);
}
.phone-input-group .input { flex: 1; }
.code-input-group {
  display: flex;
  gap: var(--space-2);
}
.code-input-group .input { flex: 1; }
.send-code-btn {
  white-space: nowrap;
  padding: var(--space-3) var(--space-4);
  font-size: 13px;
  color: var(--cta-blue);
  background: rgba(37,99,235,0.1);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.send-code-btn:hover { background: rgba(37,99,235,0.2); }
.login-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-4) 0;
}
.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-card);
}
.login-divider span { font-size: 12px; color: var(--text-tertiary); }
.oauth-buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}
.oauth-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition);
}
.oauth-btn:hover { border-color: var(--text-tertiary); }

/* ============================================
   Pricing Page
   ============================================ */
.pricing-packages {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.package-card {
  padding: var(--space-5);
  text-align: center;
}
.package-name { font-size: 14px; font-weight: 600; margin-bottom: var(--space-2); }
.package-price { font-size: 32px; font-weight: 800; margin-bottom: var(--space-1); }
.package-unit { font-size: 13px; color: var(--text-tertiary); margin-bottom: var(--space-4); }
.package-credits { font-size: 14px; color: var(--text-secondary); }

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.toast {
  padding: var(--space-4) var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: toast-in 300ms ease-out;
  max-width: 360px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.warning { border-left: 3px solid var(--warning); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================
   Parameter Panel (Double-click node)
   ============================================ */
.param-panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 320px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-card);
  padding: var(--space-5);
  overflow-y: auto;
  z-index: 25;
  display: none;
}
.param-panel.open { display: block; }
.param-panel-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.param-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-tertiary);
  cursor: pointer;
}
.param-close:hover { background: var(--bg-workspace); }
.param-group {
  margin-bottom: var(--space-5);
}
.param-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ============================================
   Page Transitions
   ============================================ */
.page { animation: page-fade 200ms ease-out; }
@keyframes page-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============================================
   Landing Page Visibility
   ============================================ */
.landing-page { display: block; }
.landing-page.hidden { display: none; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .gallery-card { flex: 0 0 400px; }
  .template-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-packages { grid-template-columns: repeat(2, 1fr); }
  .toolbox-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { columns: 2; }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--space-5); }
  .nav-links { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .gallery-card { flex: 0 0 300px; }
  .template-grid { grid-template-columns: 1fr; }
  .pricing-packages { grid-template-columns: 1fr; }
  .toolbox-grid { grid-template-columns: 1fr; }
  .gallery-grid { columns: 1; }
  .ws-module-tabs { display: none; }
  .assistant-panel { width: calc(100vw - 32px); right: 16px; bottom: 80px; height: 500px; }
  .form-row { flex-direction: column; }
  .result-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-card); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ============================================
   Canvas Mock Preview (Landing Page)
   ============================================ */
.canvas-mock {
  width: 100%;
  height: 100%;
  position: relative;
  background: var(--bg-workspace);
  background-image: radial-gradient(circle, var(--dot-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  padding: var(--space-8);
  overflow: hidden;
}
.mock-node {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-size: 12px;
}
.mock-node-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.mock-node-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.mock-node-preview {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  margin-top: var(--space-2);
}

/* Section title center */
.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}
.section-header h2 {
  margin-bottom: var(--space-4);
}
.section-header p {
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  font-size: 16px;
}

/* Status colors */
.status-queued { color: var(--text-tertiary); }
.status-generating { color: var(--cta-blue); }
.status-complete { color: var(--success); }
.status-failed { color: var(--error); }

/* ============================================
   Gallery Detail Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  animation: modal-fade 200ms ease-out;
}
.modal-overlay.open { display: flex; }
@keyframes modal-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.modal-content {
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: modal-slide 300ms ease-out;
}
@keyframes modal-slide {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition);
}
.modal-close:hover { background: rgba(0,0,0,0.7); }
.modal-preview {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-workspace);
  position: relative;
  flex-shrink: 0;
}
.modal-info {
  padding: var(--space-6);
  overflow-y: auto;
}
.modal-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.modal-prompt {
  background: var(--bg-workspace);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-top: var(--space-4);
}
.modal-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
  flex-wrap: wrap;
}

/* ============================================
   Side Panel (Templates / Assets / etc.)
   ============================================ */
.side-panel {
  width: 300px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}
.side-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-card);
  flex-shrink: 0;
}
.side-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}
.side-panel-item {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: var(--space-2);
  border: 1px solid transparent;
}
.side-panel-item:hover {
  background: var(--bg-workspace);
  border-color: var(--border-card);
}
.side-panel-item-title {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: var(--space-1);
}
.side-panel-item-desc {
  font-size: 12px;
  color: var(--text-tertiary);
}
.side-panel-item-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}
.side-panel-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
  background: var(--bg-workspace);
}

/* ============================================
   Canvas Empty State
   ============================================ */
.canvas-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  pointer-events: none;
}
.canvas-empty-inner {
  text-align: center;
  pointer-events: auto;
}
.canvas-empty-inner .chip {
  pointer-events: auto;
}

/* ============================================
   Generation Progress Toast
   ============================================ */
.gen-progress-toast {
  position: fixed;
  bottom: var(--space-20);
  right: var(--space-6);
  width: 280px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  z-index: 300;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
  animation: toast-in 300ms ease-out;
}
.gen-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.gen-progress-cancel {
  font-size: 12px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: color var(--transition);
}
.gen-progress-cancel:hover { color: var(--error); }

/* ============================================
   Keyboard Shortcuts Hint
   ============================================ */
.shortcuts-hint {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
}
.shortcuts-inner {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  min-width: 320px;
}
.shortcut-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: 13px;
  color: var(--text-secondary);
}
.shortcut-row kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 var(--space-2);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: 6px;
  font-size: 11px;
  font-family: var(--font-sans);
  color: var(--text-primary);
}

/* ============================================
   Better Result Cards
   ============================================ */
.result-card {
  position: relative;
  overflow: hidden;
}
.result-card .result-preview {
  display: flex;
  align-items: center;
  justify-content: center;
}
.result-card .result-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 50%, rgba(0,0,0,0.6));
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
  opacity: 0;
  transition: opacity var(--transition);
}
.result-card:hover .result-overlay { opacity: 1; }

/* Generation loading in result area */
.result-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  gap: var(--space-4);
}
.result-loading-text {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ============================================
   Improved Node Styles
   ============================================ */
.canvas-node .node-port {
  opacity: 0;
  transition: all var(--transition);
}
.canvas-node:hover .node-port {
  opacity: 1;
}
.canvas-node.selected .node-port {
  opacity: 1;
}

/* Connection line animation - removed dash animation for solid lines */
.canvas-connections path {
  stroke-dasharray: none;
  animation: none;
}
.canvas-connections path:hover {
  stroke: var(--cta-blue);
}

/* Node generating state */
.canvas-node.generating {
  border-color: var(--cta-blue);
}
.canvas-node.generating::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: conic-gradient(from 0deg, var(--logo-blue), var(--logo-purple), var(--logo-pink), var(--logo-blue));
  opacity: 0.2;
  animation: node-spin 3s linear infinite;
  z-index: -1;
}
@keyframes node-spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Improved Gallery Grid Items
   ============================================ */
.gallery-grid-item .gallery-grid-thumb {
  position: relative;
  overflow: hidden;
}
.gallery-grid-item .gallery-grid-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 60%, rgba(0,0,0,0.4));
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-grid-item:hover .gallery-grid-thumb::after { opacity: 1; }

/* ============================================
   Improved Video Templates
   ============================================ */
.template-card {
  position: relative;
  overflow: hidden;
}
.template-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(37,99,235,0.08), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
}
.template-card.selected::before { opacity: 1; }

/* ============================================
   Improved Music Player
   ============================================ */
.waveform-player {
  position: relative;
}
.waveform-player .waveform-visual {
  cursor: pointer;
}
.waveform-player .waveform-bar {
  transition: background var(--transition);
}
.waveform-player:hover .waveform-bar {
  opacity: 0.8;
}

/* ============================================
   Improved Empty States for Modules
   ============================================ */
.module-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-8);
  text-align: center;
}
.module-empty-icon {
  font-size: 48px;
  opacity: 0.2;
  margin-bottom: var(--space-4);
}
.module-empty h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.module-empty p {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 400px;
  margin-bottom: var(--space-6);
}
.example-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  max-width: 600px;
}

/* ============================================
   Improved Assistant
   ============================================ */
.msg-ai .assistant-chips .chip {
  font-size: 12px;
  padding: var(--space-1) var(--space-3);
}
.msg-ai .action-buttons {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

/* ============================================
   Responsive improvements
   ============================================ */
@media (max-width: 768px) {
  .modal-content { width: 95%; max-height: 85vh; }
  .side-panel { width: 100%; position: absolute; z-index: 30; height: 100%; }
  .shortcuts-inner { min-width: auto; width: calc(100vw - 32px); }
  .gen-progress-toast { width: calc(100vw - 32px); right: 16px; }
}

/* ============================================
   Node Context Menu (ShotLab style)
   ============================================ */
.node-context-menu {
  position: absolute;
  z-index: 100;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  min-width: 220px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  backdrop-filter: blur(12px);
  animation: context-menu-fade 150ms ease-out;
}
@keyframes context-menu-fade {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}
.context-menu-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  padding: var(--space-2) var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.context-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 150ms;
  font-size: 14px;
  color: var(--text-primary);
}
.context-menu-item:hover {
  background: var(--bg-workspace);
}
.context-menu-item svg {
  flex-shrink: 0;
  color: var(--text-secondary);
}
.context-menu-item:hover svg {
  color: var(--cta-blue);
}
.context-menu-divider {
  height: 1px;
  background: var(--border-card);
  margin: var(--space-2) var(--space-3);
}

/* ============================================
   Improved Node Ports
   ============================================ */
.node-port {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-workspace);
  border: 2px solid var(--border-card);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  cursor: crosshair;
  transition: all 150ms;
  z-index: 10;
}
.node-port:hover {
  border-color: var(--cta-blue);
  background: var(--cta-blue);
  transform: translateY(-50%) scale(1.3);
}
.node-port.input {
  left: -7px;
}
.node-port.output {
  right: -7px;
}
.node-port.active {
  border-color: var(--cta-blue);
  background: var(--cta-blue);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

/* ============================================
   Node Status Improvements
   ============================================ */
.canvas-node.generating {
  border-color: var(--cta-blue);
  box-shadow: 0 0 0 1px var(--cta-blue), 0 4px 12px rgba(74, 144, 226, 0.15);
}
.canvas-node.error {
  border-color: var(--error);
  box-shadow: 0 0 0 1px var(--error);
}
.canvas-node.selected {
  border-color: var(--cta-blue);
  box-shadow: 0 0 0 2px var(--cta-blue);
}

/* ============================================
   Personal Center Page
   ============================================ */
.profile-page {
  position: fixed;
  inset: 0;
  background: var(--bg-workspace);
  z-index: 50;
  overflow-y: auto;
}
.profile-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-8);
}
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}
.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cta-blue), var(--logo-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}
.profile-info {
  flex: 1;
}
.profile-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-1);
}
.profile-email {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}
.profile-stats {
  display: flex;
  gap: var(--space-6);
}
.stat-item {
  text-align: center;
}
.stat-value {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
}
.stat-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}
.profile-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-card);
  padding-bottom: var(--space-2);
}
.profile-tab {
  padding: var(--space-3) var(--space-5);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.profile-tab:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}
.profile-tab.active {
  background: var(--bg-card);
  color: var(--cta-blue);
}
.profile-tab-content {
  display: none;
}
.profile-tab-content.active {
  display: block;
}
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}
.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.history-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}
.history-item-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-workspace);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.history-item-info {
  flex: 1;
}
.history-item-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--space-1);
}
.history-item-time {
  font-size: 12px;
  color: var(--text-tertiary);
}
.settings-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  background: var(--bg-card);
  border-radius: var(--radius-md);
}
.settings-item-info {
  flex: 1;
}
.settings-item-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: var(--space-1);
}
.settings-item-desc {
  font-size: 12px;
  color: var(--text-tertiary);
}
.settings-item-danger {
  border: 1px solid var(--error);
}

/* ============================================
   Review Module (审片协作)
   ============================================ */
.review-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-workspace);
}

/* Review Header */
.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-card);
  flex-shrink: 0;
}
.review-header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.review-back-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.review-back-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}
.review-project-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.review-project-name {
  font-size: 16px;
  font-weight: 600;
}
.review-version-badge {
  padding: 2px 8px;
  background: rgba(37, 99, 235, 0.15);
  color: var(--cta-blue);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
}
.review-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.review-action-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.review-action-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
  border-color: var(--text-tertiary);
}
.review-approval-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-workspace);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-secondary);
}
.approval-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.approval-dot.pending { background: var(--warning); }
.approval-dot.approved { background: var(--success); }
.approval-dot.rejected { background: var(--error); }

/* Review Main Content */
.review-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Review Player Area */
.review-player-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  overflow: hidden;
}
.review-player-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.review-player {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  min-height: 400px;
}
.review-video {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.review-annotation-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 10;
}
.review-annotation-canvas.drawing {
  pointer-events: auto;
  cursor: crosshair;
}

/* Annotation Tools */
.annotation-tools {
  position: absolute;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  background: rgba(26, 26, 28, 0.95);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  z-index: 20;
}
.annotation-tool-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.annotation-tool-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}
.annotation-tool-btn.active {
  background: var(--cta-blue);
  color: white;
}
.annotation-tool-divider {
  width: 1px;
  height: 24px;
  background: var(--border-card);
  margin: 0 var(--space-2);
}
.annotation-color-picker {
  display: flex;
  gap: 4px;
  margin-left: var(--space-2);
}
.color-btn {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}
.color-btn:hover {
  transform: scale(1.2);
}
.color-btn.active {
  border-color: white;
  box-shadow: 0 0 0 2px var(--cta-blue);
}

/* Player Controls */
.review-player-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: var(--bg-card);
  border-top: 1px solid var(--border-card);
}
.player-controls-left,
.player-controls-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.player-controls-center {
  flex: 1;
}
.player-control-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}
.player-control-btn:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}
.player-control-btn.active {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}
.player-timecode {
  font-size: 13px;
  font-family: 'SF Mono', 'Monaco', monospace;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.player-duration {
  font-size: 13px;
  font-family: 'SF Mono', 'Monaco', monospace;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

/* Timeline */
.player-timeline {
  position: relative;
  height: 32px;
  background: var(--bg-workspace);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.timeline-progress {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cta-blue), var(--logo-purple));
  opacity: 0.3;
  width: 0%;
  transition: width 0.1s linear;
}
.timeline-annotations {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  pointer-events: none;
}
.timeline-marker {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  transform: translateX(-50%);
  cursor: pointer;
  pointer-events: auto;
  transition: transform var(--transition);
}
.timeline-marker:hover {
  transform: translateX(-50%) scale(1.5);
}
.timeline-scrubber {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

/* Compare Mode */
.review-compare-panel {
  width: 380px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  animation: slideInFromRight 0.3s ease-out;
}
@keyframes slideInFromRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.compare-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-card);
  font-size: 14px;
  font-weight: 500;
}
.compare-version-select {
  padding: var(--space-1) var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
}
.compare-panel-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
  overflow-y: auto;
}
.compare-video {
  max-width: 100%;
  max-height: 100%;
}

/* Review Sidebar */
.review-sidebar {
  width: 320px;
  background: var(--bg-card);
  border-left: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.review-sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-card);
  flex-shrink: 0;
}
.review-sidebar-tab {
  flex: 1;
  padding: var(--space-4);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}
.review-sidebar-tab:hover {
  color: var(--text-primary);
  background: var(--bg-workspace);
}
.review-sidebar-tab.active {
  color: var(--cta-blue);
  border-bottom: 2px solid var(--cta-blue);
}
.tab-count {
  padding: 2px 6px;
  background: var(--bg-workspace);
  border-radius: var(--radius-pill);
  font-size: 11px;
}
.review-sidebar-content {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
}
.review-sidebar-content.active {
  display: flex;
  flex-direction: column;
}

/* Annotation Filters */
.annotation-filters {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.annotation-filter-btn {
  padding: var(--space-2) var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.annotation-filter-btn:hover {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}
.annotation-filter-btn.active {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}

/* Annotation List */
.annotation-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.annotation-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
  color: var(--text-tertiary);
}
.annotation-empty p {
  font-size: 14px;
  margin-top: var(--space-4);
  color: var(--text-secondary);
}
.annotation-empty span {
  font-size: 12px;
  margin-top: var(--space-2);
}
.annotation-item {
  padding: var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}
.annotation-item:hover {
  border-color: var(--text-tertiary);
}
.annotation-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}
.annotation-item-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.annotation-item-avatar {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: white;
}
.annotation-item-name {
  font-size: 12px;
  font-weight: 500;
}
.annotation-item-time {
  font-size: 11px;
  font-family: 'SF Mono', 'Monaco', monospace;
  color: var(--cta-blue);
  cursor: pointer;
}
.annotation-item-time:hover {
  text-decoration: underline;
}
.annotation-item-content {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-2);
}
.annotation-item-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.annotation-tag {
  padding: 2px 8px;
  background: rgba(37, 99, 235, 0.1);
  color: var(--cta-blue);
  border-radius: var(--radius-pill);
  font-size: 11px;
}
.annotation-tag.resolved {
  background: rgba(34, 197, 94, 0.1);
  color: var(--success);
}

/* Members List */
.members-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.member-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-workspace);
  border-radius: var(--radius-md);
}
.member-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}
.member-info {
  flex: 1;
}
.member-name {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.member-badge {
  padding: 1px 6px;
  background: var(--bg-card);
  border-radius: var(--radius-pill);
  font-size: 10px;
  color: var(--text-tertiary);
}
.member-status {
  font-size: 11px;
  margin-top: 2px;
}
.member-status.online {
  color: var(--success);
}
.member-status.offline {
  color: var(--text-tertiary);
}

/* Versions List */
.versions-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.version-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
}
.version-item.current {
  border-color: var(--cta-blue);
  background: rgba(37, 99, 235, 0.05);
}
.version-info {
  flex: 1;
}
.version-name {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 2px;
}
.version-date {
  font-size: 11px;
  color: var(--text-tertiary);
}
.version-author {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.version-badge {
  padding: 2px 8px;
  background: var(--cta-blue);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 600;
}
.version-badge.current {
  background: var(--cta-blue);
}
.version-action-btn {
  padding: var(--space-1) var(--space-3);
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.version-action-btn:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Bottom Annotation Input */
.review-annotation-input {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-card);
  border-top: 1px solid var(--border-card);
  flex-shrink: 0;
}
.annotation-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.annotation-input-tools {
  display: flex;
  gap: var(--space-2);
}
.annotation-tag-select,
.annotation-visibility-select {
  padding: var(--space-2) var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
}
.annotation-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition);
}
.annotation-input:focus {
  border-color: var(--cta-blue);
}
.annotation-input::placeholder {
  color: var(--text-tertiary);
}
.annotation-submit-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cta-blue);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  transition: all var(--transition);
}
.annotation-submit-btn:hover {
  background: #3B73F0;
}

/* Ghost Mode Overlay */
.review-player.ghost-mode .review-video {
  opacity: 0.5;
}
.review-player.ghost-mode .ghost-frame {
  position: absolute;
  inset: 0;
  opacity: 0.3;
  pointer-events: none;
  animation: ghostFadeIn 0.5s ease-out;
}
@keyframes ghostFadeIn {
  from { opacity: 0; transform: scale(1.02); }
  to { opacity: 0.3; transform: scale(1); }
}

/* Ghost Controls Panel */
.ghost-controls-panel {
  animation: slideUp 0.3s ease-out;
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ============================================
   Collaboration Features
   ============================================ */

/* Collaborative Cursors */
.collab-cursor {
  position: absolute;
  pointer-events: none;
  z-index: 100;
  transition: left 0.8s ease-out, top 0.8s ease-out;
}
.collab-cursor-label {
  position: absolute;
  top: 18px;
  left: 8px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* Collaboration Notification */
.collab-notification {
  animation: slideInRight 0.3s ease-out;
}
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes slideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

/* Member Item Enhanced */
.member-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: background var(--transition);
}
.member-item:hover {
  background: var(--bg-workspace);
}
.member-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 13px;
  font-weight: 600;
  flex-shrink: 0;
}
.member-info {
  flex: 1;
  min-width: 0;
}
.member-name {
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.member-badge {
  padding: 1px 6px;
  background: var(--bg-workspace);
  border-radius: var(--radius-pill);
  font-size: 10px;
  color: var(--text-tertiary);
  font-weight: 400;
}
.member-status {
  font-size: 11px;
  margin-top: 2px;
}
.member-status.online {
  color: var(--success);
}
.member-status.offline {
  color: var(--text-tertiary);
}

/* Version Item Enhanced */
.version-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  transition: all var(--transition);
  margin-bottom: var(--space-2);
}
.version-item:hover {
  border-color: var(--text-tertiary);
  background: var(--bg-workspace);
}
.version-item.current {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}
.version-info {
  flex: 1;
  min-width: 0;
}
.version-name {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 2px;
}
.version-date {
  font-size: 11px;
  color: var(--text-tertiary);
}
.version-author {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 2px;
}
.version-badge {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 10px;
  font-weight: 500;
}
.version-badge.current {
  background: var(--primary);
  color: white;
}
.version-action-btn {
  padding: 4px 12px;
  background: transparent;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition);
}
.version-action-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Approval Status */
.review-approval-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-workspace);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
}
.approval-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.approval-dot.pending {
  background: var(--warning);
  animation: pulse 2s infinite;
}
.approval-dot.approved {
  background: var(--success);
}
.approval-dot.rejected {
  background: var(--error);
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Upload Dropzone */
.upload-dropzone {
  transition: all 0.2s;
}
.upload-dropzone:hover {
  border-color: var(--primary) !important;
  background: rgba(99, 102, 241, 0.03) !important;
}

/* Live Annotation Indicator */
.annotation-item.live {
  border-left: 3px solid var(--success);
  animation: fadeInAnnotation 0.5s ease-out;
}
@keyframes fadeInAnnotation {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Presence Avatars Row (in header) */
.presence-avatars {
  display: flex;
  align-items: center;
  gap: -8px;
}
.presence-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 11px;
  font-weight: 600;
  border: 2px solid var(--bg-card);
  margin-left: -8px;
  position: relative;
  cursor: pointer;
  transition: transform 0.2s;
}
.presence-avatar:first-child {
  margin-left: 0;
}
.presence-avatar:hover {
  transform: scale(1.15);
  z-index: 10;
}
.presence-avatar .online-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  border: 2px solid var(--bg-card);
}

/* Responsive */
@media (max-width: 1200px) {
  .review-sidebar {
    width: 280px;
  }
  .review-compare-panel {
    width: 280px;
  }
}
@media (max-width: 992px) {
  .review-main {
    flex-direction: column;
  }
  .review-sidebar {
    width: 100%;
    max-height: 300px;
    border-left: none;
    border-top: 1px solid var(--border-card);
  }
  .review-compare-panel {
    display: none;
  }
}

/* ============================================
   Agent Dialog (创作 Agent)
   ============================================ */
.agent-fab {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--logo-blue), var(--logo-purple));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(138, 184, 255, 0.4);
  transition: all var(--transition);
  z-index: 200;
  border: none;
}
.agent-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(138, 184, 255, 0.5);
}
.agent-fab.active {
  opacity: 0;
  pointer-events: none;
}

.agent-dialog {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 380px;
  max-height: 560px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 201;
  transform: scale(0.9) translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: all 200ms ease-out;
}
.agent-dialog.open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.agent-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-card);
  flex-shrink: 0;
}
.agent-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.agent-title svg {
  color: var(--logo-blue);
}
.agent-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition);
}
.agent-close:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}

.agent-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-height: 400px;
}

.agent-msg {
  display: flex;
  gap: var(--space-3);
  animation: agent-msg-in 200ms ease-out;
}
@keyframes agent-msg-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.agent-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--logo-blue), var(--logo-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}
.agent-msg-content {
  flex: 1;
  background: var(--bg-workspace);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.agent-msg-content p {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}
.agent-msg-content p:last-child {
  margin-bottom: 0;
}

.agent-msg-user {
  flex-direction: row-reverse;
}
.agent-msg-user .agent-msg-avatar {
  background: var(--cta-blue);
}
.agent-msg-user .agent-msg-content {
  background: var(--cta-blue);
}
.agent-msg-user .agent-msg-content p {
  color: white;
}

.agent-suggestions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
.agent-suggestion-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  text-align: left;
}
.agent-suggestion-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--cta-blue);
  color: var(--text-primary);
}
.agent-suggestion-btn span {
  font-size: 14px;
}

.agent-action-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-top: var(--space-3);
}
.agent-action-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.agent-action-title svg {
  color: var(--success);
}
.agent-action-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.agent-action-node {
  padding: 4px 10px;
  background: var(--bg-workspace);
  border-radius: var(--radius-pill);
  font-size: 11px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.agent-action-node::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cta-blue);
}
.agent-action-btn {
  width: 100%;
  margin-top: var(--space-3);
  padding: var(--space-2);
  background: var(--cta-blue);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.agent-action-btn:hover {
  background: #3B73F0;
}

.agent-input-area {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-top: 1px solid var(--border-card);
  flex-shrink: 0;
}
.agent-input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}
.agent-input:focus {
  border-color: var(--cta-blue);
}
.agent-input::placeholder {
  color: var(--text-tertiary);
}
.agent-send {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cta-blue);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.agent-send:hover {
  background: #3B73F0;
}

/* Agent typing indicator */
.agent-typing {
  display: flex;
  gap: 4px;
  padding: var(--space-2) 0;
}
.agent-typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
  animation: agent-typing-bounce 1.4s infinite ease-in-out;
}
.agent-typing-dot:nth-child(1) { animation-delay: 0s; }
.agent-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.agent-typing-dot:nth-child(3) { animation-delay: 0.4s; }
@keyframes agent-typing-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Responsive */
@media (max-width: 480px) {
  .agent-dialog {
    width: calc(100vw - 32px);
    right: 16px;
    bottom: 16px;
    max-height: calc(100vh - 100px);
  }
}

/* ============================================
   Focus Edit Dialog (局部编辑)
   ============================================ */
.focus-edit-dialog {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 480px;
  max-width: 90vw;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
  z-index: 150;
  animation: focus-edit-in 200ms ease-out;
}
@keyframes focus-edit-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.95); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

.focus-edit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-card);
  font-size: 14px;
  font-weight: 600;
}
.focus-edit-close {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  transition: all var(--transition);
}
.focus-edit-close:hover {
  background: var(--bg-workspace);
  color: var(--text-primary);
}

.focus-edit-preview {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--bg-workspace);
  margin: var(--space-4);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: crosshair;
}
.focus-edit-preview canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.focus-edit-mask {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.focus-edit-mask .mask-region {
  position: absolute;
  background: rgba(37, 99, 235, 0.3);
  border: 2px dashed var(--cta-blue);
  border-radius: 4px;
}

.focus-edit-input {
  padding: 0 var(--space-4) var(--space-4);
}
.focus-edit-textarea {
  width: 100%;
  min-height: 80px;
  padding: var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition);
}
.focus-edit-textarea:focus {
  border-color: var(--cta-blue);
}
.focus-edit-textarea::placeholder {
  color: var(--text-tertiary);
}

.focus-edit-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3);
}

.focus-edit-cost {
  padding: var(--space-3) var(--space-4);
  background: var(--bg-workspace);
  border-top: 1px solid var(--border-card);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
}
.focus-edit-cost strong {
  color: var(--cta-blue);
}

/* Focus Edit Button on Node */
.node-focus-edit-btn {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 28, 0.9);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  opacity: 0;
  transition: all var(--transition);
  z-index: 10;
}
.canvas-node:hover .node-focus-edit-btn {
  opacity: 1;
}
.node-focus-edit-btn:hover {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}

/* Focus Edit Generating State */
.focus-edit-generating {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  z-index: 20;
}
.focus-edit-generating .spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-card);
  border-top-color: var(--cta-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.focus-edit-generating p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ============================================
   Multi-Select & Batch Toolbar
   ============================================ */

/* Selection Box (drag to select) */
.selection-box {
  position: absolute;
  border: 1.5px solid var(--cta-blue);
  background: rgba(99, 102, 241, 0.08);
  border-radius: 3px;
  pointer-events: none;
  z-index: 50;
  display: none;
}

/* Batch Toolbar */
.batch-toolbar {
  position: absolute;
  z-index: 100;
  animation: batchToolbarIn 0.2s ease-out;
}
@keyframes batchToolbarIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.batch-toolbar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}
.batch-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  background: var(--cta-blue);
  color: white;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
}
.batch-label {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}
.batch-divider {
  width: 1px;
  height: 20px;
  background: var(--border-card);
  margin: 0 var(--space-1);
}
.batch-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.batch-btn:hover {
  background: var(--bg-workspace);
  border-color: var(--border-card);
  color: var(--text-primary);
}
.batch-btn-danger:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--error);
  color: var(--error);
}

/* Multi-selected node highlight */
.canvas-node.selected {
  outline: 2px solid var(--cta-blue);
  outline-offset: 2px;
}
.canvas-node.selected::before {
  content: '✓';
  position: absolute;
  top: -8px;
  right: -8px;
  width: 18px;
  height: 18px;
  background: var(--cta-blue);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: bold;
  z-index: 10;
}

/* Grouped node indicator */
.canvas-node[data-group] {
  outline: 2px dashed var(--logo-purple);
  outline-offset: 4px;
}

/* ============================================
   Shot List Panel
   ============================================ */
.shot-list-panel {
  position: absolute;
  top: 50px;
  right: 0;
  width: 380px;
  height: calc(100% - 50px);
  background: var(--bg-card);
  border-left: 1px solid var(--border-card);
  display: flex;
  flex-direction: column;
  z-index: 50;
  animation: slideInFromRight 0.3s ease-out;
}
.shot-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-card);
}
.shot-list-header h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}
.shot-list-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-3);
}
.shot-list-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-10);
  text-align: center;
  color: var(--text-tertiary);
}
.shot-list-empty p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: var(--space-3) 0 var(--space-1);
}
.shot-list-empty span {
  font-size: 12px;
  margin-bottom: var(--space-4);
}
.shot-list-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border-card);
  background: var(--bg-workspace);
}
.shot-list-total {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Shot Item */
.shot-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  transition: all var(--transition);
  position: relative;
}
.shot-item:hover {
  border-color: var(--text-tertiary);
}
.shot-item.generating {
  border-color: var(--warning);
}
.shot-item.done {
  border-color: var(--success);
}
.shot-number {
  width: 24px;
  height: 24px;
  background: var(--bg-card);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.shot-preview {
  width: 80px;
  height: 45px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shot-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.shot-placeholder {
  font-size: 18px;
  color: var(--text-tertiary);
}
.shot-info {
  flex: 1;
  min-width: 0;
}
.shot-name-input {
  width: 100%;
  padding: 2px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  transition: border-color var(--transition);
}
.shot-name-input:focus {
  border-bottom-color: var(--cta-blue);
}
.shot-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-1) 0;
  font-size: 11px;
  color: var(--text-tertiary);
}
.shot-type-select {
  padding: 1px 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 3px;
  color: var(--text-secondary);
  font-size: 10px;
  outline: none;
}
.shot-duration {
  padding: 1px 6px;
  background: var(--bg-card);
  border-radius: 3px;
}
.shot-model {
  color: var(--cta-blue);
}
.shot-prompt-input {
  width: 100%;
  padding: var(--space-2);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 11px;
  resize: none;
  height: 40px;
  outline: none;
  transition: border-color var(--transition);
}
.shot-prompt-input:focus {
  border-color: var(--cta-blue);
}
.shot-actions {
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition);
}
.shot-item:hover .shot-actions {
  opacity: 1;
}
.shot-action-btn {
  width: 24px;
  height: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.shot-action-btn:hover {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}
.shot-action-btn.danger:hover {
  background: var(--error);
  border-color: var(--error);
}
.shot-status {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
}
.status-generating {
  font-size: 10px;
  color: var(--warning);
  animation: pulse 1.5s infinite;
}
.status-done {
  font-size: 10px;
  color: var(--success);
}
.status-error {
  font-size: 10px;
  color: var(--error);
}

/* ============================================
   Template Market
   ============================================ */
.template-market-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-out;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.template-market-container {
  width: 700px;
  max-width: 90vw;
  max-height: 80vh;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: scaleIn 0.2s ease-out;
}
@keyframes scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.template-market-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-card);
}
.template-market-header h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}
.template-market-filters {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border-card);
}
.filter-chip {
  padding: var(--space-1) var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-chip:hover {
  border-color: var(--text-tertiary);
  color: var(--text-primary);
}
.filter-chip.active {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}
.template-market-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  overflow-y: auto;
}
.template-market-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}
.template-market-card:hover {
  border-color: var(--cta-blue);
  background: rgba(99, 102, 241, 0.05);
}
.template-card-icon {
  font-size: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
}
.template-card-info {
  flex: 1;
  min-width: 0;
}
.template-card-name {
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 2px;
}
.template-card-desc {
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.template-card-tag {
  display: inline-block;
  margin-top: 4px;
  padding: 1px 6px;
  background: var(--bg-card);
  border-radius: var(--radius-pill);
  font-size: 10px;
  color: var(--text-secondary);
}
.template-card-use {
  padding: var(--space-1) var(--space-3);
  background: var(--cta-blue);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition);
}
.template-market-card:hover .template-card-use {
  opacity: 1;
}

/* ============================================
   Asset Library
   ============================================ */
.asset-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.asset-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}
.asset-item:hover {
  border-color: var(--cta-blue);
}
.asset-icon {
  font-size: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
}
.asset-info {
  flex: 1;
}
.asset-name {
  font-size: 13px;
  font-weight: 500;
}
.asset-meta {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ============================================
   Topbar Button Active State
   ============================================ */
.topbar-btn.active {
  background: var(--cta-blue);
  color: white;
  border-color: var(--cta-blue);
}

/* ============================================
   Admin Panel (管理员后台)
   ============================================ */
.admin-tab-content {
  display: none;
}
.admin-tab-content.active {
  display: block;
}

/* API Keys Grid */
.api-keys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--space-4);
}
.admin-api-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  transition: all var(--transition);
}
.admin-api-card:hover {
  border-color: var(--text-tertiary);
}
.admin-api-card.inactive {
  opacity: 0.7;
  border-style: dashed;
}
.admin-api-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-3);
}
.admin-api-provider {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.admin-api-platform {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}
.admin-api-status {
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
  flex-shrink: 0;
}
.admin-api-status.active {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}
.admin-api-status.inactive {
  background: rgba(107, 114, 128, 0.15);
  color: var(--text-tertiary);
}
.admin-api-key-row {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.admin-api-key-input {
  flex: 1;
  font-family: monospace;
  font-size: 12px;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-workspace);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}
.admin-api-key-input:focus {
  border-color: var(--cta-blue);
  color: var(--text-primary);
}
.admin-api-key-actions {
  display: flex;
  gap: var(--space-1);
}
.admin-api-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-card);
}
.admin-api-date {
  font-size: 11px;
  color: var(--text-tertiary);
}

/* Admin Data Table */
.admin-data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.admin-data-table th {
  padding: var(--space-3) var(--space-4);
  background: var(--bg-workspace);
  border-bottom: 1px solid var(--border-card);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-align: left;
  white-space: nowrap;
}
.admin-data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-card);
  font-size: 13px;
  color: var(--text-primary);
}
.admin-data-table tr:last-child td {
  border-bottom: none;
}
.admin-data-table tr:hover td {
  background: var(--bg-workspace);
}
.admin-user-status {
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 500;
}
.admin-user-status.active {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}
.admin-user-status.disabled {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

/* Admin Settings Form */
.admin-settings-form {
  max-width: 600px;
}
.admin-setting-group {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
}
.admin-setting-item {
  margin-bottom: var(--space-4);
}
.admin-setting-item:last-child {
  margin-bottom: 0;
}
.admin-setting-item .form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

/* ============================================
   Improved Empty Guide
   ============================================ */
.empty-guide-content {
  text-align: center;
  max-width: 400px;
}
.empty-guide-icon {
  font-size: 48px;
  opacity: 0.3;
  margin-bottom: var(--space-4);
}
.empty-guide-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.empty-guide-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}
.empty-guide-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-6);
}
.empty-guide-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition);
}
.empty-guide-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-tertiary);
}
.empty-guide-btn.primary {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}
.empty-guide-btn.primary:hover {
  background: #3B73F0;
}
.empty-guide-tips {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-6);
}
.tip-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  min-width: 72px;
}
.tip-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--cta-blue);
  transform: translateY(-2px);
}
.tip-icon {
  font-size: 20px;
  color: var(--text-secondary);
}
.tip-text {
  font-size: 11px;
  color: var(--text-tertiary);
}
.empty-guide-shortcuts {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}
.shortcut-hint {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 12px;
  color: var(--text-tertiary);
}
.shortcut-hint kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 4px;
  font-size: 11px;
  font-family: var(--font-sans);
  color: var(--text-secondary);
}

/* ============================================
   Result Overlay Actions
   ============================================ */
.result-overlay-actions {
  position: absolute;
  bottom: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}
.canvas-node:hover .result-overlay-actions {
  opacity: 1;
}
.result-action-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 28, 0.9);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.result-action-btn:hover {
  background: var(--cta-blue);
  border-color: var(--cta-blue);
  color: white;
}

/* ============================================
   Canvas Panning Cursor
   ============================================ */
.canvas-viewport.panning {
  cursor: grab;
}
.canvas-viewport.panning:active {
  cursor: grabbing;
}

/* ============================================
   Node Zoom Animation
   ============================================ */
.canvas-node.node-zoom-in {
  animation: nodeZoomIn 0.4s ease-out;
}
@keyframes nodeZoomIn {
  0% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}