/* ============================================
   StoryFlow — iOS 26 Liquid Glass Design System
   毛玻璃效果 · 浅蓝主色 · 响应式
   ============================================ */

:root {
  /* Colors */
  --bg-primary: #EFF4FA;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-footer: #E8F0F8;
  --bg-hover: #E3F0FF;
  --accent: #007AFF;
  --accent-light: #E3F0FF;
  --accent-dark: #0056CC;
  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --text-tertiary: #AEAEB2;
  --border: rgba(0, 0, 0, 0.08);
  --border-light: rgba(0, 0, 0, 0.05);
  --danger: #FF3B30;
  --danger-light: #FFF5F5;
  --success: #34C759;
  --warning: #FF9500;

  /* Glass tokens */
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-hover: rgba(255, 255, 255, 0.70);
  --glass-bg-solid: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.50);
  --glass-border-outer: rgba(0, 0, 0, 0.06);
  --glass-blur: blur(20px) saturate(180%);
  --glass-blur-heavy: blur(40px) saturate(200%);
  --glass-shadow: 0 8px 32px rgba(0, 40, 80, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.40);
  --glass-shadow-lg: 0 20px 60px rgba(0, 40, 80, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.50);
  --glass-highlight: linear-gradient(135deg, rgba(255,255,255,0.30) 0%, rgba(255,255,255,0) 50%);

  /* Radius */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 24px;
  --r-pill: 28px;

  /* Shadows (legacy compat) */
  --shadow-sm: 0 2px 8px rgba(0, 40, 80, 0.06);
  --shadow-md: var(--glass-shadow);
  --shadow-lg: var(--glass-shadow-lg);

  /* Spacing */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 40px;
  --sp-2xl: 60px;
  --sp-3xl: 80px;

  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Inter", "Segoe UI", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}
/* Ambient gradient blobs — make glass blur visible */
body::before {
  content: '';
  position: fixed;
  top: -10%; left: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0, 122, 255, 0.12), transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}
body::after {
  content: '';
  position: fixed;
  bottom: -10%; right: -5%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(100, 180, 255, 0.10), transparent 70%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
/* Ensure content above blobs */
header, section, footer, .app-page, .login-page { position: relative; z-index: 1; }

/* ===== Utilities ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--sp-xl); }
.text-center { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--sp-sm); }
.gap-md { gap: var(--sp-md); }
.gap-lg { gap: var(--sp-lg); }
.gap-xl { gap: var(--sp-xl); }

/* ===== Buttons (Liquid Glass) ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: 10px 24px;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 122, 255, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0, 122, 255, 0.40), inset 0 1px 0 rgba(255, 255, 255, 0.30); }
.btn-secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-primary);
  border-color: var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.btn-secondary:hover { background: var(--glass-bg-hover); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--accent);
}
.btn-ghost:hover { background: rgba(0, 122, 255, 0.08); }
.btn-danger { background: var(--danger); color: #fff; box-shadow: 0 4px 16px rgba(255, 59, 48, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.25); }
.btn-sm { padding: 6px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ===== Header / Nav (Liquid Glass) ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  border-bottom: 1px solid var(--glass-border-outer);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.30), 0 4px 24px rgba(0, 40, 80, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-xl);
}
.site-header .logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.site-header nav { display: flex; gap: var(--sp-xl); }
.site-header nav a { font-size: 14px; color: var(--text-primary); transition: color 0.2s; }
.site-header nav a:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: var(--sp-md); }

/* Mobile header */
.mobile-menu-btn { display: none; }
@media (max-width: 768px) {
  .site-header { padding: 0 var(--sp-lg); }
  .site-header nav { display: none; }
  .mobile-menu-btn { display: block; }
}

/* ===== Cards (Liquid Glass) ===== */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--sp-lg);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--r-lg);
  background: var(--glass-highlight);
  pointer-events: none;
}
.card-hover:hover {
  box-shadow: var(--glass-shadow-lg);
  transform: translateY(-3px);
  background: var(--glass-bg-hover);
}

/* ===== Forms (Liquid Glass) ===== */
.form-group { margin-bottom: var(--sp-lg); }
.form-label { display: block; font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: var(--sp-sm); }
.form-hint { font-size: 13px; color: var(--text-secondary); margin-top: var(--sp-xs); }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--glass-border-outer);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.60);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-primary);
  font-size: 15px;
  transition: all 0.2s;
  outline: none;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.80);
  box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.12), inset 0 1px 2px rgba(0, 0, 0, 0.03);
}
.form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }
.form-select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386868B' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }

/* Radio group */
.radio-group { display: flex; gap: var(--sp-sm); flex-wrap: wrap; }
.radio-option {
  padding: 10px 20px;
  border: 1px solid var(--glass-border-outer);
  border-radius: var(--r-pill);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(255, 255, 255, 0.50);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.radio-option.active {
  border-color: var(--accent);
  background: rgba(0, 122, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.30);
}

/* ===== Badges (Liquid Glass) ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.30);
}
.badge-blue { background: rgba(0, 122, 255, 0.12); color: var(--accent); }
.badge-green { background: rgba(52, 199, 89, 0.12); color: var(--success); }
.badge-orange { background: rgba(255, 149, 0, 0.12); color: var(--warning); }
.badge-red { background: rgba(255, 59, 48, 0.12); color: var(--danger); }
.badge-gray { background: rgba(142, 142, 147, 0.12); color: var(--text-secondary); }

/* ===== Status indicators ===== */
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.status-dot.generating { background: var(--warning); animation: pulse 1.5s infinite; }
.status-dot.outline_ready { background: var(--accent); }
.status-dot.confirmed { background: var(--success); }
.status-dot.generating_dialogue { background: var(--warning); animation: pulse 1.5s infinite; }
.status-dot.script_ready { background: var(--success); }
.status-dot.failed { background: var(--danger); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ===== Product Preview Mockups ===== */
.preview-mockup {
  width: 100%; height: 100%;
  background: #FFFFFF;
  border-radius: var(--r-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-size: 13px;
}
.mockup-bar {
  height: 32px;
  background: #F4F8FC;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  flex-shrink: 0;
}
.mockup-bar .dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-bar .dot.r { background: #FF5F57; }
.mockup-bar .dot.y { background: #FEBC2E; }
.mockup-bar .dot.g { background: #28C840; }
.mockup-bar .url { margin-left: 12px; font-size: 11px; color: var(--text-tertiary); background: #fff; padding: 2px 12px; border-radius: 6px; border: 1px solid var(--border-light); }
.mockup-body { flex: 1; padding: 16px; overflow: hidden; display: flex; flex-direction: column; gap: 10px; }
.mockup-card { background: #F8FBFE; border: 1px solid var(--border-light); border-radius: 8px; padding: 10px 12px; }
.mockup-card .mc-title { font-weight: 600; font-size: 13px; color: var(--text-primary); margin-bottom: 4px; }
.mockup-card .mc-meta { font-size: 11px; color: var(--text-secondary); display: flex; gap: 8px; }
.mockup-badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 500; }
.mockup-badge.blue { background: #E3F0FF; color: #007AFF; }
.mockup-badge.green { background: #E8F8EE; color: #34C759; }
.mockup-badge.orange { background: #FFF4E6; color: #FF9500; }
.mockup-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid #F0F4F8; }
.mockup-row:last-child { border-bottom: none; }
.mockup-line { height: 6px; border-radius: 3px; background: #E3EDF5; }
.mockup-line.short { width: 60%; }
.mockup-line.medium { width: 80%; }
.mockup-line.accent { background: #B0D4F8; }

/* SVG chart styles */
.mockup-chart { width: 100%; flex: 1; min-height: 120px; }
.mockup-script { font-size: 11px; line-height: 1.6; color: var(--text-secondary); }
.mockup-script .scene-h { color: #007AFF; font-weight: 600; font-size: 11px; margin-bottom: 4px; }
.mockup-script .char { font-weight: 600; color: var(--text-primary); }
.mockup-script .dial { color: var(--text-primary); margin-left: 8px; }
.mockup-script .act { font-style: italic; color: var(--text-secondary); }

/* Progress bar */
.mockup-progress { height: 4px; border-radius: 2px; background: #E3EDF5; overflow: hidden; }
.mockup-progress .fill { height: 100%; border-radius: 2px; background: #007AFF; }

.hero {
  padding: 100px var(--sp-xl) 80px;
  display: flex;
  align-items: center;
  gap: var(--sp-2xl);
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero-content { flex: 1; display: flex; flex-direction: column; gap: var(--sp-lg); }
.hero-visual {
  width: 480px;
  height: 360px;
  border-radius: var(--r-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.hero-visual::before { content: ''; position: absolute; inset: 0; border-radius: var(--r-xl); background: var(--glass-highlight); pointer-events: none; }
.hero-title { font-size: 56px; font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; color: var(--text-primary); }
.hero-subtitle { font-size: 20px; color: var(--text-secondary); line-height: 1.5; max-width: 520px; }

.section { padding: 80px var(--sp-xl); max-width: var(--max-width); margin: 0 auto; }
.section-white { background: rgba(255, 255, 255, 0.40); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.section-title { font-size: 40px; font-weight: 700; text-align: center; letter-spacing: -0.02em; margin-bottom: var(--sp-md); }
.section-subtitle { font-size: 18px; color: var(--text-secondary); text-align: center; }

/* Feature block (alternating) */
.feature-block { display: flex; align-items: center; gap: 60px; margin-bottom: var(--sp-3xl); }
.feature-block:last-child { margin-bottom: 0; }
.feature-block.reverse { flex-direction: row-reverse; }
.feature-text { flex: 1; }
.feature-text h3 { font-size: 32px; font-weight: 700; margin-bottom: var(--sp-md); letter-spacing: -0.02em; }
.feature-text p { font-size: 17px; color: var(--text-secondary); line-height: 1.6; }
.feature-visual {
  width: 480px;
  height: 320px;
  border-radius: var(--r-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-lg);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
  overflow: hidden;
  position: relative;
}
.feature-visual::before { content: ''; position: absolute; inset: 0; border-radius: var(--r-xl); background: var(--glass-highlight); pointer-events: none; }

/* Grid cards (Liquid Glass) */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); }
.grid-card { background: var(--glass-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid var(--glass-border); border-radius: var(--r-lg); padding: 28px; box-shadow: var(--glass-shadow); transition: all 0.25s; position: relative; overflow: hidden; }
.grid-card::before { content: ''; position: absolute; inset: 0; border-radius: var(--r-lg); background: var(--glass-highlight); pointer-events: none; }
.grid-card:hover { transform: translateY(-3px); box-shadow: var(--glass-shadow-lg); background: var(--glass-bg-hover); }
.grid-card h4 { font-size: 17px; font-weight: 600; margin-bottom: var(--sp-sm); position: relative; }
.grid-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; position: relative; }
.grid-card-icon { width: 36px; height: 36px; margin-bottom: var(--sp-md); color: var(--accent); position: relative; }

/* Pain/Solution (Liquid Glass) */
.pain-solution { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-xl); }
.pain-card, .solution-card { display: flex; gap: var(--sp-md); padding: 20px; border-radius: var(--r-md); border: 1px solid; align-items: flex-start; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.30); }
.pain-card { background: rgba(255, 59, 48, 0.08); border-color: rgba(255, 59, 48, 0.15); }
.solution-card { background: rgba(0, 122, 255, 0.08); border-color: rgba(0, 122, 255, 0.15); }
.pain-card .icon, .solution-card .icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.30); }
.pain-card .icon { background: var(--danger); }
.solution-card .icon { background: var(--accent); }
.pain-card h5, .solution-card h5 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.pain-card p, .solution-card p { font-size: 14px; color: var(--text-secondary); }

/* Footer (Liquid Glass) */
.site-footer { background: rgba(232, 240, 248, 0.60); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); padding: 60px var(--sp-xl) 40px; border-top: 1px solid var(--glass-border-outer); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-xl); }
.footer-brand .logo { font-size: 20px; font-weight: 700; margin-bottom: var(--sp-sm); }
.footer-brand p { font-size: 14px; color: var(--text-secondary); }
.footer-links { display: flex; gap: 60px; }
.footer-links h6 { font-size: 13px; font-weight: 600; margin-bottom: 12px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: var(--text-secondary); transition: color 0.2s; }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom { max-width: var(--max-width); margin: var(--sp-xl) auto 0; padding-top: var(--sp-lg); border-top: 1px solid var(--border); display: flex; justify-content: space-between; font-size: 13px; color: var(--text-secondary); }

/* ===== App Pages (Dashboard, Create, Project) ===== */
.app-page { padding: var(--sp-2xl) var(--sp-xl); max-width: var(--max-width); margin: 0 auto; }
.app-title { font-size: 32px; font-weight: 700; margin-bottom: var(--sp-lg); }

/* Project list */
.project-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--sp-lg); }
.project-card { cursor: pointer; }
.project-card h4 { font-size: 18px; font-weight: 600; margin-bottom: var(--sp-sm); }
.project-card .meta { font-size: 13px; color: var(--text-secondary); display: flex; gap: var(--sp-md); flex-wrap: wrap; }
.project-card .status-row { display: flex; align-items: center; gap: var(--sp-sm); margin-top: var(--sp-md); }

/* Episode list (Liquid Glass) */
.episode-list { display: flex; flex-direction: column; gap: var(--sp-sm); }
.episode-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-md) var(--sp-lg);
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border-outer);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.30);
}
.episode-item:hover { border-color: var(--accent); background: rgba(0, 122, 255, 0.08); transform: translateX(2px); }
.episode-item .ep-num { font-weight: 600; color: var(--accent); width: 60px; }
.episode-item .ep-title { flex: 1; font-size: 15px; }
.episode-item .ep-status { font-size: 13px; color: var(--text-secondary); }

/* Script viewer (Liquid Glass) */
.script-viewer { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border); border-radius: var(--r-lg); padding: var(--sp-xl); max-height: 70vh; overflow-y: auto; box-shadow: var(--glass-shadow); }
.script-scene { margin-bottom: var(--sp-lg); }
.script-scene h5 { font-size: 14px; font-weight: 600; color: var(--accent); margin-bottom: var(--sp-sm); padding-bottom: var(--sp-xs); border-bottom: 1px solid var(--border-light); }
.script-line { margin-bottom: var(--sp-sm); }
.script-character { font-weight: 600; color: var(--text-primary); }
.script-dialogue { color: var(--text-primary); margin-left: var(--sp-md); }

/* Thinking chain (Liquid Glass — dark) */
.thinking-chain { background: rgba(29, 29, 31, 0.75); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); color: #E0E0E0; border: 1px solid rgba(255, 255, 255, 0.10); border-radius: var(--r-md); padding: var(--sp-lg); font-family: "SF Mono", "Fira Code", monospace; font-size: 13px; line-height: 1.6; max-height: 400px; overflow-y: auto; white-space: pre-wrap; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 32px rgba(0, 0, 0, 0.12); }

/* Toast (Liquid Glass) */
.toast-container { position: fixed; top: 80px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: var(--sp-sm); }
.toast { padding: 12px 20px; border-radius: var(--r-md); font-size: 14px; color: #fff; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.20); box-shadow: var(--glass-shadow-lg); animation: slideIn 0.3s ease; max-width: 360px; }
.toast.success { background: rgba(52, 199, 89, 0.85); }
.toast.error { background: rgba(255, 59, 48, 0.85); }
.toast.info { background: rgba(0, 122, 255, 0.85); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Modal (Liquid Glass) */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.25); z-index: 200; display: flex; align-items: center; justify-content: center; padding: var(--sp-lg); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.modal { background: var(--glass-bg-solid); backdrop-filter: var(--glass-blur-heavy); -webkit-backdrop-filter: var(--glass-blur-heavy); border: 1px solid var(--glass-border); border-radius: var(--r-xl); padding: var(--sp-xl); max-width: 480px; width: 100%; box-shadow: var(--glass-shadow-lg); position: relative; overflow: hidden; }
.modal::before { content: ''; position: absolute; inset: 0; border-radius: var(--r-xl); background: var(--glass-highlight); pointer-events: none; }
.modal h3 { font-size: 20px; font-weight: 700; margin-bottom: var(--sp-md); position: relative; }

/* Empty state */
.empty-state { text-align: center; padding: var(--sp-3xl) var(--sp-lg); }
.empty-state h3 { font-size: 20px; font-weight: 600; margin-bottom: var(--sp-sm); color: var(--text-secondary); }
.empty-state p { font-size: 15px; color: var(--text-tertiary); margin-bottom: var(--sp-lg); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero { flex-direction: column; text-align: center; }
  .hero-content { align-items: center; }
  .hero-visual { width: 100%; max-width: 480px; height: 280px; }
  .hero-title { font-size: 44px; }
  .feature-block { flex-direction: column !important; gap: var(--sp-lg); }
  .feature-visual { width: 100%; max-width: 480px; height: 260px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .pain-solution { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 56px; }
  .hero { padding: 50px var(--sp-lg) 40px; gap: var(--sp-lg); }
  .hero-title { font-size: 36px; line-height: 1.2; }
  .hero-subtitle { font-size: 16px; }
  .hero-visual { height: 220px; }
  .section { padding: 50px var(--sp-lg); }
  .section-title { font-size: 28px; }
  .section-subtitle { font-size: 15px; }
  .feature-text h3 { font-size: 24px; }
  .feature-text p { font-size: 15px; }
  .feature-visual { height: 200px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-card { padding: 20px; }
  .footer-links { gap: 40px; }
  .footer-inner { flex-direction: column; }
  .app-page { padding: var(--sp-xl) var(--sp-lg); }
  .app-title { font-size: 24px; }
  .btn { width: 100%; }
  .btn:not(.btn-sm):not(.btn-ghost) { width: 100%; }
  .hero .btn, .hero-content .btn { width: 100%; }
  .pain-card, .solution-card { padding: 14px; }
  .project-list { grid-template-columns: 1fr; }
  .script-viewer { padding: var(--sp-lg); }
  .footer-bottom { flex-direction: column; gap: var(--sp-sm); text-align: center; }
}