/* PromptJS Showcase — Modern Design System v2.0
 * Generated by scripts/build-pages.js
 * Design: Dark elegant with glassmorphism accents
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg: #0a0a14;
  --bg-elevated: #13132b;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.07);
  --text: #e8e8ed;
  --text-muted: #8888a0;
  --text-dim: #5c5c78;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --accent: #a78bfa;
  --accent-soft: rgba(167,139,250,0.15);
  --accent-glow: rgba(167,139,250,0.3);
  --accent-2: #38bdf8;
  --accent-2-soft: rgba(56,189,248,0.15);
  --accent-3: #34d399;
  --accent-3-soft: rgba(52,211,153,0.15);
  --gradient-hero: linear-gradient(135deg, #1a1a3e 0%, #0f0f2e 30%, #1a0a2e 60%, #0a1628 100%);
  --gradient-accent: linear-gradient(135deg, #a78bfa, #38bdf8);
  --gradient-accent-reverse: linear-gradient(135deg, #38bdf8, #34d399);
  --code-bg: #0d0d1f;
  --code-text: #cdd6f4;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

::selection {
  background: rgba(167,139,250,0.3);
  color: #fff;
}

a { color: var(--accent-2); text-decoration: none; transition: color var(--transition); }
a:hover { color: #7dd3fc; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Ambient background ───────────────────────────────────────────────── */

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 80% at 20% 0%, rgba(167,139,250,0.08), transparent),
    radial-gradient(ellipse 60% 60% at 80% 100%, rgba(56,189,248,0.06), transparent),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(52,211,153,0.04), transparent);
  pointer-events: none;
}

/* ── Header ───────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,20,0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 1rem;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  transition: opacity var(--transition);
}
.logo-link:hover { opacity: 0.85; text-decoration: none; color: var(--text); }

.logo-mark { border-radius: 8px; }

.logo-text {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.3px;
}

.version-pill {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #c4b5fd;
  letter-spacing: 0.02em;
}

.header-nav { display: flex; gap: 1.5rem; align-items: center; }
.header-nav a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.3rem 0;
  border-bottom: 1.5px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.header-nav a:hover {
  color: var(--text);
  text-decoration: none;
  border-bottom-color: var(--accent);
}

/* ── Hero ──────────────────────────────────────────────────────────────── */

.hero {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(167,139,250,0.12) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(56,189,248,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.logo-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 0.5rem;
}
.logo-wrapper img { margin: auto; filter: drop-shadow(0 0 30px rgba(167,139,250,0.3)); }

.hero-logo {
  width: 100%;
  max-width: 280px;
  height: auto;
  margin-bottom: 1.5rem;
  align-self: center;
}

.hero-tagline {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 0 1rem;
  color: #fff;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.hero-tagline em {
  font-style: normal;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline-sub {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0.5rem 0 0.6rem;
  color: var(--text-muted);
  letter-spacing: -0.2px;
}

.hero-bridge {
  font-size: 0.95rem;
  font-weight: 500;
  margin: 0 0 1.5rem;
  color: var(--accent-glow);
  letter-spacing: 0.02em;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 2rem;
  max-width: 560px;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.stat-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.8rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 100px;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), transform var(--transition);
}
.stat-pill:hover {
  border-color: var(--accent-glow);
  transform: translateY(-2px);
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-top: 2px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: -0.2px;
}

.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient-accent);
  color: #0a0a14;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(167,139,250,0.45);
  color: #0a0a14;
}

.btn-secondary {
  background: var(--accent-2-soft);
  border-color: rgba(125,211,252,0.3);
  color: var(--accent-2);
  font-family: monospace;
  font-size: 0.85rem;
}
.btn-secondary:hover { background: rgba(125,211,252,0.2); color: #bae6fd; }

.btn-ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: var(--surface-hover); border-color: rgba(255,255,255,0.2); color: #fff; }

.btn-accent {
  background: var(--accent-3-soft);
  border-color: rgba(52,211,153,0.25);
  color: var(--accent-3);
}
.btn-accent:hover { background: rgba(52,211,153,0.2); color: #6ee7b7; }

/* ── Section ───────────────────────────────────────────────────────────── */

.section-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 3.5rem 0 1.8rem;
  letter-spacing: -0.4px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1.5px;
  background: linear-gradient(90deg, var(--border-strong), transparent);
  border-radius: 1px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: -1.2rem 0 1.8rem;
}
.section-sub a { color: var(--accent-2); font-weight: 600; }

/* ── Example grid (landing page) ───────────────────────────────────────── */

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.example-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.example-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent-reverse);
  opacity: 0;
  transition: opacity var(--transition);
}

.example-card:hover {
  text-decoration: none;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-glow);
  color: var(--text);
}
.example-card:hover::before { opacity: 1; }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.6rem;
  gap: 0.5rem;
}

.card-header h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.2px;
}

.card-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-3-soft);
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-left: 0.4rem;
  vertical-align: middle;
}

.card-size {
  font-size: 0.7rem;
  color: var(--text-dim);
  white-space: nowrap;
  font-weight: 500;
  padding: 0.2rem 0.5rem;
  background: var(--surface);
  border-radius: var(--radius-xs);
}

.card-description {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0 0 0.9rem;
  line-height: 1.5;
  flex-shrink: 0;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tag {
  font-size: 0.68rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-2-soft);
  color: #7dd3fc;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.card-snippet {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', Monaco, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.55;
  overflow: hidden;
  margin: 0 0 0.9rem;
  max-height: 155px;
  border: 1px solid rgba(255,255,255,0.04);
  flex-shrink: 0;
}

.card-cta {
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.card-complex {
  border-color: rgba(52,211,153,0.15);
}
.card-complex::before {
  background: linear-gradient(90deg, var(--accent-3), var(--accent-2));
}

/* ── Features ──────────────────────────────────────────────────────────── */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition), transform var(--transition);
}
.feature:hover {
  border-color: rgba(167,139,250,0.25);
  transform: translateY(-2px);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #e0e0f0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.feature p { margin: 0; font-size: 0.88rem; color: var(--text-muted); line-height: 1.55; }
.feature code {
  background: rgba(167,139,250,0.1);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-xs);
  font-size: 0.85em;
  color: #c4b5fd;
}

/* ── Example page (split view) ─────────────────────────────────────────── */

.example-page { padding: 2rem 1.5rem 4rem; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-xs);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.back-link:hover { color: #fff; border-color: var(--border-strong); text-decoration: none; }

.example-header { margin-bottom: 2.5rem; }
.example-header h1 {
  margin: 0 0 0.5rem;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.example-description { margin: 0 0 0.8rem; color: var(--text-muted); font-size: 1rem; }

.split-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

@media (max-width: 880px) {
  .split-view { grid-template-columns: 1fr; }
}

.source-panel,
.preview-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 480px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.panel-title {
  font-family: 'SF Mono', 'Fira Code', Monaco, 'Cascadia Code', Consolas, monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
}

.copy-btn,
.reload-btn {
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 600;
  transition: all var(--transition);
  font-family: inherit;
}
.copy-btn:hover,
.reload-btn:hover { background: var(--accent-soft); border-color: var(--accent-glow); color: #c4b5fd; }

.source-code {
  flex: 1;
  margin: 0;
  padding: 1.2rem;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', Monaco, Consolas, monospace;
  font-size: 0.84rem;
  line-height: 1.6;
  overflow: auto;
  white-space: pre;
  tab-size: 2;
}

.preview-frame {
  flex: 1;
  width: 100%;
  border: 0;
  background: #fff;
  min-height: 400px;
}

.warnings {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  background: rgba(251,191,36,0.06);
  border: 1px solid rgba(251,191,36,0.2);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.warnings summary { cursor: pointer; font-weight: 700; color: #fbbf24; }
.warnings ul { margin: 0.5rem 0 0; padding-left: 1.2rem; color: var(--text-muted); }
.warnings code {
  background: rgba(251,191,36,0.1);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
  font-size: 0.9em;
}

/* ── Pipeline Flow ────────────────────────────────────────────────────── */

.pipeline-section { margin-bottom: 3rem; }

.pipeline-flow {
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* ── Benchmark Teaser ─────────────────────────────────────────────────── */

.benchmark-teaser { margin-bottom: 3rem; }

.bench-mini { max-width: 560px; }

.bench-bar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.6rem;
}

.bench-name {
  font-size: 0.8rem;
  font-weight: 700;
  min-width: 85px;
  color: var(--text);
}

.bench-bar-track {
  flex: 1;
  height: 26px;
  background: var(--surface);
  border-radius: var(--radius-xs);
  overflow: hidden;
  border: 1px solid var(--border);
}

.bench-bar-fill {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  background: var(--gradient-accent-reverse);
  border-radius: var(--radius-xs);
  font-size: 0.7rem;
  font-weight: 700;
  color: #0a0a14;
  padding-right: 0.6rem;
  min-width: fit-content;
}

.bench-accent-2 { background: var(--gradient-accent); }
.bench-accent-3 { background: rgba(255,255,255,0.12); }

.bench-note {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.8rem;
}

/* ── QA Section ───────────────────────────────────────────────────────── */

.qa-section { margin-bottom: 3rem; }

.qa-grid {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.qa-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 130px;
  backdrop-filter: blur(8px);
  transition: border-color var(--transition);
}
.qa-badge:hover { border-color: var(--accent-glow); }

.qa-icon { font-size: 1.3rem; margin-bottom: 0.4rem; }
.qa-num {
  font-size: 1.8rem;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.qa-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* ── SVG Icons ────────────────────────────────────────────────────────── */

.feature-icon { display: inline-flex; align-items: center; }
.feature-icon svg { display: block; color: var(--accent); }
.qa-icon svg { display: block; margin: 0 auto; color: var(--accent); }

.pipeline-svg { width: 100%; max-width: 900px; height: auto; display: block; margin: 0 auto; }

/* ── Complex App Cards ────────────────────────────────────────────────── */

.app-open-section {
  margin: 2.5rem 0;
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.app-open-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(52,211,153,0.08), transparent 60%);
  pointer-events: none;
}

.app-open-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  background: var(--gradient-accent-reverse);
  color: #0a0a14;
  border-radius: var(--radius-sm);
  font-weight: 800;
  font-size: 1.05rem;
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px rgba(52,211,153,0.2);
}

.app-open-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(52,211,153,0.35);
  color: #0a0a14;
  text-decoration: none;
}

.app-open-btn svg { vertical-align: -2px; }

.app-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  position: relative;
  z-index: 1;
}

.back-icon { vertical-align: -3px; display: inline-flex; color: var(--text-muted); }

/* ── App page tabs ────────────────────────────────────────────────────── */

.app-page-tabs {
  display: flex;
  gap: 0.3rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.app-page-tab {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-xs);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  font-family: inherit;
}
.app-page-tab:hover {
  color: #fff;
  border-color: var(--accent-2);
  background: var(--accent-2-soft);
}

/* ── Footer ────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  background: var(--bg-elevated);
}

.site-footer p { margin: 0.3rem 0; }
.site-footer a { color: var(--accent-2); }
.footer-meta { font-size: 0.75rem; opacity: 0.6; }
.footer-meta code {
  background: var(--surface);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-size: 0.85em;
  color: var(--text-muted);
}