/* CodeFaithBench -- custom layer on top of Tailwind CDN */

:root {
  --bg: #020617;          /* slate-950 */
  --surface: #0f172a;     /* slate-900 */
  --border: #1e293b;      /* slate-800 */
  --border-hover: #f59e0b;/* amber-500 */
  --text: #f1f5f9;        /* slate-100 */
  --text-soft: #cbd5e1;   /* slate-300 */
  --text-muted: #64748b;  /* slate-500 */
  --accent: #f59e0b;      /* amber-500 */
  --accent-hover: #fbbf24;/* amber-400 */
  --accent-bg: #451a03;   /* amber-950 */
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.font-serif { font-family: 'Georgia', 'Times New Roman', serif; }
.font-mono  { font-family: 'JetBrains Mono', 'Consolas', 'Monaco', monospace; }

/* Eyebrow labels */
.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--border-hover); }

.card-dashed {
  background: var(--surface);
  border: 1px dashed #334155;
  border-radius: 1rem;
  padding: 1.5rem;
  transition: border-color 0.2s ease;
}
.card-dashed:hover { border-color: var(--border-hover); }

/* Icon tile */
.icon-tile {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.5rem;
  background: var(--accent-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-tile-lg { width: 3rem; height: 3rem; border-radius: 0.75rem; }
.icon-tile svg { color: var(--accent); }

/* Code block */
pre.code-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  overflow-x: auto;
  font-family: 'JetBrains Mono', 'Consolas', 'Monaco', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-soft);
  margin: 0;
}

.tok-kw  { color: #c084fc; }
.tok-fn  { color: #60a5fa; }
.tok-com { color: #64748b; font-style: italic; }
.tok-acc { color: #fbbf24; }

/* Quote bubble */
.bubble {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
}
.bubble em { font-style: italic; color: var(--text); }

/* Sticky nav with frosted glass */
.nav-sticky {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(2, 6, 23, 0.75);
  border-bottom: 1px solid var(--border);
}

nav a.nav-link, nav button.nav-link {
  color: #94a3b8;
  font-weight: 500;
  font-size: 0.875rem;
  transition: color 0.15s ease;
  background: none;
  border: none;
  cursor: pointer;
}
nav a.nav-link:hover, nav a.nav-link.active,
nav button.nav-link:hover, nav button.nav-link.active {
  color: var(--accent);
}

/* Buttons */
.btn-primary {
  background: var(--accent);
  color: #020617;
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.15s ease;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  border: 1px solid #334155;
  color: var(--text);
  font-weight: 600;
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  transition: border-color 0.15s ease;
}
.btn-secondary:hover { border-color: #64748b; }

/* Decorative gradient orbs */
.orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(64px);
  pointer-events: none;
  opacity: 0.15;
}
.orb-amber { background: #d97706; }
.orb-blue  { background: #1e3a8a; opacity: 0.25; }

/* Inline links */
a.link {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}
a.link:hover { color: var(--accent-hover); }

/* Footer text */
.muted { color: var(--text-muted); }