/* ai-devkit portal — Mansa design system. Dark-first (mirrors the iOS app), with a light
   theme. Dark: bg #121212, surfaces #272727/#303030, gold #E1C87C, white/60% text. Light:
   warm off-white with a deeper gold (#8a6d1f) for text/links so the brand reads with contrast.
   Brand gold (#E1C87C) stays the FILL color (buttons/chips) in both. Toggle in the nav. */
:root {
  /* dark (default) */
  --bg: #121212;
  --surface: #1b1b1b;
  --surface-2: #272727;
  --surface-3: #303030;
  --text: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-tertiary: rgba(255, 255, 255, 0.38);
  --accent: #e1c87c;            /* brand gold — fills (buttons, chips, badges) */
  --accent-strong: #cba55b;
  --accent-soft: rgba(225, 200, 124, 0.12);
  --accent-text: #e1c87c;       /* gold as text/links (varies per theme for contrast) */
  --border: #3a3a3a;
  --border-strong: #4e4e4e;
  --nav-bg: rgba(18, 18, 18, 0.82);
  --hero-from: #e8dab4; --hero-via: #e1c87c; --hero-to: #cba55b;
  --code-inline: #f0e2bc;
  --code-inline-bg: var(--surface-2);
  --green: #86e70b;
  --red: #dc5024;
  --blue: #5b8def;
  /* constant across themes — code blocks stay dark (readable on both) */
  --code-bg: #0d0d0d;
  --code-text: #e6e6e6;
  --radius: 10px;
  --radius-sm: 6px;
  --pad: 16px;
  --maxw: 1080px;
  --font: 'GT America', -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Helvetica, Arial, sans-serif;
  --mono: 'SF Mono', ui-monospace, 'JetBrains Mono', Menlo, Consolas, monospace;
}

:root[data-theme="light"] {
  --bg: #faf8f2;
  --surface: #ffffff;
  --surface-2: #f2ecdf;
  --surface-3: #e9e2d2;
  --text: #1a1712;
  --text-secondary: rgba(26, 23, 18, 0.62);
  --text-tertiary: rgba(26, 23, 18, 0.42);
  --accent: #e1c87c;            /* keep brand gold as fill */
  --accent-strong: #cba55b;
  --accent-soft: rgba(184, 144, 47, 0.14);
  --accent-text: #8a6d1f;       /* deeper gold for legible links/headings on light */
  --border: #e6ddc9;
  --border-strong: #d4c9ab;
  --nav-bg: rgba(250, 248, 242, 0.85);
  --hero-from: #caa23c; --hero-via: #b8902f; --hero-to: #8a6d1f;
  --code-inline: #6b531a;
  --code-inline-bg: #efe7d4;
  --green: #4e9106;
  --red: #c2451d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .2s, color .2s;
}
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Top nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: var(--nav-bg);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 60px; }
.brand { font-weight: 600; font-size: 17px; letter-spacing: 0.2px; color: var(--text); }
.brand .dot { color: var(--accent-text); }
.nav a.link { color: var(--text-secondary); font-size: 14px; }
.nav a.link:hover, .nav a.link.active { color: var(--text); text-decoration: none; }
.nav .spacer { flex: 1; }
.theme-toggle {
  cursor: pointer; width: 32px; height: 32px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: transparent; color: var(--text-secondary);
  font-size: 15px; line-height: 1; display: inline-flex; align-items: center; justify-content: center;
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent-text); }

/* Hero */
.hero { padding: 72px 0 40px; border-bottom: 1px solid var(--border); }
.hero h1 {
  font-size: 44px; line-height: 1.1; margin: 0 0 16px; font-weight: 600; letter-spacing: -0.5px;
  background: linear-gradient(120deg, var(--hero-from), var(--hero-via) 45%, var(--hero-to));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { font-size: 18px; color: var(--text-secondary); max-width: 720px; margin: 0 0 12px; }
.kicker { color: var(--accent-text); font-size: 13px; letter-spacing: 1.6px; text-transform: uppercase; margin-bottom: 14px; }

/* Sections */
section { padding: 44px 0; }
h2 { font-size: 24px; margin: 0 0 18px; font-weight: 600; letter-spacing: -0.2px; }
h3 { font-size: 18px; margin: 28px 0 10px; font-weight: 600; }
.muted { color: var(--text-secondary); }

/* Cards / catalog grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; transition: border-color .15s, transform .15s, background .15s; display: block;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); background: var(--surface-2); text-decoration: none; }
.card h3 { margin: 0 0 6px; font-size: 17px; color: var(--text); }
.card p { margin: 0 0 14px; color: var(--text-secondary); font-size: 14px; }
.card .row { display: flex; flex-wrap: wrap; gap: 6px; }

/* Badges / chips */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 500; padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--border-strong); color: var(--text-secondary); background: var(--surface-2);
  letter-spacing: .2px; text-transform: lowercase;
}
.badge.portable { color: var(--green); border-color: color-mix(in srgb, var(--green) 45%, transparent); background: color-mix(in srgb, var(--green) 10%, transparent); }
.badge.adaptable { color: var(--accent-text); border-color: color-mix(in srgb, var(--accent) 45%, transparent); background: var(--accent-soft); }
.badge.platform-specific { color: var(--text-secondary); }
.badge.type { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 40%, transparent); background: color-mix(in srgb, var(--blue) 10%, transparent); }
.badge.private { color: var(--red); border-color: color-mix(in srgb, var(--red) 45%, transparent); background: color-mix(in srgb, var(--red) 10%, transparent); }

/* Filter bar */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; align-items: center; }
.filters .label { color: var(--text-tertiary); font-size: 12px; margin-right: 4px; text-transform: uppercase; letter-spacing: 1px; }
.chip {
  cursor: pointer; font-size: 13px; padding: 6px 13px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: transparent; color: var(--text-secondary); font-family: var(--font);
}
.chip:hover { color: var(--text); border-color: var(--text-secondary); }
.chip.active { background: var(--accent); color: #1a1500; border-color: var(--accent); font-weight: 500; }

/* Detail page */
.detail-head { padding: 48px 0 24px; border-bottom: 1px solid var(--border); }
.detail-head h1 { font-size: 34px; margin: 10px 0 8px; font-weight: 600; }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.content { padding: 32px 0; }
.content p { color: var(--text); opacity: .9; }
.content ul, .content ol { color: var(--text); opacity: .9; }
.content h2 { font-size: 22px; margin-top: 34px; }
.content code { font-family: var(--mono); font-size: 13px; background: var(--code-inline-bg); padding: 2px 6px; border-radius: 4px; color: var(--code-inline); }
.content pre {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 16px; overflow-x: auto; line-height: 1.5;
}
.content pre code { background: none; padding: 0; color: var(--code-text); }
.content blockquote { border-left: 3px solid var(--accent); margin: 16px 0; padding: 2px 16px; color: var(--text-secondary); }
table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 14px; }
th, td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
th { background: var(--surface-2); }

/* Adaptation prompt block */
.adapt {
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); border-radius: var(--radius);
  padding: 20px; margin: 24px 0;
}
.adapt h3 { margin: 0 0 6px; color: var(--accent-text); }
.adapt .hint { color: var(--text-secondary); font-size: 13px; margin-bottom: 12px; }
.adapt pre { background: var(--code-bg); color: var(--code-text); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px; max-height: 360px; overflow: auto; }
.btn {
  cursor: pointer; font-family: var(--font); font-weight: 500; font-size: 13px;
  background: var(--accent); color: #1a1500; border: none; border-radius: var(--radius-sm);
  padding: 9px 16px; transition: background .15s;
}
.btn:hover { background: var(--accent-strong); }
.btn.copied { background: var(--green); color: #fff; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--text-tertiary); font-size: 13px; }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .nav-inner { gap: 16px; overflow-x: auto; }
}