/* colorus - base styles (site shell uses kosmos theme vars) */
:root {
  --bg: #0a0e1a;
  --bg2: #111827;
  --bg3: #1e293b;
  --surface: #1e293b;
  --border: #334155;
  --text: #f1f5f9;
  --text2: #94a3b8;
  --text3: #64748b;
  --accent1: #6366f1;
  --accent2: #8b5cf6;
  --accent3: #06b6d4;
  --success: #10b981;
  --warn: #f59e0b;
  --error: #ef4444;
  --code-bg: #0f172a;
  --grad: linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  --grad2: linear-gradient(135deg, #4f46e5, #7c3aed);
  --radius: 14px;
  --radius-sm: 8px;
  --font: -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image:
    radial-gradient(1200px 500px at 80% -10%, rgba(99,102,241,.12), transparent 60%),
    radial-gradient(900px 400px at 10% 110%, rgba(6,182,212,.08), transparent 60%);
  background-attachment: fixed;
}
a { color: var(--accent3); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10,14,26,.82);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1280px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 20px;
}
.logo { font-size: 20px; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.logo .grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.header-search {
  flex: 1; max-width: 360px; margin-left: auto;
  position: relative;
}
.header-search input {
  width: 100%; padding: 9px 14px 9px 36px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font-size: 14px; outline: none;
  transition: border-color .2s;
}
.header-search input:focus { border-color: var(--accent1); }
.header-search .search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); opacity: .5; }

/* ── Container ── */
.container { max-width: 1280px; margin: 0 auto; padding: 28px 24px 80px; }

/* ── Hero ── */
.hero { padding: 36px 0 28px; }
.hero h1 { font-size: 34px; margin-bottom: 10px; line-height: 1.2; }
.hero p { color: var(--text2); font-size: 15px; max-width: 640px; line-height: 1.7; }
.hero .stats { display: flex; gap: 24px; margin-top: 18px; flex-wrap: wrap; }
.hero .stat { display: flex; flex-direction: column; }
.hero .stat b { font-size: 22px; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero .stat span { font-size: 12px; color: var(--text3); }

/* ── Tabs ── */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 24px 0 14px; }
.tab-btn {
  padding: 8px 18px; border-radius: 999px; cursor: pointer;
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--text2); font-size: 14px; font-family: var(--font);
  transition: all .2s;
}
.tab-btn:hover { border-color: var(--accent1); color: var(--text); }
.tab-btn.active {
  background: var(--grad); color: #fff; border-color: transparent; font-weight: 600;
}

/* ── Tag chips ── */
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.tag-chip {
  padding: 5px 13px; border-radius: 999px; cursor: pointer;
  background: transparent; border: 1px solid var(--border);
  color: var(--text3); font-size: 12.5px; font-family: var(--font);
  transition: all .2s;
}
.tag-chip:hover { color: var(--text); border-color: var(--text3); }
.tag-chip.active { background: var(--accent1); border-color: transparent; color: #fff; }

/* ── Theme grid ── */
.section-title { font-size: 18px; margin: 28px 0 14px; display: flex; align-items: center; gap: 8px; }
.theme-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.theme-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: transform .2s, border-color .2s, box-shadow .2s;
  display: flex; flex-direction: column;
}
.theme-card:hover {
  transform: translateY(-3px); border-color: var(--accent1);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}
.card-swatches { display: flex; height: 56px; }
.card-swatches .sw { flex: 1; height: 100%; transition: flex-grow .2s; }
.theme-card:hover .card-swatches .sw { flex: 1.4; }
.card-body { padding: 16px 18px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-title { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 600; }
.card-vibe { font-size: 12.5px; color: var(--text3); }
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.card-tags span {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--bg2); border: 1px solid var(--border); color: var(--text2);
}
.card-footer {
  margin-top: auto; padding-top: 10px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border); margin-top: 12px; padding-top: 10px;
}
.card-hot { font-size: 12px; color: var(--text3); }
.card-hot b { color: var(--warn); }
.card-actions { display: flex; gap: 6px; }
.mini-btn {
  padding: 5px 12px; border-radius: 8px; font-size: 12px; cursor: pointer;
  background: var(--bg2); border: 1px solid var(--border); color: var(--text2);
  font-family: var(--font); transition: all .2s;
}
.mini-btn:hover { color: var(--text); border-color: var(--accent1); }
.mini-btn.primary { background: var(--accent1); color: #fff; border-color: transparent; }

/* ── Empty state ── */
.empty { text-align: center; padding: 60px 20px; color: var(--text3); }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--border); padding: 24px; text-align: center;
  color: var(--text3); font-size: 12.5px;
}
.site-footer a {
  color: var(--accent, #7dd3fc); text-decoration: none; font-weight: 600;
}
.site-footer a:hover { text-decoration: underline; }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--bg3); border: 1px solid var(--accent1); color: var(--text);
  padding: 12px 22px; border-radius: 10px; font-size: 14px; z-index: 999;
  transition: transform .3s; box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ── Responsive ── */
@media (max-width: 720px) {
  .hero h1 { font-size: 26px; }
  .header-search { max-width: 180px; }
  .theme-grid { grid-template-columns: 1fr; }
}