/* weights-drop — dark theme, CSS variables, no framework. */

:root {
  --bg-0: #0a0d12;
  --bg-1: #11151c;
  --bg-2: #181f29;
  --bg-3: #222b38;
  --border: #283344;
  --border-strong: #3a4659;
  --fg-0: #e7edf6;
  --fg-1: #b4bccc;
  --fg-2: #7a8597;
  --accent: #5ee3ff;
  --accent-2: #ff5ee0;
  --good: #4ade80;
  --warn: #fbbf24;
  --bad: #f87171;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-0); color: var(--fg-0); font-family: var(--font-sans); }
body { min-height: 100vh; padding-bottom: 80px; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  font-family: inherit;
  background: var(--bg-2);
  color: var(--fg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
button:hover { background: var(--bg-3); border-color: var(--border-strong); }
button.active { background: var(--accent); color: #021118; border-color: var(--accent); }

input, select {
  font-family: inherit;
  background: var(--bg-2);
  color: var(--fg-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  font-size: 0.92rem;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.muted { color: var(--fg-2); font-size: 0.85rem; }

/* --- Header --- */
.site-header {
  display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between;
  padding: 1.4rem 1.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(94, 227, 255, 0.04), transparent 60%);
}
.brand h1 {
  margin: 0;
  font-size: 2rem; letter-spacing: -0.02em;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand .dot { color: var(--accent-2); -webkit-text-fill-color: var(--accent-2); }
.tagline { margin: 0.2rem 0 0; color: var(--fg-1); font-size: 0.96rem; }
.header-meta {
  display: flex; align-items: center; gap: 0.8rem;
}

/* --- Stats --- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  padding: 1rem 1.6rem 0.4rem;
}
.stat {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
}
.stat-label { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-2); }
.stat-value { font-size: 1.4rem; font-weight: 700; color: var(--fg-0); margin-top: 0.2rem; }

/* --- Filters --- */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 0.8rem 1rem;
  padding: 0.8rem 1.6rem; align-items: end;
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
  position: sticky; top: 0; z-index: 5;
  backdrop-filter: blur(6px);
}
.filter-group { display: flex; flex-direction: column; gap: 0.3rem; min-width: 110px; }
.filter-group.grow { flex: 1 1 220px; }
.filter-group .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-2); }
.pill-group { display: flex; gap: 0.3rem; }
.pill {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--fg-1);
  padding: 0.32rem 0.7rem; border-radius: 999px; font-size: 0.84rem;
}
.pill.active { background: var(--accent); color: #021118; border-color: var(--accent); }

/* --- Board --- */
.board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
  padding: 1.4rem 1.6rem;
}
.empty {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--fg-2);
  padding: 3rem 1rem;
}

.card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  cursor: pointer;
  transition: transform 0.12s, border-color 0.12s, background 0.12s;
}
.card:hover { transform: translateY(-2px); border-color: var(--border-strong); background: var(--bg-2); }

.card-head {
  display: flex; align-items: start; justify-content: space-between; gap: 0.6rem;
}
.card-title {
  font-family: var(--font-mono);
  font-size: 0.95rem; font-weight: 600;
  word-break: break-all;
}
.card-author { color: var(--fg-1); }
.card-name { color: var(--fg-0); }

.badge {
  font-size: 0.78rem; padding: 0.18rem 0.5rem; border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-2);
  display: inline-flex; align-items: center; gap: 0.35rem;
  white-space: nowrap;
}
.badge.frontier { color: var(--bad); border-color: var(--bad); background: rgba(248, 113, 113, 0.08); }
.badge.strong { color: var(--accent-2); border-color: var(--accent-2); background: rgba(255, 94, 224, 0.08); }
.badge.solid { color: var(--accent); border-color: var(--accent); background: rgba(94, 227, 255, 0.08); }
.badge.slow { color: var(--fg-2); }

.card-sub {
  font-size: 0.84rem; color: var(--fg-1); display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.chip {
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 0.12rem 0.5rem; border-radius: 6px;
  font-size: 0.76rem; color: var(--fg-1);
}
.chip.fp { background: rgba(94, 227, 255, 0.1); border-color: var(--accent); color: var(--accent); }

.metrics {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.4rem;
  font-size: 0.82rem;
}
.metric-cell { background: var(--bg-2); border-radius: 6px; padding: 0.4rem 0.5rem; }
.metric-cell .k { color: var(--fg-2); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; }
.metric-cell .v { color: var(--fg-0); font-weight: 600; }

.sparkline { width: 100%; height: 28px; }
.sparkline path { fill: none; stroke: var(--accent); stroke-width: 1.6; }
.sparkline .area { fill: rgba(94, 227, 255, 0.16); stroke: none; }

/* --- Drawer --- */
.drawer {
  position: fixed; top: 0; right: 0;
  height: 100%; width: min(520px, 100vw);
  background: var(--bg-1); border-left: 1px solid var(--border);
  transform: translateX(100%); transition: transform 0.22s ease;
  z-index: 30; box-shadow: var(--shadow);
}
.drawer.open { transform: translateX(0); }
.drawer-inner { padding: 1.4rem 1.4rem 4rem; height: 100%; overflow-y: auto; }
.drawer #drawer-close, .drawer #about-close {
  position: absolute; top: 0.6rem; right: 0.8rem;
  background: transparent; border: none; color: var(--fg-1); font-size: 1.4rem;
  padding: 0.2rem 0.6rem;
}

.drawer h2 {
  font-family: var(--font-mono); font-size: 1.1rem; margin: 0 0 0.4rem;
  word-break: break-all;
}
.drawer .verdict {
  padding: 0.7rem 0.9rem; background: var(--bg-2);
  border-left: 3px solid var(--accent); border-radius: 6px;
  margin: 0.8rem 0;
}
.drawer table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.drawer th, .drawer td { padding: 0.32rem 0.5rem; border-bottom: 1px solid var(--border); text-align: left; }
.drawer th { color: var(--fg-2); font-weight: 500; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.08em; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.3rem; margin: 0.6rem 0; }
.tag-cloud .chip { font-family: var(--font-mono); font-size: 0.72rem; }

/* --- Footer --- */
.site-footer {
  position: fixed; bottom: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 0.6rem 1.6rem;
  background: rgba(10, 13, 18, 0.92);
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--fg-1);
  backdrop-filter: blur(6px);
}

/* --- Responsive --- */
@media (max-width: 760px) {
  .site-header { padding: 1rem; }
  .stats-strip { grid-template-columns: repeat(2, 1fr); padding: 0.8rem 1rem; }
  .filter-bar { padding: 0.8rem 1rem; }
  .board { padding: 1rem; grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; gap: 0.2rem; padding: 0.6rem 1rem; }
  .header-meta { width: 100%; justify-content: space-between; }
}