:root {
  --bg: #050914;
  --surface: #0b1222;
  --surface-2: #111b31;
  --border: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --amber: #f59e0b;
  --violet: #a78bfa;
  --emerald: #10b981;
  --rose: #f43f5e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at 20% 0%, #0f1b38 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #020617; padding: 2px 6px; border-radius: 4px; color: var(--accent); font-size: 0.85em; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  background: rgba(11, 18, 34, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand { display: flex; align-items: center; gap: 16px; }
.patch { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; border: 1px solid var(--border); }
.kicker { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); font-weight: 700; }
.topbar h1 { margin: 2px 0; font-size: 1.45rem; }
.meta-line { font-size: 0.84rem; color: var(--muted); }

.top-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn-accent { background: rgba(56, 189, 248, 0.16); border-color: var(--accent); color: #bae6fd; }
.btn-sm { padding: 6px 11px; font-size: 0.8rem; }

.shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: 20px 24px 40px;
  display: grid;
  gap: 20px;
}

.site-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
}
.site-bar-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; color: var(--muted); }
.site-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.site-tab {
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
}
.site-tab.active { background: rgba(56, 189, 248, 0.18); border-color: var(--accent); color: #f0f9ff; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
}

.hero-summary {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  align-items: center;
}
.hero-summary h2 { margin: 8px 0 4px; font-size: 1.35rem; }
.theme-sub { margin: 0 0 8px; color: var(--accent); font-size: 0.92rem; font-weight: 600; }
.driver-copy { margin: 0; color: var(--muted); font-size: 0.9rem; }

.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.stat-box {
  background: #070d1b;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 13px;
}
.stat-label { font-size: 0.76rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.stat-val { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-top: 2px; }

.pill {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border: 1px solid var(--accent);
  background: rgba(56, 189, 248, 0.16);
  color: #bae6fd;
}

.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.card-head h3 { margin: 0 0 2px; font-size: 1.05rem; }
.card-sub { margin: 0; font-size: 0.82rem; color: var(--muted); }

.map-box { height: 340px; width: 100%; border-radius: 10px; border: 1px solid var(--border); background: #020617; overflow: hidden; }
.legend { display: flex; gap: 16px; margin-top: 8px; font-size: 0.8rem; color: var(--muted); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; }
.dot-gcov { background: #38bdf8; }
.dot-gunw { background: #f59e0b; }
.dot-s1 { background: #a78bfa; }

.layer-controls { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 10px; font-size: 0.82rem; color: var(--muted); }
.layer-controls select {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  margin-left: 4px;
}

.wipe-container {
  position: relative;
  width: 100%;
  height: 300px;
  background: #020617;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  user-select: none;
  cursor: ew-resize;
  touch-action: none;
}
.wipe-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #020617;
}
.wipe-overlay {
  position: absolute;
  inset: 0;
  width: 50%;
  overflow: hidden;
}
.wipe-overlay .wipe-img {
  width: 100%;
  max-width: none;
}
.wipe-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--accent);
  pointer-events: none;
}
.wipe-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #020617;
  font-weight: 900;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}
.wipe-tag {
  position: absolute;
  top: 10px;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 6px;
  background: rgba(2, 6, 23, 0.82);
  border: 1px solid var(--border);
}
.wipe-tag.left { left: 10px; color: var(--accent); }
.wipe-tag.right { right: 10px; color: var(--amber); }
.img-fallback {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(2, 6, 23, 0.9);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
}

#wipeRange { width: 100%; margin-top: 8px; accent-color: var(--accent); }
.status-line { margin-top: 8px; font-size: 0.8rem; color: var(--muted); word-break: break-word; }

.chart-canvas {
  width: 100%;
  height: auto;
  background: #060b18;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.slider-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 14px; }
.s-label { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--muted); }
.s-label span { color: var(--text); font-weight: 600; }
.slider-grid input[type="range"] { width: 100%; accent-color: var(--accent); }

.reflex-readout { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 12px; }
.sim-text { font-size: 0.84rem; color: var(--muted); }
.hex-title { margin-top: 12px; font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.hex-box {
  margin-top: 4px;
  padding: 10px 12px;
  background: #020617;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.84rem;
  color: var(--accent);
  word-break: break-all;
}
.byte-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.byte-chip {
  background: #070d1b;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 9px;
  font-size: 0.76rem;
}
.byte-chip b { display: block; color: var(--text); font-size: 0.8rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.footer {
  max-width: 1380px;
  margin: 0 auto 30px;
  padding: 16px 24px;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  display: grid;
  gap: 8px;
}

@media (max-width: 960px) {
  .hero-summary, .two-col { grid-template-columns: 1fr; }
}