:root {
  --bg: #0b1018;
  --bg-elev: #131a26;
  --bg-elev-2: #1b2433;
  --border: #233044;
  --text: #d7dee9;
  --text-dim: #98a2b4;
  --text-muted: #6b7488;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --warn: #facc15;
  --danger: #f87171;
  --ok: #22c55e;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  position: sticky; top: 0; z-index: 10;
}

.brand { display: flex; align-items: baseline; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { font-size: 24px; color: var(--accent); }
.brand-name { font-weight: 700; letter-spacing: -0.2px; font-size: 17px; }
.brand-tag { color: var(--text-muted); font-size: 12px; letter-spacing: 0.5px; text-transform: uppercase; }
.nav a { margin-left: 22px; color: var(--text-dim); font-size: 14px; }
.nav a:hover { color: var(--accent); text-decoration: none; }

.view { padding: 32px 28px 80px; max-width: 1200px; margin: 0 auto; }
.container { max-width: 1000px; }

.hero { padding: 48px 0 24px; max-width: 760px; }
.hero h1 { font-size: 38px; line-height: 1.15; margin: 0 0 18px; letter-spacing: -0.5px; }
.hero .lede { font-size: 17px; color: var(--text-dim); }
.hero .lede strong { color: var(--text); }
.cta-row { display: flex; gap: 12px; margin-top: 28px; }
.cta {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: none;
}
.cta.primary { background: var(--accent); color: #062028; }
.cta.primary:hover { background: #7af1dc; text-decoration: none; }
.cta.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.cta.secondary:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.cite { color: var(--text-muted); font-size: 12px; margin-top: 28px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 48px; }
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 22px; }
.card h3 { margin: 0 0 8px; color: var(--accent); font-size: 14px; letter-spacing: 0.5px; text-transform: uppercase; }
.card p { margin: 0; color: var(--text-dim); font-size: 14px; }

.trial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.trial-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.15s ease;
}
.trial-card:hover { border-color: var(--accent); }
.trial-card h3 { margin: 0; font-size: 15px; color: var(--text); }
.trial-card .summary { color: var(--text-dim); font-size: 13px; margin: 0; flex: 1; }
.trial-card .row { display: flex; justify-content: space-between; align-items: center; }

.pill {
  display: inline-block; padding: 3px 9px;
  border-radius: 999px; font-size: 11px;
  font-weight: 600; letter-spacing: 0.4px; text-transform: uppercase;
  background: var(--bg-elev-2); color: var(--text-dim);
  border: 1px solid var(--border);
}
.pill.easy { color: #86efac; border-color: #14532d; background: #052e16; }
.pill.medium { color: #fde047; border-color: #713f12; background: #1c1402; }
.pill.hard { color: #fca5a5; border-color: #7f1d1d; background: #1f0a0a; }
.pill.subtle { color: var(--text-muted); }
.pill-row { display: flex; gap: 8px; margin: 10px 0 18px; }

.trial-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 900px) { .trial-layout { grid-template-columns: 1fr; } }

.trial-left, .trial-right { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 22px; }
.trial-left h2 { margin: 0 0 10px; font-size: 22px; }
.trial-left h3, .trial-right h3 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-dim); margin: 22px 0 6px; }

.encounter-wrap { position: relative; }
.encounter {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  background: #07101a;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 520px;
  overflow-y: auto;
  color: #c0c9d8;
}

.btn-mini {
  position: absolute; top: 8px; right: 8px;
  background: var(--bg-elev-2); color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 4px;
  font-size: 11px; padding: 4px 8px; cursor: pointer;
}
.btn-mini:hover { color: var(--accent); border-color: var(--accent); }

.trial-right label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 14px; }
.trial-right input, .trial-right textarea {
  width: 100%;
  background: #07101a;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  padding: 10px;
  margin-top: 6px;
}
.trial-right input:focus, .trial-right textarea:focus { border-color: var(--accent); outline: none; }
.trial-right textarea { resize: vertical; min-height: 220px; }
#grade-btn { width: 100%; margin-top: 6px; }
#grade-status { margin-top: 12px; font-size: 13px; }

.back { color: var(--text-muted); font-size: 13px; }

.score-row { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: center; margin: 24px 0; }
.gauge {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  text-align: center;
}
.gauge-num { font-size: 58px; font-weight: 800; color: var(--accent); letter-spacing: -1.5px; line-height: 1; }
.gauge-label { color: var(--text-muted); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; margin-top: 8px; }

.bars { display: flex; flex-direction: column; gap: 16px; }
.bar label { display: flex; justify-content: space-between; color: var(--text-dim); font-size: 13px; }
.bar label span { color: var(--text); font-weight: 600; }
.meter {
  height: 10px;
  background: var(--bg-elev-2);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 6px;
}
.meter > div {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  transition: width 0.4s ease;
}

.badge-block {
  background: var(--bg-elev);
  border: 1px solid var(--ok);
  border-radius: 10px;
  padding: 18px;
  margin: 24px 0;
  display: flex; flex-direction: column; gap: 10px;
}
.badge-block.hidden { display: none; }
.badge-block code {
  background: #07101a;
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 12px;
  display: block;
  word-break: break-all;
  color: var(--text);
}

details {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 12px;
}
details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.1px;
}
details > *:not(summary) { margin-top: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 8px 10px; color: var(--text-dim); font-weight: 600; border-bottom: 1px solid var(--border); }
td { padding: 8px 10px; border-bottom: 1px solid var(--border); color: var(--text); }
td.dim { color: var(--text-muted); }
.drug-table .ok { color: var(--ok); }
.drug-table .no { color: var(--danger); }

.lb-table tr.you td { background: rgba(94,234,212,0.08); }
.lb-table td .badge-shield { background: #14532d; color: #86efac; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.lb-table td .badge-no { color: var(--text-muted); font-size: 11px; }

.foot {
  padding: 22px 28px 36px;
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 12px;
  color: var(--text-dim);
}
.foot-row { margin: 4px 0; }
.foot-row.muted { color: var(--text-muted); }

.muted { color: var(--text-dim); }
.hidden { display: none; }

ul { padding-left: 22px; }
li { margin: 4px 0; }
code { font-family: var(--mono); font-size: 12px; }
.kbd-key { font-family: var(--mono); background: var(--bg-elev-2); padding: 2px 6px; border-radius: 3px; }