:root {
  --bg: #0b0f14;
  --bg-2: #10161d;
  --card: #151c24;
  --card-2: #1b2430;
  --line: #2a3542;
  --text: #e8eef4;
  --muted: #93a0ae;
  --faint: #6b7886;
  --teal: #3ee0b0;
  --teal-dim: rgba(62, 224, 176, 0.14);
  --copper: #d4a574;
  --copper-dim: rgba(212, 165, 116, 0.14);
  --danger-bg: rgba(240, 163, 163, 0.1);
  --ok: #7dcca0;
  --warn: #e0c36a;
  --info: #8bb4e8;
  --ruo: #d4a574;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(62, 224, 176, 0.07), transparent 50%),
    radial-gradient(900px 500px at 100% 0%, rgba(212, 165, 116, 0.06), transparent 45%),
    var(--bg);
  color: var(--text);
  font-family: "Instrument Sans", system-ui, sans-serif;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--teal); text-decoration: none; }
.app { max-width: 1120px; margin: 0 auto; padding: 20px 20px 80px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 8px 0 18px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.mark {
  width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); display: grid; place-items: center; color: var(--teal);
  font-family: "IBM Plex Mono", monospace; font-size: 13px;
}
.brand h1 { margin: 0; font-size: 18px; font-weight: 600; }
.brand small { display: block; color: var(--faint); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; }
.nav { display: flex; flex-wrap: wrap; gap: 6px; }
.nav button, .ghost, .btn, .btn-teal, .btn-copper {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  padding: 8px 12px; border-radius: 999px; font-size: 13px;
}
.nav button.active, .btn { background: var(--card-2); color: var(--text); border-color: #3a4654; }
.btn-teal { background: var(--teal); color: #062018; border-color: transparent; font-weight: 600; }
.btn-copper { background: var(--copper); color: #2a1c10; border-color: transparent; font-weight: 600; }
.banner {
  background: var(--danger-bg); border: 1px solid rgba(240, 163, 163, 0.28); color: #f3c2c2;
  border-radius: 14px; padding: 12px 14px; font-size: 13px; line-height: 1.45; margin-bottom: 18px;
}
.hero, .card, .gate {
  background: linear-gradient(180deg, var(--card), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.hero { padding: 28px; margin-bottom: 18px; }
.hero h2 { margin: 0 0 8px; font-size: 32px; letter-spacing: -0.03em; }
.hero p { margin: 0; color: var(--muted); max-width: 62ch; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.statgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 18px 0; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
.stat b { display: block; font-size: 22px; }
.stat span { color: var(--faint); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }
.card { padding: 16px; }
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.chip {
  display: inline-flex; font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 4px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted);
}
.chip.ok { color: var(--ok); border-color: rgba(125, 204, 160, 0.3); background: rgba(125, 204, 160, 0.08); }
.chip.warn { color: var(--warn); border-color: rgba(224, 195, 106, 0.3); background: rgba(224, 195, 106, 0.08); }
.chip.info { color: var(--info); border-color: rgba(139, 180, 232, 0.3); background: rgba(139, 180, 232, 0.08); }
.chip.ruo { color: var(--ruo); border-color: rgba(212, 165, 116, 0.35); background: var(--copper-dim); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 16px; }
.search {
  width: 100%; background: var(--bg); border: 1px solid var(--line);
  border-radius: 12px; padding: 12px 14px; margin-bottom: 12px;
}
.peptide-card { cursor: pointer; }
.peptide-card:hover { border-color: #3d4c5c; }
.row { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 8px; }
.detail h2 { margin: 0 0 4px; font-size: 28px; }
.aliases { color: var(--faint); font-size: 13px; margin-bottom: 12px; }
.section { margin-top: 16px; }
.section h4 {
  margin: 0 0 6px; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--copper);
}
.section p { color: var(--muted); line-height: 1.6; font-size: 14px; }
.form { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.stack { grid-template-columns: 1fr; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field span { font-size: 12px; color: var(--faint); }
.field input, .field select, .field textarea {
  background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
}
.results { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 14px; }
.result { background: var(--teal-dim); border: 1px solid rgba(62, 224, 176, 0.2); border-radius: 14px; padding: 12px; }
.result b { display: block; font-family: "IBM Plex Mono", monospace; font-size: 18px; color: var(--teal); }
.result span { color: var(--muted); font-size: 12px; }
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; color: var(--faint); font-weight: 500; padding: 8px 6px; border-bottom: 1px solid var(--line); }
.table td { padding: 10px 6px; border-bottom: 1px solid rgba(42, 53, 66, 0.7); color: var(--muted); }
.table td:first-child { color: var(--text); }
.lock { margin-top: 14px; padding: 16px; border: 1px dashed #3a4654; border-radius: 14px; background: rgba(0,0,0,.2); }
.gate { max-width: 560px; margin: 8vh auto; padding: 28px; }
.gate h2 { margin-top: 0; }
.gate label { display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 14px; line-height: 1.45; margin: 14px 0; }
.plans { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.plan { border: 1px solid var(--line); border-radius: 16px; padding: 16px; background: var(--bg); }
.plan.featured { border-color: rgba(62, 224, 176, 0.45); }
.plan b { font-size: 22px; display: block; margin: 8px 0; }
.plan ul { margin: 0; padding-left: 16px; color: var(--muted); font-size: 13px; }
.chart { width: 100%; height: 180px; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; }
.footer { margin-top: 28px; color: var(--faint); font-size: 12px; line-height: 1.5; }
.weekstrip { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; margin-top: 14px; }
.daycell {
  background: var(--bg); border: 1px solid var(--line); border-radius: 14px;
  padding: 10px 6px 12px; text-align: center;
}
.daycell.today { border-color: rgba(62, 224, 176, 0.45); }
.daycell .dow { display: block; font-size: 11px; color: var(--faint); letter-spacing: 0.06em; text-transform: uppercase; }
.daycell .dom { display: block; font-size: 18px; margin: 4px 0; }
.daycell .dot { width: 8px; height: 8px; border-radius: 50%; margin: 4px auto 0; background: #2a3542; }
.daycell.logged .dot { background: var(--teal); }
.daycell.planned:not(.logged) .dot { background: var(--copper); }
.daysel { display: flex; flex-wrap: wrap; gap: 6px; }
.daysel button {
  border: 1px solid var(--line); background: var(--bg); color: var(--muted);
  padding: 6px 10px; border-radius: 999px; font-size: 12px;
}
.daysel button.on { background: var(--teal-dim); color: var(--teal); border-color: rgba(62, 224, 176, 0.35); }
.toast { position: fixed; bottom: 16px; right: 16px; max-width: 320px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
@media (max-width: 800px) {
  .statgrid, .results, .form, .plans, .split { grid-template-columns: 1fr; }
  .hero h2 { font-size: 26px; }
  .top { flex-direction: column; align-items: flex-start; }
}