:root {
  --bg: #0f1419;
  --panel: #171d25;
  --card: #1c2430;
  --border: #2a3544;
  --text: #e7eef7;
  --muted: #9aabbd;
  --accent: #3d9cf0;
  --accent2: #2bb673;
  --warn: #e0a44a;
  --danger: #e06c75;
  --chip: #243041;
  --shadow: 0 8px 24px rgba(0,0,0,.35);
  --radius: 14px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 10% -10%, #1a2740 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}
.top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem 0.5rem;
  align-items: flex-start;
}
h1 { margin: 0; font-size: 1.45rem; letter-spacing: .2px; }
.sub { margin: .35rem 0 0; color: var(--muted); font-size: .92rem; }
.header-meta { display: flex; gap: .5rem; align-items: center; color: var(--muted); font-size: .85rem; flex-wrap: wrap; justify-content: flex-end; }
.pill {
  background: #20324a;
  color: #9ec9ff;
  border: 1px solid #2f4d73;
  border-radius: 999px;
  padding: .25rem .65rem;
  font-size: .78rem;
}
.tabs {
  display: flex;
  gap: .4rem;
  padding: .75rem 1.5rem 0;
  flex-wrap: wrap;
}
.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: .45rem .9rem;
  cursor: pointer;
}
.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #041018;
  font-weight: 600;
}
main { padding: 1rem 1.5rem 3rem; max-width: 1200px; }
.panel { display: none; }
.panel.active { display: block; }
.filters { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: .6rem; margin-bottom: 1rem; }
input, select, textarea, button {
  font: inherit;
}
input, select, textarea {
  width: 100%;
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .65rem .75rem;
}
textarea { resize: vertical; line-height: 1.4; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .85rem;
}
.sys-card {
  background: linear-gradient(180deg, #1e2836 0%, var(--card) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.sys-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.sys-card h3 { margin: 0 0 .35rem; font-size: 1.02rem; }
.sys-card .mfr { color: var(--muted); font-size: .82rem; margin-bottom: .55rem; }
.chips { display: flex; flex-wrap: wrap; gap: .35rem; margin: .5rem 0; }
.chip {
  background: var(--chip);
  border: 1px solid var(--border);
  color: #c5d4e6;
  border-radius: 999px;
  padding: .15rem .55rem;
  font-size: .75rem;
}
.chip.green { color: #b7f0d2; border-color: #2f6b4f; background: #173528; }
.chip.blue { color: #b7d8ff; border-color: #2f547a; background: #152536; }
.metrics { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; margin-top: .55rem; }
.metric {
  background: #141b24;
  border-radius: 10px;
  padding: .45rem .55rem;
  border: 1px solid #243041;
}
.metric b { display: block; font-size: 1rem; }
.metric span { color: var(--muted); font-size: .72rem; }
.detail {
  margin-top: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--shadow);
}
.detail.hidden { display: none; }
.grid.hidden { display: none; }
.linkish {
  background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; margin-bottom: .75rem;
}
.docs a, a {
  color: #8ec5ff;
  text-decoration: none;
}
.docs a:hover { text-decoration: underline; }
.docs { display: grid; gap: .35rem; margin: .5rem 0 1rem; }
a.tds-link {
  display: block;
  background: #141b24;
  border: 1px solid #2f4d73;
  border-radius: 10px;
  padding: .55rem .7rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}
.form-card label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: .75rem; }
.form-card label > * { margin-top: .35rem; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; align-items: end; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.primary {
  background: var(--accent);
  color: #041018;
  border: none;
  border-radius: 10px;
  padding: .7rem 1rem;
  font-weight: 700;
  cursor: pointer;
}
.primary:hover { filter: brightness(1.05); }
.btn-row { display: flex; align-items: end; }
.result-card { margin-top: 1rem; }
.muted { color: var(--muted); }
.money { font-size: 1.35rem; font-weight: 700; color: #dff5e8; }
.money-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .6rem; margin: .75rem 0; }
.help { color: var(--muted); font-size: .9rem; }
.stack { display: grid; gap: .75rem; margin-top: 1rem; }
.match-card h3 { margin: 0 0 .3rem; }
.score {
  display: inline-block;
  background: #173528;
  color: #b7f0d2;
  border-radius: 999px;
  padding: .15rem .55rem;
  font-size: .78rem;
  margin-left: .35rem;
}
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .55rem .4rem; border-bottom: 1px solid var(--border); font-size: .92rem; }
th { color: var(--muted); font-weight: 600; }
footer {
  padding: 1rem 1.5rem 2rem;
  color: var(--muted);
  font-size: .8rem;
  max-width: 1200px;
}
code { background: #10161e; padding: .1rem .35rem; border-radius: 6px; }
.warn { color: var(--warn); }
.proof { font-size: .85rem; color: var(--muted); }
ul.compact { margin: .35rem 0 .75rem 1.1rem; padding: 0; }
ul.compact li { margin: .2rem 0; }
@media (max-width: 800px) {
  .filters, .row2, .row3 { grid-template-columns: 1fr; }
  .top { flex-direction: column; padding: 1rem 1rem 0.35rem; }
  main { padding: 0.75rem 1rem 5rem; }
  .tabs { padding: 0.6rem 1rem 0; position: sticky; top: 0; background: rgba(15,20,25,.92); z-index: 5; }
  .tab { padding: .55rem .8rem; font-size: .9rem; }
  .primary { width: 100%; min-height: 44px; }
  input, select, textarea { font-size: 16px; } /* stop iOS zoom */
}