:root {
  --bg: #0a111b;
  --panel: rgba(15, 23, 36, 0.92);
  --panel-soft: rgba(20, 31, 48, 0.86);
  --line: rgba(255,255,255,0.08);
  --text: #edf4ff;
  --muted: #9eb0cb;
  --accent: #90d8ff;
  --good: #74e3ab;
  color-scheme: dark;
  font-family: Inter, system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: linear-gradient(180deg, #060b12 0%, var(--bg) 100%); color: var(--text); }
button, input, select { font: inherit; }
.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
}
.filters, .hero, .detail-card, .list-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 22px 60px rgba(0,0,0,.35);
}
.filters {
  background: var(--panel);
  padding: 18px;
  display: grid;
  gap: 12px;
  align-content: start;
}
.eyebrow { margin: 0; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; font-size: 12px; font-weight: 700; }
h1, h2, h3, p { margin: 0; }
label { display: grid; gap: 8px; }
label span, .muted { color: var(--muted); }
input, select {
  min-height: 42px; padding: 10px 12px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--text);
}
.check {
  display: inline-flex; gap: 10px; align-items: center; padding: 10px 12px;
  border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,.03);
}
.list-panel { display: grid; gap: 10px; max-height: calc(100vh - 310px); overflow: auto; }
.list-card {
  background: var(--panel-soft);
  padding: 12px;
  text-align: left;
  color: inherit;
  cursor: pointer;
}
.list-card.is-active { border-color: rgba(144,216,255,.56); }
.list-card h3 { font-size: 15px; margin-bottom: 6px; }
.meta { display: flex; gap: 8px 10px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.pill {
  display: inline-flex; width: fit-content; padding: 6px 10px; border-radius: 999px;
  border: 1px solid rgba(144,216,255,.22); font-size: 12px; color: var(--muted);
}
.pill.good { color: var(--good); }
.detail-panel { display: grid; gap: 18px; align-content: start; }
.hero {
  min-height: 260px;
  padding: 26px;
  background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
}
.hero .subtitle { color: rgba(255,255,255,.78); margin-top: 6px; }
.hero .summary { margin-top: 16px; line-height: 1.6; max-width: 56ch; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.detail-card { background: var(--panel); padding: 18px; }
.stack { display: grid; gap: 10px; margin-top: 12px; }
.item { padding: 12px; border-radius: 14px; background: rgba(255,255,255,.03); border: 1px solid var(--line); }
@media (max-width: 980px) {
  .app, .cards { grid-template-columns: 1fr; }
  .list-panel { max-height: none; }
}