:root {
  color-scheme: dark;
  --ink: #161b33;
  --panel: #243056;
  --card: #2c3a62;
  --line: rgba(186, 206, 245, 0.22);
  --text: #f6f7fb;
  --muted: #c9d0e4;
  --copper: #f3c3a4;
  --signal: #9ec4ff;
  --danger: #ffb4b4;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body, #app { margin: 0; min-height: 100%; }
html { scroll-padding-top: 72px; }
body {
  color: var(--text);
  background:
    radial-gradient(720px 380px at 0% -8%, rgba(240, 150, 130, 0.16), transparent 58%),
    radial-gradient(760px 440px at 100% 0%, rgba(90, 130, 230, 0.22), transparent 55%),
    var(--ink);
  line-height: 1.45;
}
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--signal); }
.skip {
  position: absolute; left: 12px; top: -40px; background: #273352; color: var(--text); padding: 8px 12px;
}
.skip:focus { top: 12px; }
.gate { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.card, .panel {
  width: min(980px, 100%);
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(243, 195, 164, 0.08), transparent 72px),
    var(--panel);
}
.gate .card { width: min(480px, 100%); }
.mark { color: var(--copper); letter-spacing: 0.14em; text-transform: uppercase; font-size: 12px; margin: 0; }
h1, h2, h3 { font-weight: 600; letter-spacing: -0.03em; color: #f7f8fc; }
h1 { margin: 8px 0; font-size: 34px; }
h2 { margin: 0 0 8px; font-size: 22px; }
.lede, .note, .meta { color: #e4e8f6; line-height: 1.55; }
label { display: grid; gap: 6px; margin: 12px 0; font-size: 13px; color: var(--muted); }
input, textarea, select {
  width: 100%; border: 1px solid rgba(158, 196, 255, 0.28); border-radius: 12px;
  background: #12162c; padding: 12px 14px; outline: none; font-size: 16px;
}
textarea { min-height: 96px; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: #9ec4ff; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.primary, .ghost, .danger, a.ghost { border: 0; border-radius: 999px; padding: 11px 16px; text-decoration: none; }
.primary {
  background: linear-gradient(180deg, #ffd0a8 0%, #f08a78 100%);
  color: #1c1424;
  font-weight: 700;
}
.primary:active { background: #e89a88; }
.ghost {
  background: rgba(90, 170, 210, 0.12);
  color: var(--text);
  border: 1px solid rgba(142, 200, 230, 0.35);
}
.danger { background: rgba(255, 180, 180, 0.12); color: var(--danger); }
.tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin: 8px 0 16px;
  padding: 4px; border-radius: 999px;
  background: rgba(8, 28, 36, 0.45);
  border: 1px solid var(--line);
}
.tabs button {
  border: 0; background: transparent; color: #e8eaf6; border-radius: 999px; min-height: 44px;
}
.tabs button[aria-selected="true"] {
  background: linear-gradient(180deg, #ffd0a8 0%, #f08a78 100%);
  color: #1c1424;
  font-weight: 700;
}
.error { color: var(--danger); min-height: 1.2em; }
.shell { min-height: 100vh; display: flex; flex-direction: column; }
.nav {
  position: sticky; top: 0; z-index: 4;
  display: flex; flex-wrap: nowrap; align-items: center; gap: 12px;
  padding: 8px 16px;
  background: #12162c;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 18px rgba(8, 10, 22, 0.45);
}
.brand { display: grid; gap: 0; flex: 0 0 auto; }
.nav-kicker { display: none; }
.menu { display: flex; flex-wrap: wrap; gap: 2px; flex: 1; min-width: 0; }
.nav button {
  text-align: center; border: 0; background: transparent; color: #f4f6fc;
  border-radius: 999px; padding: 8px 12px; font-size: 14px; white-space: nowrap;
}
.nav button[aria-current="page"] {
  color: #fff7f3;
  background: transparent;
  box-shadow: inset 0 -2px 0 #f0a08a;
}
.nav-foot { margin-left: auto; }
.signout {
  color: #f7f8fc;
  background: rgba(120, 150, 230, 0.14);
  border: 1px solid rgba(158, 196, 255, 0.35);
}
main {
  width: min(1040px, 100%);
  margin: 0 auto;
  padding: 22px;
  display: grid; gap: 16px; align-content: start;
}
.list { display: grid; gap: 12px; }
.item {
  padding: 16px; border-radius: 16px; border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(120, 90, 160, 0.12), transparent 64px),
    var(--card);
  display: grid; gap: 8px;
}
.badge {
  display: inline-flex; align-items: center; border-radius: 999px; padding: 3px 8px;
  background: rgba(243, 195, 164, 0.18); color: #f8dcc8; font-size: 12px;
}
.filters { display: grid; grid-template-columns: 1.4fr repeat(2, minmax(0, 1fr)) auto; gap: 8px; align-items: end; }
.sector-find { margin: 4px 0 0; }
.sector-empty { margin: 8px 0 0; }
.bands { display: grid; gap: 18px; }
.band { display: grid; gap: 8px; }
.band > h3 { margin: 0; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: #f3c3a4; font-weight: 600; }
.catalog { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.sector {
  text-align: left; border-radius: 16px; border: 1px solid var(--line); background: var(--card);
  padding: 14px; display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; align-items: start; color: var(--text);
}
.sector strong { color: #f7f8fc; font-size: 15px; }
.sector .yours { font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: #9ec4ff; }
.sector .count { grid-column: 1 / -1; color: #9ec4ff; font-size: 12px; }
.sector span:last-child { grid-column: 1 / -1; color: #e4e8f6; font-size: 13px; line-height: 1.45; }
.sector[aria-pressed="true"], .choices .ghost[aria-pressed="true"] {
  border-color: #f0a08a; background: rgba(158, 196, 255, 0.14); color: #f7f8fc;
}
.choices { display: flex; flex-wrap: wrap; gap: 8px; }
.check { display: flex; gap: 8px; align-items: center; margin: 0; color: var(--text); }
.check input { width: auto; }
.usecases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; perspective: 1000px; }
.usecase {
  text-align: left; display: grid; gap: 8px; align-content: start;
  padding: 18px; border-radius: 18px; border: 1px solid var(--line); color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 14px 28px rgba(8, 10, 28, 0.32);
  transition: transform 160ms ease;
}
.usecase.sky { background: linear-gradient(165deg, rgba(158, 196, 255, 0.28), transparent 78px), var(--card); }
.usecase.coral { background: linear-gradient(165deg, rgba(240, 160, 138, 0.3), transparent 78px), var(--card); }
.usecase.plum { background: linear-gradient(165deg, rgba(176, 150, 230, 0.26), transparent 78px), var(--card); }
.usecase:hover { transform: translateY(-6px) rotateX(3deg); }
.usecase h3 { margin: 0; }
.usecase p { margin: 0; color: var(--muted); }
.step { color: var(--copper); font-size: 12px; letter-spacing: 0.12em; }
.guide { display: grid; gap: 12px; padding: 16px; border-radius: 16px;
  border: 1px solid rgba(158, 196, 255, 0.28);
  background: rgba(22, 27, 51, 0.45);
}
.guide h2, .guide h3 { margin: 0; }
.guide > button, .panel > button { justify-self: start; width: auto; }
.path { background: #1e2744; }
.sectors { border: 0; margin: 12px 0; padding: 0; }
.sectors legend { color: var(--text); font-size: 16px; }
details { border: 1px solid var(--line); border-radius: 16px; padding: 8px 12px; margin: 8px 0; background: var(--card); }
summary { cursor: pointer; color: var(--text); }
.filters label { margin: 0; }
.split { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 12px; }
.thread { min-height: 220px; display: grid; gap: 8px; align-content: start; }
.bubble { padding: 10px 12px; border-radius: 16px; background: var(--card); }
.bubble.mine { background: rgba(158, 196, 255, 0.16); }
.works { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
button, .primary, .ghost, .danger, select, input { min-height: 44px; }
textarea { min-height: 88px; }
.copyright { color: var(--muted); font-size: 12px; padding: 12px; }
@media (prefers-reduced-motion: reduce) {
  .usecase { transition: none; }
  .usecase:hover { transform: none; }
}
@media (max-width: 800px) {
  .nav { gap: 8px; flex-wrap: nowrap; }
  .menu { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .menu::-webkit-scrollbar { display: none; }
  .brand { min-width: 0; }
  .nav-foot { margin-left: 0; }
  .usecases { grid-template-columns: 1fr; perspective: none; }
  .usecase:hover { transform: none; }
  .filters, .split, .works { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}