:root {
  --bg: #0b0d10;
  --surface: #14171c;
  --surface-2: #1c2027;
  --border: #2a2f38;
  --text: #eef1f5;
  --muted: #8b93a1;
  --accent: #7cf3c8;
  --accent-ink: #04140e;
  --danger: #ff6b6b;
  --radius: 16px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f7f9; --surface: #ffffff; --surface-2: #eef0f3; --border: #dde1e7;
    --text: #12151a; --muted: #5d6573; --accent: #0a8f62; --accent-ink: #ffffff; color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f6f7f9; --surface: #ffffff; --surface-2: #eef0f3; --border: #dde1e7;
  --text: #12151a; --muted: #5d6573; --accent: #0a8f62; --accent-ink: #ffffff; color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: inherit; }
main { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px 48px; flex: 1; }
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); line-height: 1.1; margin: 0 0 .4em; letter-spacing: -.02em; }
h2 { font-size: 1.3rem; margin: 2.2em 0 .8em; }
h3 { font-size: 1rem; margin: 1em 0 .4em; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.break { word-break: break-all; }
code, pre { font-family: ui-monospace, Consolas, monospace; font-size: .9em; background: var(--surface-2); border-radius: 6px; }
code { padding: .1em .35em; }
pre { padding: 12px; overflow-x: auto; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px;
  padding: 12px max(16px, calc((100% - 1120px) / 2)); background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; text-decoration: none; font-size: 1.1rem; }
.top nav { display: flex; gap: 14px; }
.top nav a { text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--text); }
.search { margin-left: auto; }
.search input { width: 200px; }
.icon-btn { background: none; border: 1px solid var(--border); color: var(--text); border-radius: 50%; width: 34px; height: 34px; cursor: pointer; }

/* Inputs & buttons */
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 12px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
input[type="radio"], input[type="checkbox"] { width: auto; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px;
  border-radius: 999px; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 6px 12px; font-size: .85rem; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.inline { display: inline; }

/* Hub */
.hero { padding: 56px 0 8px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.chip { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); text-decoration: none; font-size: .9rem; color: var(--muted); }
.chip.active { background: var(--text); color: var(--bg); border-color: var(--text); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.card {
  display: flex; align-items: center; gap: 14px; padding: 14px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); text-decoration: none; transition: transform .12s, border-color .12s;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card div { display: flex; flex-direction: column; min-width: 0; }
.card .muted { font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid.featured .card { padding: 20px; }
.appicon { border-radius: 22%; flex-shrink: 0; object-fit: cover; background: #000; }
.appicon.placeholder { display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), #3b82f6); color: #04140e; font-weight: 800; font-size: 1.6rem; }
.empty { padding: 40px; text-align: center; border: 1px dashed var(--border); border-radius: var(--radius); color: var(--muted); }
.how ol { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; padding: 0; list-style: none; counter-reset: s; }
.how li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; counter-increment: s; }
.how li::before { content: counter(s); display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 700; margin-bottom: 8px; }

/* App page */
.crumb { color: var(--muted); margin: 24px 0 0; font-size: .9rem; }
.crumb a { text-decoration: none; }
.app-head { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: start; margin-top: 16px; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; list-style: none; }
.badges li { font-size: .85rem; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.qr { width: 180px; display: flex; flex-direction: column; gap: 8px; font-size: .8rem; text-align: center; }
.qr svg { width: 180px; height: 180px; border-radius: 12px; }
.lens {
  width: min(600px, 100%); aspect-ratio: 1; background: #000; border-radius: 24px; overflow: hidden;
  border: 1px solid var(--border); box-shadow: 0 0 0 8px var(--surface), 0 20px 60px rgba(0,0,0,.4);
}
.lens iframe { width: 100%; height: 100%; border: 0; display: block; background: #000; }
.details { display: grid; grid-template-columns: 1fr 280px; gap: 32px; }
.prose { max-width: 720px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
ul.yes li::marker { content: "✓  "; color: var(--accent); }
ul.no li::marker { content: "✕  "; color: var(--danger); }
.meta { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 4px 18px 14px; align-self: start; margin-top: 2.2em; }
.meta dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin: 0; font-size: .9rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }
.guide li { margin-bottom: 6px; }

/* Admin */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-top: 24px; }
.panel.narrow { max-width: 420px; margin: 64px auto; display: flex; flex-direction: column; gap: 14px; }
.panel label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; font-weight: 600; }
.panel label.radio { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; margin: 8px 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 14px 0; }
.form-grid .full { grid-column: 1 / -1; }
fieldset { border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; margin: 16px 0; }
legend { padding: 0 6px; font-weight: 600; }
.error { color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); padding: 10px 14px; border-radius: 10px; }
.flash { color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent); padding: 10px 14px; border-radius: 10px; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 500; font-size: .85rem; }
.right { text-align: right; white-space: nowrap; }

.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 24px max(16px, calc((100% - 1120px) / 2)); border-top: 1px solid var(--border); font-size: .85rem; }

@media (max-width: 760px) {
  .top { flex-wrap: wrap; gap: 10px; }
  .top nav { order: 3; width: 100%; }
  .search input { width: 140px; }
  .app-head { grid-template-columns: auto 1fr; }
  .qr { display: none; }
  .details, .two, .form-grid { grid-template-columns: 1fr; }
}