:root {
  --bg: #f3f4f8;
  --card: #fff;
  --text: #1f2333;
  --muted: #6b7185;
  --line: #e6e8f0;
  --field: #f3f4f8;
  --accent: #5b4de6;
  --accent-soft: #f1f0fe;
  --danger: #d64545;
  --danger-soft: #fdf0f0;
  --good: #2e8a4e;
  --good-soft: #eaf6ee;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
header { display: flex; align-items: center; gap: 24px; padding: 12px 24px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.logo { font-weight: 800; font-size: 20px; letter-spacing: -.5px; }
.logo span { color: #e5532d; }
nav { display: flex; gap: 4px; flex-wrap: wrap; }
.tab { border: 0; background: none; padding: 8px 14px; border-radius: 10px; font: inherit; cursor: pointer; color: var(--muted); }
.tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
main { padding: 24px 16px 64px; }
.view { display: none; }
.view.active { display: flex; gap: 24px; justify-content: center; align-items: flex-start; flex-wrap: wrap; }
.column { width: min(560px, 100%); display: flex; flex-direction: column; gap: 12px; }
.column.wide { width: min(1000px, 100%); }
.column.side { width: min(340px, 100%); position: sticky; top: 80px; }
.card { background: var(--card); border-radius: 22px; padding: 20px 22px; }
h2 { margin: 0; font-size: 22px; }
h3 { margin: 0 0 12px; font-size: 17px; display: flex; align-items: center; gap: 8px; }
h4 { margin: 18px 0 8px; font-size: 15px; }
.muted { color: var(--muted); margin: 0 0 10px; }
.muted.accent { color: var(--accent); }
.small { font-size: 13px; }
a { color: var(--accent); text-decoration: none; }
input[type=search], input[type=number], select, textarea {
  width: 100%; padding: 12px 14px; border: 1px solid transparent; border-radius: 12px; background: var(--field); font: inherit; color: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
input.bad { border-color: var(--danger); }
textarea { font-family: ui-monospace, monospace; font-size: 12px; word-break: break-all; }
button { padding: 10px 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); font: inherit; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); }
button.big { padding: 14px; font-weight: 600; }
button:disabled { opacity: .5; cursor: default; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.row-between h3 { margin: 0; }
.pair { display: flex; gap: 10px; }
.pair select { width: 160px; flex: none; }
.info { display: inline-grid; place-items: center; width: 16px; height: 16px; border-radius: 50%; border: 1px solid #c4c8d4; color: #9aa0b2; font-size: 10px; font-style: normal; cursor: help; }

.option { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 8px; cursor: pointer; }
.option input { display: none; }
.option small { margin-left: auto; color: var(--muted); }
.option small.block { margin: 0 0 0 28px; width: 100%; }
.option p { margin: 6px 0 0 28px; color: var(--muted); font-size: 14px; }
.option.selected, .option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.option.disabled { opacity: .55; cursor: default; }
.option-head { display: flex; align-items: center; gap: 10px; }
.radio { width: 18px; height: 18px; border-radius: 50%; border: 2px solid #c4c8d4; flex: none; }
.radio.on, .option:has(input:checked) .radio { border: 5px solid var(--accent); }

.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tile { border: 1px solid var(--line); border-radius: 16px; padding: 14px; display: flex; flex-direction: column; gap: 4px; cursor: pointer; }
.tile input { display: none; }
.tile small { color: var(--muted); }
.tile:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat small { color: var(--muted); font-weight: 600; }
.stat b { font-size: 26px; }
.stat span { color: var(--muted); font-size: 14px; }

.check { display: flex; gap: 8px; align-items: center; margin: 10px 0; cursor: pointer; }
.drop { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 28px; border: 2px dashed #d3d6e2; border-radius: 16px; background: var(--field); color: var(--muted); cursor: pointer; text-align: center; }
.drop input { display: none; }
.drop.disabled { cursor: default; opacity: .7; }
.drop.over { border-color: var(--accent); color: var(--accent); }
.drop-icon { font-size: 22px; }
.previews { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.preview { position: relative; width: 84px; }
.preview img { width: 84px; height: 112px; object-fit: cover; border-radius: 10px; display: block; background: var(--field); }
.preview .num { position: absolute; top: 4px; left: 4px; background: rgba(0,0,0,.6); color: #fff; font-size: 11px; border-radius: 6px; padding: 1px 6px; }
.preview .del { position: absolute; top: 2px; right: 2px; padding: 0 6px; border-radius: 8px; font-size: 13px; line-height: 20px; }
.preview .move { display: flex; justify-content: space-between; margin-top: 2px; }
.preview .move button { padding: 0 8px; border-radius: 8px; font-size: 12px; }
.preview.small-photo img { outline: 2px solid var(--danger); }

.note:empty { display: none; }
.note { margin-top: 8px; padding: 10px 12px; border-radius: 12px; background: var(--field); font-size: 14px; }
.note.good { background: var(--good-soft); color: var(--good); }
.note.bad, .error { background: var(--danger-soft); color: var(--danger); }
.error { margin-top: 8px; padding: 12px 14px; border-radius: 12px; font-size: 14px; }
.error::before { content: "✕"; display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--danger); color: #fff; font-size: 10px; margin-right: 8px; }

.dropdown { margin-top: 6px; max-height: 320px; overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
.product { display: flex; gap: 10px; align-items: center; padding: 8px 10px; cursor: pointer; }
.product:hover { background: var(--accent-soft); }
.product img { width: 36px; height: 48px; object-fit: cover; border-radius: 6px; background: var(--field); }
.product small { color: var(--muted); display: block; }
.picked { margin-top: 10px; }
.picked .product { border: 1px solid var(--accent); background: var(--accent-soft); border-radius: 12px; cursor: default; }
.picked .product button { margin-left: auto; padding: 4px 10px; }

pre#check-result:empty { display: none; }
pre#check-result { background: var(--field); padding: 10px; border-radius: 12px; white-space: pre-wrap; }

/* мои тесты */
.test { margin-bottom: 14px; }
.test-head { display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; }
.test-head h3 { margin: 0; }
.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--field); color: var(--muted); }
.badge.running { background: var(--accent-soft); color: var(--accent); }
.badge.finished { background: var(--good-soft); color: var(--good); }
.test-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.test-meta { color: var(--muted); font-size: 14px; margin: 6px 0 12px; }
.variants { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.variant { border: 1px solid var(--line); border-radius: 16px; padding: 10px; font-size: 13px; position: relative; }
.variant img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 10px; display: block; margin-bottom: 8px; background: var(--field); }
.variant.current { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.variant.leader { border-color: var(--good); }
.variant.dropped { opacity: .45; }
.variant .tag { position: absolute; top: 16px; left: 16px; background: var(--accent); color: #fff; border-radius: 8px; padding: 1px 8px; font-size: 11px; }
.variant .tag.win { background: var(--good); }
.variant .tag.drop { background: #888; }
.variant dl { display: grid; grid-template-columns: auto auto; gap: 2px 8px; margin: 0; }
.variant dt { color: var(--muted); }
.variant dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.variant .score { font-weight: 700; }
.progress { height: 6px; background: var(--field); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.progress div { height: 100%; background: var(--accent); }
details { margin-top: 12px; }
details ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.empty { text-align: center; color: var(--muted); padding: 40px; }

@media (max-width: 560px) {
  .tiles { grid-template-columns: 1fr; }
  .card { padding: 16px; border-radius: 18px; }
}