:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1b1f24;
  --muted: #5f6b7a;
  --border: #dde2e8;
  --accent: #1f5fbf;
  --watch-bg: #fff6cc;
  --warn: #b54708;
  --error: #b42318;
  --up: #067647;
  --dev: #6941c6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --surface: #171b21;
    --text: #e6e9ee;
    --muted: #94a0b0;
    --border: #2a313b;
    --accent: #7aa7ff;
    --watch-bg: #3a3212;
    --warn: #f5a35c;
    --error: #ff7b72;
    --up: #4ade80;
    --dev: #b69cff;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { padding: 0 16px 24px; max-width: 1400px; margin: 0 auto; }
h2 { font-size: 16px; margin: 20px 0 8px; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar { flex-wrap: wrap; }
.topbar .filters { margin: 0 0 0 32px; }  /* a gap after the title */
.logo { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; flex: none; }
.logo-right { margin-left: auto; }
.logo-link { display: flex; flex: none; border-radius: 8px; }
.topbar .nav + .logo-right { margin-left: 12px; }
.brand { font-weight: 700; font-size: 16px; color: var(--text); text-decoration: none; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid currentColor; }
.badge-dev { color: var(--dev); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 8px; }
.filters input, .filters select, .filters button {
  font: inherit; padding: 6px 8px; border: 1px solid var(--border);
  border-radius: 6px; background: var(--surface); color: var(--text);
}
.filters input { min-width: 12em; }
.filters { align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 3px; }
.field > span { font-size: 12px; font-weight: 600; color: var(--muted); }

.status { display: flex; flex-wrap: wrap; gap: 6px 18px; color: var(--muted); padding: 8px 0; }
.status strong { color: var(--text); }
.muted { color: var(--muted); font-weight: normal; }
.error { color: var(--error); }
.logo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.logo-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.logo-card h3 { margin: 0; font-size: 14px; }
.logo-form { display: flex; flex-direction: column; gap: 8px; }
.logo-current { display: flex; align-items: center; gap: 8px; }
canvas.crop { width: 100%; max-width: 320px; aspect-ratio: 1; border: 1px dashed var(--border); border-radius: 8px; cursor: grab; touch-action: none; background: repeating-conic-gradient(var(--border) 0 25%, transparent 0 50%) 0 0 / 16px 16px; }
.row { display: flex; gap: 8px; }
.notice { padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.empty { color: var(--muted); padding: 24px 0; }

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
table.board { border-collapse: collapse; width: 100%; white-space: nowrap; }
.board th, .board td { padding: 6px 10px; border-bottom: 1px solid var(--border); text-align: left; }
.board th { position: sticky; top: 0; background: var(--surface); font-size: 12px; color: var(--muted); font-weight: 600; }
.board thead tr:nth-child(2) th { top: 29px; }
.board th.placement[colspan] { text-align: center; color: var(--text); border-left: 1px solid var(--border); border-right: 1px solid var(--border); }
.board .placement-start { border-left: 1px solid var(--border); }
.key { display: flex; flex-wrap: wrap; gap: 4px 16px; margin: 8px 0 0; }
.board .placement-end { border-right: 1px solid var(--border); }
.board tbody tr:last-child td { border-bottom: none; }
.board .num { text-align: right; font-variant-numeric: tabular-nums; }
.board .mono { font-family: ui-monospace, Consolas, monospace; }
.board .strong, .board .team { font-weight: 600; }
.board .alias { font-weight: 400; color: var(--muted); margin-left: 4px; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 4px 12px; margin: 8px 0 12px; }
.check-grid label { display: flex; gap: 6px; align-items: center; }
.subnav { display: flex; gap: 16px; margin-bottom: 8px; }
textarea { width: 100%; min-height: 120px; font-family: ui-monospace, monospace; }
.board tr.watched td { background: var(--watch-bg); }
.warn { color: var(--warn); font-weight: 600; }
.delta { font-size: 11px; font-weight: 600; }
.trend { display: inline-block; text-align: left; margin-left: 4px; }
.trend-place { min-width: 4ch; }
.trend-score { min-width: 6ch; }
.delta.up { color: var(--up); }
.delta.down { color: var(--error); }
.board tr.recent td:first-child { box-shadow: inset 3px 0 0 var(--accent); }

.foot { color: var(--muted); font-size: 12px; text-align: center; padding: 16px; }

/* --- Navigation, forms, registration and admin pages --- */
h1 { font-size: 20px; margin: 20px 0 8px; }
.nav { margin-left: auto; display: flex; gap: 14px; align-items: center; }
.nav a { color: var(--accent); text-decoration: none; font-weight: 600; }
a { color: var(--accent); }
.small { font-size: 12px; }
.mono { font-family: ui-monospace, Consolas, monospace; }
.strong { font-weight: 600; }
.badge { color: var(--muted); }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; margin: 24px 0;
}
.card.narrow { max-width: 440px; margin: 40px auto; }
.card h1 { margin-top: 0; }
.stack { display: flex; flex-direction: column; gap: 8px; margin: 16px 0; }
.stack label { font-weight: 600; font-size: 13px; }
.stack input, .label-form input {
  font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); color: var(--text);
}
.code-input { font-size: 22px; letter-spacing: 0.3em; text-align: center; font-family: ui-monospace, Consolas, monospace; }
form.inline { display: inline; margin: 0; }

button {
  font: inherit; cursor: pointer; padding: 7px 14px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.stack button, button.primary { background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 600; }
button.danger { color: var(--error); }
button.link { border: none; background: none; padding: 0; color: var(--accent); text-decoration: underline; }

.devices td { vertical-align: top; white-space: normal; }
.devices .actions { white-space: nowrap; text-align: right; }
.devices .actions button { padding: 4px 10px; font-size: 12px; margin-left: 4px; }
.label-form { display: flex; gap: 6px; align-items: center; margin-top: 4px; }
.label-form input { padding: 3px 6px; font-size: 12px; width: 12em; }
@media (max-width: 700px) { .topbar .filters { margin-left: 0; width: 100%; } }

/* Team history charts (app/charts.py). One series per chart: no legend, the title names it. */
:root { --series-1: #2a78d6; }
@media (prefers-color-scheme: dark) { :root { --series-1: #3987e5; } }
.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.chart-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.chart-card h3 { margin: 0 0 4px; font-size: 14px; }
.chart-wrap { position: relative; }
svg.chart { width: 100%; height: auto; display: block; touch-action: pan-y; }
svg.chart .grid { stroke: var(--border); stroke-width: 1; }
svg.chart .axis { stroke: var(--muted); stroke-width: 1; }
svg.chart .tick { fill: var(--muted); font-size: 11px; }
svg.chart .series { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
svg.chart .end, svg.chart .hover-dot { fill: var(--series-1); stroke: var(--surface); stroke-width: 2; }
svg.chart .end-label { fill: var(--text); font-size: 12px; font-weight: 600; }
svg.chart .crosshair { stroke: var(--muted); stroke-width: 1; }
.chart-tip { position: absolute; transform: translateX(-50%); pointer-events: none; white-space: nowrap;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 6px;
  padding: 3px 8px; font-size: 12px; box-shadow: 0 2px 6px rgb(0 0 0 / 0.15); }
.rounds { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 12px; }
.team-head { display: flex; flex-wrap: wrap; gap: 6px 18px; align-items: baseline; }
.board td.team a { color: inherit; text-decoration: none; }
.board td.team a:hover { text-decoration: underline; }

fieldset.choices { border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; margin: 0;
  display: flex; flex-wrap: wrap; gap: 6px 16px; }
fieldset.choices legend { font-weight: 600; font-size: 13px; padding: 0 4px; }
fieldset.choices label { font-weight: normal; font-size: 14px; }
.stack label.check { font-weight: 600; font-size: 14px; display: flex; gap: 8px; align-items: center; }
.stack input[type="range"] { width: 100%; max-width: 360px; accent-color: var(--accent); }

/* Categorical slots for multi-series charts (image scores): fixed order, never cycled. */
:root { --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4; --s6: #008300; --s7: #6250d6; --s8: #e34948; }
@media (prefers-color-scheme: dark) {
  :root { --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767; }
}
svg.chart .series.s1 { stroke: var(--s1); } svg.chart .end.s1, .swatch.s1 { fill: var(--s1); background: var(--s1); }
svg.chart .series.s2 { stroke: var(--s2); } svg.chart .end.s2, .swatch.s2 { fill: var(--s2); background: var(--s2); }
svg.chart .series.s3 { stroke: var(--s3); } svg.chart .end.s3, .swatch.s3 { fill: var(--s3); background: var(--s3); }
svg.chart .series.s4 { stroke: var(--s4); } svg.chart .end.s4, .swatch.s4 { fill: var(--s4); background: var(--s4); }
svg.chart .series.s5 { stroke: var(--s5); } svg.chart .end.s5, .swatch.s5 { fill: var(--s5); background: var(--s5); }
svg.chart .series.s6 { stroke: var(--s6); } svg.chart .end.s6, .swatch.s6 { fill: var(--s6); background: var(--s6); }
svg.chart .series.s7 { stroke: var(--s7); } svg.chart .end.s7, .swatch.s7 { fill: var(--s7); background: var(--s7); }
svg.chart .series.s8 { stroke: var(--s8); } svg.chart .end.s8, .swatch.s8 { fill: var(--s8); background: var(--s8); }
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0 0 6px; padding: 0; font-size: 12px; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 6px; }
.swatch { display: inline-block; width: 12px; height: 3px; border-radius: 2px; }

/* Expandable scoreboard rows (static/board.js) with this round's sparklines. */
.board td.team { white-space: nowrap; }
button.expand { border: 0; background: none; padding: 0 6px 0 0; margin: 0; cursor: pointer; color: var(--muted);
  font-size: 11px; line-height: 1; min-width: 16px; min-height: 24px; vertical-align: middle; }
button.expand::before { content: "▸"; display: inline-block; transition: transform 0.15s; }
button.expand[aria-expanded="true"]::before { transform: rotate(90deg); }
button.expand:hover, button.expand:focus-visible { color: var(--text); }
tr.spark-row > td { background: var(--surface); padding: 8px 12px 10px 28px; }
.sparks { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; }
.spark-item { display: flex; align-items: center; gap: 8px; }
.spark-label { font-size: 12px; color: var(--muted); min-width: 4.5em; }
.spark-value { font-variant-numeric: tabular-nums; min-width: 2.5em; }
svg.spark { display: block; overflow: visible; }
svg.spark .series { fill: none; stroke: var(--series-1); stroke-width: 1.5; stroke-linejoin: round; }
svg.spark .end { fill: var(--series-1); }
.spark-note { margin: 6px 0 0; }
.charts.placement { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.charts.scoring { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.charts.scoring + .table-wrap { margin-top: 16px; }
.info { position: relative; display: inline-block; vertical-align: middle; }
.info-btn { width: 18px; height: 18px; padding: 0; border-radius: 50%; border: 1.5px solid var(--accent);
  background: none; color: var(--accent); font: italic 700 12px/15px Georgia, serif; cursor: pointer; margin-left: 4px; }
.info-btn:hover, .info-btn[aria-expanded="true"] { background: var(--accent); color: var(--bg); }
.info-bubble { position: absolute; left: -8px; top: calc(100% + 8px); z-index: 10; width: min(360px, 80vw);
  padding: 10px 12px; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 14px rgb(0 0 0 / 0.18); font-size: 13px; font-weight: normal; line-height: 1.45; }
.info-bubble::before { content: ""; position: absolute; top: -6px; left: 12px; width: 10px; height: 10px;
  background: var(--surface); border-left: 1px solid var(--border); border-top: 1px solid var(--border); transform: rotate(45deg); }
.info-bubble[hidden] { display: none; }
/* Admin forms: buttons sized to their label, not the full form width. */
.stack.compact > button { align-self: flex-start; padding-left: 18px; padding-right: 18px; }
.url-form input[type="url"] { width: min(560px, 100%); padding: 6px 8px; font: inherit; font-size: 14px; }
h2 .info, h3 .info, label .info { margin-left: 2px; }