:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --s1: #2a78d6;
  --s2: #eb6834;
  --s3: #1baf7a;
  --s4: #eda100;
  --up: #006300;
  --down: #d03b3b;
  --accent: #2a78d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --s1: #3987e5;
    --s2: #d95926;
    --s3: #199e70;
    --s4: #c98500;
    --up: #0ca30c;
    --down: #e66767;
    --accent: #3987e5;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 1200px; margin: 0 auto; padding: 16px 20px 60px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; font-weight: 600; margin: 14px 0; }
h2 { font-size: 17px; font-weight: 600; margin: 4px 0 10px; }
h3 { font-size: 14px; font-weight: 600; margin: 18px 0 8px; }
.h-sub { font-size: 14px; font-weight: 400; }
.muted { color: var(--muted); }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 20px; background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; color: var(--ink); }
.topbar nav { display: flex; gap: 16px; align-items: center; }

.flashes { max-width: 1200px; margin: 12px auto 0; padding: 0 20px; }
.flash {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 8px 12px; border-radius: 6px; margin-bottom: 6px;
}

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 16px;
}
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.project-card { color: var(--ink); display: block; }
.project-card:hover { text-decoration: none; border-color: var(--accent); }
.card-title { font-weight: 600; margin-bottom: 6px; }

.login-box { max-width: 320px; margin: 10vh auto; }
.login-box form { display: flex; flex-direction: column; gap: 12px; }

label { display: block; color: var(--ink-2); font-size: 13px; }
label.inline { display: inline-flex; align-items: center; gap: 6px; margin-right: 12px; }
input, select, button {
  font: inherit; color: var(--ink);
  background: var(--surface); border: 1px solid var(--baseline);
  border-radius: 6px; padding: 6px 9px;
}
input[type="checkbox"] { width: auto; padding: 0; }
label > input, label > select { display: block; margin-top: 3px; width: 100%; }
button {
  cursor: pointer; background: var(--accent); border-color: var(--accent);
  color: #fff; font-weight: 500; width: auto;
}
button:hover { filter: brightness(1.08); }
button.small { padding: 3px 8px; font-size: 12px; }
button.danger { background: var(--down); border-color: var(--down); }

.filter-row {
  display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap;
  margin: 14px 0;
}
.filter-row label { min-width: 140px; }
.filter-row .search { flex: 1; min-width: 220px; align-self: flex-end; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 14px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.tile .t-label { color: var(--ink-2); font-size: 12.5px; }
.tile .t-value { font-size: 26px; font-weight: 600; margin-top: 2px; }
.tile .t-delta { font-size: 12.5px; margin-top: 2px; color: var(--muted); }
.delta-up { color: var(--up); }
.delta-down { color: var(--down); }

.charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 12px; margin-bottom: 16px; }
.chart-card .card-title { font-size: 13.5px; color: var(--ink-2); font-weight: 500; }
.chart-legend { display: flex; gap: 14px; flex-wrap: wrap; margin: 6px 0 2px; font-size: 12.5px; color: var(--ink-2); }
.chart-legend .key { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend .key i { width: 14px; height: 0; border-top: 2px solid; border-radius: 2px; }
.chart-wrap { position: relative; }
.chart-tooltip {
  position: absolute; pointer-events: none; z-index: 5;
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
  padding: 7px 10px; font-size: 12.5px; display: none; min-width: 120px;
}
.chart-tooltip .tt-date { color: var(--muted); margin-bottom: 3px; }
.chart-tooltip .tt-row { display: flex; align-items: center; gap: 6px; }
.chart-tooltip .tt-row i { width: 12px; height: 0; border-top: 2px solid; border-radius: 2px; flex: none; }
.chart-tooltip .tt-row b { margin-left: auto; padding-left: 10px; font-variant-numeric: tabular-nums; }
.chart-table { margin-top: 8px; }
.chart-table summary { color: var(--muted); font-size: 12px; cursor: pointer; }
.chart-table table { border-collapse: collapse; font-size: 12px; margin-top: 6px; width: 100%; }
.chart-table th, .chart-table td { border-bottom: 1px solid var(--grid); padding: 3px 8px 3px 0; text-align: right; font-variant-numeric: tabular-nums; }
.chart-table th:first-child, .chart-table td:first-child { text-align: left; }

.chip-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.chip {
  background: var(--surface); border: 1px solid var(--baseline); color: var(--ink-2);
  border-radius: 999px; padding: 4px 12px; font-size: 12.5px; cursor: pointer;
}
.chip b { color: var(--ink); font-weight: 600; }
.chip.active { border-color: var(--accent); color: var(--accent); }
.chip.active b { color: var(--accent); }

.table-card { padding: 6px 0 10px; overflow-x: auto; }
.kw-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.kw-table th, .kw-table td { padding: 7px 12px; border-bottom: 1px solid var(--grid); text-align: left; }
.kw-table th { color: var(--muted); font-weight: 500; white-space: nowrap; cursor: pointer; user-select: none; position: sticky; top: 0; background: var(--surface); }
.kw-table th.sorted-asc::after { content: " ▲"; font-size: 10px; }
.kw-table th.sorted-desc::after { content: " ▼"; font-size: 10px; }
.kw-table th.num, .kw-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.kw-table td.kw-cell { cursor: pointer; }
.kw-table td.kw-cell:hover { color: var(--accent); }
.kw-table .grp-tag { font-size: 11.5px; color: var(--ink-2); background: var(--page); border: 1px solid var(--grid); border-radius: 5px; padding: 1px 7px; white-space: nowrap; }
.kw-table .url-cell { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.kw-table .badge { font-size: 11px; border-radius: 5px; padding: 1px 6px; margin-left: 6px; white-space: nowrap; }
.badge-new { color: var(--up); border: 1px solid var(--up); }
.badge-lost { color: var(--down); border: 1px solid var(--down); }
.badge-extra { color: var(--muted); border: 1px solid var(--grid); }
.pos-none { color: var(--muted); }
.hist-row td { background: var(--page); padding: 10px 16px; }
.table-note { padding: 8px 12px 0; }

.admin-panel { margin-top: 18px; }
.admin-panel summary { cursor: pointer; font-weight: 600; }
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 14px; }
.admin-grid form { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.admin-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
@media (max-width: 900px) { .admin-cols { grid-template-columns: 1fr; } }
.plain-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.plain-table th, .plain-table td { border-bottom: 1px solid var(--grid); padding: 6px 8px; text-align: left; vertical-align: top; }
.plain-table th { color: var(--muted); font-weight: 500; }
.stack { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; max-width: 320px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; }