:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1f2430;
  --muted: #6b7280;
  --line: #e3e6ec;
  --accent: #2f5bd3;
  --accent-soft: #e8eefc;
  --brand: #24356b;
  --up: #15803d;
  --down: #b91c1c;
  --warn: #b45309;
  --grid: #e3e6ec;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --card: #1a1e26;
    --text: #e6e8ec;
    --muted: #9aa3b2;
    --line: #2c323d;
    --accent: #7b9cf0;
    --accent-soft: #232c45;
    --brand: #a9bbf2;
    --up: #4ade80;
    --down: #f87171;
    --warn: #fbbf24;
    --grid: #2c323d;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--accent); }
h1 { font-size: 1.45rem; margin: 4px 0 14px; }
h2 { font-size: 1.05rem; margin: 0 0 10px; }
small, .muted { color: var(--muted); font-weight: 400; }
code { background: var(--accent-soft); padding: 1px 5px; border-radius: 4px; }

.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 20px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-weight: 800; color: var(--brand); text-decoration: none; font-size: 1.1rem; letter-spacing: .02em; }
.brand span { color: var(--accent); }
.top nav { display: flex; gap: 16px; align-items: center; }
.top nav a { text-decoration: none; color: var(--text); }
.top nav form { margin: 0; }
button.link { background: none; border: 0; color: var(--muted); padding: 0; font: inherit; cursor: pointer; }
main { max-width: 1180px; margin: 0 auto; padding: 18px 20px 48px; }
.crumbs { margin: 0; font-size: .85rem; color: var(--muted); }
.crumbs a { color: var(--muted); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; }
.card.narrow, form.narrow { max-width: 440px; }
.danger-zone { border-color: color-mix(in srgb, var(--down) 40%, var(--line)); }
.flash { background: var(--card); border-left: 4px solid var(--up); padding: 9px 14px; border-radius: 6px; }
.flash.bad { border-color: var(--down); } .flash.warn { border-color: var(--warn); }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin: 0 0 16px; overflow-x: auto; }
.tabs a { padding: 8px 14px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.active { color: var(--accent); border-color: var(--accent); font-weight: 600; }

.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.grow { flex: 1; min-width: 180px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--card); }
.seg a { padding: 6px 12px; text-decoration: none; color: var(--muted); }
.seg a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
form.inline, label.inline { display: inline-flex; gap: 8px; align-items: center; margin: 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; }
.stat span:first-child { color: var(--muted); font-size: .82rem; }
.stat strong { font-size: 1.5rem; line-height: 1.2; }
.stat small { font-size: .78rem; }

label { display: block; font-weight: 600; margin: 12px 0 4px; }
label small { display: block; margin-top: 2px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=month], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--bg); color: var(--text); font: inherit; font-weight: 400; margin-top: 4px; }
form.inline select, form.inline input, .bulk input { width: auto; margin-top: 0; }
textarea { resize: vertical; }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 220px; }
button, .btn { display: inline-block; padding: 8px 16px; border: 1px solid var(--accent); border-radius: 7px; background: var(--accent); color: #fff; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
button.secondary, .btn.secondary { background: transparent; color: var(--accent); }
button.danger { background: var(--down); border-color: var(--down); }
button.small { padding: 4px 10px; font-size: .85rem; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; white-space: nowrap; }
th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]::after { content: ' ↕'; opacity: .35; }
th.asc::after { content: ' ↑'; opacity: 1; } th.desc::after { content: ' ↓'; opacity: 1; }
tbody tr:hover { background: color-mix(in srgb, var(--accent-soft) 45%, transparent); }
tr.paused { opacity: .55; }
tr.own td { background: var(--accent-soft); }
td.pos { font-weight: 700; font-size: 1.05rem; }
td.url { max-width: 320px; overflow-wrap: anywhere; font-size: .85rem; }
.bulk { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }

.up { color: var(--up); font-weight: 600; } .down { color: var(--down); font-weight: 600; }
.bad { color: var(--down); }
.pill { display: inline-block; padding: 1px 9px; border-radius: 99px; border: 1px solid var(--line); font-size: .76rem; color: var(--muted); white-space: nowrap; margin: 1px 0; }
.score { display: inline-block; min-width: 2.4em; text-align: center; padding: 2px 8px; border-radius: 7px; font-weight: 700; color: #fff; }
.score.big { font-size: 1.4rem; }
.score.s0 { background: #b91c1c; } .score.s1 { background: #d9622b; } .score.s2 { background: #c99a06; } .score.s3, .score.s4 { background: #15803d; }
.sev { display: inline-block; padding: 1px 8px; border-radius: 5px; font-size: .78rem; font-weight: 700; }
.sev-error { color: var(--down); } .sev-warning { color: var(--warn); } .sev-notice { color: var(--muted); }
span.sev.sev-error { background: color-mix(in srgb, var(--down) 14%, transparent); }
span.sev.sev-warning { background: color-mix(in srgb, var(--warn) 16%, transparent); }
span.sev.sev-notice { background: var(--accent-soft); }
td.good { color: var(--up); font-weight: 600; } td.mid { color: var(--warn); font-weight: 600; } td.poor { color: var(--down); font-weight: 600; }
ul.plain { list-style: none; padding: 0; margin: 0; } ul.plain li { padding: 4px 0; }
ul.checklist { padding-left: 0; list-style: none; } ul.checklist li { padding: 3px 0 3px 22px; position: relative; }
ul.checklist li::before { position: absolute; left: 0; content: '•'; }
ul.checklist li.ok::before { content: '✓'; color: var(--up); } ul.checklist li.bad::before { content: '✗'; color: var(--down); } ul.checklist li.warn::before { content: '!'; color: var(--warn); }

.chart { width: 100%; height: auto; display: block; }
.chart .grid { stroke: var(--grid); }
.chart .axis { fill: var(--muted); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: .85rem; margin: 6px 0 0; }
.legend i { display: inline-block; width: 12px; height: 4px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }

.report-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
.report-preview { background: #fff; color: #1f2937; }
@media (max-width: 900px) { .report-layout { grid-template-columns: 1fr; } }
@media (max-width: 600px) { main { padding: 14px 12px 40px; } .top { padding: 10px 12px; } }