:root {
  color-scheme: light;
  --bg: #f6f4f1;
  --surface: #fdfcfb;
  --surface-2: #f1eeea;
  --border: #e3ded7;
  --text: #1d1a18;
  --text-2: #5a544f;
  --text-3: #8a837c;
  --accent: #8a1f3d;
  --accent-ink: #ffffff;
  --accent-soft: #f5e6eb;
  --bar: #a8385a;
  --bar-strong: #6e1631;
  --bar-muted: #c9c3bc;
  --track: #efebe6;
  --danger: #b3261e;
  --ok: #2e7d32;
  --shadow: 0 1px 2px rgba(40, 20, 20, .06), 0 2px 8px rgba(40, 20, 20, .04);
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #151312;
    --surface: #1e1b1a;
    --surface-2: #272321;
    --border: #36302d;
    --text: #f4f1ee;
    --text-2: #c3bcb5;
    --text-3: #8f8780;
    --accent: #d4668b;
    --accent-ink: #1a0d12;
    --accent-soft: #3a1f29;
    --bar: #d4668b;
    --bar-strong: #f09ab6;
    --bar-muted: #5d5753;
    --track: #2b2624;
    --danger: #ef6b62;
    --ok: #7bc47f;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #151312; --surface: #1e1b1a; --surface-2: #272321; --border: #36302d;
  --text: #f4f1ee; --text-2: #c3bcb5; --text-3: #8f8780;
  --accent: #d4668b; --accent-ink: #1a0d12; --accent-soft: #3a1f29;
  --bar: #d4668b; --bar-strong: #f09ab6; --bar-muted: #5d5753; --track: #2b2624;
  --danger: #ef6b62; --ok: #7bc47f; --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  font-variant-numeric: tabular-nums;
}
a { color: var(--accent); }
h1, h2, h3 { margin: 0; font-weight: 600; }
.muted { color: var(--text-3); }
.small { font-size: 12px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; color: var(--text); text-decoration: none; }
.brand svg { width: 22px; height: 22px; fill: var(--accent); }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tabs a {
  padding: 7px 14px; border-radius: 8px; text-decoration: none; color: var(--text-2); font-weight: 500;
}
.tabs a:hover { background: var(--surface-2); color: var(--text); }
.tabs a.active { background: var(--accent-soft); color: var(--accent); }
.tabs a.tab-add { color: var(--accent); }
.tools { margin-left: auto; display: flex; gap: 6px; flex-wrap: wrap; }
.source-info { padding: 6px 24px; font-size: 12px; color: var(--text-3); border-bottom: 1px solid var(--border); }

main { max-width: 1440px; margin: 0 auto; padding: 20px 24px 60px; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; font-weight: 500;
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); border-color: var(--danger); }
.btn:disabled { opacity: .5; cursor: default; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--accent); font: inherit; cursor: pointer; }
.linkbtn:hover { text-decoration: underline; }

/* ---------- layout ---------- */
.section-title { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin: 28px 0 10px; }
.section-title:first-child { margin-top: 0; }
.grid2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px 18px; margin-bottom: 16px; min-width: 0;
}
.grid2 > .card { margin-bottom: 0; }
.card-h { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.card-h h3 { font-size: 16px; }
.card-h .muted { font-size: 12px; }
.card-h .spacer { flex: 1; }
.split { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 24px; align-items: start; }

/* ---------- KPI ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.kpi .k-label { font-size: 12px; color: var(--text-2); }
.kpi .k-value { font-size: 26px; font-weight: 650; margin-top: 2px; line-height: 1.2; }
.kpi .k-sub { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.kpi.hero { grid-column: span 2; background: var(--accent-soft); border-color: transparent; }
.kpi.hero .k-value { font-size: 48px; color: var(--accent); }

.records { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin-bottom: 16px; }
.record { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); border-left: 4px solid var(--bar); }
.record.low { border-left-color: var(--bar-muted); }
.record .r-label { font-size: 12px; color: var(--text-2); }
.record .r-value { font-size: 20px; font-weight: 650; margin: 2px 0; }
.record .r-sub { font-size: 12px; color: var(--text-3); }

/* ---------- horizontal bars ---------- */
.bars { display: flex; flex-direction: column; gap: 2px; }
.bar-row { display: grid; grid-template-columns: minmax(90px, min(38%, 220px)) 1fr 44px; align-items: center; gap: 10px; padding: 3px 4px; border-radius: 6px; cursor: default; }
.bar-row:hover { background: var(--surface-2); }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); font-size: 13px; }
.bar-track { height: 16px; display: flex; align-items: center; }
.bar { display: block; height: 14px; min-width: 2px; background: var(--bar); border-radius: 0 4px 4px 0; }
.bar-row.unk .bar { background: var(--bar-muted); }
.bar-row.unk .bar-label { font-style: italic; color: var(--text-3); }
.bar-row.hl .bar { background: var(--bar-strong); }
.bar-val { text-align: right; font-weight: 600; font-size: 13px; }
.more { margin-top: 8px; }

/* ---------- column chart ---------- */
.cols { position: relative; padding-left: 34px; }
.cols-plot { position: relative; height: 220px; border-bottom: 1px solid var(--border); }
.cols-grid { position: absolute; inset: 0; pointer-events: none; }
.cols-grid div { position: absolute; left: 0; right: 0; border-top: 1px dashed var(--border); }
.cols-grid span { position: absolute; left: -34px; width: 28px; text-align: right; transform: translateY(-50%); font-size: 11px; color: var(--text-3); }
.cols-bars { position: absolute; inset: 0; display: flex; align-items: flex-end; gap: 2px; }
.col { flex: 1 1 0; height: 100%; display: flex; align-items: flex-end; justify-content: center; min-width: 0; cursor: default; }
.col:hover { background: color-mix(in srgb, var(--bar) 8%, transparent); }
.col-bar { display: block; width: 100%; max-width: 24px; background: var(--bar); border-radius: 4px 4px 0 0; min-height: 0; }
.col.hl .col-bar { background: var(--bar-strong); }
.col.partial .col-bar { background: var(--bar-muted); }
.cols-x { display: flex; gap: 2px; margin-top: 4px; height: 16px; }
.cols-x span { flex: 1 1 0; min-width: 0; font-size: 11px; color: var(--text-3); white-space: nowrap; overflow: visible; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-2); margin-top: 10px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }

/* ---------- tables ---------- */
.tablewrap { max-height: 460px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
.tablewrap.big { max-height: calc(100vh - 220px); }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th, table.data td { padding: 6px 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data th { position: sticky; top: 0; background: var(--surface-2); color: var(--text-2); font-weight: 600; white-space: nowrap; z-index: 1; }
table.data th.sortable { cursor: pointer; user-select: none; }
table.data th.sortable:hover { color: var(--text); }
table.data th .arr { color: var(--accent); margin-left: 4px; }
table.data td.num, table.data th.num { text-align: right; }
table.data tbody tr:hover { background: var(--surface-2); }
table.data tr.unk td { color: var(--text-3); font-style: italic; }
table.data tr.hl td { font-weight: 600; }
table.data td.wrap { max-width: 320px; }
table.data td .sub { display: block; color: var(--text-3); font-size: 11px; font-style: normal; }
.unkv { color: var(--text-3); }
.actions { white-space: nowrap; }
.actions .btn { padding: 3px 9px; font-size: 12px; }

/* ---------- heatmap ---------- */
table.heat { border-collapse: separate; border-spacing: 2px; width: 100%; font-size: 12px; }
table.heat th { color: var(--text-3); font-weight: 500; padding: 2px 4px; text-align: center; }
table.heat th.y { text-align: left; color: var(--text-2); }
table.heat td { text-align: center; padding: 6px 2px; border-radius: 4px; background: var(--track); color: var(--text); cursor: default; }
table.heat td.empty { background: transparent; color: var(--text-3); }
table.heat td.dark { color: #fff; }
table.heat td.max { outline: 2px solid var(--text); outline-offset: -2px; font-weight: 700; }
table.heat td.tot { background: transparent; font-weight: 600; text-align: right; padding-right: 6px; }

/* ---------- list scene ---------- */
.toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar input[type=search] { flex: 1 1 280px; max-width: 420px; }
.toolbar .count { color: var(--text-3); font-size: 13px; }
.toolbar .spacer { flex: 1; }

/* ---------- form ---------- */
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }
.form { max-width: 820px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-2); margin-bottom: 4px; }
.field .hint { font-size: 11px; color: var(--text-3); margin-top: 3px; }
.field.full { grid-column: 1 / -1; }
.field .unk-toggle { display: inline-flex; gap: 4px; align-items: center; font-weight: 400; margin-left: 8px; color: var(--text-3); }
.field .unk-toggle input { width: auto; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.form-error { color: var(--danger); margin-top: 12px; font-weight: 500; }

/* ---------- tooltip / toast ---------- */
.tip {
  position: fixed; z-index: 50; pointer-events: none; max-width: 340px;
  background: var(--text); color: var(--surface); padding: 7px 10px; border-radius: 6px;
  font-size: 12px; line-height: 1.4; white-space: pre-line; box-shadow: 0 4px 14px rgba(0,0,0,.2);
}
.toast {
  position: fixed; z-index: 60; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--text); color: var(--surface); padding: 10px 18px; border-radius: 8px; box-shadow: 0 4px 14px rgba(0,0,0,.25);
}
.toast.err { background: var(--danger); color: #fff; }
.loading { padding: 40px; text-align: center; color: var(--text-3); }
.note { font-size: 12px; color: var(--text-3); margin-top: 8px; }

@media (max-width: 1000px) {
  .grid2, .split { grid-template-columns: minmax(0, 1fr); }
  .kpi.hero { grid-column: auto; }
}
@media (max-width: 640px) {
  .topbar { padding: 10px 16px; }
  main { padding: 16px 16px 60px; }
  .source-info { padding: 6px 16px; }
  .tools { margin-left: 0; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .bar-row { grid-template-columns: minmax(80px, 42%) 1fr 36px; }
}
table.data td.nowrap { white-space: nowrap; }

/* ---------- úvod, drag & drop, stav ukládání ---------- */
.welcome { max-width: 720px; margin: 40px auto; padding: 28px 32px; }
.welcome h2 { font-size: 22px; margin-bottom: 8px; }
.dropzone { margin: 20px 0; padding: 36px 20px; border: 2px dashed var(--border); border-radius: var(--radius); text-align: center; display: grid; gap: 10px; justify-items: center; background: var(--surface-2); }
.drop-overlay { position: fixed; inset: 0; z-index: 70; background: color-mix(in srgb, var(--accent) 18%, transparent); display: grid; place-items: center; pointer-events: none; }
.drop-overlay div { background: var(--surface); border: 2px dashed var(--accent); border-radius: 14px; padding: 28px 40px; font-size: 18px; font-weight: 600; color: var(--accent); }
.warn { color: #b26a00; font-weight: 600; }
.okc { color: var(--ok); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .warn { color: #f0b35a; } }
:root[data-theme="dark"] .warn { color: #f0b35a; }
[hidden] { display: none !important; }

/* ---------- přihlášení ---------- */
body.locked .auth-only { display: none !important; }
.login { max-width: 420px; }
.login .field { margin: 16px 0 10px; }
.remember { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--text-2); }
.remember input { width: auto; }