/* ui.css — sdílený vzhled rozcestníku, loginu a adminu. Tokeny převzaté 1:1 z kalkulačky (lib/calc-src/index.html). */
:root {
  --accent-h: 255;
  --accent: oklch(38% 0.028 var(--accent-h));
  --accent-soft: oklch(96.5% 0.006 var(--accent-h));
  --accent-line: oklch(88% 0.01 var(--accent-h));
  --bg: oklch(98.6% 0.0015 var(--accent-h));
  --surface: #ffffff;
  --surface-2: oklch(97.6% 0.003 var(--accent-h));
  --border: oklch(91.5% 0.004 var(--accent-h));
  --border-soft: oklch(94.5% 0.003 var(--accent-h));
  --text: oklch(24% 0.012 var(--accent-h));
  --muted: oklch(54% 0.01 var(--accent-h));
  --green: #15803d; --green-soft: #f3faf5;
  --red: #c0322b;   --red-soft: #fcf4f3;
  --radius: 8px; --radius-sm: 6px;
  --shadow: 0 4px 12px rgba(17, 20, 26, 0.06), 0 2px 4px rgba(17, 20, 26, 0.04);
  color-scheme: light;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, Roboto, Helvetica, sans-serif;
  background: var(--bg); color: var(--text);
  font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
  display: flex; flex-direction: column; min-height: 100vh;
}
input, button, select { font-family: inherit; font-size: inherit; color: inherit; }
a { color: inherit; }

/* ─── Hlavička (stejná jako .app-header v kalkulačce) ─── */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand h1 { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.2; }
.brand .sub { font-size: 11px; color: var(--muted); }
.mark { width: 34px; height: 34px; border-radius: var(--radius-sm); background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 12px; letter-spacing: 0.02em; flex: none; }
.meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; padding: 4px 9px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--muted); white-space: nowrap; }
.badge b { color: var(--text); font-weight: 600; }
.badge.admin { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.badge.ok { color: var(--green); border-color: oklch(88% 0.06 150); background: var(--green-soft); }

/* ─── Tlačítka (jako .btn-primary / .btn-ghost v kalkulačce) ─── */
.btn, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 7px 12px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; cursor: pointer; text-decoration: none; transition: border-color .12s, color .12s, background .12s, filter .12s; white-space: nowrap; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.btn:hover { filter: brightness(0.92); }
.btn.wide { width: 100%; padding: 10px 14px; font-size: 14px; }
.btn-ghost.danger { border-color: oklch(85% 0.06 25); color: var(--red); }
.btn-ghost.danger:hover { background: var(--red-soft); border-color: var(--red); }
.btn-ghost.sm, .btn.sm { padding: 4px 9px; font-size: 12px; }
:is(.btn, .btn-ghost, .field, select.field):focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ─── Pole ─── */
.label { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0.01em; margin-bottom: 6px; }
.field { width: 100%; background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 9px 12px; border-radius: var(--radius-sm); outline: none; font-size: 14px; transition: border-color .12s, box-shadow .12s; }
.field::placeholder { color: oklch(72% 0.008 var(--accent-h)); }
.field:hover { border-color: var(--accent-line); }
.field:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
select.field { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 30px; }

/* ─── Karta, obsah, patička ─── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card-title { font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 12px; }
main.page { flex: 1; width: 100%; max-width: 1040px; margin: 0 auto; padding: 32px 24px 48px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.page-head h2 { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; text-wrap: balance; }
.page-head p { font-size: 13px; color: var(--muted); margin-top: 2px; }
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 14px 24px; border-top: 1px solid var(--border-soft); font-size: 11px; color: var(--muted); }
.hint { font-size: 11px; color: var(--muted); }

/* ─── Hlášky ─── */
.flash { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; padding: 10px 12px; border-radius: var(--radius-sm); border: 1px solid; margin-bottom: 18px; }
.flash.ok  { color: var(--green); background: var(--green-soft); border-color: oklch(88% 0.06 150); }
.flash.err { color: var(--red);   background: var(--red-soft);   border-color: oklch(88% 0.05 25); }

/* ─── Dlaždice nástrojů (rozcestník) ─── */
.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tool { display: flex; flex-direction: column; gap: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; text-decoration: none; transition: border-color .12s, box-shadow .12s; min-height: 150px; }
.tool:hover { border-color: var(--accent-line); box-shadow: var(--shadow); }
.tool .ico { width: 34px; height: 34px; border-radius: var(--radius-sm); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.tool .ico svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tool h3 { font-size: 15px; font-weight: 700; letter-spacing: -0.01em; }
.tool p { font-size: 12px; color: var(--muted); flex: 1; }
.tool .go { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; align-items: center; padding-top: 10px; border-top: 1px solid var(--border-soft); }
.tool:hover .go { color: var(--accent); }
.soon { margin-top: 14px; font-size: 12px; color: var(--muted); }

/* ─── Tabulka (admin) ─── */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; font-size: 11px; font-weight: 600; color: var(--muted); letter-spacing: 0.03em; text-transform: uppercase; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.table td { padding: 10px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table td.num, .table td.dim { color: var(--muted); }
.table td.actions { text-align: right; white-space: nowrap; }
.who { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.who b { font-weight: 600; }
details.pw { margin-top: 6px; }
details.pw summary { list-style: none; cursor: pointer; font-size: 12px; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
details.pw summary::-webkit-details-marker { display: none; }
details.pw summary:hover { color: var(--accent); }
details.pw[open] summary { color: var(--accent); }
.pw-row { display: flex; gap: 8px; margin-top: 8px; max-width: 360px; }
.pw-row .field { padding: 6px 10px; font-size: 13px; }
.add-row { display: grid; grid-template-columns: 1.2fr 1.2fr 0.8fr auto; gap: 12px; align-items: end; }
.inline { display: inline; }

@media (max-width: 860px) { .tools { grid-template-columns: 1fr; } .add-row { grid-template-columns: 1fr 1fr; } .table th:nth-child(3), .table td:nth-child(3) { display: none; } }
@media (max-width: 560px) { .add-row { grid-template-columns: 1fr; } main.page { padding: 22px 16px 40px; } .top { padding: 12px 16px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }