:root {
  --bg: #f6f7f9; --card: #ffffff; --ink: #14171c; --ink2: #5b6472; --line: #e3e6eb;
  --accent: #0f766e; --accent-ink: #ffffff; --good: #15803d; --bad: #b91c1c; --warn: #b45309; --chip: #eef2f6;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --card: #171b21; --ink: #e8ebef; --ink2: #9aa4b2; --line: #2a3039;
          --accent: #2dd4bf; --accent-ink: #062b28; --good: #4ade80; --bad: #f87171; --warn: #fbbf24; --chip: #222831; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
.top { position: sticky; top: 0; z-index: 2; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px;
       padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; letter-spacing: .2px; }
nav { display: flex; gap: 4px; overflow-x: auto; flex: 1 1 auto; }
nav button { border: 0; background: none; color: var(--ink2); padding: 6px 10px; border-radius: 8px; font: inherit; cursor: pointer; white-space: nowrap; }
nav button.on { background: var(--chip); color: var(--ink); font-weight: 600; }
.sync { color: var(--ink2); font-size: 13px; }
main { max-width: 1180px; margin: 0 auto; padding: 16px; }
h1 { font-size: 20px; margin: 4px 0 12px; } h2 { font-size: 16px; margin: 20px 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.kpi .label { color: var(--ink2); font-size: 13px; } .kpi .big { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.muted { color: var(--ink2); } .small { font-size: 13px; }
.pos { color: var(--good); } .neg { color: var(--bad); }
.badge { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 12px; background: var(--chip); color: var(--ink2); }
.badge.warn { color: var(--warn); } .badge.bad { color: var(--bad); } .badge.good { color: var(--good); }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 7px 10px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
th { color: var(--ink2); font-weight: 600; font-size: 13px; background: var(--card); position: sticky; top: 0; }
td:first-child, th:first-child, td.l, th.l { text-align: left; }
tr:last-child td { border-bottom: 0; } tr.total td { font-weight: 700; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin: 0 0 12px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--ink2); }
input, select { font: inherit; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink); }
button[type=submit], .btn { font: inherit; padding: 7px 14px; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-ink); cursor: pointer; }
.login { max-width: 360px; margin: 40px auto; } .login form { display: grid; gap: 10px; }
.err { color: var(--bad); min-height: 1.2em; margin: 0; }
.note { color: var(--ink2); font-size: 13px; margin: 8px 0 0; }
.strip td { font-size: 13px; padding: 5px 8px; }
.cell-booked { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.cell-blocked { background: color-mix(in srgb, var(--warn) 14%, transparent); }
@media (max-width: 640px) { main { padding: 12px; } .kpi .big { font-size: 19px; } }