:root {
  --floor: #fbfbfd; --room: #eef0f5; --office: #e7ebff; --meet: #f3ecff; --call: #dcf5e6; --wall: #3b3f4a;
  --accent: #4338ff; --accent-ink: #fff; --bg: #f6f7fb; --card: #fff; --ink: #14151a; --muted: #6b6f7b;
  --line: #e3e5ec; --free: #16a34a; --booked: #9ca3af; --mine: #4338ff; --owner: #f59e0b; --kept: #cbd5e1;
  --private: #64748b; --danger: #dc2626;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1117; --card: #181b24; --ink: #e8eaf0; --muted: #9aa0ad; --line: #2a2f3b; --kept: #3b4252;
    --floor: #1d212b; --room: #262b37; --office: #262d4a; --meet: #2f2840; --call: #1d3a2b; --wall: #8b93a5; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }
button, select, input { font: inherit; color: inherit; }
.top { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { font-weight: 700; letter-spacing: .2px; }
.brand .logo { color: var(--accent); }
.brand .product { color: var(--muted); font-weight: 500; }
nav { display: flex; gap: 4px; }
nav button { border: 0; background: none; padding: 6px 12px; border-radius: 8px; cursor: pointer; color: var(--muted); }
nav button.on { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); font-weight: 600; }
.who { margin-left: auto; color: var(--muted); font-size: 14px; display: flex; gap: 10px; align-items: center; }
.who a { color: var(--accent); }
main { max-width: 1280px; margin: 0 auto; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin-bottom: 16px; }
.card.narrow { max-width: 420px; margin: 12vh auto; text-align: center; padding: 32px 24px; }
.brand.big { font-size: 26px; margin-bottom: 4px; }
.signin-page .btn.primary { margin-top: 8px; padding: 10px 20px; }
h1 { font-size: 22px; margin: 0 0 8px; } h2 { font-size: 17px; margin: 0 0 12px; } h3 { font-size: 14px; margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.btn { display: inline-block; border: 1px solid var(--line); background: var(--card); padding: 8px 14px; border-radius: 9px; cursor: pointer; text-decoration: none; color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--danger); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.muted { color: var(--muted); } .small { font-size: 13px; }
.notice { background: color-mix(in srgb, var(--danger) 10%, transparent); color: var(--danger); padding: 10px; border-radius: 8px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-bottom: 12px; }
.daynav { display: flex; gap: 6px; align-items: center; }
.daynav button { border: 1px solid var(--line); background: var(--card); width: 34px; height: 34px; border-radius: 8px; cursor: pointer; font-size: 18px; }
.daynav select { height: 34px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); padding: 0 8px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: var(--card); }
.seg button { border: 0; background: none; padding: 7px 14px; cursor: pointer; }
.seg button.on { background: var(--accent); color: var(--accent-ink); }
.legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--muted); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; vertical-align: -1px; }
.dot.free, .seat.free { background: var(--free); } .dot.booked, .seat.booked { background: var(--booked); }
.dot.mine, .seat.mine { background: var(--mine); } .dot.owner, .seat.owner { background: var(--owner); }
.dot.kept_free, .seat.kept_free { background: var(--kept); } .seat.private { background: var(--private); }
.mapwrap { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 16px; align-items: start; }
.map { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.map svg.plan { display: block; width: 100%; height: auto; }
.fp-floor { fill: var(--floor); stroke: var(--wall); stroke-width: 7; stroke-linejoin: round; }
.fp-room { stroke: var(--wall); stroke-width: 4; stroke-linejoin: round; }
.fp-service { fill: var(--room); } .fp-office { fill: var(--office); } .fp-meet { fill: var(--meet); }
.fp-private { fill: url(#hatch); } .fp-hatch { stroke: var(--line); stroke-width: 5; }
.fp-table { fill: var(--wall); opacity: .35; }
.fp-call { fill: var(--call); stroke: var(--free); stroke-width: 3; stroke-dasharray: 10 8; }
.fp-desks { fill: var(--room); stroke: var(--wall); stroke-width: 3; } .fp-desk-split { stroke: var(--wall); stroke-width: 2; }
.fp-label { fill: var(--muted); font: 600 30px system-ui, sans-serif; text-anchor: middle; }
.fp-small { font-size: 24px; font-weight: 500; } .fp-call-label { fill: var(--free); font-size: 24px; }
.dot.call { background: var(--call); border: 1px dashed var(--free); }
.seat { position: absolute; transform: translate(-50%, -50%); width: 5.2%; aspect-ratio: 1; border-radius: 50%; border: 3px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,.25); cursor: pointer; display: grid; place-items: center; color: #fff; font-weight: 700; font-size: clamp(9px, 1.1vw, 14px); padding: 0; }
.seat.sel { outline: 4px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 2px; }
.seat:focus-visible { outline: 4px solid var(--accent); }
.seat .tag { position: absolute; top: 100%; margin-top: 4px; white-space: nowrap; font-size: clamp(9px, .95vw, 12px); color: #14151a; background: rgba(255,255,255,.9); padding: 1px 6px; border-radius: 6px; font-weight: 600; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; position: sticky; top: 70px; }
.panel h2 { margin-bottom: 4px; }
.halfrow { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); gap: 8px; }
.halfrow:last-of-type { border-bottom: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.repeat { margin-top: 10px; font-size: 14px; color: var(--muted); }
.repeat select { border: 1px solid var(--line); border-radius: 7px; background: var(--card); padding: 3px 6px; }
ul.plain { list-style: none; margin: 0; padding: 0; }
ul.plain li { padding: 5px 0; }
ul.rows li { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); padding: 9px 0; gap: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 2px 4px 2px 10px; font-size: 13px; display: inline-flex; gap: 4px; align-items: center; }
.chip button { border: 0; background: none; cursor: pointer; color: var(--muted); }
form.inline { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
input[type=email], input[type=text] { border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; background: var(--card); min-width: 0; }
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.week th, table.week td { text-align: center; padding: 4px; }
table.week th.seatname { text-align: left; white-space: nowrap; }
.cell { display: block; border-radius: 6px; padding: 4px 2px; font-size: 12px; min-width: 52px; color: #fff; cursor: pointer; border: 0; width: 100%; }
.cell.free { background: color-mix(in srgb, var(--free) 85%, transparent); }
.cell.booked { background: var(--booked); } .cell.mine { background: var(--mine); } .cell.owner { background: var(--owner); }
.cell.kept_free { background: var(--kept); color: var(--muted); } .cell.private { background: var(--private); }
.today-col { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; max-width: 90vw; z-index: 20; }
@media (max-width: 860px) {
  .mapwrap { grid-template-columns: 1fr; }
  .panel { position: static; }
  .seat { width: 6%; border-width: 2px; }
  .seat .tag { display: none; }
  .legend { width: 100%; }
}