:root {
  --bg: #f4f7f6; --card: #ffffff; --text: #1d2a26; --muted: #66756f; --border: #dde5e2;
  --brand: #1f7a5c; --brand-soft: #e3f2ec;
  --available: #d9f2e1; --requested: #fff2cc; --booked: #dce6f7; --completed: #e8e8e8; --noshow: #f6e0c8; --cancelled: #f4cccc;
  --danger: #b42318;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111816; --card: #1a2420; --text: #e6efeb; --muted: #95a39d; --border: #2b3833;
    --brand: #3bb38a; --brand-soft: #1d3a30;
    --available: #1f3d2c; --requested: #4a3f17; --booked: #1f2f4d; --completed: #2c2c2c; --noshow: #4a3520; --cancelled: #4d2222;
    --danger: #ff8a80;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
h2 { margin: 0 0 12px; font-size: 1.15rem; }
h3 { margin: 0 0 8px; font-size: 1rem; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; margin: 8px 0 0; }

.topbar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.logo { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 7px; background: var(--brand); color: #fff; font-weight: 800; }
nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
nav button { border: 0; background: none; color: var(--muted); padding: 8px 12px; border-radius: 8px; font: inherit; cursor: pointer; white-space: nowrap; }
nav button.active { background: var(--brand-soft); color: var(--brand); font-weight: 600; }
main { max-width: 1200px; margin: 0 auto; padding: 16px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.stat { text-align: center; }
.stat b { display: block; font-size: 1.8rem; }
.row { display: flex; gap: 8px; align-items: end; flex-wrap: wrap; }
.spacer { flex: 1; }

label { display: flex; flex-direction: column; gap: 4px; font-size: .85rem; color: var(--muted); }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; min-width: 0; }
textarea { min-height: 70px; }
.btn { font: inherit; border: 1px solid var(--border); background: var(--card); color: var(--text); padding: 7px 14px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.danger { color: var(--danger); }
.btn.ghost { background: none; }
.btn.small { padding: 4px 10px; font-size: .85rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
td .btn { margin: 2px 2px 2px 0; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.s-Available { background: var(--available); } .s-Requested { background: var(--requested); } .s-Booked { background: var(--booked); }
.s-Completed { background: var(--completed); } .s-No-show { background: var(--noshow); } .s-Cancelled { background: var(--cancelled); }
.token { font-weight: 800; font-family: ui-monospace, monospace; }

.queue-now { text-align: center; padding: 28px 16px; }
.queue-now .token { font-size: 4rem; color: var(--brand); display: block; line-height: 1.1; }
.days { display: flex; gap: 6px; flex-wrap: wrap; }
.days label { flex-direction: row; align-items: center; gap: 4px; color: var(--text); }

.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 340px; display: flex; flex-direction: column; gap: 14px; }

dialog { border: 1px solid var(--border); border-radius: 12px; padding: 0; background: var(--card); color: var(--text); width: min(480px, calc(100vw - 32px)); }
dialog form { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
dialog::backdrop { background: rgba(0,0,0,.4); }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; opacity: 0; transition: opacity .2s; pointer-events: none; max-width: calc(100vw - 32px); }
.toast.show { opacity: 1; }
.banner { padding: 10px 14px; border-radius: 8px; background: var(--requested); margin-bottom: 16px; }
@media (max-width: 700px) {
  .topbar { gap: 8px; }
  .topbar .brand { flex: 1; }
  nav { order: 3; flex-basis: 100%; }
  main { padding: 12px; }
}