:root {
  --bg: #f5f4f1;
  --card: #ffffff;
  --ink: #1d1d1f;
  --muted: #6b6b70;
  --line: #e3e1dc;
  --accent: #d94f2b;
  --accent-ink: #ffffff;
  --accent-soft: #fbe9e3;
  --ok: #1f8a4c;
  --ok-soft: #e3f4ea;
  --warn: #a86a00;
  --warn-soft: #fff3d6;
  --err: #c0362c;
  --err-soft: #fde6e4;
  --busy: #e9e7e2;
  --own: #dbe9ff;
  --own-ink: #1b4fa8;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141416; --card: #1e1e21; --ink: #f2f2f2; --muted: #a0a0a8; --line: #313136;
    --accent: #ff6a3d; --accent-ink: #1a0d08; --accent-soft: #3a1f16;
    --ok: #4cc47f; --ok-soft: #173325; --warn: #f0b13c; --warn-soft: #3a2d10; --err: #ff6b5e; --err-soft: #3d1a17;
    --busy: #2a2a2e; --own: #1d3150; --own-ink: #9cc2ff;
    --shadow: none;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--accent); }
h1 { font-size: 1.55rem; line-height: 1.2; margin: .2rem 0 1rem; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; margin: 1.6rem 0 .6rem; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
small, .muted { color: var(--muted); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 460px; }

/* Kopf */
.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; padding-top: env(safe-area-inset-top); }
.top .wrap { display: flex; align-items: center; gap: 12px; min-height: 56px; }
.brand { font-weight: 800; color: var(--ink); text-decoration: none; letter-spacing: -.02em; font-size: 1.1rem; display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.brand .dot { width: 26px; height: 26px; border-radius: 8px; background: var(--accent); display: inline-grid; place-items: center; color: var(--accent-ink); font-size: .8rem; }
.nav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; margin-left: auto; }
.nav::-webkit-scrollbar { display: none; }
.nav a { color: var(--muted); text-decoration: none; padding: 7px 11px; border-radius: 999px; white-space: nowrap; font-size: .94rem; }
.nav a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.subnav { background: var(--card); border-bottom: 1px solid var(--line); }
.subnav .nav { margin: 0; padding: 6px 0; }

/* Mobile Tab-Leiste für Kunden */
.tabbar { display: none; }
@media (max-width: 720px) {
  .cust .top .nav { display: none; }
  .tabbar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; background: var(--card); border-top: 1px solid var(--line); z-index: 20; padding-bottom: env(safe-area-inset-bottom); }
  .tabbar a { flex: 1; text-align: center; padding: 8px 2px 7px; font-size: .72rem; color: var(--muted); text-decoration: none; }
  .tabbar a .i { display: block; font-size: 1.25rem; line-height: 1.2; }
  .tabbar a.on { color: var(--accent); font-weight: 600; }
  .cust main { padding-bottom: 84px; }
}

main { padding: 20px 0 48px; }

/* Karten & Listen */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: 14px; }
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid > .card { margin: 0; }
.list { list-style: none; margin: 0; padding: 0; }
.list > li { padding: 11px 0; border-top: 1px solid var(--line); display: flex; gap: 10px; align-items: center; }
.list > li:first-child { border-top: 0; }
.list .grow { flex: 1; min-width: 0; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 10px; }
.big { font-size: 1.9rem; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }

/* Kontingent-Balken */
.bar { height: 10px; background: var(--busy); border-radius: 99px; overflow: hidden; margin: 8px 0 4px; }
.bar > span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.bar.full > span { background: var(--err); }

/* Abzeichen */
.badge { display: inline-block; font-size: .76rem; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--busy); color: var(--muted); white-space: nowrap; }
.badge.abo { background: var(--ok-soft); color: var(--ok); }
.badge.cash { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.acc { background: var(--accent-soft); color: var(--accent); }

/* Meldungen */
.flash { border-radius: 12px; padding: 12px 14px; margin-bottom: 16px; font-weight: 500; }
.flash.ok { background: var(--ok-soft); color: var(--ok); }
.flash.error { background: var(--err-soft); color: var(--err); }
.note { border-radius: 12px; padding: 12px 14px; background: var(--warn-soft); color: var(--ink); margin: 10px 0; }
.note.info { background: var(--accent-soft); }
.note.err { background: var(--err-soft); }

/* Formulare */
label { display: block; font-weight: 600; font-size: .9rem; margin: 12px 0 5px; }
label.inline { display: inline-flex; gap: 8px; align-items: center; font-weight: 500; margin: 6px 14px 6px 0; }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=number], input[type=date], input[type=month], input[type=url], select, textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; min-height: 44px;
}
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
input[type=checkbox], input[type=radio] { width: 20px; height: 20px; accent-color: var(--accent); }
.btn, button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 10px; padding: 10px 16px; min-height: 44px; text-decoration: none;
}
.btn.ghost, button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.danger, button.danger { background: var(--err); color: #fff; }
.btn.small, button.small { min-height: 34px; padding: 6px 11px; font-size: .88rem; }
.btn.block, button.block { width: 100%; }
button.link { background: none; color: var(--accent); padding: 0; min-height: 0; font-weight: 500; text-decoration: underline; }
form.inline { display: inline; }
.fields { display: grid; gap: 0 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* Raum-Auswahl & Tage */
.seg { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.seg::-webkit-scrollbar { display: none; }
.seg a { flex: 0 0 auto; padding: 9px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); color: var(--ink); text-decoration: none; font-weight: 600; font-size: .93rem; }
.seg a.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.days { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; margin: 12px -16px; padding: 0 16px 4px; scroll-snap-type: x proximity; }
.days::-webkit-scrollbar { display: none; }
.days a { flex: 0 0 52px; text-align: center; padding: 7px 0; border-radius: 12px; background: var(--card); border: 1px solid var(--line); color: var(--ink); text-decoration: none; scroll-snap-align: start; }
.days a small { display: block; font-size: .72rem; }
.days a b { display: block; font-size: 1.1rem; }
.days a.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.days a.on small { color: var(--accent-ink); }

/* Stundenliste beim Buchen */
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 8px; }
.slot { display: block; text-align: center; border-radius: 12px; padding: 12px 4px; font-weight: 700; text-decoration: none; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.slot small { display: block; font-weight: 500; font-size: .72rem; }
a.slot.free:hover { border-color: var(--accent); color: var(--accent); }
.slot.busy { background: var(--busy); color: var(--muted); border-color: transparent; }
.slot.own { background: var(--own); color: var(--own-ink); border-color: transparent; }
.slot.past { opacity: .35; }

/* Dauer-Auswahl */
.durations { display: grid; gap: 8px; }
.dur { display: flex; align-items: center; gap: 12px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; cursor: pointer; background: var(--card); margin: 0; font-weight: 500; }
.dur:has(input:checked) { border-color: var(--accent); outline: 1px solid var(--accent); }
.dur .grow { flex: 1; }
.dur b { font-size: 1.05rem; }

/* Admin-Wochenkalender */
.week { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.week table { border-collapse: collapse; width: 100%; min-width: 760px; table-layout: fixed; }
.week th, .week td { border-bottom: 1px solid var(--line); border-left: 1px solid var(--line); padding: 0; font-size: .78rem; vertical-align: top; }
.week th { position: sticky; top: 0; background: var(--card); padding: 6px 4px; font-weight: 600; }
.week th.today { color: var(--accent); }
.week td.h { width: 46px; text-align: right; padding: 3px 6px; color: var(--muted); border-left: 0; }
.week td a, .week td span { display: block; min-height: 26px; padding: 3px 5px; text-decoration: none; color: var(--ink); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.week td a.free { color: transparent; }
.week td a.free:hover { background: var(--accent-soft); color: var(--accent); }
.week td .booking { background: var(--ok-soft); }
.week td .booking.cash { background: var(--warn-soft); }
.week td .block { background: repeating-linear-gradient(45deg, var(--busy), var(--busy) 5px, transparent 5px, transparent 10px); color: var(--muted); }
.week td .external { background: var(--own); color: var(--own-ink); }
.week td.past { opacity: .55; }

table.t { width: 100%; border-collapse: collapse; font-size: .94rem; }
table.t th { text-align: left; font-size: .8rem; color: var(--muted); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--line); }
table.t td { padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t td.num, table.t th.num { text-align: right; white-space: nowrap; }
.scroll { overflow-x: auto; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 600; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1.35rem; font-weight: 700; letter-spacing: .08em; }
.pre { white-space: pre-line; }
.video { position: relative; width: 100%; max-width: 320px; aspect-ratio: 9/16; border-radius: 12px; overflow: hidden; background: #000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.photo { max-width: 100%; border-radius: 10px; display: block; }
details > summary { cursor: pointer; font-weight: 600; }
.center { text-align: center; }
.mt { margin-top: 16px; }
.hide { display: none !important; }