/* Buchungsseite für Kunden – schlicht in Schwarz/Weiß */
:root {
  --text: #1a1a1a; --muted: #6b6b6b; --line: #e4e4e4; --bg: #ffffff; --soft: #f5f5f5;
  --accent: #1a1a1a; --accent-text: #ffffff; --ok: #2f6b3a; --err: #a12a2a;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: #f2f2f2; font: 16px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--text); }
body.embed { background: transparent; }
.wrap { max-width: 880px; margin: 32px auto; padding: 0 16px; }
body.embed .wrap { margin: 0 auto; padding: 0; }
body.popup { background: #fff; }
body.popup .box { border: 0; border-radius: 0; }
body.popup .head { padding-right: 60px; }
.box { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.head { padding: 22px 28px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: center; }
.head h1 { margin: 0; font-size: 20px; font-weight: 600; }
.head p { margin: 2px 0 0; color: var(--muted); font-size: 14px; }
.steps { display: flex; gap: 6px; font-size: 13px; color: var(--muted); }
.steps span { padding: 3px 10px; border-radius: 20px; background: var(--soft); }
.steps span.on { background: var(--accent); color: var(--accent-text); }
.body { padding: 28px; }
h2 { font-size: 17px; font-weight: 600; margin: 0 0 16px; }
.types { display: grid; gap: 12px; }
.type { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 20px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; background: #fff; text-align: left; font: inherit; color: inherit; width: 100%; }
.type:hover, .type:focus-visible { border-color: var(--accent); }
.type b { display: block; font-weight: 600; }
.type small { color: var(--muted); font-size: 14px; }
.dur { white-space: nowrap; font-size: 14px; color: var(--muted); }
.grid2 { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; }
.cal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.cal-head b { font-weight: 600; }
.nav { border: 1px solid var(--line); background: #fff; width: 36px; height: 36px; border-radius: 6px; cursor: pointer; font-size: 18px; line-height: 1; color: var(--text); }
.nav:disabled { opacity: .3; cursor: default; }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; text-align: center; min-height: 290px; align-content: start; }
.cal .wd { font-size: 12px; color: var(--muted); padding: 4px 0; }
.day { height: 44px; border: 0; border-radius: 6px; background: transparent; font: inherit; font-size: 15px; color: #bbb; }
.day.free { background: var(--soft); color: var(--text); cursor: pointer; font-weight: 600; }
.day.free:hover { outline: 1px solid var(--accent); }
.day.sel { background: var(--accent); color: var(--accent-text); }
.day.today:not(.sel) { box-shadow: inset 0 -2px 0 #999; }
.legend { margin-top: 12px; font-size: 12px; color: var(--muted); }
.times { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; max-height: 360px; overflow-y: auto; }
.time { padding: 11px; border: 1px solid var(--line); border-radius: 6px; background: #fff; font: inherit; cursor: pointer; color: var(--text); }
.time:hover { border-color: var(--accent); }
.time.sel { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.hint { color: var(--muted); font-size: 14px; }
.summary { background: var(--soft); border-radius: 8px; padding: 14px 18px; margin-bottom: 20px; font-size: 15px; }
.summary b { font-weight: 600; }
form { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { font-size: 14px; display: grid; gap: 5px; align-content: start; }
input, textarea { font: inherit; padding: 10px 12px; border: 1px solid #cfcfcf; border-radius: 6px; width: 100%; background: #fff; color: var(--text); }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: #333; }
.check { flex-wrap: wrap; }
.check input { width: 18px; height: 18px; margin-top: 2px; flex: none; }
.check span { flex: 1; }
.check .err { flex-basis: 100%; padding-left: 28px; }
.check a { color: inherit; }
.err { color: var(--err); font-size: 13px; }
.field-err input { border-color: var(--err); }
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 15px; }
.alert.error { background: #fbeaea; color: var(--err); }
.alert.ok { background: #e6f1e8; color: var(--ok); }
.alert.note { background: var(--soft); border-left: 3px solid var(--accent); color: var(--text); }
.actions { display: flex; justify-content: space-between; align-items: center; margin-top: 22px; gap: 12px; }
.btn { display: inline-block; background: var(--accent); color: var(--accent-text); border: 0; padding: 12px 22px; border-radius: 6px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn[disabled] { opacity: .35; cursor: default; }
.btn.sec { background: #fff; color: var(--text); border: 1px solid #cfcfcf; }
.btn.danger { background: #fff; color: var(--err); border: 1px solid #e2b4b4; }
.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; text-decoration: underline; padding: 0; }
.done { text-align: center; padding: 16px 0; }
.tick { width: 56px; height: 56px; border-radius: 50%; background: var(--ok); color: #fff; display: inline-grid; place-items: center; font-size: 28px; margin-bottom: 12px; }
.hidden { display: none !important; }
.hp { position: absolute; left: -5000px; width: 1px; height: 1px; overflow: hidden; }
.foot { text-align: center; font-size: 12px; color: var(--muted); margin: 14px 0; }
.foot a { color: inherit; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid #ccc; border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
dl.details { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
dl.details dt { color: var(--muted); }
dl.details dd { margin: 0; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 18px 20px; margin-bottom: 20px; }
@media (max-width: 720px) {
  .grid2 { grid-template-columns: 1fr; gap: 20px; }
  .body, .head { padding: 20px 16px; }
  .wrap { margin: 12px auto; }
}
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } .times { grid-template-columns: 1fr 1fr 1fr; } }