:root{
  --accent:#f5a623; --accent-d:#d8890f; --ink:#1c1c1c; --muted:#7a7a7a;
  --line:#ececec; --bg:#fafafa; --card:#fff; --ok:#0a8f5b; --err:#c0392b; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent-d)}
button{font:inherit;cursor:pointer}
.muted{color:var(--muted)}
.center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}

/* ---- Buchungs-Layout ---- */
.bk-wrap{max-width:920px;margin:32px auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:0 6px 30px rgba(0,0,0,.05);display:grid;grid-template-columns:320px 1fr;overflow:hidden}
.bk-side{padding:28px;border-right:1px solid var(--line);background:linear-gradient(180deg,#fff, #fffdf8)}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.2px;margin-bottom:22px}
.brand .dot{width:14px;height:14px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,166,35,.18)}
.bk-side h1{font-size:21px;margin:0 0 14px;line-height:1.25}
.chip{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 12px;font-size:13px;color:#444;margin:0 6px 8px 0}
.bk-side .desc{margin-top:14px;color:#555;font-size:14px;line-height:1.55;white-space:pre-line}
.bk-main{padding:26px 28px;min-height:430px}
.bk-main h2{margin:0 0 14px;font-size:16px}

/* Kalender */
.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.cal-head h3{margin:0;font-size:15px;text-transform:capitalize}
.cal-nav{display:flex;gap:6px}
.cal-nav button{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:8px;color:#444}
.cal-nav button:disabled{opacity:.35;cursor:default}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-grid .wd{text-align:center;font-size:11px;color:var(--muted);padding:4px 0;text-transform:uppercase;letter-spacing:.5px}
.day{aspect-ratio:1/1;border:1px solid transparent;border-radius:10px;background:#f4f4f4;color:#bbb;font-weight:600}
.day.has{background:rgba(245,166,35,.12);color:var(--accent-d);border-color:rgba(245,166,35,.35)}
.day.has:hover{background:rgba(245,166,35,.22)}
.day.sel{background:var(--accent);color:#fff;border-color:var(--accent)}
.day.empty{visibility:hidden}

/* Slots */
.slots{margin-top:18px;display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:9px;max-height:230px;overflow:auto}
.slot{padding:11px 0;border:1.5px solid var(--accent);color:var(--accent-d);background:#fff;border-radius:9px;text-align:center;font-weight:600}
.slot:hover{background:var(--accent);color:#fff}
.slots-empty{color:var(--muted);padding:30px 0;text-align:center}

/* Formular */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:#444;margin-bottom:5px;font-weight:600}
.field input,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}
.field textarea{min-height:76px;resize:vertical}
.row-actions{display:flex;gap:10px;align-items:center;margin-top:18px}
.btn{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:12px 20px;font-weight:700}
.btn:hover{background:var(--accent-d)}
.btn.ghost{background:#fff;color:#444;border:1px solid var(--line)}
.btn[disabled]{opacity:.6;cursor:default}
.summary{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:16px;font-size:14px}
.summary b{color:var(--accent-d)}

/* Karten (Startseite) */
.cards{max-width:680px;margin:48px auto;padding:0 18px}
.cards .brand{font-size:20px;margin-bottom:26px}
.card{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 22px;margin-bottom:14px;transition:.15s;box-shadow:0 2px 10px rgba(0,0,0,.03)}
.card:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,0,0,.07)}
.card h3{margin:0 0 6px;font-size:17px}
.card .meta{color:var(--muted);font-size:13px}

/* Status / Verwaltung */
.box{max-width:520px;width:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px;box-shadow:0 6px 30px rgba(0,0,0,.05)}
.box h1{margin:0 0 6px;font-size:22px}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.ok{background:rgba(10,143,91,.12);color:var(--ok)}
.badge.cx{background:rgba(192,57,43,.12);color:var(--err)}
.kv{margin:18px 0;border-top:1px solid var(--line)}
.kv div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.kv span:first-child{color:var(--muted)}
.notice{padding:10px 14px;border-radius:9px;font-size:14px;margin-bottom:14px}
.notice.ok{background:rgba(10,143,91,.1);color:var(--ok)}
.notice.err{background:rgba(192,57,43,.1);color:var(--err)}

/* Admin */
.adm{max-width:1000px;margin:24px auto;padding:0 18px}
.adm header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.adm h1{font-size:20px;margin:0}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:18px}
.panel h2{font-size:15px;margin:0 0 12px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
code.embed{display:block;background:#f6f6f6;border:1px solid var(--line);border-radius:8px;padding:10px 12px;
  font-size:12px;white-space:pre-wrap;word-break:break-all;margin-top:6px}
.small{font-size:13px}
.tag{font-size:11px;padding:2px 8px;border-radius:999px;background:#eee;color:#555}
.tag.green{background:rgba(10,143,91,.14);color:var(--ok)}

@media(max-width:720px){
  .bk-wrap{grid-template-columns:1fr;margin:0}
  .bk-side{border-right:0;border-bottom:1px solid var(--line)}
}