:root{--kl-dark:#00368e;--kl-light:#37adf8;--bg:#f5f8fc;--card:#fff;--text:#17202e;--muted:#5d6b82;--line:#d9e2ef;--frei:#2e9d5b;--reserviert:#e8890c;--vermietet:#00368e;--gesperrt:#7b8594;--danger:#c0392b}*{box-sizing:border-box}body{margin:0;font:16px/1.45 system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--kl-dark)}main{max-width:1200px;margin:0 auto;padding:16px}h1{font-size:1.5rem;margin:0 0 12px}h2{font-size:1.1rem;margin:0 0 8px}.muted{color:var(--muted)}.small{font-size:.85rem}.err-text{color:var(--danger);font-weight:600}.top{gap:16px;flex-wrap:wrap;padding:10px 16px;background:#fff;border-bottom:3px solid var(--kl-light)}.brand,.top{display:flex;align-items:center}.brand{gap:10px;font-weight:700;color:var(--kl-dark);text-decoration:none}.top nav{display:flex;gap:14px}.top nav a{text-decoration:none;padding:6px 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