:root{color-scheme:light dark;--bg: #f7f7fb;--surface: #ffffff;--border: #e2e2ea;--text: #1a1a24;--muted: #6b6b78;--primary: #3454d1;--primary-contrast: #ffffff;--danger: #c0392b;--ok: #1e8e5a;--danger-bg: #fdecea;--ok-bg: #e8f6ef;--radius: 8px}@media (prefers-color-scheme: dark){:root{--bg: #14141c;--surface: #1d1d28;--border: #33333f;--text: #eceef3;--muted: #9a9aab;--danger-bg: #3a201d;--ok-bg: #16302a}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}h1{font-size:1.5rem;margin:0 0 8px}h2{font-size:1.1rem;margin:24px 0 8px}h3{font-size:1rem;margin:0 0 8px}a{color:var(--primary)}.muted{color:var(--muted)}.text-danger{color:var(--danger);font-weight:600}.text-muted{color:var(--muted)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.top-bar{display:flex;align-items:center;gap:24px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border)}.top-bar nav{display:flex;gap:16px;flex:1}.top-bar nav a{color:var(--text);text-decoration:none;font-size:.9rem}.top-bar nav a:hover{color:var(--primary)}.brand{font-weight:700;text-decoration:none;color:var(--text)}.top-bar-right{display:flex;align-items:center;gap:12px}.page-content{padding:24px 20px;max-width:1100px;width:100%;margin:0 auto}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.lease-summary>div{margin-bottom:4px}.centered-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{width:320px;display:flex;flex-direction:column;gap:12px}label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--muted)}label.grow{flex:1}label.full{align-self:stretch}input,select,textarea{font-family:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font-size:.95rem}textarea{width:100%;box-sizing:border-box;resize:vertical}.form-row{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin-bottom:8px}.inline-form{display:flex;flex-direction:column;align-items:flex-start;gap:8px}button,.button{background:var(--primary);color:var(--primary-contrast);border:none;border-radius:6px;padding:9px 16px;font-size:.9rem;cursor:pointer;text-decoration:none;display:inline-block}button:disabled{opacity:.6;cursor:not-allowed}.link-button{background:none;color:var(--primary);padding:0;font-size:.85rem}.table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:.9rem}.table th{color:var(--muted);font-weight:600;background:var(--bg)}.table tr:last-child td{border-bottom:none}.plain-list{list-style:none;padding:0;margin:8px 0 0}.plain-list li{padding:6px 0;border-bottom:1px solid var(--border)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;background:var(--bg);border:1px solid var(--border)}.activity-split{display:flex;gap:16px;align-items:flex-start}.activity-days{display:flex;flex-direction:column;gap:4px;min-width:210px;max-height:70vh;overflow-y:auto}.day-button{display:flex;justify-content:space-between;gap:8px;background:var(--surface);color:var(--text);border:1px solid var(--border);text-align:left}.day-button.active{border-color:var(--primary, #3355dd);font-weight:700}.activity-day-detail{flex:1}.badge-old-dues{background:#fff4d6;color:#8a5a00;border-color:#e8c66a;font-weight:700}tr.row-old-dues td{background:#fffaf0}.badge-danger{background:var(--danger-bg);color:var(--danger);border-color:transparent}.badge-ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}.alert{padding:8px 12px;border-radius:6px;font-size:.85rem}.alert-success{background:#e7f6ec;color:#1e6b3a;border:1px solid #b6e2c4}.nav-count{display:inline-block;min-width:18px;padding:0 5px;margin-left:4px;border-radius:9px;background:#c62828;color:#fff;font-size:11px;line-height:18px;text-align:center}.alert-error{background:var(--danger-bg);color:var(--danger)}.button-danger{background:var(--danger)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100}.modal{width:360px;max-width:calc(100vw - 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