:root{--bg: #f6f7f9;--surface: #ffffff;--border: #e5e7eb;--border-strong: #d1d5db;--text: #0f172a;--text-muted: #64748b;--accent: #0f766e;--accent-hover: #115e59;--danger: #b91c1c;--danger-bg: #fef2f2;--success: #166534;--success-bg: #f0fdf4;--warning-bg: #fef3c7;--radius: 8px;--radius-sm: 6px;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);--shadow: 0 2px 4px rgba(15, 23, 42, .08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{min-height:100%;display:flex;flex-direction:column}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:12px 20px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:600;font-size:16px;letter-spacing:-.01em}.topbar nav{display:flex;gap:4px;flex:1;flex-wrap:wrap;align-items:center}.topbar nav a{color:var(--text-muted);padding:6px 10px;border-radius:var(--radius-sm);font-weight:500;font-size:14px;white-space:nowrap}.topbar nav a:hover{background:var(--bg);color:var(--text);text-decoration:none}.topbar nav a.active{background:var(--bg);color:var(--text)}.nav-group{position:relative;display:inline-block}.nav-group-btn{display:inline-flex;align-items:center;gap:4px;color:var(--text-muted);padding:6px 10px;border-radius:var(--radius-sm);font-weight:500;font-size:14px;white-space:nowrap;background:transparent;border:none;font-family:inherit;cursor:pointer;line-height:1.4}.nav-group-btn:hover,.nav-group-btn.active,.nav-group-btn.open{background:var(--bg);color:var(--text)}.nav-caret{font-size:10px;color:var(--text-muted);line-height:1;transition:transform .15s ease}.nav-group-btn.open 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var(--border-strong);background:var(--surface);font-family:inherit;min-width:160px;max-width:220px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}main.page{padding:20px;max-width:1100px;margin:0 auto;width:100%;flex:1}@media (min-width: 720px){main.page{padding:28px}}.page-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}h1{font-size:22px;margin:0;letter-spacing:-.01em}h2{font-size:17px;margin:0 0 12px}.subtle{color:var(--text-muted);font-size:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}.card+.card{margin-top:14px}.stack>*+*{margin-top:14px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-family:inherit;font-size:14px;font-weight:500;cursor:pointer;transition:background .12s,border-color .12s}.btn:hover{background:var(--bg)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-ghost{border-color:transparent;background:transparent;color:var(--text-muted)}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-danger{color:var(--danger);border-color:var(--border-strong)}.btn-danger:hover{background:var(--danger-bg);border-color:var(--danger)}.btn-sm{padding:5px 10px;font-size:13px}.form-grid{display:grid;gap:12px}@media (min-width: 640px){.form-grid.two-col{grid-template-columns:1fr 1fr}}label{display:block;font-size:13px;font-weight:500;color:var(--text-muted);margin-bottom:4px}input,textarea,select{width:100%;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);font-family:inherit;font-size:14px;color:var(--text)}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}textarea{min-height:80px;resize:vertical}.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:8px;flex-wrap:wrap}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border)}th{background:#f9fafb;color:var(--text-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}tr:last-child td{border-bottom:none}tr:hover td{background:#fafbfc}.row-actions{display:flex;gap:6px;justify-content:flex-end}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:14px}.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid #bbf7d0}.alert-warning{background:var(--warning-bg);color:#92400e;border:1px solid #fde68a}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.kv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px 24px;margin-top:8px}.kv-grid>div{display:flex;flex-direction:column;gap:2px}.kv-grid .subtle{font-size:11px;text-transform:uppercase;letter-spacing:.04em}.kv-grid 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var(--border)}.mobile-drawer-nav{flex:1;overflow-y:auto;padding:8px 0}.mobile-drawer-link{display:block;padding:12px 16px;font-size:16px;font-weight:500;color:var(--text);text-decoration:none;border-bottom:1px solid var(--border)}.mobile-drawer-link.active{background:var(--bg);color:var(--text);border-left:3px solid var(--text);padding-left:13px}.mobile-drawer-group{border-bottom:1px solid var(--border)}.mobile-drawer-group summary{padding:12px 16px;font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;cursor:pointer;list-style:none}.mobile-drawer-group summary::-webkit-details-marker{display:none}.mobile-drawer-group[open] summary:after{content:"−"}.mobile-drawer-group:not([open]) summary:after{content:"+"}.mobile-drawer-group summary:after{float:right;font-size:18px;line-height:1}.mobile-drawer-sublink{display:block;padding:11px 16px 11px 28px;font-size:15px;color:var(--text);text-decoration:none}.mobile-drawer-sublink.active{background:var(--bg);border-left:3px solid var(--text);padding-left:25px}.mobile-drawer-foot{padding:14px 16px;border-top:1px solid var(--border)}@media (max-width: 720px){.property-switcher select{min-width:120px;max-width:180px;font-size:13px}.topbar{gap:10px;padding:10px 14px}}.owner-log{max-width:600px;margin:0 auto}.owner-log textarea,.owner-log input[type=text],.owner-log input[type=number]{font-size:16px}.owner-log .btn{min-height:44px}@media (max-width: 720px){main.page:has(.owner-log){padding:12px}.owner-log .card{padding:12px}}.empty{text-align:center;padding:40px 20px;color:var(--text-muted)}.login-shell{min-height:100%;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{width:100%;max-width:360px}.login-card h1{font-size:20px;text-align:center;margin-bottom:4px}.login-card .subtle{text-align:center;margin-bottom:20px;display:block}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a66;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow-y:auto}.modal{background:var(--surface);border-radius:var(--radius);padding:22px;width:100%;max-width:480px;box-shadow:var(--shadow)}.modal h2{margin-bottom:16px}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center;gap:12px}.gap-8{gap:8px}.muted{color:var(--text-muted)}.text-right{text-align:right}.nowrap{white-space:nowrap}.w-full{width:100%}.hidden-mobile{display:none}@media (min-width: 720px){.hidden-mobile{display:revert}}