:root{--bg: #f4f5f7;--card: #ffffff;--text: #1c2430;--muted: #6b7684;--border: #dde1e7;--brand: #1f6feb;--brand-dark: #1a5fd0;--danger: #c0392b;--ok: #1e874b;--radius: 12px;--shadow: 0 2px 10px rgba(20, 30, 45, .06)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.5;-webkit-text-size-adjust:100%}#app{min-height:100vh}.container{width:100%;max-width:640px;margin:0 auto;padding:20px 16px 48px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:640px;margin:0 auto;padding:14px 16px}.brand{font-weight:700;font-size:1.05rem}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:16px}h1{font-size:1.4rem;margin:0 0 4px}h2{font-size:1.15rem;margin:0 0 12px}.sub{color:var(--muted);margin:0 0 20px}label{display:block;font-size:.9rem;font-weight:600;margin:14px 0 6px}input[type=text],input[type=email],input[type=tel],input[type=password],select,textarea{width:100%;padding:12px 14px;font-size:1rem;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:10px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--brand)}input:disabled,input[readonly]{background:#f0f2f5;color:var(--muted)}textarea{min-height:84px;resize:vertical}.row{display:flex;gap:12px}.row>*{flex:1}.check{display:flex;align-items:center;gap:10px;margin:14px 0 0;font-weight:500}.check input{width:auto}button{font-size:1rem;font-weight:600;padding:12px 18px;border-radius:10px;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--brand);color:#fff;width:100%}.btn-primary:hover{background:var(--brand-dark)}.btn-primary:disabled{opacity:.6;cursor:default}.btn-ghost{background:#fff;border-color:var(--border);color:var(--text)}.btn-danger{background:#fff;border-color:#e6b8b2;color:var(--danger)}.btn-sm{padding:8px 12px;font-size:.9rem}.btn-link{background:none;border:none;color:var(--brand);padding:0;width:auto}.actions{display:flex;gap:8px}.msg{padding:12px 14px;border-radius:10px;margin:14px 0;font-size:.95rem}.msg-error{background:#fdecea;color:var(--danger)}.msg-ok{background:#e7f6ee;color:var(--ok)}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.center-screen .card{width:100%;max-width:440px;margin:0}.unit-title{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.badges{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.badge{font-size:.78rem;padding:3px 9px;border-radius:999px;background:#eef1f5;color:var(--muted)}.badge.on{background:#e7f0ff;color:var(--brand-dark)}.badge.rented{background:#e7f6ee;color:var(--ok)}.kv{font-size:.9rem;color:var(--muted);margin:2px 0}.muted{color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:24px 0}.hint{font-size:.82rem;color:var(--muted);margin-top:6px}@media(max-width:480px){.row{flex-direction:column;gap:0}}