:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #273449;--text: #e2e8f0;--muted: #94a3b8;--accent: #38bdf8;--accent-strong: #0ea5e9;--border: #334155;--danger: #f87171;--success: #4ade80;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app-header{padding:24px 32px;border-bottom:1px solid var(--border);display:flex;align-items:baseline;gap:16px}.app-header h1{margin:0;font-size:22px}.app-header nav{margin-left:auto;display:flex;gap:8px}.app-header nav button{background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 16px;border-radius:8px;cursor:pointer}.app-header nav button.active{background:var(--accent-strong);border-color:var(--accent-strong);color:#001018;font-weight:600}main{max-width:1000px;margin:0 auto;padding:24px 32px 64px}.search-bar{width:100%;padding:12px 16px;font-size:15px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);margin-bottom:24px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}.card img{width:100%;height:170px;object-fit:cover;background:var(--surface-2)}.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}.card-body h3{margin:0;font-size:17px}.location{color:var(--muted);font-size:13px}.desc{color:var(--muted);font-size:13px;line-height:1.4;flex:1}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.price{font-weight:700;font-size:16px}.price span{font-weight:400;font-size:12px;color:var(--muted)}.rating{color:#fbbf24;font-size:14px}button.primary{background:var(--accent-strong);border:none;color:#001018;padding:10px 18px;border-radius:8px;font-weight:600;cursor:pointer}button.primary:hover{background:var(--accent)}button.primary:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;border:1px solid var(--border);color:var(--text);padding:10px 18px;border-radius:8px;cursor:pointer}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;width:100%;max-width:460px}.modal h2{margin-top:0}.field{margin-bottom:14px;display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;color:var(--muted)}.field input{padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:14px}.row{display:flex;gap:12px}.row .field{flex:1}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.error{color:var(--danger);font-size:13px;margin:0 0 12px}.success{color:var(--success)}.empty,.loading{color:var(--muted);padding:40px 0;text-align:center}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600}