*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb;color:#1f2937}.app{min-height:100vh}.side{position:fixed;left:0;top:0;bottom:0;width:225px;background:#111827;color:#fff;padding:22px 14px}.logo{font-size:22px;font-weight:700;padding:8px 10px 25px}.logo span{font-weight:400;margin-left:5px}.side a{display:block;color:#d1d5db;padding:11px 12px;border-radius:8px;margin:3px 0}.side a:hover{background:#374151;color:#fff}.main{margin-left:225px;padding:0 26px 40px}.main header{height:70px;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px;margin-bottom:18px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat{font-size:30px;font-weight:700;margin-top:8px}.muted{color:#6b7280}.btn{display:inline-block;padding:10px 14px;border:1px solid #d1d5db;border-radius:8px;background:#fff;cursor:pointer;margin:3px}.btn.primary{background:#4f46e5;color:#fff;border-color:#4f46e5}.full{width:100%;text-align:center;margin-top:15px}.form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}input,select,textarea{width:100%;padding:10px;border:1px solid #d1d5db;border-radius:8px;font:inherit}textarea{min-height:75px}.wide{grid-column:1/-1}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px;border-bottom:1px solid #e5e7eb;text-align:left;white-space:nowrap}th{background:#f9fafb}.alert{padding:12px;border-radius:8px;margin-bottom:16px}.good{background:#dcfce7;color:#166534}.bad{background:#fee2e2;color:#991b1b}.badge{padding:4px 8px;border-radius:999px;background:#e5e7eb;font-size:11px}.available{background:#dcfce7;color:#166534}.rented{background:#fee2e2;color:#991b1b}.reserved{background:#fef3c7;color:#92400e}.maintenance{background:#e0e7ff;color:#3730a3}.loginbg{min-height:100vh;display:grid;place-items:center;background:#eef2ff}.login{width:min(420px,92vw);background:#fff;padding:32px;border-radius:16px;box-shadow:0 15px 50px #0002}.login h1{text-align:center}.mark{width:52px;height:52px;background:#4f46e5;color:#fff;border-radius:12px;display:grid;place-items:center;margin:auto;font-weight:800}.login label{margin-top:14px}.small{font-size:13px}@media(max-width:800px){.side{position:static;width:100%}.main{margin-left:0}.stats{grid-template-columns:repeat(2,1fr)}.form{grid-template-columns:1fr}}@media(max-width:500px){.stats{grid-template-columns:1fr}}