:root{--bg: #f4f5f7;--panel: #ffffff;--border: #e3e6ea;--text: #1f2329;--muted: #8a94a6;--accent: #4f46e5;--green: #16a34a;--red: #dc2626;--amber: #d97706}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.center{min-height:100vh;display:grid;place-items:center}.muted{color:var(--muted)}.app{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:#1c2230;color:#c7cdd9;display:flex;flex-direction:column;padding:16px 12px}.sidebar .brand{color:#fff;font-weight:700;padding:8px 10px 16px;font-size:16px}.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}.sidebar nav a{padding:9px 12px;border-radius:8px;color:#c7cdd9}.sidebar nav a:hover{background:#2a3142;color:#fff}.sidebar nav a.active{background:var(--accent);color:#fff}.sidebar .user{border-top:1px solid #2a3142;padding-top:12px;display:flex;flex-direction:column;gap:8px;font-size:12px}.sidebar .user button{background:#2a3142;color:#fff;border:0;border-radius:8px;padding:8px}.content{padding:24px 28px;overflow:auto}.content h1{margin:0 0 18px;font-size:22px}.grid{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}.grid th,.grid td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border)}.grid th{background:#fafbfc;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.grid tr:last-child td{border-bottom:0}.grid td button{background:#eef0f3;border:0;border-radius:7px;padding:6px 12px}.grid td button:hover{background:#e2e5ea}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;background:#eef0f3;color:var(--muted)}.badge.ACTIVE,.badge.ok,.badge.up{background:#dcfce7;color:var(--green)}.badge.MAINTENANCE{background:#fef3c7;color:var(--amber)}.badge.down,.badge.CAMERA_ERROR,.badge.PRINT_ERROR,.badge.TERMINAL_ERROR,.badge.DISK_ERROR{background:#fee2e2;color:var(--red)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.card h3{margin:0 0 10px;font-size:15px}.card .row{display:flex;justify-content:space-between;padding:3px 0}.card.warn{border-color:#f5c7c7}.section{margin-top:26px}label{display:block;margin-bottom:12px;font-size:13px;color:#45506a}input,select,textarea{display:block;width:100%;margin-top:5px;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}textarea{min-height:64px;resize:vertical}.primary,.toolbar button{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:10px 18px;font-weight:600}.primary:disabled{opacity:.6}.toolbar{display:flex;gap:10px;margin-bottom:16px;align-items:center}.error{color:var(--red);margin:8px 0;font-size:13px}.login{width:320px}.login h2{margin:0 0 16px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f141e73;display:grid;place-items:center;z-index:50}.modal{background:var(--panel);border-radius:14px;width:460px;max-width:92vw;max-height:88vh;overflow:auto}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--border)}.modal-head h3{margin:0}.modal-head button{background:none;border:0;font-size:22px;color:var(--muted)}.modal-body{padding:18px}.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.media-item{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:8px}.media-item img{width:100%;height:110px;object-fit:contain;background:#fafbfc;border-radius:6px}.media-item .name{font-size:11px;color:var(--muted);margin-top:6px;word-break:break-all}.thumb{width:44px;height:44px;object-fit:cover;border-radius:6px;background:#fafbfc}.tabs{display:flex;gap:6px;margin-bottom:14px}.tabs button{background:#eef0f3;border:0;border-radius:8px;padding:7px 16px}.tabs button.active{background:var(--accent);color:#fff}