:root{--bg:#0f1216;--card-bg:#181d24;--border:#262d36;--text:#e6e6e6;--muted:#6e7681;--accent:#238636;--danger:#da3633;--online:#3fb950;--offline:#f85149}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.loading{height:100vh;color:var(--muted);justify-content:center;align-items:center;font-size:18px;display:flex}.login-container{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--card-bg);border:1px solid var(--border);text-align:center;border-radius:12px;width:100%;max-width:380px;padding:40px}.login-card h1{margin-bottom:4px;font-size:24px}.login-card .subtitle{color:var(--muted);margin-bottom:28px;font-size:14px}.login-card .info{color:var(--muted);margin-bottom:16px;font-size:13px}.login-card form{flex-direction:column;gap:14px;display:flex}.login-card input{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:8px;outline:none;padding:12px 14px;font-size:14px}.login-card input:focus{border-color:var(--accent)}.login-card button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:12px;font-size:14px;font-weight:600}.login-card button:disabled{opacity:.6;cursor:not-allowed}.login-card .error{color:var(--danger);font-size:13px}.dashboard{max-width:1100px;margin:0 auto;padding:24px}.dashboard header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.dashboard header h1{font-size:20px}.header-right{align-items:center;gap:12px;display:flex}.role-badge{background:var(--border);color:var(--muted);text-transform:uppercase;border-radius:12px;padding:4px 10px;font-size:12px}.btn-sm{background:var(--border);color:var(--text);cursor:pointer;border:none;border-radius:6px;padding:6px 12px;font-size:12px}.grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=768px){.grid{grid-template-columns:1fr}}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:10px;padding:20px}.card h2{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px;font-size:13px}.admin-card{grid-column:1/-1}.status-dot-row{align-items:center;gap:8px;margin-bottom:16px;font-weight:600;display:flex}.dot{border-radius:50%;width:10px;height:10px}.dot.online{background:var(--online)}.dot.offline{background:var(--offline)}.metrics-row{flex-wrap:wrap;gap:20px;margin-bottom:12px;display:flex}.metric{text-align:center}.metric-value{font-size:26px;font-weight:700;display:block}.metric-label{color:var(--muted);text-transform:uppercase;font-size:11px}.muted{color:var(--muted);font-size:12px}table{border-collapse:collapse;width:100%;font-size:13px}th{text-align:left;color:var(--muted);text-transform:uppercase;border-bottom:1px solid var(--border);padding:6px 8px;font-size:11px}td{border-bottom:1px solid var(--border);padding:8px}.btn-row{flex-wrap:wrap;gap:10px;display:flex}.btn-row button{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:10px 16px;font-size:13px;font-weight:500}.btn-row button:disabled{opacity:.5;cursor:not-allowed}.btn-row .btn-danger{background:var(--danger)}.action-msg{color:var(--muted);margin-top:10px;font-size:13px}