*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --bg: #0f1117;
    --surface: #1a1d27;
    --surface2: #242836;
    --border: #2e3348;
    --text: #e4e6f0;
    --text-dim: #8b8fa3;
    --primary: #6c5ce7;
    --primary-hover: #7c6ff7;
    --danger: #e74c3c;
    --success: #2ecc71;
    --warning: #f39c12;
    --info: #3498db;
}
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace; background: var(--bg); color: var(--text); min-height: 100vh; }
button { cursor: pointer; font-family: inherit; border: none; border-radius: 6px; padding: 8px 16px; font-size: 13px; font-weight: 600; transition: all .15s; }
input, select, textarea { font-family: inherit; background: var(--surface2); border: 1px solid var(--border); color: var(--text); border-radius: 6px; padding: 8px 12px; font-size: 13px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

#login-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 40px; width: 360px; }
.login-box h1 { font-size: 22px; margin-bottom: 6px; }
.login-box p { color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }
.login-box input { margin-bottom: 16px; }
.login-box button { width: 100%; background: var(--primary); color: #fff; padding: 10px; font-size: 14px; }
.login-box button:hover { background: var(--primary-hover); }
.login-error { color: var(--danger); font-size: 12px; margin-bottom: 12px; display: none; }

#app { display: none; min-height: 100vh; }
#app.active { display: flex; }

.sidebar { width: 220px; background: var(--surface); border-right: 1px solid var(--border); padding: 16px 0; flex-shrink: 0; display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; }
.sidebar-brand { padding: 0 20px 20px; font-size: 16px; font-weight: 700; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.sidebar-brand span { color: var(--primary); }
.nav-item { display: block; padding: 10px 20px; color: var(--text-dim); font-size: 13px; cursor: pointer; border-left: 3px solid transparent; transition: all .15s; }
.nav-item:hover { background: var(--surface2); color: var(--text); }
.nav-item.active { background: var(--surface2); color: var(--text); border-left-color: var(--primary); }
.sidebar-footer { margin-top: auto; padding: 16px 20px; border-top: 1px solid var(--border); }
.sidebar-footer button { width: 100%; background: var(--surface2); color: var(--text-dim); font-size: 12px; padding: 8px; }
.sidebar-footer button:hover { color: var(--danger); }

.main { margin-left: 220px; flex: 1; padding: 24px 32px; min-height: 100vh; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-header h2 { font-size: 20px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 18px 20px; }
.stat-card .label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.stat-card .value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.stat-card .value.online { color: var(--success); }
.stat-card .value.offline { color: var(--text-dim); }
.stat-card .value.warning { color: var(--warning); }
.stat-card .value.danger { color: var(--danger); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; margin-bottom: 20px; }
.card-header { padding: 14px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-header h3 { font-size: 14px; font-weight: 600; }
.card-body { padding: 0; }
.card-body.padded { padding: 20px; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 20px; font-size: 13px; }
th { color: var(--text-dim); font-weight: 500; border-bottom: 1px solid var(--border); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
td { border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface2); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge.online { background: rgba(46,204,113,.15); color: var(--success); }
.badge.offline { background: rgba(139,143,163,.15); color: var(--text-dim); }
.badge.updating { background: rgba(52,152,219,.15); color: var(--info); }
.badge.degraded { background: rgba(243,156,18,.15); color: var(--warning); }
.badge.maintenance { background: rgba(108,92,231,.15); color: var(--primary); }
.badge.draft { background: rgba(139,143,163,.15); color: var(--text-dim); }
.badge.running { background: rgba(52,152,219,.15); color: var(--info); }
.badge.completed { background: rgba(46,204,113,.15); color: var(--success); }
.badge.failed { background: rgba(231,76,60,.15); color: var(--danger); }
.badge.cancelled { background: rgba(231,76,60,.15); color: var(--danger); }
.badge.pending { background: rgba(243,156,18,.15); color: var(--warning); }
.badge.success { background: rgba(46,204,113,.15); color: var(--success); }
.badge.executing { background: rgba(52,152,219,.15); color: var(--info); }
.badge.critical { background: rgba(231,76,60,.15); color: var(--danger); }
.badge.warning { background: rgba(243,156,18,.15); color: var(--warning); }
.badge.info { background: rgba(52,152,219,.15); color: var(--info); }

.btn { display: inline-flex; align-items: center; gap: 6px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .85; }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); background: var(--surface2); }

.actions { display: flex; gap: 6px; }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; width: 480px; max-width: 90vw; max-height: 85vh; overflow-y: auto; }
.modal-header { padding: 18px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 15px; }
.modal-body { padding: 24px; }
.modal-body .form-group { margin-bottom: 16px; }
.modal-body label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 6px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

.toast { position: fixed; bottom: 24px; right: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 12px 20px; font-size: 13px; z-index: 200; animation: slideIn .2s ease; }
.toast.error { border-left: 3px solid var(--danger); }
.toast.success { border-left: 3px solid var(--success); }
@keyframes slideIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.empty-state { text-align: center; padding: 48px 20px; color: var(--text-dim); }
.empty-state p { font-size: 14px; }

.detail-grid { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; font-size: 13px; }
.detail-grid .dl { color: var(--text-dim); }

.progress-bar { height: 6px; background: var(--surface2); border-radius: 3px; overflow: hidden; }
.progress-bar .fill { height: 100%; background: var(--primary); border-radius: 3px; transition: width .3s; }

.checkbox-group { display: flex; flex-direction: column; gap: 8px; max-height: 240px; overflow-y: auto; padding: 8px; background: var(--surface2); border-radius: 6px; border: 1px solid var(--border); }
.checkbox-label { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 4px; cursor: pointer; font-size: 13px; color: var(--text); }
.checkbox-label:hover { background: var(--border); }
.checkbox-label input[type="checkbox"] { width: auto; margin: 0; accent-color: var(--primary); }
.checkbox-label span { flex: 1; }

.log-entry { padding: 8px 20px; font-size: 12px; font-family: 'SF Mono', 'Fira Code', monospace; border-bottom: 1px solid var(--border); }
.log-entry:last-child { border-bottom: none; }
.log-entry .ts { color: var(--text-dim); margin-right: 8px; }
.log-entry .level { font-weight: 600; margin-right: 8px; }
.log-entry .level.error { color: var(--danger); }
.log-entry .level.warn { color: var(--warning); }
.log-entry .level.info { color: var(--info); }

@media (max-width: 768px) {
    .sidebar { width: 60px; }
    .sidebar-brand, .nav-item span, .sidebar-footer span { display: none; }
    .nav-item { padding: 12px 0; text-align: center; }
    .main { margin-left: 60px; padding: 16px; }
    .stats { grid-template-columns: repeat(2, 1fr); }
}