:root {
    --bg: #0a0e17; --bg2: #111827; --bg3: #1f2937;
    --text: #f3f4f6; --text2: #9ca3af; --accent: #10b981;
    --accent2: #059669; --danger: #ef4444; --warn: #f59e0b;
    --blue: #3b82f6; --border: #374151; --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; }
.login-container { background: var(--bg2); padding: 40px; border-radius: var(--radius); width: 400px; border: 1px solid var(--border); }
.login-logo { text-align: center; margin-bottom: 30px; }
.login-logo h1 { color: var(--accent); font-size: 28px; }
.login-logo p { color: var(--text2); margin-top: 5px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; color: var(--text2); margin-bottom: 6px; font-size: 14px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 14px; background: var(--bg3); border: 1px solid var(--border); color: var(--text); border-radius: 6px; font-size: 14px; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); }
.btn { padding: 10px 20px; border: none; border-radius: 6px; cursor: pointer; font-size: 14px; font-weight: 600; transition: all 0.2s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-warn { background: var(--warn); color: #000; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg3); }
.btn-small { padding: 6px 12px; font-size: 12px; }
.btn-full { width: 100%; }
.error-msg { color: var(--danger); margin-top: 10px; text-align: center; min-height: 20px; }
.register-link { text-align: center; margin-top: 16px; color: var(--text2); font-size: 14px; }
.register-link a { color: var(--accent); text-decoration: none; }

/* Layout */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: var(--bg2); border-right: 1px solid var(--border); padding: 20px 0; display: flex; flex-direction: column; }
.sidebar-brand { padding: 0 20px 20px; border-bottom: 1px solid var(--border); }
.sidebar-brand h2 { color: var(--accent); font-size: 20px; }
.sidebar-brand small { color: var(--text2); font-size: 12px; }
.sidebar-nav { flex: 1; padding: 10px 0; }
.sidebar-nav a { display: flex; align-items: center; padding: 10px 20px; color: var(--text2); text-decoration: none; font-size: 14px; transition: all 0.2s; gap: 10px; }
.sidebar-nav a:hover, .sidebar-nav a.active { color: var(--text); background: var(--bg3); }
.sidebar-nav a.active { border-left: 3px solid var(--accent); }
.sidebar-footer { padding: 15px 20px; border-top: 1px solid var(--border); }
.sidebar-footer .user-info { font-size: 13px; color: var(--text2); margin-bottom: 8px; }
.main { flex: 1; overflow-y: auto; }
.topbar { padding: 16px 24px; background: var(--bg2); border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.topbar h1 { font-size: 20px; }
.content { padding: 24px; }

/* Cards */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.stat-card .label { color: var(--text2); font-size: 13px; margin-bottom: 4px; }
.stat-card .value { font-size: 28px; font-weight: 700; }
.stat-card .value.green { color: var(--accent); }
.stat-card .value.red { color: var(--danger); }
.stat-card .value.yellow { color: var(--warn); }
.stat-card .value.blue { color: var(--blue); }

.bay-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.bay-card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.bay-header { padding: 16px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); }
.bay-header h3 { font-size: 16px; }
.bay-status { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; text-transform: uppercase; }
.bay-status.active, .bay-status.idle { background: rgba(16,185,129,0.15); color: var(--accent); }
.bay-status.offline { background: rgba(239,68,68,0.15); color: var(--danger); }
.bay-status.resetting, .bay-status.booting { background: rgba(245,158,11,0.15); color: var(--warn); }
.bay-status.restarting { background: rgba(239,68,68,0.15); color: var(--danger); }
.bay-body { padding: 16px; }
.bay-info { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.bay-info .info-item { font-size: 13px; }
.bay-info .info-label { color: var(--text2); }
.bay-controls { display: flex; gap: 8px; flex-wrap: wrap; }
.bay-controls .btn { flex: 1; min-width: 80px; text-align: center; }

/* Slider */
.slider-group { display: flex; align-items: center; gap: 10px; margin: 8px 0; }
.slider-group label { font-size: 13px; color: var(--text2); min-width: 70px; }
.slider-group input[type="range"] { flex: 1; accent-color: var(--accent); }
.slider-group .slider-val { font-size: 13px; min-width: 35px; text-align: right; }

/* Table */
.table-container { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 12px 16px; color: var(--text2); font-size: 13px; border-bottom: 1px solid var(--border); background: var(--bg3); }
td { padding: 10px 16px; font-size: 14px; border-bottom: 1px solid var(--border); }
tr:hover { background: rgba(255,255,255,0.02); }

/* Toast */
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; }
.toast { background: var(--bg3); color: var(--text); padding: 12px 20px; border-radius: 8px; margin-top: 8px; border-left: 4px solid var(--accent); font-size: 14px; animation: slideIn 0.3s; }
.toast.error { border-left-color: var(--danger); }
@keyframes slideIn { from { transform: translateX(100px); opacity:0; } to { transform: translateX(0); opacity:1; } }

/* Modal */
.modal-overlay { display: none; position: fixed; top:0; left:0; right:0; bottom:0; background: rgba(0,0,0,0.6); z-index: 9998; align-items: center; justify-content: center; }
.modal-overlay.show { display: flex; }
.modal { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; min-width: 400px; max-width: 500px; }
.modal h2 { margin-bottom: 16px; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; justify-content: flex-end; }

/* Section */
.section { margin-bottom: 24px; }
.section-title { font-size: 18px; margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .bay-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}