:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222632;
    --bg-hover: #2a2e3d;
    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --accent: #4a9eff;
    --accent-hover: #6bb3ff;
    --success: #34a853;
    --warning: #fbbc04;
    --danger: #ea4335;
    --border: #333845;
    --radius: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.hidden { display: none !important; }

/* ── Header ────────────────────────────────────────── */
header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 6px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

header h1 {
    font-size: 0.95rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

header h1 .material-icons { color: var(--accent); font-size: 18px; }
header p { color: var(--text-secondary); font-size: 0.7rem; margin-top: 0; }
.header-content { display: flex; align-items: center; gap: 10px; }

/* Tabs */
.tabs { display: flex; gap: 4px; }
.tab {
    display: flex; align-items: center; gap: 4px;
    padding: 4px 12px; border: none; border-radius: 6px;
    background: transparent; color: var(--text-secondary);
    cursor: pointer; font-size: 0.78rem; font-family: 'Inter', sans-serif;
    transition: all 0.2s;
}
.tab .material-icons { font-size: 16px; }
.tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.tab.active { color: #fff; background: var(--accent); }

.stats { display: flex; gap: 8px; }

.stat-item {
    text-align: center;
    padding: 3px 10px;
    background: var(--bg-card);
    border-radius: var(--radius);
    min-width: 45px;
}

.stat-item .stat-number { font-size: 0.95rem; font-weight: 700; }
.stat-item .stat-label { font-size: 0.55rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-activas .stat-number { color: var(--success); }
.stat-inactivas .stat-number { color: var(--text-secondary); }
.stat-falla .stat-number { color: var(--danger); }

/* ── Main ──────────────────────────────────────────── */
main { padding: 10px 16px; max-width: 1400px; margin: 0 auto; }

/* ── NVR Grid (vista principal) ────────────────────── */
.nvr-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.nvr-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}

.nvr-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.nvr-card.nvr-ok { border-left: 4px solid var(--success); }
.nvr-card.nvr-warning { border-left: 4px solid var(--warning); }
.nvr-card.nvr-down { border-left: 4px solid var(--danger); }

.nvr-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.nvr-card-icon {
    width: 44px;
    height: 44px;
    background: var(--bg-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nvr-card-icon .material-icons { color: var(--accent); font-size: 24px; }

.nvr-card-title h2 { font-size: 1.15rem; font-weight: 700; }
.nvr-card-ip { font-family: monospace; font-size: 0.82rem; color: var(--text-secondary); }

.nvr-status-icon { margin-left: auto; font-size: 22px; }
.nvr-ok .nvr-status-icon { color: var(--success); }
.nvr-warning .nvr-status-icon { color: var(--warning); }
.nvr-down .nvr-status-icon { color: var(--danger); }

.nvr-card-stats {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
}

.nvr-stat {
    flex: 1;
    text-align: center;
    padding: 8px 4px;
    background: var(--bg-primary);
    border-radius: var(--radius);
}

.nvr-stat-number { display: block; font-size: 1.2rem; font-weight: 700; }
.nvr-stat-label { font-size: 0.65rem; color: var(--text-secondary); text-transform: uppercase; }
.nvr-stat-active .nvr-stat-number { color: var(--success); }
.nvr-stat-inactive .nvr-stat-number { color: var(--text-secondary); }
.nvr-stat-fault .nvr-stat-number { color: var(--danger); }

.nvr-card-bar {
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 6px;
}

.nvr-bar-fill {
    height: 100%;
    background: var(--success);
    border-radius: 3px;
    transition: width 0.3s;
}

.nvr-card-pct { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 12px; }

.nvr-card-locations { display: flex; flex-wrap: wrap; gap: 4px; }

.location-tag {
    padding: 2px 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

/* ── Vista Detalle ─────────────────────────────────── */
.detalle-header {
    margin-bottom: 8px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    background: none;
    border: none;
    color: var(--accent);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 2px 0;
    margin-bottom: 6px;
    font-family: 'Inter', sans-serif;
}

.btn-back .material-icons { font-size: 16px; }
.btn-back:hover { color: var(--accent-hover); }

.detalle-nvr-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border-left: 3px solid var(--accent);
    margin-bottom: 8px;
}

.detalle-nvr-info .material-icons { color: var(--accent); font-size: 20px; }
.detalle-nvr-info h2 { font-size: 0.95rem; }
.detalle-ip { font-family: monospace; color: var(--text-secondary); font-size: 0.78rem; }

.detalle-counts {
    margin-left: auto;
    display: flex;
    gap: 10px;
    font-size: 0.75rem;
}

.count-active { color: var(--success); }
.count-inactive { color: var(--text-secondary); }
.count-fault { color: var(--danger); }
.count-total { color: var(--text-primary); font-weight: 600; }

.detalle-actions { display: flex; justify-content: space-between; align-items: center; }

/* ── Filters ───────────────────────────────────────── */
.filters { display: flex; gap: 6px; flex-wrap: wrap; }

.btn-filter {
    padding: 3px 10px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.72rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s;
}

.btn-filter:hover { border-color: var(--accent); color: var(--text-primary); }
.btn-filter.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Ubicacion sections ────────────────────────────── */
.ubicacion-section { margin-bottom: 10px; }

.ubicacion-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--border);
}

.ubicacion-header .material-icons { color: var(--accent); font-size: 14px; }
.ubicacion-header h3 { font-size: 0.8rem; font-weight: 600; }
.ubicacion-count { font-size: 0.7rem; color: var(--text-secondary); margin-left: auto; }

/* ── Camera Grid ───────────────────────────────────── */
.camaras-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 6px;
}

.camara-card {
    background: var(--bg-card);
    border-radius: 6px;
    padding: 6px 8px;
    border: 1px solid var(--border);
    transition: all 0.2s;
    cursor: pointer;
}

.camara-card:hover { border-color: var(--accent); }
.camara-card.estado-activa { border-left: 3px solid var(--success); }
.camara-card.estado-inactiva { border-left: 3px solid var(--text-secondary); }
.camara-card.estado-falla { border-left: 3px solid var(--danger); }

.camara-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.camara-numero { font-weight: 600; font-size: 0.78rem; }
.camara-canal { font-size: 0.65rem; color: var(--text-secondary); font-family: monospace; }
.camara-ip { font-size: 0.65rem; color: var(--text-secondary); font-family: monospace; }
.camara-notas { display: none; }
.camara-desc { font-size: 0.6rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ptz-icon { font-size: 12px !important; color: var(--warning); }
.camara-card.estado-no_existe { border-left: 3px solid #555; opacity: 0.5; }
.badge-no_existe { background: rgba(85,85,85,0.15); color: #777; }
.badge-activo { background: rgba(52, 168, 83, 0.15); color: var(--success); }
.badge-inactivo { background: rgba(154, 160, 166, 0.15); color: var(--text-secondary); }

/* ── Badges ────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 10px;
    font-size: 0.55rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-activa { background: rgba(52, 168, 83, 0.15); color: var(--success); }
.badge-inactiva { background: rgba(154, 160, 166, 0.15); color: var(--text-secondary); }
.badge-falla { background: rgba(234, 67, 53, 0.15); color: var(--danger); }

/* ── Buttons ───────────────────────────────────────── */
.btn-primary {
    padding: 8px 16px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: background 0.2s;
}

.btn-primary:hover { background: var(--accent-hover); }
.btn-primary .material-icons { font-size: 18px; }
.btn-primary.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

.btn-secondary {
    padding: 8px 16px;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s;
}

.btn-secondary:hover { border-color: var(--text-secondary); color: var(--text-primary); }

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
}

.btn-icon:hover { color: var(--text-primary); background: var(--bg-hover); }

/* ── Modal ─────────────────────────────────────────── */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 24px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h2 { font-size: 1.05rem; }

/* ── Forms ─────────────────────────────────────────── */
.form-group { margin-bottom: 12px; }

.form-group label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.88rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

/* ── Incidencias ───────────────────────────────────── */
.incidencia-item {
    padding: 10px 12px;
    background: var(--bg-card);
    border-radius: var(--radius);
    margin-bottom: 8px;
    border-left: 3px solid var(--warning);
}

.incidencia-item.resuelta { border-left-color: var(--success); opacity: 0.7; }
.incidencia-item .incidencia-desc { font-size: 0.85rem; margin-bottom: 4px; }

.incidencia-item .incidencia-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ── Empty state ───────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

.empty-state .material-icons { font-size: 48px; margin-bottom: 12px; opacity: 0.5; }

/* ── Network Devices ───────────────────────────────── */
.network-section { margin-bottom: 14px; }

.network-type-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

.network-type-header .material-icons { color: var(--accent); font-size: 16px; }
.network-type-header h3 { font-size: 0.85rem; font-weight: 600; }
.network-count { font-size: 0.7rem; color: var(--text-secondary); margin-left: auto; }

.network-devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 6px;
}

.device-card {
    background: var(--bg-card);
    border-radius: 6px;
    padding: 8px 10px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s;
}

.device-card:hover { border-color: var(--accent); }
.device-card.estado-activo { border-left: 3px solid var(--success); }
.device-card.estado-inactivo { border-left: 3px solid var(--text-secondary); }
.device-card.estado-falla { border-left: 3px solid var(--danger); }

.device-header { display: flex; justify-content: space-between; align-items: center; }
.device-name { font-weight: 600; font-size: 0.8rem; }
.device-ip { font-size: 0.68rem; color: var(--text-secondary); font-family: monospace; }
.device-location { font-size: 0.65rem; color: var(--text-secondary); }

/* ── Checkbox in form ──────────────────────────────── */
.form-group input[type="checkbox"] { width: auto; margin-right: 6px; }

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 768px) {
    header { flex-direction: column; align-items: flex-start; }
    .stats { width: 100%; justify-content: space-between; }
    .nvr-grid { grid-template-columns: 1fr; }
    .camaras-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .form-row { grid-template-columns: 1fr; }
    .detalle-nvr-info { flex-direction: column; align-items: flex-start; }
    .detalle-counts { margin-left: 0; flex-wrap: wrap; }
}