:root {
    --bg: #FAFAFA;
    --surface: #FFFFFF;
    --border: #E5E7EB;
    --primary: #5B5BD6;
    --success: #16A34A;
    --warning: #D97706;
    --danger: #DC2626;
    --text: #0F0F14;
    --text-muted: #6B7280;
    --radius-card: 12px;
    --radius-input: 8px;
}

[data-bs-theme="dark"] {
    --bg: #0B0B0F;
    --surface: #16161C;
    --border: #26262E;
    --primary: #7C7CF0;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;
    --text: #F5F5F7;
    --text-muted: #9CA3AF;
}

* { font-family: 'Inter', -apple-system, sans-serif; }

body {
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-brand {
    padding: 20px 22px;
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
}

.sidebar-nav { padding: 8px 12px; display: flex; flex-direction: column; gap: 2px; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-input);
    color: var(--text-muted);
    font-weight: 500;
    text-decoration: none;
    font-size: 13.5px;
}

.nav-link:hover { background: var(--bg); color: var(--text); }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-link.disabled { opacity: .4; cursor: default; }

.nav-section-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-muted);
    padding: 14px 12px 4px;
}

.main-col { flex: 1; min-width: 0; }

.topbar {
    height: 60px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.global-search {
    flex: 1;
    max-width: 420px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 7px 14px;
    color: var(--text-muted);
}

.global-search input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    color: var(--text);
    font-size: 13px;
}

.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.btn-icon {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--radius-input);
    width: 34px; height: 34px;
    color: var(--text);
}

.btn-user {
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text);
}

.content { padding: 24px; max-width: 1400px; }

.card, .kpi-card, .summary-card, .panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.kpi-card { padding: 16px 18px; }
.kpi-card .label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.kpi-card .value { font-size: 22px; font-weight: 700; margin-top: 4px; }

.badge-status {
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 600;
}

.health-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.health-green { background: var(--success); }
.health-yellow { background: var(--warning); }
.health-red { background: var(--danger); }

.btn-primary { background: var(--primary); border-color: var(--primary); }

@media (max-width: 992px) {
    .sidebar { position: fixed; left: -240px; z-index: 100; transition: left .2s; }
    .sidebar.open { left: 0; }
}