:root {
    --anac-primary: #0d4f8b;
    --anac-primary-dark: #093866;
    --anac-accent: #f59e0b;
    --sidebar-width: 240px;
}

body { background: #f5f7fa; }

.navbar-brand-anac { font-weight: 700; color: #fff !important; }

.app-layout {
    display: flex;
    min-height: calc(100vh - 56px);
}

.app-sidebar {
    width: var(--sidebar-width);
    background: #fff;
    border-right: 1px solid #e5e7eb;
    padding: 1.5rem 0;
    flex-shrink: 0;
}

.app-sidebar .nav-link {
    color: #475569;
    padding: 0.5rem 1.25rem;
    border-left: 3px solid transparent;
    border-radius: 0;
}

.app-sidebar .nav-link:hover { background: #f1f5f9; }
.app-sidebar .nav-link.active {
    color: var(--anac-primary);
    background: #eff6ff;
    border-left-color: var(--anac-primary);
    font-weight: 600;
}

.app-sidebar .sidebar-section {
    font-size: 0.7rem;
    font-weight: 700;
    color: #94a3b8;
    text-transform: uppercase;
    padding: 1rem 1.25rem 0.4rem;
    letter-spacing: 0.05em;
}

.app-content { flex-grow: 1; padding: 1.75rem 2rem; }

.bg-anac { background-color: var(--anac-primary) !important; }

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: #1e293b;
}

.card-stat { border: 0; border-left: 4px solid var(--anac-primary); }

.severity-MAJEUR       { background:#dc2626; color:#fff; }
.severity-SIGNIFICATIF { background:#f97316; color:#fff; }
.severity-MINEUR       { background:#facc15; color:#000; }
.severity-OBSERVATION  { background:#9ca3af; color:#fff; }

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--anac-primary), var(--anac-primary-dark));
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.18);
    padding: 2.25rem;
}