:root {
    --primary-color: #3b82f6;
    --success-color: #16a34a;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --bg-page: #f5f7fb;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-page);
    min-height: 100vh;
}

.section-title {
    color: var(--text-primary);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
}

.card-title {
    font-weight: 700;
    color: var(--text-primary);
}

.card-subtitle, .text-muted {
    color: var(--text-secondary) !important;
}

.card-header {
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

.table {
    color: var(--text-primary);
    --bs-table-bg: transparent;
    --bs-table-hover-bg: #f8fafc;
}

.table thead th {
    background-color: #f1f5f9;
    color: #334155;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
}

.table td, .table th {
    border-color: var(--border-color);
}

#kpiChart {
    width: 100%;
    height: 360px;
}

.list-group-item {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.module-carousel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.module-slide {
    display: none;
}

.module-slide.active {
    display: block;
}

.module-controls {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 12px 16px;
}

.module-indicator {
    font-weight: 600;
    color: var(--text-secondary);
}

.timeline {
    position: relative;
    padding-left: 3rem;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -2.35rem;
    top: 0.25rem;
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    background: #ffffff;
    z-index: 1;
}

.timeline-content {
    background: var(--card-bg);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }

.badge {
    font-weight: 600;
    border-radius: 6px;
    padding: 0.35em 0.6em;
}

.badge.bg-danger { color: #ef4444; background-color: rgba(239, 68, 68, 0.12) !important; }
.badge.bg-warning { color: #d97706; background-color: rgba(245, 158, 11, 0.12) !important; }
.badge.bg-success { color: #16a34a; background-color: rgba(22, 163, 74, 0.12) !important; }
.badge.bg-secondary { color: #475569; background-color: rgba(148, 163, 184, 0.2) !important; }

.navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #1d4ed8;
}

.navbar-text {
    color: var(--text-secondary);
}

.footer {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #eef2f7;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}