:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.sidebar {
    background: var(--primary-color);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar .nav-link {
    color: #ecf0f1;
    padding: 12px 20px;
    border-radius: 0;
    transition: all 0.3s;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: var(--secondary-color);
    color: white;
}

.main-content {
    margin-left: 280px;
    padding: 20px;
}

.doc-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 40px 0;
    margin-bottom: 30px;
}

.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-header {
    background: var(--secondary-color);
    color: white;
    font-weight: 600;
}

.badge-role {
    font-size: 0.8em;
    padding: 5px 10px;
}

.code-block {
    background: #f8f9fa;
    border-left: 4px solid var(--secondary-color);
    padding: 15px;
    margin: 15px 0;
}

.alert-custom {
    border-left: 4px solid;
    padding: 15px;
    margin: 15px 0;
}

.alert-info { border-left-color: var(--secondary-color); }
.alert-warning { border-left-color: var(--warning-color); }
.alert-success { border-left-color: var(--success-color); }
.alert-danger { border-left-color: var(--accent-color); }

/* Secciones de contenido */
.doc-section {
    display: block;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

/* Cards clickeables en la página de inicio */
a.nav-link .card {
    transition: all 0.3s ease;
}

a.nav-link .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

a.nav-link .card.border-primary:hover {
    border-color: #0056b3 !important;
    background-color: #f0f8ff;
}

a.nav-link .card.border-secondary:hover {
    border-color: #495057 !important;
    background-color: #f8f9fa;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }
}