:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #0dcaf0;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
}

/* Header */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    margin-bottom: 40px;
}

.hero-section h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 1.3rem;
    opacity: 0.9;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 30px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--dark-color);
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 40px;
}

/* Tabelas */
.table-responsive {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table thead {
    background-color: var(--primary-color);
    color: white;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Badges */
.badge-especialidade {
    font-size: 0.85rem;
    padding: 5px 10px;
    font-weight: 500;
}

/* Filtros */
.filter-section {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

/* Buttons */
.btn-custom {
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-custom:hover {
    transform: scale(1.05);
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 40px 0;
    margin-top: 60px;
}

footer a {
    color: white;
    text-decoration: none;
}

footer a:hover {
    color: var(--info-color);
}

/* Responsivo */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1rem;
    }
}

/* Admin específico */
.admin-sidebar {
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.admin-sidebar .nav-link {
    color: white;
    padding: 12px 20px;
    margin-bottom: 5px;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.admin-sidebar .nav-link:hover,
.admin-sidebar .nav-link.active {
    background-color: rgba(255,255,255,0.2);
}

.admin-content {
    padding: 30px;
}

.stats-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.stats-card .stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stats-card .stats-label {
    color: var(--secondary-color);
    font-size: 1rem;
}