/* Estilos generales para el repositorio */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
}

.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Mejoras para tablas */
.table th {
    border-top: none;
    font-weight: 600;
    background-color: #f8f9fa;
}

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

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Botones mejorados */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-sm {
    border-radius: 6px;
}

/* Formularios */
.form-control {
    border-radius: 8px;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

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

/* Badges personalizados */
.badge {
    font-weight: 500;
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Responsividad mejorada */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 2rem 0;
    }
}

/* Utilidades */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-custom {
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.15);
}