:root {
    --blanco: #ffffff;
    --negro: #1a1a1a;
    --rojo: #dc3545;
}

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

.bg-danger, .btn-danger {
    background-color: var(--rojo) !important;
}

.text-danger {
    color: var(--rojo) !important;
}

.border-danger {
    border-color: var(--rojo) !important;
}

.card {
    border: none;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header.bg-danger {
    background: linear-gradient(135deg, var(--rojo) 0%, #b02a37 100%);
}

.btn-outline-danger:hover {
    background-color: var(--rojo);
    border-color: var(--rojo);
}

/* Estilos para formularios */
.form-section {
    background: var(--blanco);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-left: 4px solid var(--rojo);
}

.form-section h4 {
    color: var(--rojo);
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.required:after {
    content: " *";
    color: var(--rojo);
    font-weight: bold;
}

.btn-enviar {
    background-color: var(--rojo);
    border: none;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: bold;
}

.btn-enviar:hover {
    background-color: #b02a37;
}

/* Responsive */
@media (max-width: 768px) {
    .form-section {
        padding: 15px;
    }
    
    .container {
        padding: 10px;
    }
    
    .display-1 {
        font-size: 3rem;
    }
}