.registro-container {
    max-width: 600px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: Arial, sans-serif;
}

.registro-container h1 {
    text-align: center;
    color: #1F3864;
    margin-bottom: 30px;
    font-size: 24px;
}

.campo-grupo {
    margin-bottom: 20px;
}

.campo-grupo label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #333;
    font-size: 15px;
}

.campo-grupo input[type="text"],
.campo-grupo input[type="email"],
.campo-grupo input[type="date"],
.campo-grupo select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    box-sizing: border-box;
    -webkit-appearance: none;
}

.campo-grupo input:focus,
.campo-grupo select:focus {
    outline: none;
    border-color: #1F3864;
    box-shadow: 0 0 0 2px rgba(31, 56, 100, 0.15);
}

.campo-grupo small {
    display: block;
    margin-top: 4px;
    color: #666;
    font-size: 13px;
}

.campo-rgpd label {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-weight: normal;
    font-size: 13px;
    color: #555;
    line-height: 1.5;
}

.campo-rgpd input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

#registro-btn {
    width: 100%;
    padding: 15px;
    background-color: #1F3864;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.2s;
}

#registro-btn:hover {
    background-color: #2E75B6;
}

#registro-btn:disabled {
    background-color: #999;
    cursor: not-allowed;
}

.registro-mensaje {
    padding: 15px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.5;
}

.registro-mensaje.error {
    background-color: #fdecea;
    border: 1px solid #f44336;
    color: #c62828;
}

.registro-mensaje.exito {
    background-color: #e8f5e9;
    border: 1px solid #4caf50;
    color: #2e7d32;
}

@media (max-width: 480px) {
    .registro-container {
        padding: 0 15px;
    }

    .registro-container h1 {
        font-size: 20px;
    }

    #registro-btn {
        font-size: 16px;
    }
}