.register-section {
    margin-top: 70px;
    min-height: calc(100vh - 250px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--azul-muy-claro) 0%, var(--blanco) 100%);
    padding: 4rem 2rem;
}

.register-card {
    background: var(--blanco);
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 550px;
    animation: fadeIn 0.6s ease-out;
}

.register-card h2 {
    color: var(--azul-oscuro);
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.register-card .subtitle {
    text-align: center;
    color: var(--gris);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.register-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--azul-medio);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label .required {
    color: var(--naranja-medio);
    font-weight: bold;
}

.register-form input,
.register-form select {
    padding: 0.9rem 1rem;
    border: 2px solid var(--azul-muy-claro);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    font-family: inherit;
}

.register-form input:focus,
.register-form select:focus {
    outline: none;
    border-color: var(--azul-principal);
    box-shadow: 0 0 0 3px rgba(41, 128, 185, 0.1);
}

.register-form input.invalid {
    border-color: #e74c3c;
}

.register-form input.valid {
    border-color: #27ae60;
}

.error-message {
    color: #e74c3c;
    font-size: 0.85rem;
    display: none;
    margin-top: 0.3rem;
}

.password-strength {
    height: 4px;
    background: var(--azul-muy-claro);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0.3rem;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.strength-weak { width: 33%; background: #e74c3c; }
.strength-medium { width: 66%; background: var(--naranja-principal); }
.strength-strong { width: 100%; background: #27ae60; }

.password-hint {
    font-size: 0.8rem;
    color: var(--gris);
    margin-top: 0.3rem;
}

/* Selector de rol (cliente / profesional) */
.role-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 0.5rem;
}

.role-option {
    position: relative;
}

.role-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.role-option label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.2rem 1rem;
    border: 2px solid var(--azul-muy-claro);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    background: var(--blanco);
}

.role-option label .role-icon {
    font-size: 2rem;
}

.role-option label .role-title {
    font-weight: bold;
    color: var(--azul-oscuro);
    font-size: 1rem;
}

.role-option label .role-desc {
    font-size: 0.8rem;
    color: var(--gris);
    font-weight: normal;
}

.role-option input[type="radio"]:checked + label {
    border-color: var(--naranja-medio);
    background: linear-gradient(135deg, var(--naranja-muy-claro) 0%, var(--blanco) 100%);
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.15);
}

.role-option label:hover {
    border-color: var(--azul-principal);
    transform: translateY(-2px);
}

/* Checkbox de términos */
.terms-group {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--gris);
    margin-top: 0.5rem;
}

.terms-group input[type="checkbox"] {
    margin-top: 0.25rem;
    width: 18px;
    height: 18px;
    accent-color: var(--naranja-medio);
    cursor: pointer;
}

.terms-group a {
    color: var(--naranja-medio);
    text-decoration: none;
    font-weight: 500;
}

.terms-group a:hover {
    color: var(--naranja-oscuro);
    text-decoration: underline;
}

.btn-register-submit {
    width: 100%;
    margin-top: 1rem;
    padding: 1rem;
    font-size: 1.1rem;
}

.login-divider {
    text-align: center;
    margin: 2rem 0 1.5rem;
    position: relative;
    color: var(--gris);
    font-size: 0.9rem;
}

.login-divider::before,
.login-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--azul-muy-claro);
}

.login-divider::before { left: 0; }
.login-divider::after { right: 0; }

.social-login {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.btn-social {
    flex: 1;
    padding: 0.9rem;
    border: 2px solid var(--azul-muy-claro);
    border-radius: 8px;
    background: var(--blanco);
    color: var(--azul-medio);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.btn-social:hover {
    border-color: var(--azul-principal);
    background: var(--azul-muy-claro);
    transform: translateY(-2px);
}

.login-link {
    text-align: center;
    color: var(--gris);
    font-size: 0.95rem;
}

.login-link a {
    color: var(--naranja-medio);
    text-decoration: none;
    font-weight: 600;
}

.login-link a:hover {
    color: var(--naranja-oscuro);
    text-decoration: underline;
}

/* Mensajes de alerta */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.alert-error {
    background: #fee;
    color: #c33;
    border: 1px solid #fcc;
}

.alert-success {
    background: #efe;
    color: #3c3;
    border: 1px solid #cfc;
}

@media (max-width: 768px) {
    .register-card {
        padding: 2rem 1.5rem;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
    .role-selector {
        grid-template-columns: 1fr;
    }
    .social-login {
        flex-direction: column;
    }
}