/* ========================================
   TuTienda360 - Autenticación (Login/Registro)
   ======================================== */

.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
}

.auth-container {
    background: var(--color-white);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-xl);
    max-width: 480px;
    width: 100%;
    padding: var(--spacing-10);
}

.auth-logo {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-8);
}

.logo-text {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-800);
}

.logo-highlight {
    color: var(--color-primary);
}

/* Tabs */
.auth-tabs {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-8);
    background: var(--color-gray-100);
    padding: var(--spacing-1);
    border-radius: var(--border-radius-lg);
}

.auth-tab {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-4);
    border: none;
    background: transparent;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-600);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-tab:hover {
    color: var(--color-gray-800);
}

.auth-tab.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* Formularios */
.auth-form-container {
    display: none;
}

.auth-form-container.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    text-align: center;
    margin-bottom: var(--spacing-2);
}

.auth-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

/* Grupos de Formulario */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-700);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: var(--spacing-4);
    color: var(--color-gray-400);
    font-size: var(--font-size-lg);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    padding-left: var(--spacing-12);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 97, 255, 0.1);
}

.form-input.error {
    border-color: var(--color-error);
}

.password-toggle {
    position: absolute;
    right: var(--spacing-3);
    background: transparent;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--spacing-2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--color-gray-600);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
    min-height: 16px;
}

/* Password Strength */
.password-strength {
    display: flex;
    gap: var(--spacing-1);
    margin-top: var(--spacing-1);
}

.password-strength .strength-bar {
    flex: 1;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
}

.password-strength .strength-bar.weak {
    background: var(--color-error);
}

.password-strength .strength-bar.medium {
    background: var(--color-warning);
}

.password-strength .strength-bar.strong {
    background: var(--color-success);
}

/* Opciones del Formulario */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    user-select: none;
}

.checkbox-wrapper input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.forgot-link {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-fast);
}

.forgot-link:hover {
    color: var(--color-primary-dark);
}

/* Botón de Autenticación */
.btn-auth {
    width: 100%;
    padding: var(--spacing-4);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-2);
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin: var(--spacing-6) 0;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-gray-200);
}

/* Social Login */
.social-login {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    background: var(--color-white);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-social:hover {
    border-color: var(--color-gray-400);
    background: var(--color-gray-50);
}

.btn-google i {
    font-size: var(--font-size-xl);
}

.btn-facebook i {
    font-size: var(--font-size-xl);
    color: #1877F2;
}

.btn-facebook:hover i {
    color: #166fe5;
}

/* Beneficios */
.auth-benefits {
    display: flex;
    justify-content: center;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
}

.auth-benefits .benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    text-align: center;
}

.auth-benefits i {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
}

.auth-benefits span {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-container {
        padding: var(--spacing-6);
    }
    
    .auth-benefits {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .form-options {
        flex-direction: column;
        gap: var(--spacing-3);
        align-items: flex-start;
    }
}