/**
 * AUTHENTICATION PAGES STYLING
 * Login & Registration with Kodo Design Language
 * 
 * Design Principles:
 * - Minimalist, clean forms
 * - White background with soft shadows
 * - Mazda red accents
 * - Split layout (form + visual)
 * - Mobile-first responsive
 */

/* ============================================
   AUTH SECTION BASE
   ============================================ */

.auth-section {
    min-height: 100vh;
    background: var(--color-white);
    padding: var(--space-xl) 0;
}

/* ============================================
   AUTH CARD - MAIN CONTAINER
   ============================================ */

.auth-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
}

/* Large card for registration */
.auth-card-large {
    grid-template-columns: 1fr;
}

@media (min-width: 992px) {
    .auth-card {
        grid-template-columns: 1fr 1fr;
    }
    
    .auth-card-large {
        grid-template-columns: 400px 1fr;
    }
}

/* ============================================
   FORM SIDE
   ============================================ */

.auth-form-side {
    padding: var(--space-2xl) var(--space-xl);
}

@media (min-width: 768px) {
    .auth-form-side {
        padding: var(--space-3xl) var(--space-2xl);
    }
}

/* Auth Header */
.auth-header {
    margin-bottom: var(--space-xl);
}

.auth-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

.auth-subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-gray-600);
    margin: 0;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

.auth-form {
    margin-top: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 0.5rem;
    display: block;
}

.auth-input {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.875rem 1.125rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background: var(--color-white);
}

.auth-input:focus {
    border-color: var(--color-mazda-red);
    box-shadow: 0 0 0 3px rgba(220, 27, 31, 0.1);
    outline: none;
}

.auth-input::placeholder {
    color: var(--color-gray-400);
}

/* Select dropdown */
select.auth-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23343A40' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

/* Form text helper */
.form-text {
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    margin-top: 0.25rem;
    display: block;
}

/* ============================================
   CHECKBOX STYLING
   ============================================ */

.auth-checkbox {
    padding: 0;
}

.auth-checkbox .form-check-input {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.auth-checkbox .form-check-input:checked {
    background-color: var(--color-mazda-red);
    border-color: var(--color-mazda-red);
}

.auth-checkbox .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(220, 27, 31, 0.1);
}

.auth-checkbox .form-check-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-left: 0.5rem;
    cursor: pointer;
}

/* ============================================
   SUBMIT BUTTON
   ============================================ */

.auth-submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.125rem 2rem;
    background: var(--color-mazda-red);
    color: var(--color-white);
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: pointer;
}

.auth-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.auth-submit-btn:active {
    transform: translateY(0);
}

.btn-arrow {
    font-size: 1.25rem;
    transition: transform var(--transition-fast);
}

.auth-submit-btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* ============================================
   DIVIDER
   ============================================ */

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: var(--space-lg) 0;
}

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

.auth-divider span {
    padding: 0 var(--space-md);
    font-size: 0.875rem;
    color: var(--color-gray-400);
    font-family: var(--font-ui);
}

/* ============================================
   FORM SECTION DIVIDER
   ============================================ */

.form-section-divider {
    position: relative;
    text-align: center;
    margin: var(--space-lg) 0 var(--space-md);
}

.form-section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-gray-200);
}

.form-section-divider span {
    position: relative;
    background: var(--color-white);
    padding: 0 var(--space-md);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   LINKS
   ============================================ */

.auth-link {
    color: var(--color-mazda-red);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.auth-link:hover {
    color: #b01414;
    text-decoration: underline;
}

.auth-link-small {
    color: var(--color-mazda-red);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.auth-link-small:hover {
    color: #b01414;
}

.auth-footer-text {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin: var(--space-md) 0 0;
}

/* ============================================
   ALERT MESSAGES
   ============================================ */

.auth-alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.9375rem;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: #fee;
    border-color: #fcc;
    color: #c00;
}

.alert-success {
    background-color: #efe;
    border-color: #cfc;
    color: #080;
}

/* ============================================
   VISUAL SIDE
   ============================================ */

.auth-visual-side {
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
    padding: var(--space-2xl) var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-visual-side::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(220, 27, 31, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.auth-visual-content {
    position: relative;
    z-index: 1;
}

/* Visual Badge */
.auth-visual-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
}

.badge-icon {
    font-size: 1.25rem;
}

.badge-text {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-black);
}

/* Visual Title */
.auth-visual-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-black);
    line-height: 1.2;
    margin-bottom: var(--space-xl);
}

/* Visual List */
.auth-visual-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl);
}

.auth-visual-list li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 1rem;
    color: var(--color-gray-600);
}

.list-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-mazda-red);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

/* Visual Stat */
.auth-visual-stat {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-mazda-red);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

/* Visual Testimonial */
.auth-visual-testimonial {
    padding: var(--space-lg);
    background: var(--color-white);
    border-left: 3px solid var(--color-mazda-red);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.testimonial-quote {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-black);
    font-style: italic;
    margin-bottom: var(--space-sm);
}

.testimonial-author {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-600);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

@media (max-width: 991px) {
    .auth-visual-side {
        display: none;
    }
    
    .auth-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .auth-form-side {
        padding: var(--space-xl) var(--space-md);
    }
    
    .auth-title {
        font-size: 1.75rem;
    }
    
    .form-group {
        margin-bottom: var(--space-md);
    }
}