/**
 * BTC University - Authentication Page Styles
 * Login, registration, and enrollment forms
 * 
 * Features:
 * - Split layout with branding
 * - Form styling
 * - Social login buttons
 * - Tier selection cards
 */

/* ============================================
   AUTH PAGE LAYOUT
============================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
}

/* ============================================
   AUTH BRANDING SIDE
============================================ */

.auth-branding {
    flex: 1;
    background: linear-gradient(135deg, var(--btcu-navy) 0%, var(--btcu-navy-dark) 100%);
    padding: var(--space-12);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.auth-branding::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C9B896' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.auth-branding-content {
    position: relative;
    z-index: 1;
    max-width: 28rem;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.auth-logo-img {
    width: 4rem;
    height: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.auth-logo-text {
    display: flex;
    flex-direction: column;
}

.auth-logo-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--btcu-white);
}

.auth-logo-subtitle {
    font-size: var(--text-sm);
    color: var(--btcu-gold);
    letter-spacing: var(--tracking-wide);
}

.auth-branding-title {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--btcu-white);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
}

.auth-branding-description {
    font-size: var(--text-lg);
    color: var(--btcu-gray-300);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-8);
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--btcu-gray-300);
}

.auth-feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-lg);
    background: rgba(201, 184, 150, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.auth-feature-icon svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--btcu-gold);
}

.auth-feature-text {
    font-size: var(--text-base);
}

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

.auth-form-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    background: var(--btcu-gray-50);
}

.auth-form-wrapper {
    width: 100%;
    max-width: 28rem;
}

.auth-form-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.auth-form-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-semibold);
    color: var(--btcu-navy);
    margin-bottom: var(--space-2);
}

.auth-form-subtitle {
    font-size: var(--text-base);
    color: var(--btcu-gray-500);
}

.auth-form-subtitle a {
    color: var(--btcu-orange);
    font-weight: var(--font-medium);
}

/* ============================================
   FORM STYLES
============================================ */

.auth-form {
    background: var(--btcu-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--btcu-navy);
    margin-bottom: var(--space-2);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--btcu-gray-50);
    border: 1px solid var(--btcu-gray-200);
    border-radius: var(--radius-lg);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--btcu-navy);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--btcu-gold);
    background: var(--btcu-white);
    box-shadow: 0 0 0 3px rgba(201, 184, 150, 0.2);
}

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

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

.form-error {
    font-size: var(--text-sm);
    color: var(--btcu-error);
    margin-top: var(--space-1);
}

/* Password Input with Toggle */
.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--btcu-gray-400);
    cursor: pointer;
    padding: var(--space-1);
}

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

.password-toggle svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Checkbox */
.form-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.form-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    margin-top: 2px;
    accent-color: var(--btcu-orange);
    cursor: pointer;
}

.form-checkbox-label {
    font-size: var(--text-sm);
    color: var(--btcu-gray-600);
    line-height: var(--leading-relaxed);
}

.form-checkbox-label a {
    color: var(--btcu-orange);
    font-weight: var(--font-medium);
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.form-remember {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--btcu-gray-600);
}

.form-forgot {
    font-size: var(--text-sm);
    color: var(--btcu-orange);
    font-weight: var(--font-medium);
    text-decoration: none;
}

.form-forgot:hover {
    text-decoration: underline;
}

/* Submit Button */
.auth-submit {
    width: 100%;
    padding: var(--space-4);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
}

/* ============================================
   SOCIAL LOGIN
============================================ */

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

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

.auth-divider span {
    font-size: var(--text-sm);
    color: var(--btcu-gray-400);
}

.social-login-buttons {
    display: flex;
    gap: var(--space-3);
}

.social-login-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--btcu-white);
    border: 1px solid var(--btcu-gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--btcu-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.social-login-btn:hover {
    background: var(--btcu-gray-50);
    border-color: var(--btcu-gray-300);
}

.social-login-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* ============================================
   ENROLLMENT / TIER SELECTION
============================================ */

.enroll-page {
    padding: var(--space-8) 0;
}

.enroll-header {
    text-align: center;
    max-width: 40rem;
    margin: 0 auto var(--space-12);
}

.enroll-title {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.enroll-subtitle {
    font-size: var(--text-xl);
    color: var(--btcu-gray-600);
}

/* Tier Cards */
.tier-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 70rem;
    margin: 0 auto;
}

.tier-card {
    background: var(--btcu-white);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--btcu-gray-200);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-default);
    display: flex;
    flex-direction: column;
}

.tier-card:hover {
    border-color: var(--btcu-gold);
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.tier-card.featured {
    border-color: var(--btcu-gold);
    position: relative;
}

.tier-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--space-1) var(--space-4);
    background: var(--btcu-gold);
    color: var(--btcu-navy);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.tier-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto var(--space-4);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tier-icon.apprentice {
    background: linear-gradient(135deg, #E2E8F0 0%, #A0AEC0 100%);
}

.tier-icon.pathfinder {
    background: linear-gradient(135deg, var(--btcu-gold) 0%, var(--btcu-orange) 100%);
}

.tier-icon.vanguard {
    background: linear-gradient(135deg, var(--btcu-navy) 0%, var(--btcu-navy-light) 100%);
}

.tier-icon svg {
    width: 2rem;
    height: 2rem;
    color: var(--btcu-white);
}

.tier-icon.apprentice svg {
    color: var(--btcu-navy);
}

.tier-name {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--btcu-navy);
    margin-bottom: var(--space-2);
}

.tier-tagline {
    font-size: var(--text-sm);
    color: var(--btcu-gray-500);
    margin-bottom: var(--space-4);
}

.tier-price {
    margin-bottom: var(--space-6);
}

.tier-price-amount {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--font-bold);
    color: var(--btcu-navy);
}

.tier-price-period {
    font-size: var(--text-base);
    color: var(--btcu-gray-500);
}

.tier-features {
    flex: 1;
    text-align: left;
    margin-bottom: var(--space-6);
}

.tier-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-sm);
    color: var(--btcu-gray-600);
}

.tier-feature svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--btcu-success);
    flex-shrink: 0;
    margin-top: 1px;
}

.tier-feature.disabled {
    color: var(--btcu-gray-400);
}

.tier-feature.disabled svg {
    color: var(--btcu-gray-300);
}

.tier-cta {
    width: 100%;
    padding: var(--space-4);
}

.tier-card.featured .tier-cta {
    background: var(--btcu-orange);
}

.tier-card.featured .tier-cta:hover {
    background: var(--btcu-orange-dark);
}

/* ============================================
   RESPONSIVE STYLES
============================================ */

@media (max-width: 1024px) {
    .auth-page {
        flex-direction: column;
    }
    
    .auth-branding {
        padding: var(--space-8);
        min-height: auto;
    }
    
    .auth-branding-title {
        font-size: var(--text-2xl);
    }
    
    .auth-features {
        display: none;
    }
    
    .tier-cards {
        grid-template-columns: 1fr;
        max-width: 28rem;
    }
    
    .tier-card.featured {
        order: -1;
    }
}

@media (max-width: 768px) {
    .auth-form-container {
        padding: var(--space-6);
    }
    
    .auth-form {
        padding: var(--space-6);
    }
    
    .social-login-buttons {
        flex-direction: column;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
}

@media (max-width: 480px) {
    .auth-branding {
        padding: var(--space-6);
    }
    
    .auth-logo-img {
        width: 3rem;
        height: 3rem;
    }
    
    .auth-branding-title {
        font-size: var(--text-xl);
    }
    
    .auth-branding-description {
        font-size: var(--text-base);
    }
}