/**
 * APIVerve Authentication Pages - Sign In & Sign Up
 * Modern, clean design with animated network background
 * Full dark mode support and responsive design
 */

/* Auth Page Base */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--color-background);
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.02) 0%, 
        rgba(16, 185, 129, 0.02) 50%, 
        rgba(139, 92, 246, 0.02) 100%);
    pointer-events: none;
    z-index: 0;
}

/* Background Animation */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    pointer-events: none;
}

.network-canvas {
    width: 100%;
    height: 100%;
}

/* Theme Toggle - Positioned in corner */
.auth-theme-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    width: 48px;
    height: 48px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-lg);
    color: var(--color-text-primary);
}

.auth-theme-toggle .sun-icon,
.auth-theme-toggle .moon-icon {
    transition: opacity 0.3s ease;
}

.auth-theme-toggle .sun-icon {
    display: none;
}

.auth-theme-toggle .moon-icon {
    display: block;
}

.auth-theme-toggle:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-xl);
}

/* Back to Home Button */
.back-home-btn {
    position: fixed;
    top: 2rem;
    left: 2rem;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    color: var(--color-text-primary);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-md);
}

.back-home-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.back-home-btn i {
    font-size: 0.75rem;
}

/* Auth Container */
.auth-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Signup Layout with Sidebar */
.signup-layout {
    display: grid;
    grid-template-columns: 350px 480px;
    gap: 2rem;
    max-width: 850px;
    align-items: start;
}

/* API Showcase Sidebar */
.api-showcase {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 2rem;
}

.showcase-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 0.25rem 0;
}

.showcase-header p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin: 0 0 1.25rem 0;
}

/* API Preview */
.api-preview {
    margin-bottom: 1.25rem;
}

.api-endpoint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.method {
    background: #10b981;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
}

.api-endpoint code {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.8125rem;
    color: var(--color-text-primary);
    background: var(--color-background);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.api-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
    margin-bottom: 1rem;
}

.api-response {
    margin-bottom: 0.5rem;
}

.response-label {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.response-preview {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.875rem;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.6875rem;
    line-height: 1.4;
    color: var(--color-text-primary);
    white-space: pre;
    overflow-x: auto;
}

/* JSON Syntax Highlighting */
.json-key {
    color: #0066cc;
}

.json-string {
    color: #22863a;
}

.json-brace,
.json-array {
    color: var(--color-text-primary);
    font-weight: 600;
}

.json-colon,
.json-comma {
    color: var(--color-text-secondary);
}

/* Dark mode JSON colors */
[data-theme="dark"] .json-key {
    color: #79c0ff;
}

[data-theme="dark"] .json-string {
    color: #a5d6ff;
}

/* Showcase Benefits */
.showcase-benefits {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.8125rem;
}

.benefit-item i {
    color: var(--color-primary);
    font-size: 0.75rem;
    width: 14px;
    flex-shrink: 0;
}

.benefit-item span {
    color: var(--color-text-primary);
    font-weight: 500;
}

/* Hide showcase on mobile and tablet */
@media (max-width: 900px) {
    .signup-layout {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
    
    .api-showcase {
        display: none;
    }
}

/* Auth Card */
.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 1.5rem 2.5rem 2rem;
    box-shadow: var(--shadow-2xl);
    backdrop-filter: blur(10px);
    position: relative;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

/* Auth Header */
.auth-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.auth-logo svg {
    width: 32px;
    height: 32px;
    fill: var(--color-primary);
}

.auth-logo .brand-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.auth-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 0.5rem 0;
}

.auth-subtitle {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin: 0;
}

/* Social Authentication */
.social-auth {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 2rem;
    background: var(--color-background);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.social-btn:hover {
    border-color: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.google-btn:hover {
    border-color: #4285f4;
}

.github-btn:hover {
    border-color: #333;
}

[data-theme="dark"] .github-btn:hover {
    border-color: #fff;
}

/* Auth Divider */
.auth-divider {
    position: relative;
    text-align: center;
    margin: 1rem 0;
}

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

.auth-divider span {
    background: var(--color-surface);
    color: var(--color-text-tertiary);
    padding: 0 1rem;
    font-size: 0.875rem;
    position: relative;
    z-index: 1;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

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

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 2rem;
    background: var(--color-background);
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-tertiary);
}

/* Input Group with Icon */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--color-text-tertiary);
    font-size: 1rem;
    z-index: 1;
    pointer-events: none;
}

.input-group .form-input {
    padding-left: 2.75rem;
}

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

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: color 0.2s ease;
}

.password-toggle:hover {
    color: var(--color-text-secondary);
}

.password-requirements {
    margin-top: 0.5rem;
}

.password-requirements small {
    color: var(--color-text-tertiary);
    font-size: 0.8125rem;
}

/* Form Options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0.5rem 0;
}

/* Custom Checkbox */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

.checkbox-label {
    color: var(--color-text-secondary);
}

/* Links */
.forgot-password,
.auth-link,
.terms-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.forgot-password:hover,
.auth-link:hover,
.terms-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

.forgot-password {
    font-size: 0.875rem;
}

/* Submit Button */
.auth-submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

.auth-submit-btn:hover {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.auth-submit-btn i {
    font-size: 0.875rem;
    transition: transform 0.2s ease;
}

.auth-submit-btn:hover i {
    transform: translateX(2px);
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.auth-footer p {
    margin: 0;
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* Dark Mode Adjustments */
[data-theme="dark"] .auth-page::before {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.03) 0%, 
        rgba(16, 185, 129, 0.03) 50%, 
        rgba(139, 92, 246, 0.03) 100%);
}

[data-theme="dark"] .auth-card::before {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
}

/* Auth Messages */
.auth-message {
    padding: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: 1rem;
}

.auth-message i {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.auth-message h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 0.75rem 0;
}

.auth-message p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin: 0 0 0.75rem 0;
    line-height: 1.5;
}

.auth-message p:last-child {
    margin-bottom: 0;
}

.success-message i {
    color: var(--color-success);
}

.error-message i {
    color: var(--color-error);
}

.message-note {
    font-size: 0.875rem !important;
    color: var(--color-text-tertiary) !important;
}

.message-note a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.message-note a:hover {
    text-decoration: underline;
}

/* OAuth Specific Styles */
.oauth-container .auth-card {
    max-width: 580px;
}

.oauth-app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    min-height: 80px;
}

.oauth-app-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.oauth-app-icon {
    width: 40px;
    height: 40px;
    background: #4285f4;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.oauth-app-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.oauth-app-developer {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.oauth-arrow {
    color: var(--color-text-tertiary);
    font-size: 1.25rem;
    margin: 0 0.75rem;
    flex-shrink: 0;
}

.oauth-apiverve {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.oauth-apiverve .brand-icon {
    width: 24px;
    height: 24px;
}

.oauth-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.oauth-user-avatar {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.125rem;
}

.oauth-user-details {
    flex: 1;
}

.oauth-user-details h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 0.25rem 0;
}

.oauth-user-details p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.oauth-switch-account {
    font-size: 0.8125rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.oauth-switch-account:hover {
    text-decoration: underline;
}

.oauth-permissions {
    margin-bottom: 1.5rem;
}

.oauth-permissions-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 1rem 0;
}

.oauth-permissions-title i {
    color: var(--color-primary);
}

.oauth-permissions-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.oauth-permission-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.oauth-permission-icon {
    width: 32px;
    height: 32px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.oauth-permission-details h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 0.25rem 0;
}

.oauth-permission-details p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.4;
}

.oauth-app-details-section {
    margin-bottom: 1.5rem;
}

.oauth-details {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.oauth-details-summary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
    list-style: none;
}

.oauth-details-summary::-webkit-details-marker {
    display: none;
}

.oauth-details-content {
    padding: 1rem;
    background: var(--color-background);
    border-top: 1px solid var(--color-border);
}

.oauth-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.8125rem;
}

.oauth-detail-item:last-child {
    border-bottom: none;
}

.oauth-detail-label {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.oauth-detail-value {
    color: var(--color-text-primary);
    text-align: right;
    max-width: 200px;
    word-break: break-all;
}

.oauth-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.oauth-actions .btn {
    flex: 1;
}

.oauth-security-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
    padding: 0.75rem;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.oauth-security-notice i {
    color: var(--color-primary);
    margin-top: 0.125rem;
}

.oauth-success {
    text-align: center;
}

.oauth-success-icon {
    font-size: 3rem;
    color: var(--color-success);
    margin-bottom: 1rem;
}

.oauth-success-details {
    margin-bottom: 1.5rem;
}

.oauth-redirect-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.oauth-redirect-spinner {
    color: var(--color-primary);
}

.oauth-manual-redirect {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-theme-toggle {
        top: 1.5rem;
        right: 1.5rem;
        width: 44px;
        height: 44px;
    }
    
    .back-home-btn {
        top: 1.5rem;
        left: 1.5rem;
        padding: 0.625rem 0.875rem;
        font-size: 0.8125rem;
    }
    
    .auth-container {
        padding: 1.5rem 1rem;
        max-width: 420px;
    }
    
    .auth-card {
        padding: 2rem 1.5rem;
    }
    
    .auth-logo h1 {
        font-size: 1.375rem;
    }
    
    .auth-title {
        font-size: 1.375rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 480px) {
    .auth-theme-toggle {
        width: 40px;
        height: 40px;
        top: 1rem;
        right: 1rem;
    }
    
    .back-home-btn {
        top: 1rem;
        left: 1rem;
        padding: 0.5rem 0.75rem;
    }
    
    .back-home-btn span {
        display: none;
    }
    
    .auth-container {
        padding: 1rem 0.75rem;
    }
    
    .auth-card {
        padding: 1.5rem 1.25rem;
    }
    
    .auth-logo h1 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    .auth-title {
        font-size: 1.25rem;
    }
    
    .auth-subtitle {
        font-size: 0.875rem;
    }
    
    .social-btn,
    .form-input,
    .auth-submit-btn {
        padding: 0.75rem;
        font-size: 0.875rem;
    }
    
    /* OAuth responsive */
    .oauth-app-header {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .oauth-arrow {
        transform: rotate(90deg);
    }
    
    .oauth-actions {
        flex-direction: column;
    }
    
    .oauth-detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .oauth-detail-value {
        text-align: left;
        max-width: none;
        word-break: break-word;
    }
}

/* Loading States */
.auth-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.auth-submit-btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Focus Styles for Accessibility */
.social-btn:focus,
.form-input:focus,
.auth-submit-btn:focus,
.back-home-btn:focus,
.auth-theme-toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    .auth-card {
        border-width: 2px;
    }
    
    .form-input:focus {
        border-width: 2px;
    }
    
    .social-btn:focus,
    .auth-submit-btn:focus {
        outline-width: 3px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .auth-card,
    .social-btn,
    .form-input,
    .auth-submit-btn,
    .back-home-btn,
    .auth-theme-toggle {
        transition: none;
    }
    
    .auth-submit-btn:hover,
    .social-btn:hover,
    .back-home-btn:hover,
    .auth-theme-toggle:hover {
        transform: none;
    }
}