/* Newsletter and Ebook Page Styles - Consistent with Theme */

/* Google Cloud Skin Compatible Styles */
.skin-google-cloud .newsletter-hero,
.skin-google-cloud .ebook-hero {
    background: var(--background-primary) !important;
    font-family: var(--font-family);
}

.skin-google-cloud .newsletter-subscription,
.skin-google-cloud .ebook-filters {
    background: var(--background-secondary) !important;
}

.skin-google-cloud .subscription-card,
.skin-google-cloud .category-card {
    background: var(--background-primary) !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: var(--shadow-1) !important;
    transition: var(--transition-standard) !important;
}

.skin-google-cloud .category-card:hover {
    box-shadow: var(--shadow-2) !important;
    transform: translateY(-2px);
}

.skin-google-cloud .checkbox-label:hover {
    background: var(--primary-light) !important;
    border-color: var(--primary-color) !important;
}

.skin-google-cloud .checkbox-label:has(input:checked) {
    background: var(--primary-light) !important;
    border-color: var(--primary-color) !important;
}

.skin-google-cloud .newsletter-navigation {
    background: var(--background-secondary) !important;
    border-bottom: 1px solid var(--border-light) !important;
}

.skin-google-cloud .newsletter-main,
.skin-google-cloud .newsletter-sidebar {
    background: var(--background-primary) !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: var(--shadow-1) !important;
}

/* Typography consistency */
.skin-google-cloud .archive-title {
    font-family: var(--font-family-display) !important;
    font-weight: 400 !important;
}

.skin-google-cloud .section-title {
    font-family: var(--font-family-display) !important;
    font-weight: 500 !important;
}

/* Button consistency */
.skin-google-cloud .btn-large {
    font-family: var(--font-family) !important;
    font-weight: 500 !important;
    border-radius: var(--border-radius-pill) !important;
}

/* Form styling */
.skin-google-cloud input[type="email"],
.skin-google-cloud input[type="text"] {
    font-family: var(--font-family) !important;
    border-radius: var(--border-radius-pill) !important;
    transition: var(--transition-standard) !important;
}

.skin-google-cloud input[type="email"]:focus,
.skin-google-cloud input[type="text"]:focus {
    border-color: var(--primary-color) !important;
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .skin-google-cloud .newsletter-hero,
    .skin-google-cloud .ebook-hero {
        padding: 48px 0 !important;
    }
    
    .skin-google-cloud .archive-title {
        font-size: 32px !important;
    }
    
    .skin-google-cloud .subscription-card {
        padding: 24px !important;
        margin: 0 16px !important;
    }
    
    .skin-google-cloud .category-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
    }
    
    .skin-google-cloud .newsletter-layout {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
    }
    
    .skin-google-cloud .newsletter-main {
        padding: 24px !important;
    }
    
    .skin-google-cloud .newsletter-sidebar {
        padding: 24px !important;
    }
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Focus states for accessibility */
.skin-google-cloud .category-card:focus-within {
    outline: 2px solid var(--primary-color) !important;
    outline-offset: 2px;
}

/* Success states */
.skin-google-cloud .subscription-form.submitted .subscription-card {
    border-color: var(--accent-green) !important;
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--accent-green) 5%) !important;
}

/* Error states */
.skin-google-cloud .subscription-form.error input[type="email"] {
    border-color: var(--accent-red) !important;
    outline-color: var(--accent-red) !important;
}

/* Loading states */
.skin-google-cloud .btn.loading {
    position: relative;
    color: transparent !important;
}

.skin-google-cloud .btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Newsletter Content Styling */
.newsletter-content {
    line-height: 1.8;
    color: var(--text-primary, #1a1a1a);
    font-size: 16px;
}

/* Headings */
.newsletter-content h2 {
    font-size: 28px;
    font-weight: 500;
    line-height: 1.3;
    margin-top: 32px;
    margin-bottom: 16px;
    color: var(--text-primary, #1a1a1a);
}

.newsletter-content h3 {
    font-size: 22px;
    font-weight: 500;
    line-height: 1.4;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--text-primary, #1a1a1a);
}

.newsletter-content h2:first-child,
.newsletter-content h3:first-child {
    margin-top: 0;
}

/* Paragraphs */
.newsletter-content p {
    margin-bottom: 16px;
    line-height: 1.8;
    color: var(--text-primary, #1a1a1a);
}

.newsletter-content p:last-child {
    margin-bottom: 0;
}

/* Lists */
.newsletter-content ul,
.newsletter-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
    line-height: 1.8;
}

.newsletter-content ul {
    list-style-type: disc;
}

.newsletter-content ol {
    list-style-type: decimal;
}

.newsletter-content li {
    margin-bottom: 8px;
    color: var(--text-primary, #1a1a1a);
}

.newsletter-content li:last-child {
    margin-bottom: 0;
}

.newsletter-content ul ul,
.newsletter-content ol ol,
.newsletter-content ul ol,
.newsletter-content ol ul {
    margin-top: 8px;
    margin-bottom: 8px;
}

/* Links */
.newsletter-content a {
    color: var(--primary-color, #3b82f6);
    text-decoration: underline;
    transition: color 0.2s ease;
}

.newsletter-content a:hover {
    color: var(--primary-color-dark, #2563eb);
    text-decoration: underline;
}

.newsletter-content a:focus {
    outline: 2px solid var(--primary-color, #3b82f6);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Images */
.newsletter-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 24px 0;
    display: block;
}

.newsletter-content img.alignleft {
    float: left;
    margin-right: 24px;
    margin-bottom: 16px;
}

.newsletter-content img.alignright {
    float: right;
    margin-left: 24px;
    margin-bottom: 16px;
}

.newsletter-content img.aligncenter {
    margin-left: auto;
    margin-right: auto;
    display: block;
}

/* Blockquotes / Quotes */
.newsletter-content blockquote {
    margin: 24px 0;
    padding: 16px 20px;
    border-left: 4px solid var(--primary-color, #3b82f6);
    background: var(--background-secondary, #f8fafc);
    border-radius: 0 6px 6px 0;
    font-style: italic;
    color: var(--text-secondary, #4a5568);
    line-height: 1.7;
}

.newsletter-content blockquote p {
    margin-bottom: 12px;
}

.newsletter-content blockquote p:last-child {
    margin-bottom: 0;
}

/* Text Formatting */
.newsletter-content strong,
.newsletter-content b {
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
}

.newsletter-content em,
.newsletter-content i {
    font-style: italic;
}

.newsletter-content u {
    text-decoration: underline;
}

/* Spacing between sections */
.newsletter-content > * + * {
    margin-top: 0;
}

.newsletter-content > h2 + p,
.newsletter-content > h3 + p {
    margin-top: 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .newsletter-content {
        font-size: 15px;
    }
    
    .newsletter-content h2 {
        font-size: 24px;
        margin-top: 28px;
        margin-bottom: 14px;
    }
    
    .newsletter-content h3 {
        font-size: 20px;
        margin-top: 20px;
        margin-bottom: 10px;
    }
    
    .newsletter-content p {
        margin-bottom: 14px;
    }
    
    .newsletter-content ul,
    .newsletter-content ol {
        padding-left: 20px;
        margin-bottom: 14px;
    }
    
    .newsletter-content blockquote {
        margin: 20px 0;
        padding: 14px 16px;
    }
    
    .newsletter-content img {
        margin: 20px 0;
        border-radius: 6px;
    }
    
    .newsletter-content img.alignleft,
    .newsletter-content img.alignright {
        float: none;
        margin-left: 0;
        margin-right: 0;
        display: block;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .newsletter-content {
        color: var(--text-primary, #e2e8f0);
    }
    
    .newsletter-content h2,
    .newsletter-content h3 {
        color: var(--text-primary, #e2e8f0);
    }
    
    .newsletter-content p,
    .newsletter-content li {
        color: var(--text-primary, #e2e8f0);
    }
    
    .newsletter-content blockquote {
        background: var(--background-secondary, #1e293b);
        border-left-color: var(--primary-color, #60a5fa);
        color: var(--text-secondary, #cbd5e1);
    }
    
    .newsletter-content a {
        color: var(--primary-color, #60a5fa);
    }
    
    .newsletter-content a:hover {
        color: var(--primary-color-light, #93c5fd);
    }
}