/* AutoAuthor Blog Embed Styles */

/* CSS Variables */
:root {
    --aa-glow: #3b82f6;
    --aa-text-primary: #1f2937;
    --aa-text-secondary: #6b7280;
    --aa-bg-primary: #ffffff;
    --aa-bg-secondary: #f9fafb;
    --aa-border: #e5e7eb;
    --aa-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --aa-radius: 0.5rem;
    --aa-transition: all 0.2s ease-in-out;
}

/* Theme Classes */
.aa-theme-dark {
    --aa-text-primary: #f9fafb;
    --aa-text-secondary: #d1d5db;
    --aa-bg-primary: #111827;
    --aa-bg-secondary: #1f2937;
    --aa-border: #374151;
    --aa-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
}

.aa-theme-light {
    --aa-text-primary: #1f2937;
    --aa-text-secondary: #6b7280;
    --aa-bg-primary: #ffffff;
    --aa-bg-secondary: #f9fafb;
    --aa-border: #e5e7eb;
    --aa-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

.aa-theme-minimal {
    --aa-text-primary: #374151;
    --aa-text-secondary: #9ca3af;
    --aa-bg-primary: #ffffff;
    --aa-bg-secondary: #ffffff;
    --aa-border: #f3f4f6;
    --aa-shadow: none;
    --aa-radius: 0;
}

/* Layout Classes */
.aa-layout-compact {
    --aa-card-padding: 1rem;
    --aa-card-margin: 0.5rem;
    --aa-card-gap: 0.75rem;
}

.aa-layout-spacious {
    --aa-card-padding: 1.5rem;
    --aa-card-margin: 1rem;
    --aa-card-gap: 1.5rem;
}

.aa-layout-centered {
    --aa-card-padding: 1.25rem;
    --aa-card-margin: 1rem;
    --aa-card-gap: 1.25rem;
    text-align: center;
}

.aa-layout-full {
    --aa-card-padding: 1.5rem;
    --aa-card-margin: 1.5rem;
    --aa-card-gap: 2rem;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html, body {
    background: transparent;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--aa-bg-primary);
    color: var(--aa-text-primary);
    transition: var(--aa-transition);
}

#aa-embed-root {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Blog Cards */
.aa-blog-grid {
    display: grid;
    gap: var(--aa-card-gap);
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.aa-blog-card {
    background: var(--aa-bg-secondary);
    border: 1px solid var(--aa-border);
    border-radius: var(--aa-radius);
    padding: var(--aa-card-padding);
    margin: var(--aa-card-margin);
    box-shadow: var(--aa-shadow);
    cursor: pointer;
    transition: var(--aa-transition);
    position: relative;
    overflow: hidden;
}

.aa-blog-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-color: var(--aa-glow);
}

.aa-blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--aa-glow);
    transform: scaleX(0);
    transition: var(--aa-transition);
}

.aa-blog-card:hover::before {
    transform: scaleX(1);
}

.aa-blog-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--aa-text-primary);
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
}

.aa-blog-preview {
    color: var(--aa-text-secondary);
    line-height: 1.6;
    margin: 0 0 1rem 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.aa-blog-date {
    color: var(--aa-text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.aa-blog-date.hidden {
    display: none;
}

/* Empty State */
.aa-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--aa-text-secondary);
}

.aa-empty-state h3 {
    margin: 0 0 1rem 0;
    color: var(--aa-text-primary);
}

/* Loading State */
.aa-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--aa-text-secondary);
}

.aa-loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--aa-border);
    border-radius: 50%;
    border-top-color: var(--aa-glow);
    animation: spin 1s ease-in-out infinite;
}

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

/* Error State */
.aa-error {
    text-align: center;
    padding: 2rem 1rem;
    color: #dc2626;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--aa-radius);
    margin: 1rem;
}

/* Modal Overlay */
.aa-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}

.aa-modal-overlay.active {
    display: flex;
}

.aa-modal-container {
    background: var(--aa-bg-primary);
    border-radius: var(--aa-radius);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.aa-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    border-bottom: 1px solid var(--aa-border);
}

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

.aa-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--aa-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.25rem;
    transition: var(--aa-transition);
}

.aa-modal-close:hover {
    color: var(--aa-text-primary);
    background: var(--aa-bg-secondary);
}

.aa-modal-content {
    padding: 1rem 1.5rem 1.5rem 1.5rem;
    color: var(--aa-text-primary);
    line-height: 1.7;
}

.aa-modal-content h1,
.aa-modal-content h2,
.aa-modal-content h3,
.aa-modal-content h4,
.aa-modal-content h5,
.aa-modal-content h6 {
    color: var(--aa-text-primary);
    /* Let .aa-post handle margins for better typography */
}

.aa-modal-content p {
    /* Let .aa-post handle margins for better typography */
}

.aa-modal-content ul,
.aa-modal-content ol {
    /* Let .aa-post handle margins for better typography */
}

.aa-modal-content blockquote {
    border-left: 4px solid var(--aa-glow);
    margin: 1rem 0;
    padding-left: 1rem;
    font-style: italic;
    color: var(--aa-text-secondary);
}

.aa-modal-content code {
    background: var(--aa-bg-secondary);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875em;
}

.aa-modal-content pre {
    background: var(--aa-bg-secondary);
    padding: 1rem;
    border-radius: var(--aa-radius);
    overflow-x: auto;
    margin: 1rem 0;
}

.aa-modal-content pre code {
    background: none;
    padding: 0;
}

/* Error and Empty States */
.aa-error,
.aa-empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--aa-text-secondary);
}

.aa-error h3,
.aa-empty-state h3 {
    color: var(--aa-text-primary);
    margin: 0 0 1rem 0;
    font-size: 1.25rem;
}

.aa-error p,
.aa-empty-state p {
    margin: 0;
    font-size: 1rem;
}

/* Loading State */
.aa-loading {
    text-align: center;
    padding: 2rem;
    color: var(--aa-text-secondary);
}

.aa-loading-spinner {
    width: 2rem;
    height: 2rem;
    border: 2px solid var(--aa-border);
    border-top: 2px solid var(--aa-glow);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem auto;
}

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

/* Blog Post Content Readability */
:root {
  --aa-font-size-base: 16px;
  --aa-leading: 1.65;
  --aa-space-1: 0.375rem; /* 6px */
  --aa-space-2: 0.75rem;  /* 12px */
  --aa-space-3: 1rem;     /* 16px */
  --aa-space-4: 1.5rem;   /* 24px */
  --aa-space-6: 2rem;     /* 32px */
  --aa-space-8: 3rem;     /* 48px */
  --aa-measure: 70ch;     /* max line length */
}

.aa-post {
  max-width: var(--aa-measure);
  line-height: var(--aa-leading);
  font-size: var(--aa-font-size-base);
}

.aa-post h1 {
  font-size: clamp(1.75rem, 2.5vw, 2.25rem);
  line-height: 1.25;
  margin: 0 0 var(--aa-space-4);
}

.aa-post h2 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.3;
  margin: var(--aa-space-8) 0 var(--aa-space-2);
}

.aa-post h3 {
  font-size: clamp(1.125rem, 1.6vw, 1.25rem);
  line-height: 1.35;
  margin: var(--aa-space-6) 0 var(--aa-space-2);
}

.aa-post p {
  margin: 0 0 var(--aa-space-3);
}

.aa-post ul, .aa-post ol {
  margin: 0 0 var(--aa-space-3);
  padding-left: 1.25rem;
}

.aa-post li + li {
  margin-top: var(--aa-space-1);
}

/* Tighten heading-to-next-paragraph spacing so the heading visually pairs with its section */
.aa-post h2 + p,
.aa-post h2 + ul,
.aa-post h3 + p,
.aa-post h3 + ul {
  margin-top: var(--aa-space-2);
}

/* Remove accidental extra gaps from stray <br> or empty nodes */
.aa-post br + br { display: none; }
.aa-post p:empty { display: none; }

/* Prevent headings from sticking to previous paragraph */
p + h2, ul + h2, ol + h2 { margin-top: var(--aa-space-8); }
p + h3, ul + h3, ol + h3 { margin-top: var(--aa-space-6); }

/* Responsive Design */
@media (max-width: 768px) {
    .aa-blog-grid {
        grid-template-columns: 1fr;
    }
    
    .aa-modal-container {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .aa-modal-header,
    .aa-modal-content {
        padding: 1rem;
    }
}