/*
 * devSteve.com Blog - Stylesheet
 * Terminal-inspired blog design extending main site theme
 */

/* =================================================================
   BLOG-SPECIFIC DESIGN EXTENSIONS
================================================================= */

h1 {
  margin-block: 0.67em;
  font-size: 2em;
}

/* Blog Hero Section - Terminal Interface */
.blog-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse at center, var(--color-charcoal) 0%, var(--bg-primary) 70%);
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 75%, rgba(0, 122, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 25%, rgba(0, 212, 170, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.blog-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Terminal Component */
.blog-terminal {
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.terminal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-color);
}

.terminal-controls {
    display: flex;
    gap: var(--space-sm);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-close {
    background: #ff5f56;
}

.terminal-minimize {
    background: #ffbd2e;
}

.terminal-maximize {
    background: #27ca3f;
}

.terminal-title {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.terminal-title a {
    color: var(--color-text-secondary);
}

.terminal-content {
    padding: var(--space-lg);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.terminal-line {
    margin-bottom: var(--space-sm);
    color: var(--color-text-secondary);
}

.terminal-line a {
    color: var(--color-text-secondary);
}

.terminal-prompt {
    color: var(--color-secondary);
    margin-right: var(--space-sm);
}

.terminal-command {
    color: var(--color-primary);
}

.terminal-output {
    margin-top: var(--space-md);
    padding-left: var(--space-lg);
}

.terminal-output .terminal-line {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

.terminal-output .terminal-line a {
    color: var(--color-text-muted);
}

/* Typing Animation */
.typing-text {
    position: relative;
}

.typing-text::after {
    content: '|';
    color: var(--color-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Blog Intro */
.blog-intro {
    max-width: 500px;
}

.blog-title {
    font-size: var(--font-size-5xl);
    font-family: var(--font-family-mono);
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: var(--font-weight-bold);
}

.blog-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* =================================================================
   CATEGORY COMPONENTS
================================================================= */

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.category-card {
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

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

.category-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-md);
    line-height: 1;
}

.category-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family-mono);
}

.category-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: var(--line-height-relaxed);
}

.category-count {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    background: var(--bg-elevated);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
}

/* =================================================================
   FILTER & SEARCH COMPONENTS
================================================================= */

.filter-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

/* Category Filters */
.category-filters {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    font-family: var(--font-family-mono);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-primary);
    box-shadow: var(--glow-primary);
}

/* Search Container */
.search-container {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 300px;
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    padding-right: 50px;
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family-mono);
    transition: all var(--transition-fast);
}

.search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.1);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-btn {
    position: absolute;
    right: var(--space-sm);
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-sm);
    transition: color var(--transition-fast);
}

.search-btn:hover {
    color: var(--color-primary);
}

/* =================================================================
   POST COMPONENTS
================================================================= */

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

/* Featured Post */
.featured-post-container {
    max-width: 800px;
    margin: 0 auto;
}

.featured-post-card {
    background: var(--bg-surface);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--glow-primary);
    transition: all var(--transition-normal);
}

.featured-post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

/* Post Card */
.post-card {
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.post-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.post-thumbnail {
    width: 100%;
    height: 200px;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-thumbnail-placeholder {
    font-size: var(--font-size-4xl);
    color: var(--color-text-muted);
}

.post-thumbnail-placeholder a {
    text-decoration: none;
}

.post-thumbnail-placeholder a:hover {
    text-decoration: none;
}

.post-category-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 0, 0, 0.8);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    font-family: var(--font-family-mono);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
}

.post-content {
    padding: var(--space-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.post-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    color: var(--color-text-primary);
    line-height: var(--line-height-tight);
}

.post-title a {
    color: var(--color-text-primary);
    text-decoration: underline;
}

.post-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: var(--line-height-relaxed);
    flex-grow: 1;
}

.post-description a {
    color: var(--color-text-secondary);
    text-decoration: underline;
}

.post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-family: var(--font-family-mono);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color-light);
}

.post-date {
    color: var(--color-text-muted);
}

.post-reading-time {
    color: var(--color-secondary);
}

/* Post Tags */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.post-tag {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    background: var(--bg-elevated);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-family: var(--font-family-mono);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.post-tag:hover {
    color: var(--color-primary);
    background: rgba(0, 122, 204, 0.1);
}

/* =================================================================
   PAGINATION COMPONENTS
================================================================= */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border-color-light);
}

.pagination-btn {
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-family: var(--font-family-mono);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    font-family: var(--font-family-mono);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* =================================================================
   BREADCRUMB COMPONENTS
================================================================= */

.blog-breadcrumb {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--border-color-light);
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
}

.breadcrumb-list li {
    color: var(--color-text-muted);
}

.breadcrumb-list li:not(:last-child)::after {
    content: ' > ';
    margin: 0 var(--space-sm);
    color: var(--color-text-muted);
}

.breadcrumb-list a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
    color: var(--color-primary);
}

/* =================================================================
   LOADING STATES
================================================================= */

.posts-loading,
.featured-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-4xl);
    color: var(--color-text-muted);
    text-align: center;
}

.posts-loading .loading-spinner,
.featured-loading .loading-spinner {
    margin-bottom: var(--space-lg);
    width: 40px;
    height: 40px;
}

/* =================================================================
   CATEGORY HEADERS
================================================================= */

.category-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.category-header .category-icon {
    font-size: var(--font-size-6xl);
    margin-bottom: var(--space-lg);
    line-height: 1;
}

.category-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: var(--font-weight-bold);
    font-family: var(--font-family-mono);
}

.category-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: 0;
}

/* =================================================================
   RESPONSIVE DESIGN
================================================================= */

/* Mobile Styles */
@media (max-width: 767px) {
    .blog-hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .blog-intro {
        text-align: center;
    }

    .blog-title {
        font-size: var(--font-size-4xl);
    }

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .category-filters {
        justify-content: center;
    }

    .search-container {
        max-width: none;
    }

    .posts-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* Tablet Styles */
@media (min-width: 768px) and (max-width: 1023px) {
    .blog-hero-content {
        gap: var(--space-2xl);
    }

    .posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* Large Desktop */
@media (min-width: 1440px) {
    .posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    }
}