/**
 * SimpleSilence Theme Styles
 * Dark theme with cyan accents matching the main website
 */

/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
    /* Colors */
    --color-bg-main: #0a0f1e;
    --color-bg-card: #121829;
    --color-bg-tertiary: #1a2235;
    --color-primary: #2dd4bf;
    --color-primary-hover: #5eead4;
    --color-text-primary: #e2e8f0;
    --color-text-secondary: #94a3b8;
    --color-border: #2a3447;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Layout */
    --max-width: 1200px;
    --content-width: 800px;
    --header-height: 72px;
}

/* ========================================
   Reset & Base
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-primary);
    background-color: var(--color-bg-main);
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   Header
   ======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: background var(--transition-normal);
}

.site-header.scrolled {
    background: rgba(10, 15, 30, 0.95);
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 1.25rem;
}

.logo:hover {
    color: var(--color-text-primary);
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.main-nav {
    display: none;
}

@media (min-width: 768px) {
    .main-nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
}

.nav-list a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-list a:hover,
.nav-list a.nav-active {
    color: var(--color-text-primary);
}

.nav-list a.nav-active {
    color: var(--color-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg-main);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: var(--color-bg-main);
}

.btn-full {
    width: 100%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    bottom: -7px;
}

.mobile-menu-toggle.active .hamburger {
    background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-main);
    padding: var(--space-xl);
    z-index: 999;
}

.mobile-nav.active {
    display: block;
}

@media (min-width: 768px) {
    .mobile-nav {
        display: none !important;
    }
}

.mobile-nav-list {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.mobile-nav-list li {
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav-list a {
    display: block;
    padding: var(--space-md) 0;
    color: var(--color-text-primary);
    font-size: 1.125rem;
}

.mobile-nav-list a.nav-active {
    color: var(--color-primary);
}

/* ========================================
   Main Content
   ======================================== */
.site-main {
    padding-top: var(--header-height);
    min-height: calc(100vh - var(--header-height));
}

.content-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

/* Blog Header */
.blog-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.blog-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
    .blog-title {
        font-size: 3rem;
    }
}

.blog-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .posts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .posts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Post Card */
.post-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.post-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.post-card-link {
    display: block;
    color: inherit;
}

.post-card-link:hover {
    color: inherit;
}

.post-card-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.post-card:hover .post-card-image img {
    transform: scale(1.05);
}

.post-card-image-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.post-card-image-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--color-text-secondary);
    opacity: 0.5;
}

.post-card-content {
    padding: var(--space-lg);
}

.post-card-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.post-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.post-card-excerpt {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.post-card-separator {
    opacity: 0.5;
}

/* ========================================
   Single Post
   ======================================== */
.single-post {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.post-header {
    margin-bottom: var(--space-xl);
}

.post-header-content {
    text-align: center;
}

.post-category {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.post-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    line-height: 1.3;
}

@media (min-width: 768px) {
    .post-title {
        font-size: 2.5rem;
    }
}

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

.post-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.post-author img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.author-info {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.author-name {
    font-weight: 500;
    color: var(--color-text-primary);
    font-size: 0.9375rem;
}

.post-date {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.post-reading-time {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.post-featured-image {
    margin-bottom: var(--space-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.post-featured-image img {
    width: 100%;
    height: auto;
}

/* Post Content Styles */
.post-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.post-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-md);
}

.post-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
}

.post-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.post-content p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
    color: var(--color-text-secondary);
}

.post-content li {
    margin-bottom: var(--space-sm);
}

.post-content blockquote {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.post-content blockquote p {
    margin-bottom: 0;
    font-style: italic;
}

.post-content pre,
.post-content code {
    font-family: var(--font-mono);
}

.post-content code {
    font-size: 0.875em;
    padding: 0.2em 0.4em;
    background: var(--color-bg-card);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.post-content pre {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.post-content pre code {
    padding: 0;
    background: none;
    color: var(--color-text-primary);
}

.post-content img {
    margin: var(--space-xl) 0;
    border-radius: var(--radius-md);
}

.post-content a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Post Footer */
.post-footer {
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.tag {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-primary);
    color: var(--color-bg-main);
}

.post-share {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.post-share span {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.share-buttons {
    display: flex;
    gap: var(--space-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.share-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-main);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

.share-btn.copied {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-main);
}

/* Author Bio */
.author-bio {
    display: flex;
    gap: var(--space-lg);
    max-width: var(--content-width);
    margin: var(--space-2xl) auto;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.author-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.author-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.author-details p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Related Posts */
.related-posts {
    max-width: var(--max-width);
    margin: var(--space-3xl) auto;
    padding: 0 var(--space-lg);
}

.related-posts h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
}

/* Comments */
.comments-section {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.comments-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xl);
}

.comment-list {
    list-style: none;
}

.comment {
    padding: var(--space-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.comment-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.comment-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.comment-author .fn {
    font-weight: 500;
    color: var(--color-text-primary);
}

.comment-metadata {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.comment-content {
    color: var(--color-text-secondary);
}

.comment-respond {
    margin-top: var(--space-xl);
}

.comment-reply-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

.comment-form label {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    margin-bottom: var(--space-md);
    transition: border-color var(--transition-fast);
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.comment-form .submit {
    background: var(--color-primary);
    color: var(--color-bg-main);
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.comment-form .submit:hover {
    background: var(--color-primary-hover);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    margin-top: var(--space-2xl);
    display: flex;
    justify-content: center;
}

.pagination .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.pagination a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination .current {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-main);
}

.pagination svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Archive
   ======================================== */
.archive-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.archive-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.archive-description {
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* No Posts */
.no-posts {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
}

.no-posts h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.no-posts p {
    color: var(--color-text-secondary);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .footer-top {
        grid-template-columns: 1fr 2fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-primary);
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
}

.footer-logo:hover {
    color: var(--color-text-primary);
}

.footer-logo .logo-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ========================================
   WordPress Core Styles
   ======================================== */
.alignleft {
    float: left;
    margin-right: var(--space-lg);
    margin-bottom: var(--space-md);
}

.alignright {
    float: right;
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

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

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: var(--space-sm);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

.gallery-item {
    margin: 0;
}

.gallery-icon img {
    border-radius: var(--radius-md);
}

/* Screen reader text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* ========================================
   Utility Classes
   ======================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}