/*
Theme Name: TiedUp Blog Theme
Theme URI: https://tiedup.app/blog
Author: TiedUp
Author URI: https://tiedup.app
Description: A dark-mode WordPress blog theme that mirrors the look and feel of tiedup.app. Built for the official TiedUp blog at tiedup.app/blog.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tu-blog-theme
Tags: dark, blog, one-column, two-columns, custom-header, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* =========================================================
   CSS Custom Properties — TiedUp Dark Palette
   ========================================================= */
:root {
    /* Backgrounds — dark aubergine/purple-black base matching tiedup.app */
    --color-bg:          #09080f;
    --color-bg-elevated: #0d0b17;
    --color-bg-card:     #131120;
    --color-bg-input:    #1a172b;
    --color-bg-hover:    #201d2e;

    /* Borders */
    --color-border:        #2a2540;
    --color-border-subtle: #1c1a2b;

    /* Text */
    --color-text-primary:   #f1f0f5;
    --color-text-secondary: #a89fc0;
    --color-text-muted:     #6b6285;
    --color-text-inverse:   #09080f;

    /* Brand / Accent — TiedUp Pink/Magenta */
    --color-accent:        #d946ef;
    --color-accent-dark:   #a21caf;
    --color-accent-light:  #e879f9;
    --color-accent-glow:   rgba(217, 70, 239, 0.18);
    --color-accent-border: rgba(217, 70, 239, 0.3);
    --color-accent-active: rgba(217, 70, 239, 0.4);

    /* Status */
    --color-success: #34d399;
    --color-warning: #fbbf24;
    --color-error:   #f87171;

    /* Typography */
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    --font-mono:  'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-serif: Georgia, 'Times New Roman', serif;

    --font-size-xs:   0.75rem;
    --font-size-sm:   0.875rem;
    --font-size-base: 1rem;
    --font-size-lg:   1.125rem;
    --font-size-xl:   1.25rem;
    --font-size-2xl:  1.5rem;
    --font-size-3xl:  1.875rem;
    --font-size-4xl:  2.25rem;
    --font-size-5xl:  3rem;

    --line-height-tight:  1.25;
    --line-height-normal: 1.6;
    --line-height-loose:  1.8;

    /* Spacing */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-5:  1.25rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Radius */
    --radius-sm:   0.375rem;
    --radius-md:   0.5rem;
    --radius-lg:   0.75rem;
    --radius-xl:   1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 2px rgba(0, 0, 0, 0.6);
    --shadow-md:  0 4px 6px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(217, 70, 239, 0.08);
    --shadow-lg:  0 10px 25px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(217, 70, 239, 0.1);
    --shadow-glow: 0 0 24px rgba(217, 70, 239, 0.35);

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

    /* Layout */
    --container-width:      1440px;
    --container-content:    960px;
    --sidebar-width:        320px;
    --header-height:        64px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text-primary);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

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

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

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

ul,
ol {
    list-style: none;
}

button,
input,
select,
textarea {
    font-family: inherit;
    font-size: inherit;
}

table {
    border-collapse: collapse;
    width: 100%;
}

/* =========================================================
   Layout Utilities
   ========================================================= */
.container {
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.content-container {
    max-width: var(--container-content);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.site-layout {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: var(--space-12);
    max-width: var(--container-width);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.site-layout.no-sidebar {
    grid-template-columns: 1fr;
    max-width: var(--container-content);
}

.site-layout--archive.no-sidebar {
    max-width: var(--container-width);
}

/* =========================================================
   Site Header
   ========================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(9, 8, 15, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/* Logo */
.site-branding {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.site-branding:hover {
    opacity: 0.9;
}

.site-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.site-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #e2e8f0 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-title-badge {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-accent);
    background-color: var(--color-accent-glow);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--radius-full);
    padding: 2px 8px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.main-navigation ul {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.main-navigation a {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.main-navigation a:hover,
.main-navigation .current-menu-item > a,
.main-navigation .current_page_item > a {
    color: var(--color-text-primary);
    background-color: var(--color-bg-hover);
}

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: #fff !important;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.header-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--space-2);
    color: var(--color-text-primary);
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: currentColor;
    border-radius: 2px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* =========================================================
   Hero / Page Banner
   ========================================================= */
.page-hero {
    padding: var(--space-16) 0 var(--space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(217, 70, 239, 0.14) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-hero-eyebrow::before {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.page-hero-eyebrow::after {
    content: '';
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.page-hero h1 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.page-hero p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 560px;
    margin-inline: auto;
    line-height: var(--line-height-loose);
}

/* =========================================================
   Post Cards Grid
   ========================================================= */
.posts-grid {
    display: grid;
    align-items: start;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
    padding-block: var(--space-8);
}

.posts-grid--archive {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
    gap: var(--space-4);
    padding-block: var(--space-5);
}

.site-layout--archive.no-sidebar .posts-grid--archive {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.posts-grid--archive .post-card-body {
    padding: var(--space-4);
}

.posts-grid--archive .post-card--no-image .post-card-body {
    padding: var(--space-5);
}

.posts-grid--archive .post-card-meta {
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.posts-grid--archive .post-card-title {
    margin-bottom: var(--space-2);
}

.posts-grid--archive .post-card-excerpt {
    margin-bottom: var(--space-4);
    -webkit-line-clamp: 2;
}

.posts-grid--archive .post-card-footer {
    padding-top: var(--space-3);
}

.posts-grid--archive .post-card-author-avatar {
    width: 24px;
    height: 24px;
}

.posts-grid--archive .post-card-thumbnail {
    aspect-ratio: 3 / 2;
}

.post-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.post-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent-active);
    box-shadow: var(--shadow-glow);
}

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

.post-card-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 400ms ease;
}

.post-card:hover .post-card-thumbnail img {
    transform: scale(1.04);
}

.post-card--no-image .post-card-body {
    padding: var(--space-8);
}

.post-card--no-image .post-card-title {
    font-size: var(--font-size-xl);
}

.post-card--no-image .post-card-excerpt {
    -webkit-line-clamp: 4;
}

.post-card-body {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.post-card-category {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    background-color: var(--color-accent-glow);
    border: 1px solid var(--color-accent-border);
    color: var(--color-accent-light);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

.post-card-category:hover {
    background-color: rgba(217, 70, 239, 0.28);
    color: var(--color-accent-light);
}

.post-card-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.post-card-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-3);
}

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

.post-card-title a:hover {
    color: var(--color-accent-light);
}

.post-card-excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
    flex: 1;
    margin-bottom: var(--space-5);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-subtle);
    margin-top: auto;
}

.post-card-author {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.post-card-author-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--color-accent-glow);
    border: 1px solid var(--color-border);
}

.post-card-author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-card-author-name {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.post-card-read-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* Featured Post Card */
.post-card.post-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.post-card--featured.post-card--no-image {
    grid-template-columns: 1fr;
}

.post-card--featured .post-card-thumbnail {
    aspect-ratio: auto;
    min-height: 260px;
}

.post-card--featured .post-card-body {
    padding: var(--space-8);
}

.post-card--featured.post-card--no-image .post-card-body {
    padding: var(--space-10) var(--space-8);
}

.post-card--featured .post-card-title {
    font-size: var(--font-size-2xl);
}

/* =========================================================
   Single Post
   ========================================================= */
.single-post {
    padding-block: var(--space-12);
}

.single-post-header {
    max-width: var(--container-content);
    margin: 0 auto var(--space-10);
    padding-inline: var(--space-6);
    text-align: center;
}

.single-post-eyebrow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.single-post-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-5);
}

.single-post-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
    margin-bottom: var(--space-6);
}

.single-post-author-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: inline-flex;
}

.single-post-author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    flex-shrink: 0;
}

.single-post-author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.single-post-author-info {
    text-align: left;
}

.single-post-author-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    display: block;
}

.single-post-author-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.single-post-divider {
    width: 1px;
    height: 28px;
    background-color: var(--color-border);
}

.single-post-featured-image {
    max-width: var(--container-width);
    margin: 0 auto var(--space-12);
    padding-inline: var(--space-6);
}

.single-post-featured-image img {
    width: 100%;
    max-height: 540px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
}

/* =========================================================
   Post Content (entry-content)
   ========================================================= */
.entry-content {
    max-width: var(--container-content);
    margin-inline: auto;
    padding-inline: var(--space-6);
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-loose);
}

.entry-content > * + * {
    margin-top: var(--space-6);
}

.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-top: var(--space-10);
    margin-bottom: var(--space-3);
}

.entry-content h2 { font-size: var(--font-size-2xl); }
.entry-content h3 { font-size: var(--font-size-xl); }
.entry-content h4 { font-size: var(--font-size-lg); }

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

.entry-content a {
    color: var(--color-accent-light);
    text-decoration: underline;
    text-decoration-color: rgba(232, 121, 249, 0.4);
    text-underline-offset: 3px;
    transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

.entry-content a:hover {
    color: var(--color-accent);
    text-decoration-color: var(--color-accent);
}

.entry-content ul,
.entry-content ol {
    padding-left: var(--space-6);
    color: var(--color-text-secondary);
}

.entry-content ul { list-style: disc; }
.entry-content ol { list-style: decimal; }

.entry-content li { margin-top: var(--space-2); }

.entry-content blockquote {
    border-left: 3px solid var(--color-accent);
    padding: var(--space-4) var(--space-6);
    background-color: var(--color-bg-card);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--color-text-secondary);
    font-style: italic;
    font-size: var(--font-size-lg);
}

.entry-content blockquote cite {
    display: block;
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
    font-style: normal;
    color: var(--color-text-muted);
}

.entry-content pre {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.entry-content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    color: var(--color-accent-light);
}

.entry-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.entry-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin-block: var(--space-10);
}

.entry-content table {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-size: var(--font-size-sm);
}

.entry-content th,
.entry-content td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-subtle);
    text-align: left;
}

.entry-content th {
    background-color: var(--color-bg-card);
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

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

.entry-content img {
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.entry-content .wp-block-image figcaption,
.entry-content figcaption {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* =========================================================
   Post Tags / Share
   ========================================================= */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    max-width: var(--container-content);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.post-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-full);
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.post-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
}

/* =========================================================
   Author Bio Box
   ========================================================= */
.author-bio {
    max-width: var(--container-content);
    margin: var(--space-12) auto;
    padding: var(--space-8);
    padding-inline: calc(var(--space-6) + var(--space-8));
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    gap: var(--space-6);
    align-items: flex-start;
}

.author-bio-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    flex-shrink: 0;
    border: 2px solid var(--color-border);
}

.author-bio-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-bio-content h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.author-bio-content .author-role {
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-3);
}

.author-bio-content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
}

/* =========================================================
   Post Navigation
   ========================================================= */
.post-navigation {
    max-width: var(--container-content);
    margin: var(--space-12) auto;
    padding-inline: var(--space-6);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.nav-prev,
.nav-next {
    padding: var(--space-5);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition-fast);
}

.nav-prev:hover,
.nav-next:hover {
    border-color: var(--color-accent-active);
}

.nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-2);
}

.nav-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

/* =========================================================
   Sidebar
   ========================================================= */
.sidebar {
    padding-block: var(--space-8);
}

.widget {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.widget-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-subtle);
}

.widget ul li {
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.widget ul li:last-child {
    border-bottom: none;
}

.widget ul li a {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.widget ul li a:hover {
    color: var(--color-accent-light);
}

.widget_search .search-form {
    display: flex;
    gap: var(--space-2);
}

.widget_search .search-field {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

.widget_search .search-field:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.widget_search .search-submit {
    padding: var(--space-2) var(--space-3);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: opacity var(--transition-fast);
}

.widget_search .search-submit:hover {
    opacity: 0.85;
}

/* Newsletter Widget */
.widget-newsletter p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-loose);
}

.widget-newsletter input[type="email"] {
    width: 100%;
    padding: var(--space-3);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-3);
    transition: border-color var(--transition-fast);
}

.widget-newsletter input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent);
}

.widget-newsletter input[type="email"]::placeholder {
    color: var(--color-text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: #fff;
    width: 100%;
}

.btn-secondary {
    background-color: var(--color-bg-hover);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

/* =========================================================
   Pagination
   ========================================================= */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding-block: var(--space-12);
}

.pagination a,
.pagination span,
.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
    text-decoration: none;
}

.pagination a:hover,
.page-numbers a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-light);
    background-color: var(--color-accent-glow);
}

.pagination .current,
.page-numbers.current {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    border-color: transparent;
    color: #fff;
}

.pagination .prev,
.pagination .next,
.page-numbers.prev,
.page-numbers.next {
    width: auto;
    padding-inline: var(--space-4);
    gap: var(--space-2);
}

/* =========================================================
   Comments
   ========================================================= */
.comments-section {
    max-width: var(--container-content);
    margin: var(--space-12) auto;
    padding-inline: var(--space-6);
}

.comments-section h2 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-8);
    color: var(--color-text-primary);
}

.comment-list {
    margin-bottom: var(--space-10);
}

.comment {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
}

.comment.bypostauthor {
    border-color: var(--color-accent-active);
}

.comment-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.comment-content-wrapper {
    flex: 1;
    min-width: 0;
}

.comment-meta {
    display: flex;
    align-items: baseline;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.comment-author-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
}

.comment-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.comment-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-loose);
}

.comment-text p + p {
    margin-top: var(--space-3);
}

.comment-reply-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.comment-reply-link:hover {
    color: var(--color-accent-light);
}

/* Comment Form */
.comment-respond {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.comment-respond h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-6);
    color: var(--color-text-primary);
}

.comment-form label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: var(--space-3);
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
    margin-bottom: var(--space-4);
}

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

.comment-form input::placeholder,
.comment-form textarea::placeholder {
    color: var(--color-text-muted);
}

.comment-form textarea {
    min-height: 130px;
    resize: vertical;
}

.comment-form-author,
.comment-form-email,
.comment-form-url {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-submit input[type="submit"],
.form-submit .submit {
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.form-submit input[type="submit"]:hover,
.form-submit .submit:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* =========================================================
   Search Form (Global)
   ========================================================= */
.search-form {
    display: flex;
    gap: var(--space-3);
    max-width: 480px;
    margin-inline: auto;
}

.search-field {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

.search-field:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

.search-submit {
    padding: var(--space-3) var(--space-5);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: opacity var(--transition-fast);
}

.search-submit:hover {
    opacity: 0.85;
}

/* =========================================================
   404 Page
   ========================================================= */
.error-404 {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-20) var(--space-6);
}

.error-404 .error-code {
    font-size: 7rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-4);
}

.error-404 h1 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.error-404 p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 400px;
}

/* =========================================================
   Site Footer
   ========================================================= */
.site-footer {
    margin-top: var(--space-20);
    border-top: 1px solid var(--color-border-subtle);
    background-color: var(--color-bg-elevated);
}

.footer-inner {
    padding-block: var(--space-12) var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: var(--line-height-loose);
    margin-top: var(--space-3);
    max-width: 280px;
}

.footer-heading {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-light);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-bottom-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-4);
}

.footer-bottom-links a {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-text-secondary);
}

/* =========================================================
   Accessibility
   ========================================================= */
.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;
}

.skip-link {
    background: var(--color-accent);
    color: #fff;
    font-size: var(--font-size-sm);
    font-weight: 600;
    left: 0.5rem;
    padding: var(--space-3) var(--space-4);
    position: absolute;
    text-decoration: none;
    top: -999px;
    border-radius: var(--radius-md);
    z-index: 9999;
}

.skip-link:focus {
    top: 0.5rem;
}

/* =========================================================
   WordPress Required Classes
   ========================================================= */
.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.alignleft {
    float: left;
    margin-right: var(--space-6);
    margin-bottom: var(--space-4);
}

.alignright {
    float: right;
    margin-left: var(--space-6);
    margin-bottom: var(--space-4);
}

.aligncenter {
    display: block;
    margin-inline: auto;
}

.alignwide {
    max-width: calc(var(--container-content) + 200px);
    margin-inline: auto;
}

.alignfull {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
}

/* Sticky post */
.sticky .post-card-title::before {
    content: '📌 ';
}

/* =========================================================
   Gutenberg Block Styles
   ========================================================= */
.wp-block-separator {
    border-color: var(--color-border);
}

.wp-block-quote {
    border-left-color: var(--color-accent);
    background-color: var(--color-bg-card);
    padding: var(--space-4) var(--space-6);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.wp-block-code {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-accent-light);
    font-family: var(--font-mono);
}

.wp-block-pullquote {
    border-top: 4px solid var(--color-accent);
    border-bottom: 4px solid var(--color-accent);
}

.wp-block-pullquote blockquote {
    color: var(--color-text-primary);
    font-size: var(--font-size-xl);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
    .site-layout {
        grid-template-columns: 1fr;
        max-width: var(--container-content);
    }

    .posts-grid--archive,
    .site-layout--archive.no-sidebar .posts-grid--archive {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sidebar {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .post-card--featured {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }

    .main-navigation ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-bg-elevated);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-4);
    }

    .main-navigation.is-open ul {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .posts-grid,
    .posts-grid--archive,
    .site-layout--archive.no-sidebar .posts-grid--archive {
        grid-template-columns: 1fr;
    }

    .post-navigation {
        grid-template-columns: 1fr;
    }

    .author-bio {
        flex-direction: column;
    }

    .comment-form-author,
    .comment-form-email,
    .comment-form-url {
        grid-template-columns: 1fr;
    }

    .page-hero {
        padding: var(--space-10) 0 var(--space-6);
    }

    .single-post-author-bar {
        flex-direction: column;
        text-align: center;
    }

    .single-post-divider {
        width: 60px;
        height: 1px;
    }
}

@media (max-width: 480px) {
    .container,
    .content-container {
        padding-inline: var(--space-4);
    }
}

/* =========================================================
   Print
   ========================================================= */
@media print {
    .site-header,
    .site-footer,
    .sidebar,
    .post-navigation,
    .comments-section {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
    }

    .entry-content {
        color: #000;
    }
}