/*
Theme Name: HaiBlog
Theme URI: https://github.com/haiblog
Author: HaiBlog
Author URI: https://haiblog.dev
Description: A Windows 98 retro pixel-style WordPress theme for personal tech blogs. Features left sidebar TOC, code highlighting, and dark mode.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 8.1
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: haiblog
Tags: blog, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ==========================================================================
   CSS CUSTOM PROPERTIES — Windows 98 Design Tokens
   ========================================================================== */
:root {
    /* Core Windows 98 Palette */
    --win98-desktop:       #008080;
    --win98-navy:          #000080;
    --win98-silver:        #C0C0C0;
    --win98-white:         #FFFFFF;
    --win98-black:         #000000;
    --win98-dark-gray:     #808080;
    --win98-mid-gray:      #A0A0A0;
    --win98-light-gray:    #D4D0C8;
    --win98-title-bar:     #000080;
    --win98-title-text:    #FFFFFF;
    --win98-highlight:     #000080;
    --win98-highlight-text:#FFFFFF;
    --win98-button-face:   #D4D0C8;
    --win98-button-text:   #000000;
    --win98-window-bg:     #FFFFFF;
    --win98-menu-bg:       #D4D0C8;

    /* 3D Border Colors (light source top-left) */
    --win98-border-light:  #FFFFFF;
    --win98-border-dark:   #808080;
    --win98-border-darker: #404040;
    --win98-border-mid:    #C0C0C0;

    /* Layout */
    --sidebar-width:       220px;
    --statusbar-height:    28px;
    --titlebar-height:     36px;
    --content-max:         900px;

    /* Typography */
    --font-mono:           'Courier New', Courier, monospace;
    --font-ui:             'Courier New', Courier, monospace;
    --font-size-base:      14px;
    --font-size-sm:        12px;
    --font-size-xs:        11px;
    --line-height-base:    1.6;

    /* Spacing */
    --space-xs:  4px;
    --space-sm:  8px;
    --space-md:  12px;
    --space-lg:  16px;
    --space-xl:  24px;
    --space-2xl: 32px;

    /* Semantic colors (light mode) */
    --bg-desktop:     var(--win98-desktop);
    --bg-window:      var(--win98-window-bg);
    --bg-sidebar:     var(--win98-light-gray);
    --bg-titlebar:    var(--win98-title-bar);
    --bg-button:      var(--win98-button-face);
    --bg-statusbar:   var(--win98-light-gray);
    --text-primary:   var(--win98-black);
    --text-secondary: var(--win98-dark-gray);
    --text-titlebar:  var(--win98-title-text);
    --text-link:      var(--win98-navy);
    --text-link-visited: #800080;
    --border-raised-tl: var(--win98-border-light);
    --border-raised-br: var(--win98-border-darker);
    --border-raised-tl2: var(--win98-border-mid);
    --border-raised-br2: var(--win98-border-dark);
    --border-sunken-tl: var(--win98-border-darker);
    --border-sunken-br: var(--win98-border-light);
}

/* ==========================================================================
   DARK MODE — CSS Variables Override
   ========================================================================== */
body.dark-mode {
    --bg-desktop:      #0d0d1a;
    --bg-window:       #1a1a2e;
    --bg-sidebar:      #16213e;
    --bg-titlebar:     #0f3460;
    --bg-button:       #1a1a2e;
    --bg-statusbar:    #16213e;
    --text-primary:    #e0e0e0;
    --text-secondary:  #a0a0b0;
    --text-titlebar:   #e0e0e0;
    --text-link:       #6495ed;
    --text-link-visited: #9c70c4;
    --border-raised-tl: #3a3a5c;
    --border-raised-br: #000000;
    --border-raised-tl2: #2a2a4a;
    --border-raised-br2: #050510;
    --border-sunken-tl: #000000;
    --border-sunken-br: #3a3a5c;
    --win98-light-gray: #1a1a2e;
    --win98-silver:     #2a2a4a;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ui);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    background-color: var(--bg-desktop);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    /* Windows 98 desktop pattern */
    background-image: none;
}

a {
    color: var(--text-link);
    text-decoration: underline;
}

a:visited {
    color: var(--text-link-visited);
}

a:hover {
    color: var(--win98-navy);
    text-decoration: none;
}

body.dark-mode a:hover {
    color: #88aaff;
}

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

ul, ol {
    padding-left: var(--space-xl);
}

p {
    margin-bottom: var(--space-md);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-ui);
    font-weight: bold;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

h1 { font-size: 1.4rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1.1rem; }
h4, h5, h6 { font-size: 1rem; }

hr {
    border: none;
    border-top: 1px solid var(--win98-dark-gray);
    border-bottom: 1px solid var(--win98-border-light);
    margin: var(--space-lg) 0;
}

/* ==========================================================================
   WINDOWS 98 UTILITY BORDERS & EFFECTS
   ========================================================================== */

/* Raised (凸起) — looks like a button or panel sticking up */
.win98-raised {
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

.win98-raised-outer {
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    box-shadow:
        inset 1px 1px 0 var(--border-raised-tl2),
        inset -1px -1px 0 var(--border-raised-br2);
}

/* Sunken (凹陷) — looks like a pressed button or input field */
.win98-sunken {
    border-top:    2px solid var(--border-sunken-tl);
    border-left:   2px solid var(--border-sunken-tl);
    border-bottom: 2px solid var(--border-sunken-br);
    border-right:  2px solid var(--border-sunken-br);
}

.win98-sunken-inner {
    border-top:    2px solid var(--border-raised-br);
    border-left:   2px solid var(--border-raised-br);
    border-bottom: 2px solid var(--border-raised-tl);
    border-right:  2px solid var(--border-raised-tl);
    box-shadow:
        inset 1px 1px 0 var(--border-raised-br2),
        inset -1px -1px 0 var(--border-raised-tl2);
}

/* ==========================================================================
   WINDOWS 98 BUTTON
   ========================================================================== */
.win98-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 3px 10px;
    background-color: var(--bg-button);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    font-weight: normal;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    box-shadow:
        inset 1px 1px 0 var(--border-raised-tl2),
        inset -1px -1px 0 var(--border-raised-br2);
    min-width: 75px;
    min-height: 23px;
    border-radius: 0;
    outline: none;
    transition: none;
}

.win98-btn:hover {
    text-decoration: none;
    color: var(--text-primary);
}

.win98-btn:active,
.win98-btn.pressed {
    border-top:    2px solid var(--border-raised-br);
    border-left:   2px solid var(--border-raised-br);
    border-bottom: 2px solid var(--border-raised-tl);
    border-right:  2px solid var(--border-raised-tl);
    box-shadow:
        inset 1px 1px 0 var(--border-raised-br2),
        inset -1px -1px 0 var(--border-raised-tl2);
    padding: 4px 9px 2px 11px;
}

.win98-btn:focus {
    outline: 1px dotted var(--text-primary);
    outline-offset: -4px;
}

/* Small close/min/max buttons */
.win98-btn-sm {
    min-width: 16px;
    min-height: 14px;
    padding: 0 2px;
    font-size: 10px;
    font-weight: bold;
    line-height: 1;
}

/* ==========================================================================
   TITLE BAR (Window chrome)
   ========================================================================== */
.win98-titlebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 3px 4px 3px 6px;
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    font-size: var(--font-size-sm);
    font-weight: bold;
    user-select: none;
    gap: var(--space-sm);
    min-height: var(--titlebar-height);
}

body.dark-mode .win98-titlebar {
    background: linear-gradient(to right, #0f3460, #533483);
}

.win98-titlebar__icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.win98-titlebar__title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--font-size-sm);
    font-weight: bold;
}

.win98-titlebar__controls {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

/* ==========================================================================
   WINDOWS FRAME (outer window shell)
   ========================================================================== */
.win98-window {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    box-shadow:
        inset 1px 1px 0 var(--border-raised-tl2),
        inset -1px -1px 0 var(--border-raised-br2);
}

.win98-window__body {
    background-color: var(--bg-window);
    padding: var(--space-lg);
    border-top:    2px solid var(--border-sunken-tl);
    border-left:   2px solid var(--border-sunken-tl);
    border-bottom: 2px solid var(--border-sunken-br);
    border-right:  2px solid var(--border-sunken-br);
}

/* ==========================================================================
   PAGE LAYOUT
   ========================================================================== */
.haiblog-desktop {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.haiblog-main-area {
    flex: 1;
    display: flex;
    width: 100%;
    margin: var(--space-lg) 0;
    padding: 0 var(--space-sm);
    gap: var(--space-lg);
    align-items: stretch;
}

/* The entire viewport "window" */
.haiblog-viewport {
    width: 100%;
    margin: 0;
    padding: var(--space-sm);
}

/* ==========================================================================
   SITE HEADER
   ========================================================================== */
#site-header {
    background-color: var(--bg-button);
    border-bottom: 2px solid var(--border-raised-br);
    box-shadow: 0 2px 0 var(--border-raised-br2);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
    width: 100%;
    padding: 0 var(--space-sm);
}

/* Header title bar strip */
.site-header__titlebar {
    display: flex;
    align-items: center;
    width: 100%;
    background: linear-gradient(to right, var(--win98-navy), #1084d0);
    padding: 3px var(--space-lg);
    gap: var(--space-md);
}

body.dark-mode .site-header__titlebar {
    background: linear-gradient(to right, #0f3460, #533483);
}

.site-header__titlebar-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.site-title-link {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    letter-spacing: 1px;
    flex: 1;
}

.site-title-link:hover {
    color: #FFFFFF;
    text-decoration: none;
}

.site-title-link:visited {
    color: #FFFFFF;
}

.site-header__controls {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--bg-button);
    width: 100%;
    flex-wrap: wrap;
}

/* Search form in header */
.header-search-form {
    display: flex;
    gap: 2px;
    align-items: center;
    flex: 1;
    max-width: 300px;
}

.header-search-form label {
    font-size: var(--font-size-sm);
    white-space: nowrap;
    color: var(--text-primary);
}

.header-search-input {
    flex: 1;
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    padding: 2px 4px;
    background-color: var(--bg-window);
    color: var(--text-primary);
    border-top:    2px solid var(--border-sunken-tl);
    border-left:   2px solid var(--border-sunken-tl);
    border-bottom: 2px solid var(--border-sunken-br);
    border-right:  2px solid var(--border-sunken-br);
    outline: none;
    min-width: 0;
}

.header-search-input:focus {
    outline: 1px dotted var(--text-primary);
    outline-offset: 1px;
}

/* Dark mode toggle button */
#dark-mode-toggle {
    font-size: var(--font-size-xs);
    padding: 2px 6px;
    min-width: auto;
    gap: 3px;
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */
#sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--titlebar-height) + 40px);
    max-height: calc(100vh - var(--titlebar-height) - var(--statusbar-height) - 60px);
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-self: flex-start;
}

/* Custom scrollbar for sidebar */
#sidebar::-webkit-scrollbar {
    width: 16px;
}

#sidebar::-webkit-scrollbar-track {
    background: var(--bg-button);
    border-left: 1px solid var(--border-raised-br);
}

#sidebar::-webkit-scrollbar-thumb {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

/* Sidebar panel */
.sidebar-panel {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    overflow: hidden;
}

.sidebar-panel__header {
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    font-size: var(--font-size-xs);
    font-weight: bold;
    padding: 3px 6px;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: default;
    user-select: none;
}

body.dark-mode .sidebar-panel__header {
    background: linear-gradient(to right, #0f3460, #533483);
}

.sidebar-panel__body {
    padding: var(--space-sm);
    background-color: var(--bg-window);
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
    margin: var(--space-xs);
}

/* Sidebar navigation menu */
.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    border-bottom: 1px solid var(--win98-light-gray);
}

body.dark-mode .sidebar-nav li {
    border-bottom-color: var(--border-raised-br2);
}

.sidebar-nav li:last-child {
    border-bottom: none;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px var(--space-xs);
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-nav a::before {
    content: '>';
    color: var(--win98-dark-gray);
    font-size: var(--font-size-xs);
    flex-shrink: 0;
}

.sidebar-nav a:hover,
.sidebar-nav .current-menu-item > a,
.sidebar-nav .current_page_item > a {
    background-color: var(--win98-highlight);
    color: var(--win98-highlight-text);
    text-decoration: none;
}

.sidebar-nav a:hover::before,
.sidebar-nav .current-menu-item > a::before {
    color: var(--win98-highlight-text);
}

/* ==========================================================================
   TABLE OF CONTENTS (TOC)
   ========================================================================== */
#toc-container {
    display: none; /* shown by JS on single posts */
}

#toc-container.has-toc {
    display: block;
}

#toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

#toc-list li {
    padding: 2px 0;
}

#toc-list a {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-primary);
    text-decoration: none;
    padding: 2px var(--space-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
}

#toc-list a:hover {
    background-color: var(--win98-highlight);
    color: var(--win98-highlight-text);
    text-decoration: none;
}

#toc-list a.active-toc {
    background-color: var(--win98-highlight);
    color: var(--win98-highlight-text);
}

/* H3 entries indented */
#toc-list .toc-h3 a {
    padding-left: calc(var(--space-xs) + var(--space-lg));
}

#toc-list .toc-h3 a::before {
    content: '- ';
}

#toc-list .toc-h2 a::before {
    content: '* ';
    color: var(--text-secondary);
}

#toc-list a.active-toc::before {
    color: var(--win98-highlight-text);
}

/* ==========================================================================
   MAIN CONTENT AREA
   ========================================================================== */
#main-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

/* ==========================================================================
   POST / ARTICLE CARDS (index, archive)
   ========================================================================== */
.post-card {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    overflow: hidden;
}

.post-card__titlebar {
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    padding: 3px 6px;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    font-weight: bold;
    user-select: none;
}

body.dark-mode .post-card__titlebar {
    background: linear-gradient(to right, #0f3460, #533483);
}

.post-card__titlebar .win98-btn-sm {
    margin-left: auto;
}

.post-card__body {
    padding: var(--space-md);
    background-color: var(--bg-window);
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
    margin: var(--space-xs);
}

.post-card__title {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.post-card__title a {
    color: var(--text-link);
    text-decoration: none;
    font-weight: bold;
}

.post-card__title a:hover {
    text-decoration: underline;
}

.post-card__meta {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
}

.post-card__meta .meta-sep {
    color: var(--win98-dark-gray);
}

.post-card__excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    line-height: var(--line-height-base);
    margin-bottom: var(--space-md);
}

.post-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md) var(--space-sm);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    list-style: none;
    padding: 0;
    margin: 0;
}

.post-tag {
    font-size: var(--font-size-xs);
    padding: 1px 6px;
    background-color: var(--bg-button);
    color: var(--text-primary);
    text-decoration: none;
    border-top:    1px solid var(--border-raised-tl);
    border-left:   1px solid var(--border-raised-tl);
    border-bottom: 1px solid var(--border-raised-br);
    border-right:  1px solid var(--border-raised-br);
}

.post-tag:hover {
    background-color: var(--win98-highlight);
    color: var(--win98-highlight-text);
    text-decoration: none;
}

/* ==========================================================================
   SINGLE POST
   ========================================================================== */
.single-post-window {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

.single-post__titlebar {
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    padding: 4px var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    font-weight: bold;
}

body.dark-mode .single-post__titlebar {
    background: linear-gradient(to right, #0f3460, #533483);
}

.single-post__content-area {
    background-color: var(--bg-window);
    padding: var(--space-xl);
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
    margin: var(--space-xs);
}

.single-post__header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--bg-button);
}

.single-post__title {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.single-post__meta {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* Post body typography */
.entry-content h2 {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--win98-navy);
    color: #ffffff;
    font-size: 1.15rem;
}

body.dark-mode .entry-content h2 {
    background-color: #0f3460;
}

.entry-content h3 {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    padding-left: var(--space-sm);
    border-left: 4px solid var(--win98-navy);
    font-size: 1.05rem;
}

body.dark-mode .entry-content h3 {
    border-left-color: #6495ed;
}

.entry-content p {
    margin-bottom: var(--space-md);
    line-height: var(--line-height-base);
}

.entry-content ul,
.entry-content ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.entry-content li {
    margin-bottom: var(--space-xs);
}

.entry-content blockquote {
    margin: var(--space-md) 0;
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-sidebar);
    border-left: 4px solid var(--win98-navy);
    font-style: italic;
    border-top:    1px solid var(--border-sunken-tl);
    border-left-width: 4px;
    border-right:  1px solid var(--border-sunken-br);
    border-bottom: 1px solid var(--border-sunken-br);
}

body.dark-mode .entry-content blockquote {
    border-left-color: #6495ed;
}

/* Inline code */
.entry-content code:not([class]) {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background-color: var(--bg-sidebar);
    color: var(--win98-navy);
    padding: 1px 4px;
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
}

body.dark-mode .entry-content code:not([class]) {
    color: #88ccff;
    background-color: #16213e;
}

/* Code blocks (Prism.js) */
.entry-content pre {
    margin: var(--space-md) 0;
    border-top:    2px solid var(--border-sunken-tl);
    border-left:   2px solid var(--border-sunken-tl);
    border-bottom: 2px solid var(--border-sunken-br);
    border-right:  2px solid var(--border-sunken-br);
    overflow: auto;
    position: relative;
}

/* Language label on code blocks */
.entry-content pre[class*="language-"]::before {
    content: attr(data-language);
    display: block;
    background-color: var(--bg-button);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    padding: 2px var(--space-sm);
    border-bottom: 1px solid var(--border-raised-br);
    font-family: var(--font-ui);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
}

.entry-content th,
.entry-content td {
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--win98-dark-gray);
    text-align: left;
}

.entry-content th {
    background-color: var(--win98-navy);
    color: #ffffff;
    font-weight: bold;
}

body.dark-mode .entry-content th {
    background-color: #0f3460;
}

.entry-content tr:nth-child(even) {
    background-color: var(--bg-sidebar);
}

/* Post navigation */
.post-navigation {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 2px solid var(--bg-button);
}

.post-navigation a {
    font-size: var(--font-size-sm);
}

/* ==========================================================================
   PAGINATION
   ========================================================================== */
.pagination {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    align-items: center;
    margin-top: var(--space-md);
    justify-content: center;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 23px;
    padding: 0 var(--space-xs);
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    text-decoration: none;
    color: var(--text-primary);
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

.pagination .page-numbers:hover {
    background-color: var(--win98-highlight);
    color: var(--win98-highlight-text);
    text-decoration: none;
}

.pagination .page-numbers.current {
    border-top:    2px solid var(--border-raised-br);
    border-left:   2px solid var(--border-raised-br);
    border-bottom: 2px solid var(--border-raised-tl);
    border-right:  2px solid var(--border-raised-tl);
    background-color: var(--bg-button);
    cursor: default;
}

/* ==========================================================================
   ARCHIVE PAGE
   ========================================================================== */
.archive-window {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

.archive-window__titlebar {
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    padding: 3px var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

body.dark-mode .archive-window__titlebar {
    background: linear-gradient(to right, #0f3460, #533483);
}

.archive-window__body {
    padding: var(--space-lg);
    background-color: var(--bg-window);
    margin: var(--space-xs);
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
}

.archive-year {
    margin-bottom: var(--space-xl);
}

.archive-year__heading {
    font-size: 1.1rem;
    margin-bottom: var(--space-sm);
    padding: 2px var(--space-sm);
    background-color: var(--win98-navy);
    color: #ffffff;
    display: inline-block;
}

body.dark-mode .archive-year__heading {
    background-color: #0f3460;
}

.archive-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
}

.archive-list li {
    display: flex;
    gap: var(--space-md);
    align-items: baseline;
    padding: 4px var(--space-sm);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right: 1px solid var(--border-sunken-br);
}

.archive-list li:hover {
    background-color: var(--win98-highlight);
    color: var(--win98-highlight-text);
}

.archive-list li:hover a {
    color: var(--win98-highlight-text);
}

.archive-date {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
    width: 100px;
}

.archive-list li:hover .archive-date {
    color: var(--win98-highlight-text);
}

.archive-title {
    font-size: var(--font-size-sm);
    flex: 1;
}

.archive-title a {
    color: var(--text-link);
    text-decoration: none;
}

.archive-list li:hover .archive-title a {
    color: var(--win98-highlight-text);
    text-decoration: none;
}

/* ==========================================================================
   SEARCH
   ========================================================================== */
.search-window {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

.search-window__titlebar {
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    padding: 3px var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

body.dark-mode .search-window__titlebar {
    background: linear-gradient(to right, #0f3460, #533483);
}

.search-window__body {
    padding: var(--space-lg);
    background-color: var(--bg-window);
    margin: var(--space-xs);
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
}

.search-header {
    margin-bottom: var(--space-lg);
}

.search-results-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--bg-sidebar);
    border: 1px solid var(--win98-dark-gray);
}

/* ==========================================================================
   404 PAGE — Error Dialog
   ========================================================================== */
.error-dialog-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
    padding: var(--space-xl);
}

.error-dialog {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    max-width: 420px;
    width: 100%;
    box-shadow: 4px 4px 0 rgba(0,0,0,0.4);
}

.error-dialog__titlebar {
    background: linear-gradient(to right, #a00000, #c00000);
    color: #ffffff;
    padding: 3px var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    font-weight: bold;
}

body.dark-mode .error-dialog__titlebar {
    background: linear-gradient(to right, #6a0000, #8b0000);
}

.error-dialog__body {
    padding: var(--space-xl);
    background-color: var(--bg-window);
    margin: var(--space-xs);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.error-dialog__icon-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.error-dialog__icon {
    font-size: 48px;
    flex-shrink: 0;
    line-height: 1;
}

.error-dialog__text h2 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.error-dialog__text p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.error-dialog__actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--win98-dark-gray);
}

/* ==========================================================================
   COMMENTS
   ========================================================================== */
.comments-section {
    margin-top: var(--space-xl);
}

.comments-section h2 {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    padding: 2px var(--space-sm);
    background-color: var(--win98-navy);
    color: #ffffff;
}

body.dark-mode .comments-section h2 {
    background-color: #0f3460;
}

.commentlist {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl);
}

.commentlist li {
    margin-bottom: var(--space-md);
}

.comment-body {
    background-color: var(--bg-button);
    border-top:    1px solid var(--border-raised-tl);
    border-left:   1px solid var(--border-raised-tl);
    border-bottom: 1px solid var(--border-raised-br);
    border-right:  1px solid var(--border-raised-br);
    padding: var(--space-sm);
}

.comment-author {
    font-size: var(--font-size-sm);
    font-weight: bold;
    margin-bottom: var(--space-xs);
}

.comment-meta {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.comment-content p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-xs);
}

/* Comment form */
.comment-form label {
    display: block;
    font-size: var(--font-size-sm);
    margin-bottom: 2px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    padding: 3px 4px;
    background-color: var(--bg-window);
    color: var(--text-primary);
    border-top:    2px solid var(--border-sunken-tl);
    border-left:   2px solid var(--border-sunken-tl);
    border-bottom: 2px solid var(--border-sunken-br);
    border-right:  2px solid var(--border-sunken-br);
    outline: none;
    margin-bottom: var(--space-sm);
}

.comment-form textarea {
    min-height: 100px;
    resize: vertical;
}

/* ==========================================================================
   STATUS BAR (footer)
   ========================================================================== */
#site-footer {
    background-color: var(--bg-button);
    border-top: 2px solid var(--border-raised-tl);
    position: sticky;
    bottom: 0;
    z-index: 900;
}

.statusbar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 2px var(--space-lg);
    height: var(--statusbar-height);
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: nowrap;
    overflow: hidden;
}

.statusbar__panel {
    font-size: var(--font-size-xs);
    padding: 1px var(--space-sm);
    color: var(--text-primary);
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.statusbar__panel--flex {
    flex: 1;
}

.statusbar__panel--clock {
    flex-shrink: 0;
    text-align: right;
    min-width: 90px;
}

/* ==========================================================================
   SCREEN READER / ACCESSIBILITY
   ========================================================================== */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.screen-reader-text:focus {
    clip: auto;
    display: block;
    font-size: 14px;
    font-weight: bold;
    height: auto;
    left: var(--space-lg);
    padding: var(--space-sm) var(--space-lg);
    top: var(--space-lg);
    width: auto;
    z-index: 9999;
    background-color: var(--bg-window);
    color: var(--text-primary);
    border: 2px solid var(--win98-navy);
    text-decoration: none;
}

/* ==========================================================================
   PAGE TEMPLATES
   ========================================================================== */
.page-window {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

.page-window__titlebar {
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    padding: 3px var(--space-md);
    font-size: var(--font-size-sm);
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

body.dark-mode .page-window__titlebar {
    background: linear-gradient(to right, #0f3460, #533483);
}

.page-window__body {
    padding: var(--space-xl);
    background-color: var(--bg-window);
    margin: var(--space-xs);
    border-top:    1px solid var(--border-sunken-tl);
    border-left:   1px solid var(--border-sunken-tl);
    border-bottom: 1px solid var(--border-sunken-br);
    border-right:  1px solid var(--border-sunken-br);
}

/* ==========================================================================
   NO POSTS MESSAGE
   ========================================================================== */
.no-posts {
    background-color: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    padding: var(--space-xl);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
    }

    .haiblog-main-area {
        flex-direction: column;
        padding: var(--space-sm);
        gap: var(--space-sm);
    }

    #sidebar {
        width: 100%;
        position: static;
        max-height: none;
        flex-direction: row;
        flex-wrap: wrap;
        overflow: visible;
    }

    .sidebar-panel {
        flex: 1;
        min-width: 160px;
    }

    #toc-container {
        display: none !important;
    }

    .single-post__content-area {
        padding: var(--space-md);
    }

    .statusbar {
        padding: 2px var(--space-sm);
    }

    .statusbar__panel--clock {
        min-width: 70px;
    }

    .header-search-form {
        max-width: 200px;
    }

    .post-card__body {
        padding: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .site-header__controls {
        flex-wrap: wrap;
        gap: var(--space-xs);
    }

    .header-search-form {
        max-width: 100%;
        flex: 1 1 100%;
    }

    .archive-date {
        width: 70px;
    }
}

/* ==========================================================================
   PRISM.JS OVERRIDES — Windows 98 aesthetic
   ========================================================================== */
code[class*="language-"],
pre[class*="language-"] {
    font-family: var(--font-mono) !important;
    font-size: var(--font-size-sm) !important;
}

pre[class*="language-"] {
    background-color: #000000 !important;
    color: #C0C0C0 !important;
}

body.dark-mode pre[class*="language-"] {
    background-color: #0a0a1a !important;
    color: #d0d0e0 !important;
}

/* Token colors — DOS/CGA palette feel */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
    color: #00aa00 !important; /* classic green comment */
}

.token.keyword,
.token.selector,
.token.important {
    color: #ffff00 !important; /* bright yellow keywords */
}

.token.string,
.token.attr-value {
    color: #ff8800 !important; /* orange strings */
}

.token.number,
.token.boolean {
    color: #00ffff !important; /* cyan numbers */
}

.token.function,
.token.attr-name {
    color: #ff00ff !important; /* magenta functions */
}

.token.operator,
.token.punctuation {
    color: #C0C0C0 !important;
}

.token.class-name,
.token.builtin {
    color: #00ffff !important;
}

/* ==========================================================================
   UTILITY
   ========================================================================== */
.text-muted {
    color: var(--text-secondary);
}

.text-sm {
    font-size: var(--font-size-sm);
}

.text-xs {
    font-size: var(--font-size-xs);
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.wp-post-image {
    max-width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--win98-dark-gray);
    margin-bottom: var(--space-md);
}

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

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

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

.clearfix::after {
    content: '';
    display: table;
    clear: both;
}

/* Copy code button */
.code-copy-btn {
    position: absolute;
    top: 30px;
    right: var(--space-xs);
    font-size: var(--font-size-xs);
    padding: 1px 6px;
    min-width: auto;
    min-height: auto;
    opacity: 0;
    transition: opacity 0.1s;
}

pre:hover .code-copy-btn {
    opacity: 1;
}

/* ==========================================================================
   HAIBLOG MENUBAR + DROPDOWN WIDGETS
   Windows 98 风格顶部导航菜单栏
   ========================================================================== */

.haiblog-menubar {
    background-color: var(--bg-button);
    border-bottom: 2px solid var(--border-raised-br);
    border-top: 1px solid var(--border-raised-tl);
    padding: 2px var(--space-sm);
    position: relative;
    z-index: 200;
}

.haiblog-menubar__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 2px;
}

.haiblog-menubar__item {
    position: relative;
}

/* Menubar button — Win98 style */
.haiblog-menubar__btn {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: transparent;
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
    transition: none;
}

.haiblog-menubar__btn:hover,
.haiblog-menubar__item.is-open .haiblog-menubar__btn,
.haiblog-menubar__btn.is-active {
    background-color: var(--win98-highlight);
    color: var(--win98-highlight-text);
    border-top:    2px solid var(--border-sunken-tl);
    border-left:   2px solid var(--border-sunken-tl);
    border-bottom: 2px solid var(--border-raised-tl);
    border-right:  2px solid var(--border-raised-tl);
}

.menubar-arrow {
    font-size: 10px;
    line-height: 1;
}

/* Dropdown panel */
.haiblog-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 500;
    background-color: var(--bg-window);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    box-shadow: 3px 3px 0 rgba(0,0,0,0.4);
    min-width: 480px;
    max-width: 90vw;
    max-height: 75vh;
    overflow-y: auto;
}

.haiblog-dropdown[hidden] {
    display: none;
}

.haiblog-dropdown__inner {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    padding: var(--space-sm);
}

/* Each category column */
.haiblog-dropdown__col {
    flex: 0 0 220px;
    min-width: 200px;
    padding: var(--space-xs) var(--space-sm);
    border-right: 1px solid var(--win98-light-gray);
    margin-bottom: var(--space-xs);
}

.haiblog-dropdown__col:last-child {
    border-right: none;
}

/* Column header (category name) */
.haiblog-dropdown__col-header {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 0 5px;
    border-bottom: 1px solid var(--win98-dark-gray);
    margin-bottom: var(--space-xs);
}

.col-header-icon {
    font-size: 13px;
    flex-shrink: 0;
}

.col-header-title {
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    font-weight: bold;
    color: var(--win98-navy);
    text-decoration: none;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.col-header-title:hover {
    text-decoration: underline;
    color: var(--win98-navy);
}

.col-header-count {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Article list inside column */
.haiblog-dropdown__post-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.haiblog-dropdown__post-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 6px;
    padding: 2px 0;
    border-bottom: 1px dotted var(--win98-light-gray);
}

.haiblog-dropdown__post-list li:last-child {
    border-bottom: none;
}

.haiblog-dropdown__post-list a {
    font-size: 12px;
    color: var(--text-link);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 160px;
    flex: 1;
}

.haiblog-dropdown__post-list a:hover {
    text-decoration: underline;
    color: var(--win98-navy);
}

.haiblog-dropdown__post-list .post-date {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Dark mode overrides */
body.dark-mode .haiblog-menubar {
    background-color: #1a1a2e;
    border-bottom-color: #0f3460;
    border-top-color: #533483;
}

body.dark-mode .haiblog-menubar__btn {
    color: #c0c0c0;
}

body.dark-mode .haiblog-menubar__btn:hover,
body.dark-mode .haiblog-menubar__item.is-open .haiblog-menubar__btn {
    background-color: #000080;
    color: #ffffff;
}

body.dark-mode .haiblog-dropdown {
    background-color: #1a1a2e;
    border-color: #533483;
    box-shadow: 3px 3px 0 rgba(0,0,0,0.6);
}

body.dark-mode .haiblog-dropdown__col {
    border-right-color: #2a2a4e;
}

body.dark-mode .col-header-title {
    color: #88aaff;
}

body.dark-mode .haiblog-dropdown__col-header {
    border-bottom-color: #533483;
}

body.dark-mode .haiblog-dropdown__post-list a {
    color: #88aaff;
}

body.dark-mode .haiblog-dropdown__post-list li {
    border-bottom-color: #2a2a4e;
}

/* ==========================================================================
   WIDGET PAGE STYLES (博客/Claude Code 页面)
   ========================================================================== */

/* 面包屑 */
.widget-breadcrumb {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-button);
    border-top:    1px solid var(--border-raised-tl);
    border-left:   1px solid var(--border-raised-tl);
    border-bottom: 1px solid var(--border-raised-br);
    border-right:  1px solid var(--border-raised-br);
}

.widget-breadcrumb a {
    color: var(--text-link);
    text-decoration: none;
}

.widget-breadcrumb a:hover { text-decoration: underline; }

.widget-breadcrumb .sep {
    margin: 0 4px;
    color: var(--text-muted);
}

/* 页面主标题区 */
.widget-page-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--win98-dark-gray);
    margin-bottom: var(--space-lg);
}

.widget-page-title h1 {
    font-size: 1.4rem;
    font-weight: bold;
    color: var(--text-primary);
    margin: 0;
}

.widget-page-stats {
    display: flex;
    gap: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.widget-page-stats strong {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--win98-navy);
    line-height: 1;
}

/* 分类概览网格 */
.widget-overview-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-lg);
}

.widget-cat-block {
    background: var(--bg-window);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
}

.widget-cat-block__header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px var(--space-sm);
    background: linear-gradient(to right, var(--bg-titlebar), #1084d0);
    color: var(--text-titlebar);
    font-size: var(--font-size-sm);
    font-weight: bold;
}

.widget-cat-block__header a {
    color: var(--text-titlebar);
    text-decoration: none;
    flex: 1;
}

.widget-cat-block__header a:hover { text-decoration: underline; }

.widget-cat-block__count {
    font-size: 11px;
    opacity: 0.85;
    font-weight: normal;
}

.widget-cat-block__body {
    padding: var(--space-xs) var(--space-sm);
}

.widget-cat-post-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.widget-cat-post-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: var(--space-sm);
    padding: 3px 0;
    border-bottom: 1px dotted var(--win98-light-gray);
    font-size: var(--font-size-sm);
}

.widget-cat-post-list li:last-child { border-bottom: none; }

.widget-cat-post-list a {
    color: var(--text-link);
    text-decoration: none;
    flex: 1;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: clip !important;
    word-wrap: break-word;
}

.widget-cat-post-list a:hover { text-decoration: underline; }

.widget-cat-post-list .post-date {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.widget-cat-block__footer {
    padding: var(--space-xs) var(--space-sm);
    border-top: 1px solid var(--win98-light-gray);
    text-align: right;
}

.widget-view-all {
    font-size: 12px;
    color: var(--win98-navy);
    text-decoration: none;
}

.widget-view-all:hover { text-decoration: underline; }

/* 分类文章列表页 */
.widget-cat-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--win98-navy);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 2px solid var(--win98-navy);
}

.widget-post-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.widget-post-list__item {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--win98-light-gray);
}

.widget-post-list__item:last-child { border-bottom: none; }

.widget-post-list__title {
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 2px;
}

.widget-post-list__title a {
    color: var(--text-link);
    text-decoration: none;
}

.widget-post-list__title a:hover { text-decoration: underline; }

.widget-post-list__meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.widget-post-list__excerpt {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* 分页 */
.widget-pagination {
    margin-top: var(--space-lg);
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    align-items: center;
}

.widget-pagination .page-numbers {
    display: inline-block;
    padding: 2px 8px;
    font-family: var(--font-ui);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background: var(--bg-button);
    border-top:    2px solid var(--border-raised-tl);
    border-left:   2px solid var(--border-raised-tl);
    border-bottom: 2px solid var(--border-raised-br);
    border-right:  2px solid var(--border-raised-br);
    text-decoration: none;
    cursor: pointer;
}

.widget-pagination .page-numbers.current,
.widget-pagination .page-numbers:hover {
    background: var(--win98-highlight);
    color: var(--win98-highlight-text);
}

/* Dark mode for widget pages */
body.dark-mode .widget-breadcrumb {
    background: #1a1a2e;
    border-color: #533483;
    color: #888;
}

body.dark-mode .widget-page-stats strong { color: #88aaff; }

body.dark-mode .widget-cat-block {
    background: #1a1a2e;
    border-color: #533483;
}

body.dark-mode .widget-cat-block__header {
    background: linear-gradient(to right, #0f3460, #533483);
}

body.dark-mode .widget-cat-post-list li {
    border-bottom-color: #2a2a4e;
}

body.dark-mode .widget-cat-block__footer {
    border-top-color: #2a2a4e;
}

body.dark-mode .widget-view-all { color: #88aaff; }

body.dark-mode .widget-post-list__item {
    border-bottom-color: #2a2a4e;
}