/* ========================================
   Aurora Theme - Modern Typecho Blog Theme
   ======================================== */

/* === CSS Variables === */
:root {
    /* Light Mode */
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-muted: #9ca3af;
    --border-color: rgba(0,0,0,0.06);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-dark: #4f46e5;
    --accent-bg: rgba(99,102,241,0.08);
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-hero: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    --nav-bg: rgba(255,255,255,0.85);
    --nav-border: rgba(0,0,0,0.05);
    --code-bg: #282c34;
    --tag-bg: rgba(99,102,241,0.08);
    --tag-text: #6366f1;
    --overlay: rgba(0,0,0,0.5);
    --footer-bg: #1a1a2e;
    --footer-text: #a0aec0;
}

body.dark-mode {
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-card: #1e1e35;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    --border-color: rgba(255,255,255,0.06);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.6);
    --accent: #818cf8;
    --accent-light: #a5b4fc;
    --accent-dark: #6366f1;
    --accent-bg: rgba(129,140,248,0.12);
    --nav-bg: rgba(15,15,26,0.9);
    --nav-border: rgba(255,255,255,0.05);
    --tag-bg: rgba(129,140,248,0.15);
    --tag-text: #a5b4fc;
    --overlay: rgba(0,0,0,0.7);
    --footer-bg: #0a0a15;
    --footer-text: #718096;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background-color 0.3s, color 0.3s;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

/* === Loading Screen === */
.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

.loading-screen.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-spinner {
    position: relative;
    width: 60px;
    height: 60px;
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid transparent;
    animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(1) {
    border-top-color: #ee7752;
    animation-delay: 0s;
}

.spinner-ring:nth-child(2) {
    border-right-color: #e73c7e;
    animation-delay: 0.15s;
    inset: 6px;
}

.spinner-ring:nth-child(3) {
    border-bottom-color: #23a6d5;
    animation-delay: 0.3s;
    inset: 12px;
}

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

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--nav-border);
    transition: all 0.3s ease;
    height: 64px;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: var(--accent-bg);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle, .search-toggle {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 10px;
    background: var(--accent-bg);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.theme-toggle:hover, .search-toggle:hover {
    background: var(--accent);
    color: #fff;
    transform: scale(1.05);
}

.light-mode .dark-icon,
.dark-mode .light-icon {
    display: none;
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* === Search Overlay === */
.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: var(--overlay);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-modal {
    width: 90%;
    max-width: 600px;
    transform: translateY(-30px);
    transition: transform 0.3s;
}

.search-overlay.active .search-modal {
    transform: translateY(0);
}

.search-input-wrap {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    gap: 12px;
}

.search-input-wrap i {
    font-size: 1.3rem;
    color: var(--text-muted);
}

.search-input-wrap input {
    flex: 1;
    border: none;
    background: none;
    font-size: 1.1rem;
    color: var(--text-primary);
    outline: none;
    font-family: inherit;
}

.search-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.3rem;
    display: flex;
}

/* === Hero Section === */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    opacity: 0.9;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 0 20px;
}

.hero-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid rgba(255,255,255,0.3);
    box-shadow: 0 0 30px rgba(0,0,0,0.2);
    margin-bottom: 24px;
    animation: float 6s ease-in-out infinite;
    object-fit: cover;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    letter-spacing: 2px;
}

/* Glitch Effect */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    right: 0;
    overflow: hidden;
    opacity: 0;
}

.glitch:hover::before {
    animation: glitch-1 0.3s linear;
    opacity: 0.8;
    color: #ff00ff;
    text-shadow: -2px 0 #00ffff;
}

.glitch:hover::after {
    animation: glitch-2 0.3s linear;
    opacity: 0.8;
    color: #00ffff;
    text-shadow: 2px 0 #ff00ff;
}

@keyframes glitch-1 {
    0% { clip-path: inset(40% 0 61% 0); transform: translate(-2px, -1px); }
    20% { clip-path: inset(92% 0 1% 0); transform: translate(1px, 2px); }
    40% { clip-path: inset(43% 0 1% 0); transform: translate(-1px, -2px); }
    60% { clip-path: inset(25% 0 58% 0); transform: translate(2px, 1px); }
    80% { clip-path: inset(54% 0 7% 0); transform: translate(-2px, 2px); }
    100% { clip-path: inset(58% 0 43% 0); transform: translate(1px, -1px); }
}

@keyframes glitch-2 {
    0% { clip-path: inset(65% 0 31% 0); transform: translate(2px, 1px); }
    20% { clip-path: inset(10% 0 85% 0); transform: translate(-1px, -2px); }
    40% { clip-path: inset(60% 0 1% 0); transform: translate(1px, 2px); }
    60% { clip-path: inset(0% 0 70% 0); transform: translate(-2px, -1px); }
    80% { clip-path: inset(80% 0 5% 0); transform: translate(2px, -2px); }
    100% { clip-path: inset(15% 0 60% 0); transform: translate(-1px, 1px); }
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 20px;
    min-height: 2em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.typed-cursor {
    animation: blink 1s step-end infinite;
    font-weight: 300;
}

@keyframes blink {
    50% { opacity: 0; }
}

#typed-text {
    border-right: none;
}

.hero-hitokoto {
    font-size: 0.95rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto 40px;
    font-style: italic;
    min-height: 1.5em;
}

.hero-scroll {
    display: inline-block;
    margin-top: 20px;
}

.scroll-indicator {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-dot {
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.8);
    border-radius: 2px;
    animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(16px); opacity: 0; }
}

/* Hero floating shapes */
.hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    animation: shape-float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: #fff;
    top: -100px;
    right: -50px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: #fff;
    bottom: -50px;
    left: -50px;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: #fff;
    top: 50%;
    left: 10%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    background: #fff;
    top: 20%;
    right: 20%;
    animation-delay: -15s;
}

@keyframes shape-float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(30px, -30px) rotate(90deg); }
    50% { transform: translate(-20px, 20px) rotate(180deg); }
    75% { transform: translate(15px, 15px) rotate(270deg); }
}

/* === Main Layout === */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.content-wrapper {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.post-list-area {
    flex: 1;
    min-width: 0;
}

/* === Post Cards === */
.post-grid {
    display: grid;
    gap: 24px;
}

.post-card {
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: row;
    border: 1px solid var(--border-color);
}

.post-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.post-card-cover {
    width: 280px;
    min-width: 280px;
    min-height: 200px;
    position: relative;
    overflow: hidden;
    display: block;
}

.post-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.post-card:hover .post-card-cover img {
    transform: scale(1.08);
}

.cover-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.1));
    opacity: 0;
    transition: opacity 0.3s;
}

.post-card:hover .cover-overlay {
    opacity: 1;
}

.post-card-cover.no-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.default-cover {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg,
        hsl(var(--hue), 70%, 65%),
        hsl(calc(var(--hue) + 40), 70%, 55%));
    font-size: 3rem;
    color: rgba(255,255,255,0.6);
}

.post-card-body {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.post-card-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.post-card-meta i {
    margin-right: 4px;
}

.post-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.5;
}

.post-card-title a {
    color: var(--text-primary);
    transition: color 0.3s;
}

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

.post-card-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.post-card-tags {
    font-size: 0.82rem;
    color: var(--accent);
}

.post-card-tags a {
    color: var(--accent);
    font-size: 0.82rem;
}

.read-more {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s;
    white-space: nowrap;
}

.read-more:hover {
    gap: 8px;
    color: var(--accent-dark);
}

/* === Animate In === */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: var(--delay, 0s);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Pagination === */
.pagination-wrap {
    margin-top: 40px;
    display: flex;
    justify-content: center;
}

.pagination {
    display: flex;
    gap: 8px;
    align-items: center;
}

.pagination a {
    padding: 8px 16px;
    border-radius: 10px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.pagination a:hover, .pagination a.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* === Sidebar === */
.sidebar {
    width: 320px;
    min-width: 320px;
    position: sticky;
    top: 84px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    scrollbar-width: thin;
}

.card {
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    overflow: hidden;
    transition: all 0.3s;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Author Card */
.author-card {
    text-align: center;
}

.author-bg {
    height: 100px;
    background: var(--gradient-hero);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

.author-info {
    padding: 0 20px 20px;
    margin-top: -50px;
}

.author-avatar {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 4px solid var(--bg-card);
    object-fit: cover;
    transition: transform 0.5s;
}

.author-avatar:hover {
    transform: rotate(360deg);
}

.author-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 10px 0 4px;
}

.author-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.author-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-num {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.author-social {
    margin-top: 16px;
    display: flex;
    justify-content: center;
    gap: 12px;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    color: var(--accent);
    font-size: 1.1rem;
    transition: all 0.3s;
}

.social-icon:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-3px) scale(1.1);
}

/* Card Header */
.card-header {
    padding: 16px 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.95rem;
}

.card-header i {
    color: var(--accent);
    font-size: 1.1rem;
}

.card-body {
    padding: 16px 20px;
}

/* Notice / Hitokoto */
.hitokoto-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.7;
}

.hitokoto-from {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: right;
    margin-top: 8px;
}

/* Category List */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all 0.3s;
}

.category-item:hover {
    background: var(--accent-bg);
    color: var(--accent);
}

.category-count {
    background: var(--accent-bg);
    color: var(--accent);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 600;
}

/* Tag Cloud */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    background: color-mix(in srgb, var(--tag-color) 15%, transparent);
    color: var(--tag-color);
    border: 1px solid color-mix(in srgb, var(--tag-color) 25%, transparent);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 2px;
}

.tag-item:hover {
    background: var(--tag-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px color-mix(in srgb, var(--tag-color) 30%, transparent);
}

.tag-item i {
    font-size: 0.75rem;
}

/* Archive List */
.archive-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.archive-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.archive-item:hover {
    background: var(--accent-bg);
    color: var(--accent);
}

.archive-count {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* === Post Banner === */
.post-banner {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-top: 64px;
}

.small-banner {
    height: 300px;
}

.post-banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s;
}

.post-banner:hover .post-banner-bg {
    transform: scale(1.05);
}

.post-banner-gradient {
    background: linear-gradient(135deg,
        hsl(var(--hue), 70%, 55%),
        hsl(calc(var(--hue) + 60), 70%, 45%));
}

.post-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2), rgba(0,0,0,0.6));
}

.post-banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
    padding: 0 20px;
    max-width: 800px;
}

.post-banner-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.post-banner-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.post-banner-meta i {
    margin-right: 4px;
}

.post-banner-desc {
    font-size: 1rem;
    opacity: 0.85;
    margin-top: 8px;
}

/* === Post Content === */
.post-content-area {
    flex: 1;
    min-width: 0;
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.post-article {
    padding: 40px;
    min-width: 0;
}

.post-content {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--text-primary);
    max-width: 840px;
    margin: 0 auto;
}

.post-content h1, .post-content h2, .post-content h3,
.post-content h4, .post-content h5, .post-content h6 {
    margin-top: 2em;
    margin-bottom: 0.8em;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
}

.post-content h2 {
    font-size: 1.5rem;
    padding-bottom: 0.3em;
    border-bottom: 2px solid var(--border-color);
}

.post-content h3 {
    font-size: 1.25rem;
}

.post-content p {
    margin-bottom: 1.2em;
}

.post-content img {
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    margin: 1em 0;
}

.post-content blockquote {
    margin: 1.5em 0;
    padding: 16px 20px;
    border-left: 4px solid var(--accent);
    background: var(--accent-bg);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
}

.post-content pre {
    margin: 1.5em 0;
    border-radius: 12px;
    overflow: hidden;
}

.post-content code {
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 0.9em;
}

.post-content :not(pre) > code {
    background: var(--accent-bg);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.88em;
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    border-radius: 8px;
    overflow: hidden;
}

.post-content th, .post-content td {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.post-content th {
    background: var(--accent-bg);
    font-weight: 600;
}

.post-content a {
    color: var(--accent);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 3px;
}

.post-content a:hover {
    text-decoration-style: solid;
}

.post-content ul, .post-content ol {
    padding-left: 2em;
    margin-bottom: 1.2em;
}

.post-content li {
    margin-bottom: 0.3em;
}

.post-content hr {
    border: none;
    height: 2px;
    background: var(--border-color);
    margin: 2em 0;
}

.article-outline {
    position: sticky;
    top: 84px;
    margin-bottom: 0;
}

.article-outline .card-body,
.toc-card .card-body {
    padding: 12px;
}

/* Post Tags */
.post-tags-wrap {
    margin: 30px 0;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-tags-wrap i {
    color: var(--accent);
}

.post-tags-wrap a {
    color: var(--accent);
    margin: 0 4px;
}

/* Post Actions */
.post-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s;
}

.action-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.like-btn.liked {
    border-color: #ef4444;
    color: #ef4444;
    background: rgba(239,68,68,0.08);
}

/* Post Navigation */
.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.post-nav-item {
    padding: 20px;
    border-radius: 12px;
    background: var(--bg-primary);
    transition: all 0.3s;
}

.post-nav-item:hover {
    background: var(--accent-bg);
}

.post-nav-item a {
    text-decoration: none;
    color: var(--text-primary);
}

.nav-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 6px;
}

.nav-title {
    font-size: 0.95rem;
    font-weight: 500;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.post-nav-item.next .nav-label {
    justify-content: flex-end;
}

/* === Comments === */
.comments-section {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.comments-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.comments-title i {
    color: var(--accent);
}

.comment-item {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.comment-avatar img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

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

.comment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

.comment-author {
    font-weight: 600;
    font-size: 0.92rem;
}

.comment-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.comment-content {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.comment-content p {
    margin: 0;
}

.comment-actions {
    margin-top: 6px;
}

.comment-actions a {
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: color 0.3s;
}

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

.comment-children {
    margin-top: 16px;
    padding-left: 20px;
    border-left: 2px solid var(--border-color);
}

/* Comment Form */
.comment-form-wrap {
    margin-top: 30px;
}

.comment-form-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.3s;
    outline: none;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    margin-bottom: 12px;
}

.submit-btn {
    padding: 10px 30px;
    border: none;
    border-radius: 50px;
    background: var(--gradient-1);
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99,102,241,0.4);
}

.logged-in {
    margin-bottom: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.comments-closed {
    text-align: center;
    color: var(--text-muted);
    padding: 20px 0;
}

.comments-list {
    list-style: none;
    padding: 0;
}

.comments-list .comment-body {
    margin-bottom: 0;
}

.comments-list .comment-item {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.comments-list .comment-body-inner {
    flex: 1;
    min-width: 0;
}

.comments-list .comment-children {
    list-style: none;
    padding-left: 20px;
    border-left: 2px solid var(--border-color);
    margin-top: 16px;
}

.author-badge {
    display: inline-block;
    font-size: 0.7rem;
    padding: 1px 8px;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-weight: 500;
    margin-left: 6px;
    vertical-align: middle;
}

.comment-text p {
    margin: 0;
}

/* === Footer === */
.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    position: relative;
    margin-top: 60px;
}

.footer-wave {
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 50px;
    color: var(--footer-bg);
}

.footer-wave svg {
    width: 100%;
    height: 100%;
    display: block;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px 30px;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.footer-desc {
    font-size: 0.9rem;
    max-width: 500px;
    margin: 0 auto 20px;
    opacity: 0.8;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-3px) scale(1.15);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.82rem;
    opacity: 0.7;
}

.footer-bottom p {
    margin-bottom: 4px;
}

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

.footer-uptime {
    margin-top: 8px;
}

/* === Back to Top === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(99,102,241,0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
}

.progress-ring {
    position: absolute;
    inset: -3px;
    width: calc(100% + 6px);
    height: calc(100% + 6px);
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: rgba(255,255,255,0.2);
    stroke-width: 2;
}

.progress-ring-bar {
    fill: none;
    stroke: #fff;
    stroke-width: 2;
    stroke-dasharray: 100.53;
    stroke-dashoffset: 100.53;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.1s;
}

/* === Error Page === */
.error-page {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
}

.error-content {
    text-align: center;
    z-index: 1;
}

.error-code {
    font-size: 8rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.error-message {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.btn-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 50px;
    background: var(--gradient-1);
    color: #fff;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-home:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99,102,241,0.4);
    color: #fff;
}

/* === No Posts === */
.no-posts {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}

.empty-state-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
}

.empty-state-card h2 {
    color: var(--text-primary);
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.empty-state-card p {
    max-width: 620px;
    margin: 0 auto;
    line-height: 1.8;
}

.empty-state-actions {
    margin-top: 28px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.empty-state-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 140px;
    padding: 12px 18px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.empty-state-btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.empty-state-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--accent-dark);
}

.empty-state-btn.primary:hover {
    color: #fff;
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.no-posts i {
    font-size: 4rem;
    margin-bottom: 16px;
    display: block;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .content-wrapper {
        flex-direction: column;
    }

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

    .article-outline {
        position: static;
        order: -1;
    }

    .sidebar {
        width: 100%;
        min-width: auto;
        position: static;
        max-height: none;
    }

    .post-card {
        flex-direction: column;
    }

    .post-card-cover {
        width: 100%;
        min-width: auto;
        min-height: 200px;
        max-height: 240px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--nav-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-avatar {
        width: 90px;
        height: 90px;
    }

    .post-banner-title {
        font-size: 1.6rem;
    }

    .post-banner {
        height: 300px;
    }

    .small-banner {
        height: 220px;
    }

    .post-article {
        padding: 20px;
    }

    .post-content {
        max-width: 100%;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .post-banner-meta {
        gap: 12px;
        font-size: 0.82rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.6rem;
    }

    .post-card-body {
        padding: 16px;
    }

    .post-card-title {
        font-size: 1.1rem;
    }
}

/* === Custom Scrollbar === */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}

/* === Selection === */
::selection {
    background: var(--accent);
    color: #fff;
}

/* === Smooth transitions for theme switch === */
body, .navbar, .card, .post-card, .post-article, footer,
.search-overlay, .form-group input, .form-group textarea {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ============================================
   ADVANCED FEATURES v2.0
   ============================================ */

/* === Reading Progress Bar === */
.reading-progress-wrap {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 1001;
    background: transparent;
}

.reading-progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #4facfe);
    background-size: 300% 100%;
    animation: progressGradient 3s linear infinite;
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

@keyframes progressGradient {
    0% { background-position: 0% 50%; }
    100% { background-position: 300% 50%; }
}

/* === Search Keyboard Shortcut Badge === */
.search-kbd {
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--border-color);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-family: monospace;
    border: 1px solid var(--border-color);
}

/* === Code Block Copy Button === */
.code-block-wrapper {
    position: relative;
}

.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    opacity: 0;
    transition: all 0.3s;
    z-index: 2;
}

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

.code-copy-btn:hover {
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.code-copy-btn.copied {
    background: #22c55e;
    color: #fff;
    opacity: 1;
}

/* === Click Fireworks / Sparks === */
.click-spark {
    position: fixed;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--spark-color);
    pointer-events: none;
    z-index: 9999;
    animation: sparkAnim 0.8s ease-out forwards;
    box-shadow: 0 0 6px var(--spark-color);
}

@keyframes sparkAnim {
    0% {
        transform: translate(0, 0) scale(var(--spark-scale, 1));
        opacity: 1;
    }
    100% {
        transform: translate(var(--spark-x), var(--spark-y)) scale(0);
        opacity: 0;
    }
}

/* === Heart Burst on Like (fixed - no CSS cos/sin) === */
.heart-particle {
    position: fixed;
    font-size: 14px;
    color: #ef4444;
    pointer-events: none;
    z-index: 9999;
    animation: heartBurst 0.8s ease-out forwards;
}

@keyframes heartBurst {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(var(--tx, 30px), var(--ty, -30px)) scale(0); opacity: 0; }
}

/* === Lightbox (improved) === */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
    opacity: 1;
}

.lightbox-img {
    max-width: 92vw;
    max-height: 92vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 0 60px rgba(0,0,0,0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    cursor: default;
}

.lightbox-overlay.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    color: #fff;
    cursor: pointer;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.3);
    transform: rotate(90deg);
}

/* === Custom Context Menu === */
.custom-context-menu {
    position: fixed;
    z-index: 10000;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 6px;
    min-width: 170px;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.9) translateY(-5px);
    transform-origin: top left;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
}

.custom-context-menu.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
}

.ctx-item {
    padding: 8px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    transition: all 0.15s;
}

.ctx-item:hover {
    background: var(--accent-bg);
    color: var(--accent);
}

.ctx-item i {
    font-size: 1rem;
    width: 18px;
    text-align: center;
}

.ctx-divider {
    height: 1px;
    margin: 4px 8px;
    background: var(--border-color);
}

/* === Table of Contents === */
.toc-card .card-body {
    padding: 12px 16px;
    max-height: 400px;
    overflow-y: auto;
}

.toc-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.toc-item {
    display: block;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.83rem;
    color: var(--text-secondary);
    border-left: 2px solid transparent;
    transition: all 0.2s;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.toc-item:hover {
    background: var(--accent-bg);
    color: var(--accent);
}

.toc-item.active {
    border-left-color: var(--accent);
    color: var(--accent);
    background: var(--accent-bg);
    font-weight: 500;
}

.toc-level-1 { padding-left: 22px; }
.toc-level-2 { padding-left: 34px; font-size: 0.8rem; }

/* === Info Card (Clock & Weather) === */
.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.info-row:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 6px;
    padding-bottom: 8px;
}

.info-label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.info-value {
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    font-size: 0.82rem;
}

/* === Recommend Card === */
.recommend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 10px;
    transition: all 0.3s;
    margin: -4px -4px 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.recommend-item:hover {
    background: var(--accent-bg);
    transform: translateX(4px);
}

.recommend-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.recommend-info {
    flex: 1;
    min-width: 0;
}

.recommend-name {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.recommend-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.recommend-arrow {
    color: var(--text-muted);
    font-size: 1rem;
    flex-shrink: 0;
    transition: all 0.3s;
}

.recommend-item:hover .recommend-arrow {
    color: var(--accent);
    transform: translateX(3px);
}

.recommend-detail {
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.recommend-detail p {
    font-size: 0.83rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 10px;
}

.recommend-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.rec-tag {
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    background: linear-gradient(135deg, rgba(34,197,94,0.12), rgba(22,163,74,0.08));
    color: #16a34a;
    border: 1px solid rgba(34,197,94,0.2);
    font-weight: 500;
}

.dark-mode .rec-tag {
    background: linear-gradient(135deg, rgba(34,197,94,0.2), rgba(22,163,74,0.12));
    color: #4ade80;
    border-color: rgba(34,197,94,0.3);
}

/* === Post Copyright Box === */
.post-copyright {
    margin: 30px 0;
    padding: 20px;
    border-radius: 12px;
    background: var(--bg-primary);
    border-left: 4px solid var(--accent);
}

.copyright-item {
    display: flex;
    gap: 12px;
    padding: 4px 0;
    font-size: 0.85rem;
}

.copyright-label {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 5em;
    flex-shrink: 0;
}

.copyright-value {
    color: var(--text-secondary);
    word-break: break-all;
}

a.copyright-value {
    color: var(--accent);
}

/* === Toast Notifications === */
.aurora-toast {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 10001;
    padding: 12px 20px;
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
}

.aurora-toast.show {
    transform: translateX(0);
}

.aurora-toast.success {
    border-left: 4px solid #22c55e;
}

.aurora-toast.info {
    border-left: 4px solid var(--accent);
}

.aurora-toast.error {
    border-left: 4px solid #ef4444;
}

/* === Nav Empty States === */
.nav-empty {
    color: var(--text-muted);
    font-style: italic;
}

/* === Print Styles === */
/* === Language Toggle === */
.lang-toggle {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 10px;
    background: var(--accent-bg);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    transition: all 0.3s;
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
}

.lang-toggle:hover {
    background: var(--accent);
    color: #fff;
    transform: scale(1.05);
}

/* === Labs Carousel === */
.labs-carousel {
    position: relative;
    min-height: 180px;
}

.lab-slide {
    display: none;
    animation: labFadeIn 0.4s ease;
}

.lab-slide.active {
    display: block;
}

@keyframes labFadeIn {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

.labs-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    margin-top: 12px;
}

.labs-nav-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
}

.labs-nav-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-bg);
}

.labs-dots {
    display: flex;
    gap: 6px;
}

.lab-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all 0.3s;
}

.lab-dot.active {
    background: var(--accent);
    transform: scale(1.3);
}

.lab-dot:hover {
    background: var(--accent-light);
}

/* Recommend tag with dynamic color */
.rec-tag {
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    background: linear-gradient(135deg, color-mix(in srgb, var(--tag-accent, #22c55e) 12%, transparent), color-mix(in srgb, var(--tag-accent, #22c55e) 6%, transparent));
    color: var(--tag-accent, #16a34a);
    border: 1px solid color-mix(in srgb, var(--tag-accent, #22c55e) 20%, transparent);
    font-weight: 500;
}

/* === English mode font adjustments === */
[data-lang="en"] body,
[data-lang="en"] .post-card-excerpt,
[data-lang="en"] .recommend-detail p {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-lang="en"] .hero-title {
    letter-spacing: 0;
}

@media print {
    .navbar, .sidebar, .post-actions, .post-navigation,
    .comments-section, .site-footer, .back-to-top,
    .reading-progress-wrap, .loading-screen,
    .custom-context-menu, #mouse-trail, #ribbon-bg,
    .hero, .search-overlay { display: none !important; }

    .content-wrapper { display: block !important; }
    .post-article { padding: 0 !important; box-shadow: none !important; border: none !important; }
    .post-banner { height: auto !important; min-height: 0 !important; position: static !important; }
    .post-banner-overlay { display: none; }
    .post-banner-content { color: #000 !important; }
    body { background: #fff !important; color: #000 !important; }
    .post-content a { color: #333 !important; text-decoration: underline !important; }
    .post-content a::after { content: ' (' attr(href) ')'; font-size: 0.8em; color: #666; }
}