/* LibreTV Portal - Wiki / Docs Styles
   视觉令牌与 main.css 保持一致（青蓝主色 / 暗底 / 毛玻璃），
   文档页关闭粒子背景，保证阅读体验。 */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Variables (与 main.css 同源) */
    --primary-color: #00ccff;
    --primary-dark: #0099cc;
    --primary-light: #33d6ff;
    --secondary-color: #ff3c78;
    --accent-color: #8b5cf6;
    --dark-bg: #0a0a0a;
    --dark-surface: #111111;
    --dark-surface-light: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a3a3a3;
    --text-muted: #6b7280;
    --wiki-text: #c9d1d9;
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --blur-glass: blur(10px);
    --nav-height: 70px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Roboto, sans-serif;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(0, 204, 255, 0.04) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.04) 0%, transparent 40%),
        var(--dark-bg);
    color: var(--wiki-text);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Particles Background (仅文档首页启用) */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    display: block;
    background: linear-gradient(45deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(0, 204, 255, 0.03) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 40%);
    z-index: -1;
    pointer-events: none;
}

/* Utility */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--primary-color);
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 0 0 0.5rem 0;
    z-index: 2000;
}

.skip-link:focus {
    left: 0;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation (与首页同款毛玻璃) */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-img {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

.nav-link:hover::after {
    width: 100%;
}

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

.nav-link.active::after {
    width: 100%;
}

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-normal);
}

.github-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.github-icon {
    width: 1.25rem;
    height: 1.25rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
    background: none;
    border: none;
    padding: 0.5rem;
}

.bar {
    width: 1.5rem;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-normal);
}

/* Wiki Layout: 侧栏 | 正文 | 页内目录 */
.wiki-main {
    padding: calc(var(--nav-height) + 2.5rem) 0 4rem;
}

.wiki-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr) 220px;
    gap: 2.5rem;
    align-items: start;
}

/* Sidebar */
.wiki-sidebar {
    position: sticky;
    top: calc(var(--nav-height) + 2rem);
    max-height: calc(100vh - var(--nav-height) - 4rem);
    overflow-y: auto;
    scrollbar-width: thin;
}

.wiki-sidebar-inner {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
}

.wiki-sidebar-title {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.wiki-nav ul {
    list-style: none;
}

.wiki-nav li {
    margin: 0.125rem 0;
}

.wiki-nav a {
    display: block;
    padding: 0.45rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.925rem;
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
}

.wiki-nav a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.wiki-nav a.active {
    color: var(--primary-color);
    background: rgba(0, 204, 255, 0.08);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

.wiki-nav a.nav-external {
    font-size: 0.85rem;
    opacity: 0.85;
}

.wiki-sidebar-meta {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.wiki-sidebar-meta a {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
}

.wiki-sidebar-meta a:hover {
    color: var(--primary-color);
}

.wiki-sidebar-close {
    display: none;
}

/* Mobile sidebar toggle */
.wiki-sidebar-toggle {
    display: none;
    position: fixed;
    left: 1rem;
    bottom: 1.25rem;
    z-index: 1100;
    padding: 0.6rem 1.1rem;
    border-radius: 2rem;
    border: 1px solid rgba(0, 204, 255, 0.4);
    background: rgba(10, 10, 10, 0.92);
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
}

.wiki-sidebar-backdrop {
    display: none;
}

/* Content */
.wiki-content {
    min-width: 0;
}

.wiki-breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

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

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

.wiki-breadcrumb span[aria-hidden] {
    margin: 0 0.4rem;
}

.wiki-title {
    font-size: 2.25rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.wiki-body {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 2rem 2.25rem;
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
}

/* Markdown typography */
.wiki-body h2,
.wiki-body h3,
.wiki-body h4 {
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.35;
    scroll-margin-top: calc(var(--nav-height) + 1rem);
}

.wiki-body h2 {
    font-size: 1.5rem;
    margin: 2.25rem 0 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.wiki-body h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 3.5rem;
    height: 2px;
    background: var(--gradient-primary);
}

.wiki-body h2:first-child {
    margin-top: 0;
}

.wiki-body h3 {
    font-size: 1.2rem;
    margin: 1.75rem 0 0.75rem;
}

.wiki-body h4 {
    font-size: 1.05rem;
    margin: 1.5rem 0 0.6rem;
}

.wiki-body p {
    margin: 0.85rem 0;
}

.wiki-body a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 204, 255, 0.3);
    transition: all var(--transition-fast);
}

.wiki-body a:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

.wiki-body strong {
    color: var(--text-primary);
}

.wiki-body ul,
.wiki-body ol {
    margin: 0.85rem 0;
    padding-left: 1.5rem;
}

.wiki-body li {
    margin: 0.35rem 0;
}

.wiki-body li::marker {
    color: var(--primary-color);
}

.wiki-body img {
    max-width: 100%;
    border-radius: 0.6rem;
    border: 1px solid var(--border-color);
    margin: 1rem 0;
}

.wiki-body hr {
    border: none;
    height: 1px;
    background: var(--border-color);
    margin: 2rem 0;
}

/* Inline code */
.wiki-body code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.875em;
    background: rgba(0, 204, 255, 0.08);
    color: var(--primary-light);
    padding: 0.15em 0.45em;
    border-radius: 0.375rem;
    word-break: break-word;
}

/* Code blocks */
.wiki-body pre {
    position: relative;
    background: var(--dark-surface);
    border: 1px solid var(--border-color);
    border-radius: 0.6rem;
    padding: 1.1rem 1.25rem;
    margin: 1.25rem 0;
    overflow-x: auto;
}

.wiki-body pre code {
    display: block;
    background: none;
    color: var(--wiki-text);
    padding: 0;
    font-size: 0.875rem;
    line-height: 1.6;
    white-space: pre;
}

/* Copy button（与首页代码块一致的交互） */
.wiki-body .copy-btn {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    border-radius: 0.45rem;
    color: var(--text-secondary);
    cursor: pointer;
    opacity: 0;
    transition: all var(--transition-fast);
}

.wiki-body pre:hover .copy-btn,
.wiki-body .copy-btn:focus-visible,
.wiki-body .copy-btn.copied {
    opacity: 1;
}

.wiki-body .copy-btn:hover {
    background: rgba(0, 204, 255, 0.15);
    color: var(--primary-color);
}

.wiki-body .copy-btn svg {
    width: 1rem;
    height: 1rem;
}

/* Tables */
.wiki-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    font-size: 0.925rem;
    display: block;
    overflow-x: auto;
}

.wiki-body th,
.wiki-body td {
    border: 1px solid var(--border-color);
    padding: 0.6rem 0.9rem;
    text-align: left;
    vertical-align: top;
}

.wiki-body th {
    background: var(--dark-surface-light);
    color: var(--text-primary);
    font-weight: 600;
    white-space: nowrap;
}

.wiki-body tr:nth-child(even) td {
    background: rgba(255, 255, 255, 0.02);
}

/* Blockquote & callouts (GitHub alert 语法转换而来) */
.wiki-body blockquote {
    border-left: 3px solid var(--primary-color);
    background: rgba(0, 204, 255, 0.05);
    border-radius: 0 0.5rem 0.5rem 0;
    padding: 0.85rem 1.25rem;
    margin: 1.25rem 0;
    color: var(--text-secondary);
}

.wiki-body blockquote p {
    margin: 0.35rem 0;
}

.wiki-body .callout {
    border-left-width: 3px;
}

.wiki-body .callout-title {
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.35rem;
}

.wiki-body .callout-note {
    border-left-color: var(--primary-color);
    background: rgba(0, 204, 255, 0.06);
}

.wiki-body .callout-note .callout-title {
    color: var(--primary-color);
}

.wiki-body .callout-tip {
    border-left-color: #22c55e;
    background: rgba(34, 197, 94, 0.06);
}

.wiki-body .callout-tip .callout-title {
    color: #4ade80;
}

.wiki-body .callout-important {
    border-left-color: var(--accent-color);
    background: rgba(139, 92, 246, 0.07);
}

.wiki-body .callout-important .callout-title {
    color: #a78bfa;
}

.wiki-body .callout-warning {
    border-left-color: #f59e0b;
    background: rgba(245, 158, 11, 0.06);
}

.wiki-body .callout-warning .callout-title {
    color: #fbbf24;
}

.wiki-body .callout-caution {
    border-left-color: var(--secondary-color);
    background: rgba(255, 60, 120, 0.06);
}

.wiki-body .callout-caution .callout-title {
    color: var(--secondary-color);
}

/* kbd */
.wiki-body kbd {
    display: inline-block;
    padding: 0.15em 0.55em;
    font-size: 0.8em;
    font-family: 'SFMono-Regular', Consolas, Menlo, monospace;
    color: var(--text-primary);
    background: var(--dark-surface-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom-width: 2px;
    border-radius: 0.375rem;
}

/* Page TOC */
.wiki-toc {
    position: sticky;
    top: calc(var(--nav-height) + 2rem);
    max-height: calc(100vh - var(--nav-height) - 4rem);
    overflow-y: auto;
    font-size: 0.85rem;
    scrollbar-width: thin;
}

.wiki-toc-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.wiki-toc ul {
    list-style: none;
    border-left: 1px solid var(--border-color);
}

.wiki-toc li {
    margin: 0;
}

.wiki-toc a {
    display: block;
    padding: 0.3rem 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-left: 2px solid transparent;
    margin-left: -1.5px;
    transition: all var(--transition-fast);
}

.wiki-toc a:hover {
    color: var(--text-primary);
}

.wiki-toc a.active {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.wiki-toc li.toc-h3 a {
    padding-left: 1.7rem;
    font-size: 0.8rem;
}

/* Pager (上一篇 / 下一篇) */
.wiki-pager {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.75rem;
}

.wiki-pager a {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.wiki-pager a:hover {
    border-color: rgba(0, 204, 255, 0.4);
    background: rgba(0, 204, 255, 0.05);
    transform: translateY(-2px);
}

.wiki-pager a.pager-next {
    text-align: right;
}

.wiki-pager .pager-label {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.wiki-pager .pager-title {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.wiki-pager .pager-spacer {
    flex: 1;
}

/* Footer */
.wiki-footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.wiki-footer a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

.wiki-footer .footer-copyright {
    margin-top: 0.4rem;
}

/* Back to top */
.back-to-top {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(17, 17, 17, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--primary-color);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    z-index: 1050;
}

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

.back-to-top:hover {
    background: rgba(0, 204, 255, 0.15);
}

.back-to-top svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(17, 17, 17, 0.95);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1.25rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1200;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Responsive: ≤1280px 收起页内 TOC */
@media (max-width: 1280px) {
    .wiki-container {
        grid-template-columns: 250px minmax(0, 1fr);
    }

    .wiki-toc {
        display: none;
    }
}

/* Responsive: ≤992px 侧栏改为抽屉 */
@media (max-width: 992px) {
    .wiki-container {
        grid-template-columns: minmax(0, 1fr);
        gap: 0;
    }

    .wiki-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(300px, 85vw);
        max-height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        z-index: 1150;
        padding: 1rem;
        transform: translateX(-105%);
        transition: transform var(--transition-normal);
        overflow-y: auto;
    }

    .wiki-sidebar.open {
        transform: translateX(0);
    }

    .wiki-sidebar.open .wiki-sidebar-inner {
        background: transparent;
        border: none;
        padding: 0;
    }

    .wiki-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 1140;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-normal);
    }

    .wiki-sidebar-backdrop.show {
        opacity: 1;
        visibility: visible;
    }

    .wiki-sidebar-toggle {
        display: block;
    }

    .wiki-sidebar-close {
        display: flex;
        justify-content: flex-end;
        margin-bottom: 0.5rem;
    }

    .wiki-sidebar-close button {
        background: none;
        border: none;
        color: var(--text-secondary);
        font-size: 1.5rem;
        cursor: pointer;
        padding: 0.25rem 0.6rem;
    }

    .wiki-body {
        padding: 1.5rem 1.25rem;
    }

    .wiki-title {
        font-size: 1.75rem;
    }
}

/* Responsive: ≤768px 移动菜单 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: var(--blur-glass);
        -webkit-backdrop-filter: var(--blur-glass);
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem 2rem;
        gap: 1.25rem;
        display: none;
    }

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

    .nav-toggle {
        display: flex;
    }

    .wiki-container {
        padding: 0 1.25rem;
    }

    .wiki-pager {
        flex-direction: column;
    }

    .wiki-pager a.pager-next {
        text-align: left;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}