/* ============================================
   详情页 — 与主站设计系统统一
   使用 style.css 中定义的 CSS 变量
   ============================================ */

/* ---------- 页面容器 ---------- */
.detail-page {
    min-height: 100vh;
    background: var(--bg);
    position: relative;
}

/* ---------- 入场动画 ---------- */
.detail-page .detail-nav,
.detail-page .detail-container {
    opacity: 0;
    transform: translateY(8px);
    animation: detailFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.detail-page .detail-container { animation-delay: 0.08s; }
@keyframes detailFadeIn {
    to { opacity: 1; transform: translateY(0); }
}

/* ======================================
   顶部导航栏 — 玻璃态
   ====================================== */
.detail-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(24px) saturate(1.6);
    -webkit-backdrop-filter: blur(24px) saturate(1.6);
    background: rgba(6,6,14,0.75);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
}
[data-theme="light"] .detail-nav {
    background: rgba(244,244,248,0.82);
}
.detail-nav-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    gap: 12px;
}
.detail-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-2);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: all 0.2s var(--ease);
    white-space: nowrap;
}
.detail-back:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    color: var(--text-1);
}
.detail-nav-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* ---------- 按钮通用 ---------- */
.detail-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s;
    text-decoration: none;
    white-space: nowrap;
}
.detail-btn:hover {
    transform: translateY(-1px);
}
.detail-btn:active {
    transform: translateY(0) scale(0.97);
}
.detail-btn-copy {
    background: var(--surface);
    color: var(--text-2);
    border: 1px solid var(--border);
}
.detail-btn-copy:hover {
    background: var(--bg-card-hover);
    color: var(--text-1);
    border-color: var(--border-hover);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.detail-btn-visit {
    background: var(--cat-color, var(--accent));
    color: #fff;
    box-shadow: 0 2px 10px color-mix(in srgb, var(--cat-color, var(--accent)) 30%, transparent);
}
.detail-btn-visit:hover {
    box-shadow: 0 6px 20px color-mix(in srgb, var(--cat-color, var(--accent)) 40%, transparent);
}

/* ======================================
   内容区
   ====================================== */
.detail-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 36px 28px 80px;
}

/* ---------- 头部卡片 ---------- */
.detail-header {
    margin-bottom: 28px;
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
    overflow: hidden;
}
/* 头部极光背景 */
.detail-header::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 200px 150px at 90% 0%, color-mix(in srgb, var(--cat-color, var(--accent)) 18%, transparent), transparent 70%),
        radial-gradient(ellipse 120px 100px at 10% 80%, color-mix(in srgb, var(--cat-color, var(--accent)) 8%, transparent), transparent 70%);
}
/* 斜切瓷砖装饰（轻量几何版） */
.detail-header::after {
    content: '';
    position: absolute;
    inset: -60% -40%;
    pointer-events: none;
    z-index: 0;
    transform: rotate(-15deg);
    background-image:
        repeating-linear-gradient(
            90deg,
            color-mix(in srgb, var(--cat-color, var(--accent)) 6%, transparent) 0px,
            color-mix(in srgb, var(--cat-color, var(--accent)) 6%, transparent) 80px,
            transparent 80px,
            transparent 94px
        ),
        repeating-linear-gradient(
            0deg,
            color-mix(in srgb, var(--cat-color, var(--accent)) 4%, transparent) 0px,
            color-mix(in srgb, var(--cat-color, var(--accent)) 4%, transparent) 48px,
            transparent 48px,
            transparent 62px
        );
    animation: tileFloat 20s linear infinite;
    opacity: 0.7;
}
@keyframes tileFloat {
    from { transform: rotate(-15deg) translateX(0); }
    to   { transform: rotate(-15deg) translateX(-94px); }
}
.detail-header-top {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}
.detail-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--bg-card-hover);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.detail-icon img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    border-radius: 10px;
}
.detail-meta {
    flex: 1;
    min-width: 0;
}
.detail-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-1);
    margin: 0 0 6px;
    line-height: 1.3;
    letter-spacing: -0.3px;
}
.detail-desc {
    font-size: 14px;
    color: var(--text-2);
    margin: 0;
    line-height: 1.6;
}
.detail-info {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
    font-size: 12px;
    color: var(--text-3);
    position: relative;
    z-index: 1;
}
.detail-info-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-weight: 500;
}
.detail-url {
    word-break: break-all;
    color: var(--cat-color, var(--accent));
}

/* ---------- 操作按钮组 ---------- */
.detail-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
    position: relative;
    z-index: 1;
}
.detail-actions .detail-btn {
    padding: 10px 22px;
    font-size: 14px;
    border-radius: 12px;
}

/* ======================================
   阅读进度条
   ====================================== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: var(--cat-color, var(--accent));
    z-index: 200;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px color-mix(in srgb, var(--cat-color, var(--accent)) 50%, transparent);
}

/* ======================================
   面包屑导航
   ====================================== */
.detail-breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-3);
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.detail-breadcrumb a {
    color: var(--text-3);
    text-decoration: none;
    transition: color 0.2s;
}
.detail-breadcrumb a:hover {
    color: var(--cat-color, var(--accent));
}
.detail-breadcrumb svg {
    opacity: 0.4;
    flex-shrink: 0;
}
.detail-breadcrumb > span {
    color: var(--text-2);
    font-weight: 500;
}

/* ======================================
   内容主体布局（TOC + 正文）
   ====================================== */
.detail-body {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}
/* ======================================
   目录导航（TOC）
   ====================================== */
.detail-toc {
    position: sticky;
    top: 72px;
    width: 200px;
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}
.toc-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.toc-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.toc-item {
    display: block;
    font-size: 12px;
    color: var(--text-3);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 6px;
    border-left: 2px solid transparent;
    transition: all 0.2s;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.toc-item:hover {
    color: var(--text-1);
    background: var(--surface);
}
.toc-item.active {
    color: var(--cat-color, var(--accent));
    border-left-color: var(--cat-color, var(--accent));
    background: color-mix(in srgb, var(--cat-color, var(--accent)) 8%, transparent);
    font-weight: 500;
}
.toc-level-1 { padding-left: 10px; }
.toc-level-2 { padding-left: 22px; font-size: 11.5px; }

/* ======================================
   Markdown 内容渲染 — 卡片容器
   ====================================== */
.detail-content-card {
    flex: 1;
    min-width: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}
.markdown-rendered {
    color: var(--text-2);
    line-height: 1.85;
    font-size: 15px;
}
.markdown-rendered h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-1);
    margin: 36px 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    letter-spacing: -0.2px;
}
.markdown-rendered h1:first-child { margin-top: 0; }
.markdown-rendered h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-1);
    margin: 28px 0 10px;
}
.markdown-rendered h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-1);
    margin: 22px 0 8px;
}
.markdown-rendered h4, .markdown-rendered h5, .markdown-rendered h6 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-1);
    margin: 18px 0 6px;
}
.markdown-rendered p {
    margin: 0 0 16px;
}
.markdown-rendered ul, .markdown-rendered ol {
    margin: 0 0 16px;
    padding-left: 22px;
}
.markdown-rendered li {
    margin-bottom: 6px;
}
.markdown-rendered li::marker {
    color: var(--cat-color, var(--accent));
}
.markdown-rendered code {
    background: var(--surface);
    padding: 2px 8px;
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.88em;
    color: var(--cat-color, var(--accent));
    border: 1px solid var(--border);
}
.markdown-rendered pre {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
    overflow-x: auto;
    margin: 0 0 16px;
}
.markdown-rendered pre code {
    background: none;
    padding: 0;
    border: none;
    color: var(--text-2);
    font-size: 13px;
    line-height: 1.7;
}
.markdown-rendered blockquote {
    border-left: 3px solid var(--cat-color, var(--accent));
    margin: 0 0 16px;
    padding: 12px 18px;
    color: var(--text-3);
    background: var(--bg-elevated);
    border-radius: 0 10px 10px 0;
}
.markdown-rendered blockquote p:last-child {
    margin-bottom: 0;
}
.markdown-rendered a {
    color: var(--cat-color, var(--accent));
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px dashed color-mix(in srgb, var(--cat-color, var(--accent)) 40%, transparent);
    transition: border-color 0.2s;
}
.markdown-rendered a:hover {
    border-bottom-style: solid;
    border-bottom-color: var(--cat-color, var(--accent));
}
.markdown-rendered img {
    max-width: 100%;
    border-radius: var(--radius);
    margin: 8px 0;
    border: 1px solid var(--border);
}
.markdown-rendered hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 28px 0;
}
.markdown-rendered table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 16px;
    font-size: 14px;
}
.markdown-rendered th, .markdown-rendered td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    text-align: left;
}
.markdown-rendered th {
    background: var(--bg-elevated);
    font-weight: 600;
    color: var(--text-1);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.markdown-rendered td {
    color: var(--text-2);
}

/* ======================================
   代码块复制按钮
   ====================================== */
.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-3);
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s;
    z-index: 2;
}
.markdown-rendered pre:hover .code-copy-btn {
    opacity: 1;
}
.code-copy-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-1);
    border-color: var(--border-hover);
}
.code-copy-btn.copied {
    color: #4ade80;
    border-color: rgba(74,222,128,0.3);
    background: rgba(74,222,128,0.08);
}

/* ======================================
   同分类推荐
   ====================================== */
.detail-related {
    margin-top: 40px;
}
.detail-related-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-1);
    margin: 0 0 16px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
}
.related-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s var(--ease);
}
.related-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}
.related-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.related-icon img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    border-radius: 6px;
}
.related-text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.related-name-row {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}
.related-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-1);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.related-name-row .tag {
    flex-shrink: 0;
}
.related-desc {
    font-size: 12px;
    color: var(--text-3);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ======================================
   回到顶部
   ====================================== */
.detail-back-top {
    position: fixed;
    bottom: 32px;
    right: 28px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-2);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.3s var(--ease);
    z-index: 90;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.detail-back-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.detail-back-top:hover {
    background: var(--cat-color, var(--accent));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 20px color-mix(in srgb, var(--cat-color, var(--accent)) 40%, transparent);
}

/* ======================================
   图片灯箱
   ====================================== */
.detail-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    cursor: zoom-out;
}
.detail-lightbox.active {
    opacity: 1;
    visibility: visible;
}
.detail-lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
    transform: scale(0.92);
    transition: transform 0.3s var(--ease);
    cursor: default;
}
.detail-lightbox.active img {
    transform: scale(1);
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s;
}
.lightbox-close:hover {
    background: rgba(255,255,255,0.2);
}
.markdown-rendered img {
    cursor: zoom-in;
}

/* ======================================
   主题切换按钮
   ====================================== */
.detail-btn-theme {
    background: var(--surface);
    color: var(--text-2);
    border: 1px solid var(--border);
    padding: 8px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.detail-btn-theme:hover {
    background: var(--bg-card-hover);
    color: var(--text-1);
    border-color: var(--border-hover);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
[data-theme="dark"] .detail-btn-theme .icon-sun  { display: inline; }
[data-theme="dark"] .detail-btn-theme .icon-moon { display: none; }
[data-theme="light"] .detail-btn-theme .icon-sun  { display: none; }
[data-theme="light"] .detail-btn-theme .icon-moon { display: inline; }

/* View Transition 圆形裁切动画 */
::view-transition-old(root),
::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
}

/* Toast 已统一使用 style.css 中的 .nav-toast */

/* ======================================
   版权信息
   ====================================== */
.detail-footer {
    padding: 8px 0;
    text-align: center;
    font-size: 11px;
    color: var(--text-3);
    opacity: 0.5;
}

/* ======================================
   响应式设计
   ====================================== */

/* 窄屏：TOC 隐藏，正文全宽 */
@media (max-width: 1080px) {
    .detail-toc { display: none; }
    .detail-body { display: block; }
    .detail-container { max-width: 860px; }
    .detail-nav-inner { max-width: 860px; }
}

@media (max-width: 768px) {
    .detail-container {
        padding: 24px 18px 60px;
    }
    .detail-header {
        padding: 22px;
    }
    .detail-content-card {
        padding: 24px 20px;
    }
    .detail-title { font-size: 22px; }
    .detail-icon { width: 50px; height: 50px; font-size: 24px; border-radius: 14px; }
    .detail-icon img { width: 36px; height: 36px; }
    .detail-actions .detail-btn { padding: 9px 18px; font-size: 13px; }
    .related-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    .detail-back-top { bottom: 20px; right: 16px; width: 38px; height: 38px; }
    .code-copy-btn { opacity: 1; }
}

@media (max-width: 480px) {
    .detail-container {
        padding: 16px 14px 48px;
    }
    .detail-header {
        padding: 18px 16px;
    }
    .detail-content-card {
        padding: 20px 16px;
    }
    .detail-nav { padding: 0 14px; }
    .detail-nav-inner { height: 48px; gap: 8px; }
    .detail-back {
        padding: 6px 10px;
        font-size: 12px;
    }
    .detail-back .back-text { display: none; }
    .detail-title { font-size: 19px; }
    .detail-desc { font-size: 13px; }
    .detail-icon { width: 44px; height: 44px; font-size: 22px; border-radius: 12px; }
    .detail-icon img { width: 30px; height: 30px; border-radius: 8px; }
    .detail-header-top { gap: 12px; }
    .detail-actions { gap: 8px; }
    .detail-actions .detail-btn { padding: 8px 16px; font-size: 13px; border-radius: 10px; flex: 1; justify-content: center; }
    .detail-info { gap: 6px; }
    .detail-info-item { padding: 3px 8px; font-size: 11px; }
    .detail-breadcrumb { font-size: 12px; margin-bottom: 14px; }
    .markdown-rendered { font-size: 14px; line-height: 1.75; }
    .markdown-rendered h1 { font-size: 19px; }
    .markdown-rendered h2 { font-size: 16px; }
    .markdown-rendered pre { padding: 14px; border-radius: 10px; }
    .markdown-rendered pre code { font-size: 12px; }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .detail-related { margin-top: 28px; }
    .detail-related-title { font-size: 15px; }
}

/* 减弱动画偏好 */
@media (prefers-reduced-motion: reduce) {
    .detail-page .detail-nav,
    .detail-page .detail-container {
        animation: none;
        opacity: 1;
        transform: none;
    }
    .reading-progress { transition: none; }
    .detail-header::after { animation: none; }
}