/* ==========================================
   文章内容页样式 (主题变量由 theme.css 提供)
   ========================================== */

body {
    background-color: var(--article-bg) !important;
    background-image:
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px) !important;
    background-size: 40px 40px !important;
    background-attachment: fixed !important;
    color: var(--text-body);
}

/* --- 中央文章白卡 --- */
.my-article-card {
    background-color: var(--article-card-bg);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
    color: var(--article-card-text);
}

.article-title {
    color: var(--article-card-title);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.3;
}

.article-meta-info {
    font-family: Consolas, Monaco, monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-meta-info a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.article-meta-info a:hover {
    color: var(--text-title);
}

.markdown-body {
    box-sizing: border-box;
    min-width: 200px;
    max-width: 980px;
    margin: 0 auto;
    padding: 45px;
}

@media (max-width: 767px) {
    .markdown-body {
        padding: 15px;
    }
}

.markdown-body a {
    color: #377dcc;
    text-decoration: none;
}

.markdown-body a:hover {
    color: #1a5cff;
    text-decoration: underline;
}

/* --- 右侧文章目录 (毛玻璃面板) --- */
.toc-card {
    background-color: var(--toc-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--toc-border);
    border-radius: 12px;
    color: var(--text-body);
}

[data-theme="light"] .toc-card {
    color: var(--text-secondary);
}

.toc-title {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
}

.toc-sidebar ul {
    padding-left: 20px;
    list-style: none;
    font-size: 0.9rem;
    margin-bottom: 0;
}

.toc-sidebar a {
    text-decoration: none;
    color: var(--text-muted);
    display: block;
    padding: 6px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-left: 2px solid transparent;
    padding-left: 12px;
    margin-left: -14px;
    transition: all 0.2s ease;
}

.toc-sidebar a:hover {
    color: var(--text-title);
    padding-left: 16px;
    border-left-color: var(--border-strong);
}

.toc-card .card-body::-webkit-scrollbar { width: 6px; }
.toc-card .card-body::-webkit-scrollbar-track { background: transparent; }
.toc-card .card-body::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
.toc-card .card-body::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.transition-width {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- 收藏按钮动效 --- */
.fav-action-btn {
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.fav-action-btn:hover {
    color: var(--accent-color);
    transform: scale(1.05);
}

.fav-action-btn:active {
    transform: scale(0.95);
}

.fav-active {
    color: var(--accent-color) !important;
}

/* --- 刷新按钮旋转动画 --- */
.spin-anim {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

.btn-disabled {
    opacity: 0.5;
    pointer-events: none;
}