/* ========== 全局与深色模式 ========== */
html {
	scroll-behavior: smooth;
}

body {
	transition: background-color 0.3s, color 0.3s;
}

[data-bs-theme="dark"] .text-dark {
	color: #dee2e6 !important;
}

[data-bs-theme="dark"] .placeholder {
	background-color: #4f545b !important;
}

/* ========== Markdown 样式 ========== */
.markdown-body {
	overflow-x: auto;
	max-width: 100%;
	line-height: 1.6;
	font-size: 16px;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol {
	margin-top: 0;
	margin-bottom: 1em;
	overflow-wrap: break-word;
}

.markdown-body ul,
.markdown-body ol {
	padding-left: 2em;
}

.markdown-body pre {
	margin: 1em 0;
	padding: 1em;
	background-color: var(--bs-tertiary-bg, #f0f0f0);
	border: 1px solid var(--bs-border-color, #ccc);
	border-radius: 6px;
}

.markdown-body code {
	padding: 0.2em 0.4em;
	background-color: var(--bs-tertiary-bg);
	border-radius: 3px;
	font-family: ui-monospace, SFMono-Regular, SF Mono, Menlo, monospace;
}

.markdown-body blockquote {
	margin: 1em 0;
	padding: 0 1em;
	border-left: 0.25em solid var(--bs-border-color, #ccc);
}

.markdown-body table {
	border-collapse: collapse;
	margin: 1em 0;
	width: 100%;
	overflow-x: auto;
	display: block;
}

.markdown-body table th,
.markdown-body table td {
	border: 1px solid var(--bs-border-color, #dee2e6);
	padding: 0.5em;
}

.markdown-body img {
	max-width: 95%;
	height: auto;
	margin: 20px 0;
}

/* 错误提示关闭按钮 */
.close-btn {
	cursor: pointer;
	font-size: 1.2rem;
	font-weight: bold;
}

/* 返回顶部按钮 */
#back-to-top-btn {
	position: fixed;
	right: 1rem;
	bottom: 2rem;
	z-index: 999;
	display: none;
	width: 2.5rem;
	height: 2.5rem;
	align-items: center;
	justify-content: center;
	box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

#back-to-top-btn:hover {
	opacity: 0.85;
}

/* 分页组件微调 */
.pagination {
	flex-wrap: wrap;
}

.pagination .page-item .page-link {
	min-width: 2.5rem;
	text-align: center;
	margin: 2px;
}

/* input-group 小优化 */
.input-group .form-control:focus {
	box-shadow: none !important;
}

a {
	text-decoration: none !important;
	/* 全局取消下划线 */
}