/* Variables */
:root {
	/* Light theme colors */
	--primary-color: #0d6efd;
	--primary-color-rgb: 13, 110, 253;
	--primary-hover: #0b5ed7;
	--primary-light: #cfe2ff;
	--secondary-color: #6c757d;
	--background-color: #f8f9fa;
	--card-bg: #ffffff;
	--text-color: #212529;
	--heading-color: #343a40;
	--border-color: #dee2e6;
	--muted-color: #6c757d;
	--highlight-color: #ffff00;
	--highlight-bg: rgba(255, 255, 0, 0.3);
	--code-bg: #f0f0f0;
	--code-color: #d63384;
	--mark-bg: #fff3cd;
	--mark-color: #664d03;
	--shadow-color: rgba(0, 0, 0, 0.1);

	/* Other variables */
	--transition-time: 0.3s;
}

/* Base styles */
body {
	background-color: var(--background-color);
	color: var(--text-color);
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	transition:
		background-color var(--transition-time),
		color var(--transition-time);
	line-height: 1.6;
}

/* Container */
.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px;
}

/* Card and containers */
.card {
	background-color: var(--card-bg);
	border-color: var(--border-color);
	box-shadow: 0 2px 5px var(--shadow-color);
	transition: all var(--transition-time);
	border-radius: 8px;
	overflow: hidden;
	margin-bottom: 1.5rem;
}

.card:hover {
	box-shadow: 0 5px 15px var(--shadow-color);
}

.card-header {
	background-color: var(--card-bg);
	border-bottom-color: var(--border-color);
	padding: 12px 16px;
	font-weight: 500;
	color: var(--heading-color);
}

.card-body {
	min-height: 100px;
	padding: 1rem;
}

/* Version tree */
.version-tree {
	height: calc(100vh - 180px); /* Fill available vertical space */
	overflow-y: auto;
	padding-right: 5px;
}

.version-group {
	margin-bottom: 10px;
}

.version-group-header {
	padding: 10px 15px;
	background-color: var(--card-bg);
	border: 1px solid var(--border-color);
	border-radius: 6px;
	margin-bottom: 6px;
	font-weight: 600;
	cursor: pointer;
	user-select: none;
	display: flex;
	justify-content: space-between;
	align-items: center;
	transition: background-color 0.2s ease;
	color: var(--heading-color);
}

.version-group-header:hover {
	background-color: var(--primary-light);
}

.version-group-header::after {
	content: '\F282';
	font-family: 'bootstrap-icons';
	font-size: 0.9rem;
	transition: transform 0.3s;
}

.version-group-header.collapsed::after {
	transform: rotate(180deg);
}

.version-sublist {
	padding-left: 12px;
	max-height: 250px;
	overflow-y: auto;
	transition: max-height 0.3s ease;
}

.version-sublist.collapsed {
	max-height: 0;
	overflow: hidden;
}

.version-item {
	cursor: pointer;
	display: flex;
	align-items: center;
	padding: 8px 12px;
	border-radius: 6px;
	margin-bottom: 4px;
	transition: all 0.2s;
	background-color: var(--card-bg);
	color: var(--text-color);
	border: 1px solid var(--border-color);
}

.version-item:hover {
	background-color: var(--primary-light);
	transform: translateY(-1px);
}

.version-item.active {
	background-color: var(--primary-color);
	color: white;
	border-color: var(--primary-color);
	font-weight: 500;
}

/* Form controls */
.form-control,
.form-select {
	background-color: var(--card-bg);
	color: var(--text-color);
	border-color: var(--border-color);
	transition: all 0.2s;
}

.form-control:focus,
.form-select:focus {
	background-color: var(--card-bg);
	color: var(--text-color);
	border-color: var(--primary-color);
	box-shadow: 0 0 0 0.25rem rgba(var(--primary-color-rgb), 0.25);
}

/* Content display */
#content-display {
	min-height: calc(100vh - 200px);
	opacity: 1;
	transition: opacity 0.3s;
	padding: 0.5rem;
}

#content-display:empty {
	display: none;
}

/* Markdown styling */
#content-display h1 {
	font-size: 1.75rem;
	border-bottom: 1px solid var(--border-color);
	padding-bottom: 0.5rem;
	margin-top: 1.5rem;
	margin-bottom: 1rem;
	color: var(--heading-color);
}

#content-display h2 {
	font-size: 1.5rem;
	margin-top: 1.5rem;
	margin-bottom: 0.75rem;
	color: var(--heading-color);
}

#content-display h3 {
	font-size: 1.25rem;
	margin-top: 1.25rem;
	margin-bottom: 0.75rem;
	color: var(--heading-color);
}

#content-display p {
	margin-bottom: 1rem;
	line-height: 1.6;
}

#content-display ul,
#content-display ol {
	margin-bottom: 1rem;
	padding-left: 2rem;
}

#content-display li {
	margin-bottom: 0.5rem;
}

#content-display code {
	padding: 0.2em 0.4em;
	background-color: var(--code-bg);
	color: var(--code-color);
	border-radius: 3px;
	font-family: SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
	font-size: 0.875em;
}

#content-display pre {
	background-color: var(--code-bg);
	padding: 1rem;
	border-radius: 6px;
	overflow-x: auto;
	margin-bottom: 1rem;
}

#content-display pre code {
	padding: 0;
	background-color: transparent;
	color: inherit;
}

#content-display blockquote {
	padding-left: 1rem;
	border-left: 4px solid var(--border-color);
	margin-left: 0;
	margin-bottom: 1rem;
	color: var(--muted-color);
}

/* Highlighted search results */
.search-highlight {
	background-color: var(--highlight-bg);
	color: var(--text-color);
	padding: 0.1em 0;
	border-radius: 2px;
}

/* Misc utilities */
.badge {
	transition: all var(--transition-time);
}

.cursor-pointer {
	cursor: pointer;
}

/* Bookmark chips */
.bookmark-chip {
	background-color: var(--primary-light);
	color: var(--text-color);
	padding: 5px 10px;
	border-radius: 16px;
	font-size: 0.8rem;
	display: inline-block;
	margin-right: 5px;
	margin-bottom: 5px;
	cursor: pointer;
	transition: all 0.2s;
}

.bookmark-chip:hover {
	background-color: var(--primary-color);
	color: white;
}

.bookmark-chip .bi-x {
	margin-left: 4px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
	.card {
		margin-bottom: 1rem;
	}

	.container {
		padding: 10px;
	}
}

/* Scrollbar styling */
::-webkit-scrollbar {
	width: 8px;
	height: 8px;
}

::-webkit-scrollbar-track {
	background: var(--background-color);
}

::-webkit-scrollbar-thumb {
	background-color: var(--border-color);
	border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
	background-color: var(--secondary-color);
}

.highlight {
	background-color: var(--highlight-bg);
	color: var(--text-color);
	font-weight: bold;
	border-radius: 2px;
	padding: 0 2px;
	box-shadow: 0 0 0 1px var(--highlight-color);
}

/* Search results styling */
.search-results-container {
	max-width: 100%;
}

.search-match-item {
	transition: background-color 0.2s;
	border-left: 3px solid transparent;
}

.search-match-item:hover {
	background-color: var(--primary-light);
	border-left-color: var(--primary-color);
}

.search-match-item code {
	display: block;
	max-width: 100%;
	overflow-x: auto;
	white-space: pre-wrap;
	word-break: break-word;
}

/* Progressbar và loading styles */
.progress-container {
	width: 100%;
	background-color: var(--border-color);
	border-radius: 4px;
	margin: 10px 0;
	overflow: hidden;
	height: 6px;
	position: relative;
}

.progress-bar {
	height: 100%;
	background-color: var(--primary-color);
	border-radius: 4px;
	transition: width 0.3s ease;
	position: relative;
}

.progress-bar.animated {
	background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
	background-size: 1rem 1rem;
	animation: progress-bar-stripes 1s linear infinite;
}

.progress-bar.indeterminate {
	width: 50% !important;
	animation: indeterminate-progress 1.5s ease-in-out infinite;
}

@keyframes progress-bar-stripes {
	from {
		background-position: 1rem 0;
	}
	to {
		background-position: 0 0;
	}
}

@keyframes indeterminate-progress {
	0% {
		left: -50%;
	}
	100% {
		left: 100%;
	}
}

#loading-container {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 5px;
	margin-bottom: 10px;
}

#loading-status {
	font-size: 0.9rem;
	color: var(--muted-color);
	margin-top: 5px;
	text-align: center;
}

/* Footer styling */
footer {
	background-color: var(--code-bg);
	border-top: 1px solid var(--border-color);
	color: var(--text-color);
}

footer h5 {
	color: var(--heading-color);
	font-weight: 600;
	position: relative;
}

footer h5::after {
	content: '';
	display: block;
	width: 50px;
	height: 2px;
	background-color: var(--primary-color);
	margin-top: 10px;
	margin-bottom: 15px;
}

footer a {
	color: var(--primary-color);
	transition: color 0.2s;
}

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

footer hr {
	border-color: var(--border-color);
	opacity: 0.5;
}

footer .flag {
	display: inline-block;
	margin-left: 3px;
}

footer .list-unstyled li {
	margin-bottom: 8px;
}

@media (max-width: 992px) {
	footer h5 {
		margin-top: 15px;
	}
}

#development-notice {
	border-radius: 8px;
	box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

/* Back to top button */
.btn-back-to-top {
	position: fixed;
	bottom: 20px;
	right: 20px;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	z-index: 1000;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
	background-color: var(--primary-color);
	color: white;
	border: none;
	outline: none;
}

.btn-back-to-top:hover,
.btn-back-to-top:focus {
	background-color: var(--primary-hover);
	transform: translateY(-3px);
}

.btn-back-to-top.visible {
	opacity: 1;
	visibility: visible;
}

/* Back to bottom button */
.btn-back-to-bottom {
	position: fixed;
	bottom: 20px;
	right: 70px; /* Position it to the left of the back-to-top button */
	width: 40px;
	height: 40px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	z-index: 1000;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
	background-color: var(--primary-color);
	color: white;
	border: none;
	outline: none;
}

.btn-back-to-bottom:hover,
.btn-back-to-bottom:focus {
	background-color: var(--primary-hover);
	transform: translateY(3px);
}

.btn-back-to-bottom.visible {
	opacity: 1;
	visibility: visible;
}

@media (max-width: 768px) {
	.btn-back-to-top,
	.btn-back-to-bottom {
		width: 35px;
		height: 35px;
		bottom: 15px;
	}

	.btn-back-to-top {
		right: 15px;
	}

	.btn-back-to-bottom {
		right: 60px;
	}
}

/* Statistics Styles */
#stats-modal .card {
	box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

#stats-modal .card-header {
	background-color: rgba(0, 0, 0, 0.03);
}

#stats-modal canvas {
	max-height: 300px;
}

#version-stats-table {
	width: 100%;
	margin-bottom: 0;
}

#version-stats-table th {
	position: sticky;
	top: 0;
	background-color: #f8f9fa;
	z-index: 10;
}

.version-link {
	color: #0d6efd;
	text-decoration: none;
}

.version-link:hover {
	text-decoration: underline;
}

/* Tip container custom styling */
.tip-container {
	border-left: 4px solid var(--primary-color);
	margin-top: 10px !important;
	margin-bottom: 10px !important;
	background-color: rgba(var(--primary-color-rgb), 0.15) !important;
	color: #333;
	font-size: 0.95rem;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.tip-container i {
	color: var(--primary-color);
	font-size: 1.05rem;
}

.tip-container .fw-semibold {
	color: var(--primary-color);
}

/* Hide the welcome page when printing */