/* Changelog Page Styles */
.changelog-content {
	max-width: 1200px;
	margin: 0 auto;
	padding: 2rem 0;
}

.changelog-intro h2 {
	font-size: 2rem;
	font-weight: 700;
	margin-bottom: 1.5rem;
	color: var(--accent-color);
	position: relative;
	padding-bottom: 0.5rem;
	text-align: center;
}

.changelog-intro h2::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 80px;
	height: 3px;
	background-color: var(--accent-color);
	border-radius: 2px;
}

.changelog-intro p {
	font-size: 1.1rem;
	line-height: 1.7;
	color: var(--text-secondary);
	max-width: 800px;
	margin: 0 auto;
}

/* Update Cards */
.update-card {
	background-color: var(--card-bg);
	border-radius: 0.75rem;
	box-shadow: var(--shadow);
	border: 1px solid var(--border-color);
	margin-bottom: 1rem;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
}

.update-card.expanded {
	padding: 1.5rem;
}

.update-card.collapsed {
	padding: 1.5rem;
	cursor: pointer;
}

.update-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	margin-bottom: 0;
}

.update-header-main {
	flex: 1;
}

.update-title {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--text-primary);
	margin: 0 0 0.75rem 0;
}

.update-meta {
	display: flex;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
}

.update-version {
	background-color: var(--accent-color);
	color: white;
	padding: 0.25rem 0.75rem;
	border-radius: 1rem;
	font-size: 0.9rem;
	font-weight: 600;
}

.update-date {
	color: var(--text-secondary);
	font-size: 0.9rem;
}

.update-author {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	color: var(--text-secondary);
	font-size: 0.9rem;
}

.update-author i {
	color: var(--accent-color);
}

.expand-toggle-btn {
	background: none;
	border: none;
	color: var(--accent-color);
	cursor: pointer;
	font-size: 1rem;
	padding: 0.5rem;
	margin-left: 1rem;
	border-radius: 0.375rem;
	transition: background-color 0.2s ease;
}

.expand-toggle-btn:hover {
	background-color: var(--bg-tertiary);
}

.update-content {
	margin-top: 1.5rem;
}

.update-description {
	font-size: 1.05rem;
	line-height: 1.6;
	color: var(--text-secondary);
	margin-bottom: 1.5rem;
	padding-bottom: 1.5rem;
	border-bottom: 1px solid var(--border-color);
}

.update-details {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	position: relative;
}

.update-section {
	background-color: var(--bg-tertiary);
	border-radius: 0.5rem;
	padding: 1.25rem;
	position: relative;
}

.update-section h4 {
	font-size: 1.1rem;
	font-weight: 600;
	margin-bottom: 1rem;
	color: var(--text-primary);
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.update-section h4 i {
	color: var(--accent-color);
}

.update-list {
	list-style-type: none;
	padding-left: 0;
	margin: 0;
}

.update-list li {
	position: relative;
	padding-left: 1.5rem;
	margin-bottom: 0.5rem;
	font-size: 0.95rem;
	line-height: 1.5;
	color: var(--text-secondary);
}

.update-list li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0.5rem;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background-color: var(--accent-color);
}

.update-section.added {
	border-left: 3px solid #4CAF50;
}

.update-section.changed {
	border-left: 3px solid #FFC107;
}

.update-section.removed {
	border-left: 3px solid #F44336;
}

.update-section.fixed {
	border-left: 3px solid #9C27B0;
}

/* Sections */
.section-title {
	font-size: 1.5rem;
	font-weight: 600;
	color: var(--text-primary);
	margin: 2rem 0 1rem;
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.section-title::after {
	content: '';
	position: absolute;
	bottom: -1rem;
	left: 50%;
	transform: translateX(-50%);
	width: 0rem;
	height: 0.25rem;
	background-color: var(--accent-color);
	border-radius: 0.25rem;
}

.section-title i {
	color: var(--accent-color);
}

.update-count {
	font-size: 1rem;
	font-weight: normal;
	color: var(--text-secondary);
	margin-left: 0.5rem;
}

.month-group {
	margin-bottom: 2.5rem;
}

.month-title {
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--text-primary);
	margin-bottom: 1rem;
	padding-bottom: 0.5rem;
	border-bottom: 2px solid var(--border-color);
	display: flex;
	align-items: center;
	gap: 0.75rem;
}

.month-title i {
	color: var(--accent-color);
}

.month-count {
	font-size: 0.9rem;
	font-weight: normal;
	color: var(--text-secondary);
	margin-left: auto;
}

.month-updates {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
}

.latest-update-section {
	margin-bottom: 3rem;
}

.older-updates-section {
	margin-bottom: 2rem;
}

/* Loading and Error States */
.loading-spinner {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 2rem;
}

.spinner {
	width: 40px;
	height: 40px;
	border: 4px solid var(--border-color);
	border-top: 4px solid var(--accent-color);
	border-radius: 50%;
	animation: spin 1s linear infinite;
	margin-bottom: 1rem;
}

.error-message {
	background-color: var(--card-bg);
	padding: 2rem;
	border-radius: 0.75rem;
	border: 1px solid #F44336;
}

.empty-state {
	background-color: var(--card-bg);
	padding: 2rem;
	border-radius: 0.75rem;
	border: 1px solid var(--border-color);
}

.update-card.collapsed .update-description {
	margin-bottom: 0;
	padding-bottom: 0;
	border-bottom: none;
	font-size: 1rem;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.update-card.collapsed .update-details {
	display: none;
}

/* Responsive Styles */
@media (max-width: 768px) {
	.update-header {
		flex-direction: column;
		align-items: flex-start;
		gap: 1rem;
	}

	.update-header-main {
		width: 100%;
	}

	.expand-toggle-btn {
		align-self: flex-end;
		margin-left: 0;
	}

	.update-meta {
		width: 100%;
		justify-content: space-between;
	}

	.month-title {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.5rem;
	}

	.month-count {
		margin-left: 0;
	}

	.update-card.collapsed {
		padding: 1.25rem;
		cursor: pointer;
		transition: all 0.2s ease;
	}

	.update-card.collapsed:active {
		transform: scale(0.98);
		background-color: var(--bg-tertiary);
	}

	.update-card.collapsed .update-title {
		font-size: 1.25rem;
		margin-bottom: 0.5rem;
		line-height: 1.3;
	}

	.update-card.collapsed .update-meta {
		gap: 0.75rem;
		flex-wrap: wrap;
	}

	.update-card.collapsed .update-version {
		font-size: 0.85rem;
		padding: 0.2rem 0.6rem;
	}

	.update-card.collapsed .update-date,
	.update-card.collapsed .update-author {
		font-size: 0.85rem;
	}

	.update-card.collapsed .update-description {
		font-size: 0.95rem;
		line-height: 1.5;
		margin-top: 0.75rem;
		-webkit-line-clamp: 3;
		display: -webkit-box;
		-webkit-box-orient: vertical;
		overflow: hidden;
		position: relative;
	}

	.update-card.collapsed .update-description::after {
		content: '...';
		position: absolute;
		bottom: 0;
		right: 0;
		background: linear-gradient(90deg, transparent, var(--card-bg) 50%);
		padding-left: 1rem;
	}

	.update-card.expanded {
		padding: 1.25rem;
	}

	.update-card.expanded .update-title {
		font-size: 1.3rem;
		margin-bottom: 0.75rem;
	}

	.update-card.expanded .update-description {
		font-size: 1rem;
		line-height: 1.5;
		margin-bottom: 1.25rem;
		padding-bottom: 1.25rem;
	}

	.update-section {
		padding: 1rem;
	}

	.update-section h4 {
		font-size: 1rem;
		margin-bottom: 0.75rem;
	}

	.update-list li {
		font-size: 0.9rem;
		line-height: 1.4;
		margin-bottom: 0.4rem;
		padding-left: 1.25rem;
	}

	.update-list li::before {
		top: 0.4rem;
		width: 5px;
		height: 5px;
	}
}

@media (max-width: 480px) {
	.changelog-intro h2 {
		font-size: 1.75rem;
	}

	.update-card.expanded {
		padding: 1rem;
	}

	.update-card.collapsed {
		padding: 1rem;
	}

	.update-card.collapsed .update-title {
		font-size: 1.2rem;
	}

	.update-card.expanded .update-title {
		font-size: 1.25rem;
	}

	.section-title {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.5rem;
		font-size: 1.3rem;
	}

	.update-meta {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.5rem;
	}

	.changelog-intro p {
		font-size: 1rem;
		line-height: 1.6;
	}

	.update-card.collapsed .update-description {
		font-size: 0.9rem;
		-webkit-line-clamp: 2;
	}

	.expand-toggle-btn {
		padding: 0.75rem;
		min-width: 44px;
		min-height: 44px;
	}

	.month-group {
		margin-bottom: 2rem;
	}

	.month-title {
		font-size: 1.1rem;
	}

	.latest-update-section {
		margin-bottom: 2.5rem;
	}

	.older-updates-section {
		margin-bottom: 1.5rem;
	}
}

@media (max-width: 360px) {

	.update-card.expanded,
	.update-card.collapsed {
		padding: 0.875rem;
	}

	.update-card.collapsed .update-title {
		font-size: 1.15rem;
	}

	.update-card.collapsed .update-meta {
		gap: 0.5rem;
	}

	.update-card.collapsed .update-version {
		font-size: 0.8rem;
		padding: 0.15rem 0.5rem;
	}

	.update-card.collapsed .update-date,
	.update-card.collapsed .update-author {
		font-size: 0.8rem;
	}

	.update-card.collapsed .update-description {
		font-size: 0.85rem;
		margin-top: 0.5rem;
	}
}

@keyframes spin {
	0% {
		transform: rotate(0deg);
	}

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