/* Reset và CSS cơ bản */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	background: #f7fafd;
	font-family: 'Segoe UI', Arial, sans-serif;
	min-height: 100vh;
}

/* Sidebar styles */
.sidebar {
	background: radial-gradient(120% 70% at -10% -15%, #eaf8ff 0 45%, transparent 46%), radial-gradient(90% 65% at 115% 110%, #e9fff3 0 50%, transparent 51%), linear-gradient(180deg, #ffffff 0%, #f7fbff 40%, #fafff7 100%);
	border-right: 1px solid #e0e0e0;
	min-height: 100vh;
	padding: 0;
	position: fixed;
	top: 0;
	left: 0;
	width: 250px;
	z-index: 1000;
	overflow-y: auto;
	overflow-x: hidden;
}

/* Sidebar scrollbar styling */
.sidebar::-webkit-scrollbar {
	width: 6px;
}

.sidebar::-webkit-scrollbar-track {
	background: rgba(0, 0, 0, 0.1);
	border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb {
	background: rgba(0, 0, 0, 0.3);
	border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
	background: rgba(0, 0, 0, 0.5);
}

.sidebar .avatar {
	width: 56px;
	height: 56px;
	object-fit: cover;
	border-radius: 50%;
	border: 2px solid #1976d2;
	margin-bottom: 8px;
}

/* Sidebar user styles: Đã chuyển sang DRY sidebar template */

.sidebar .nav-link {
	color: #155CA2;
	font-weight: 500;
	border-radius: 8px;
	margin-bottom: 2px;
	padding: 12px 16px;
	text-decoration: none;
	display: block;
	transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
	background: #e3f0fa;
	color: #155CA2;
}

.sidebar .nav-link.active,
.sidebar .nav-link:focus {
	background: #e3f0fa;
	color: #155CA2;
	font-weight: 700;
}

.sidebar .nav-link i {
	margin-right: 8px;
}

.sidebar .submenu {
	padding-left: 24px;
	background: #f8f9fa;
	border-radius: 8px;
	margin: 4px 16px;
}

.sidebar .submenu .nav-link {
	padding: 8px 16px;
	font-size: 14px;
}

.sidebar .logout-link {
	color: #155CA2;
	font-weight: 600;
	margin-top: 24px;
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 16px;
	text-decoration: none;
	cursor: pointer;
}

.sidebar .logout-link:hover {
	color: #e53935;
}

/* Main content */
.main-content {
	padding: 0 32px 0 282px;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.header-bar {
	background: #fff;
	border-bottom: 1px solid #e0e0e0;
	padding: 20px 0px 10px 20px;
	margin-bottom: 18px;
	border-radius: 1.2rem;
}

.breadcrumb {
	background: none;
	padding: 0;
	margin-bottom: 0;
	font-size: 1.1rem;
}

.breadcrumb-item+.breadcrumb-item::before {
	content: '>';
	color: #1976d2;
}

.page-title {
	font-weight: 900;
	color: #155CA2;
	font-size: 2rem;
	margin-bottom: 0;
}

/* Footer */
.footer-bar {
	background: #fff;
	border-top: 1px solid #e0e0e0;
	color: #155CA2;
	font-size: 15px;
	padding: 10px 32px 8px 32px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: auto;
}

.footer-bar .contact {
	display: flex;
	gap: 18px;
	align-items: center;
}

.footer-bar .help-link {
	color: #155CA2;
	text-decoration: underline;
	font-weight: 500;
}

/* Content area */
.content-area {
	flex: 1;
	padding: 20px 0;
}

/* Responsive */
@media (max-width: 900px) {
	.sidebar {
		min-width: 100px;
		width: 200px;
	}

	.main-content {
		padding: 0 8px 0 208px;
	}

	.footer-bar {
		padding: 10px 8px 8px 8px;
	}
}

@media (max-width: 768px) {
	.sidebar {
		transform: translateX(-100%);
		transition: transform 0.3s ease;
	}

	.sidebar.show {
		transform: translateX(0);
	}

	.main-content {
		padding: 0 8px;
	}
}

/* Loading states */
.loading {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 200px;
	color: #155CA2;
}

/* Error states */
.error-message {
	background: #ffebee;
	color: #c62828;
	padding: 16px;
	border-radius: 8px;
	margin: 16px 0;
	border-left: 4px solid #c62828;
}

/* Success states */
.success-message {
	background: #e8f5e8;
	color: #2e7d32;
	padding: 16px;
	border-radius: 8px;
	margin: 16px 0;
	border-left: 4px solid #2e7d32;
}

/* Utility classes */
.text-center {
	text-align: center;
}

.mt-3 {
	margin-top: 1rem;
}

.mt-5 {
	margin-top: 3rem;
}

.fw-bold {
	font-weight: bold;
}

.lead {
	font-size: 1.25rem;
	font-weight: 300;
}