/* Fix: Make dashboard header text readable */
.dashboard-header {
	background: #fff !important;
	color: #5c0e2a !important;
	border-radius: 1em;
	box-shadow: 0 2px 8px rgba(92,14,42,0.07);
}
.dashboard-header h1,
.dashboard-header p {
	color: #5c0e2a !important;
	background: transparent !important;
	text-shadow: none !important;
}
/* Fix: Ensure teacher dashboard text is readable on dark background */
.split-dashboard .teacher-col .dashboard {
	background: #fff !important;
	color: #5c0e2a !important;
}
.split-dashboard .teacher-col .dashboard h1,
.split-dashboard .teacher-col .dashboard h2,
.split-dashboard .teacher-col .dashboard h3,
.split-dashboard .teacher-col .dashboard p,
.split-dashboard .teacher-col .dashboard .dashboard-card,
.split-dashboard .teacher-col .dashboard .dashboard-card .card-label,
.split-dashboard .teacher-col .dashboard .dashboard-card .card-value {
	color: #5c0e2a !important;
}
.split-dashboard .teacher-col .dashboard .dashboard-card {
	background: #f8e6ef !important;
	color: #5c0e2a !important;
}
.split-dashboard .teacher-col .dashboard .dashboard-card.card-green {
	background: #e6d8f8 !important;
	color: #5c0e2a !important;
}

/* Responsive Design Improvements */
@media (max-width: 1100px) {
	.dashboard, .split-dashboard, .courses-container {
		padding: 1.2em 0.5em 1.2em 0.5em;
		max-width: 100vw;
	}
	.dashboard-cards {
		grid-template-columns: 1fr 1fr;
		gap: 1.2em;
	}
	.course-list, .course-grid {
		grid-template-columns: 1fr 1fr;
		gap: 1.2em;
	}
}

@media (max-width: 700px) {
	.dashboard, .split-dashboard, .courses-container {
		padding: 0.5em 0.2em 0.5em 0.2em;
		max-width: 100vw;
	}
	.dashboard-cards {
		grid-template-columns: 1fr;
		gap: 1em;
	}
	.course-list, .course-grid {
		grid-template-columns: 1fr;
		gap: 1em;
	}
	.dashboard-section, .course-card {
		padding: 1em 0.7em 1em 0.7em;
		border-radius: 0.7em;
	}
	.navbar-container {
		flex-direction: column;
		height: auto;
		padding: 0.5em 0.5em;
		gap: 0.5em;
	}
	.navbar-menu {
		flex-direction: column;
		gap: 0.5em;
		width: 100%;
		align-items: flex-start;
	}
	.navbar-menu a {
		width: 100%;
		padding: 0.7em 0.5em;
	}
	.user-menu {
		width: 100%;
		margin-top: 0.5em;
	}
	h1, .h1 { font-size: 2em; }
	h2, .h2 { font-size: 1.4em; }
	h3, .h3 { font-size: 1.1em; }
}
/* Typography Improvements */
h1, .h1 {
	font-size: 2.6em;
	font-weight: 700;
	letter-spacing: 0.5px;
	color: #5c0e2a;
	margin-bottom: 0.7em;
	font-family: 'Lexend', 'Segoe UI', 'Roboto', Arial, sans-serif;
}
h2, .h2 {
	font-size: 2em;
	font-weight: 600;
	color: #7a1d3e;
	margin-bottom: 0.6em;
	font-family: 'Lexend', 'Segoe UI', 'Roboto', Arial, sans-serif;
}
h3, .h3 {
	font-size: 1.4em;
	font-weight: 500;
	color: #333;
	margin-bottom: 0.5em;
	font-family: 'Lexend', 'Segoe UI', 'Roboto', Arial, sans-serif;
}
h4, .h4 {
	font-size: 1.15em;
	font-weight: 500;
	color: #555;
	margin-bottom: 0.4em;
	font-family: 'Lexend', 'Segoe UI', 'Roboto', Arial, sans-serif;
}

/* Section Divider */
.section-divider {
	border: none;
	border-top: 3px solid #5c0e2a;
	margin: 2.5em 0 2em 0;
}

/* Improve paragraph readability */
p, .p {
	font-size: 1.08em;
	line-height: 1.7;
	color: #333;
	margin-bottom: 1.2em;
}

/* List improvements */
ul, ol {
	font-size: 1.08em;
	margin-bottom: 1.2em;
	color: #333;
	padding-left: 2em;
}
/* General UI Improvements: Padding and Whitespace */
.dashboard, .split-dashboard {
	padding: 2.5em 2em 2em 2em;
	max-width: 1200px;
	margin: 0 auto;
}
.dashboard-section {
	margin-bottom: 2.5em;
}
.course-list {
	margin-bottom: 2em;
}
/* Student View Preview Card */
.student-preview-card {
	background: #faf7fa;
	border: 2px solid #e0e0e0;
	border-radius: 1em;
	box-shadow: 0 2px 10px rgba(92,14,42,0.07);
	padding: 2em 2em 1.5em 2em;
	margin: 2em 0;
	max-width: 420px;
}
.student-preview-title {
	font-size: 1.3em;
	color: #7a1d3e;
	font-weight: 600;
	margin-bottom: 1em;
	letter-spacing: 0.5px;
}
.student-preview-content {
	font-size: 1em;
	color: #555;
	font-weight: 400;
}
/* Course List Improvements */
.course-list {
	margin-top: 1.5em;
}
.course-card {
	padding: 1.2em 1.5em;
	margin-bottom: 0.5em;
	background: #fff;
	border-radius: 0.7em;
	box-shadow: 0 2px 8px rgba(92,14,42,0.07);
}
.course-desc {
	font-size: 0.98em;
	color: #555;
	margin-bottom: 0.7em;
	font-weight: 400;
}
.course-meta {
	font-size: 0.95em;
	color: #7a1d3e;
	margin-bottom: 0.7em;
	display: flex;
	gap: 1.2em;
}
.course-actions {
	margin-bottom: 0.2em;
}
.course-action-list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	gap: 1em;
}
.course-action-list li {
	display: inline-block;
}
.course-divider {
	border: none;
	border-top: 1.5px solid #e0e0e0;
	margin: 1.2em 0;
}
/* Dashboard Cards Styling */
.dashboard-cards {
	display: flex;
	gap: 2em;
	margin-bottom: 2em;
}
.dashboard-card {
	background: #5c0e2a;
	color: #fff;
	border-radius: 1em;
	box-shadow: 0 2px 12px rgba(92,14,42,0.10);
	padding: 1.5em 2.2em;
	min-width: 180px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	font-size: 1.15em;
	transition: box-shadow 0.2s, transform 0.2s;
}
.dashboard-card.card-green {
	background: #7a1d3e;
}
.dashboard-card:hover {
	box-shadow: 0 4px 18px rgba(92,14,42,0.18);
	transform: translateY(-2px) scale(1.03);
}
.dashboard-card .card-icon {
	font-size: 2.5em;
	margin-bottom: 0.5em;
	color: #fff;
}
.dashboard-card .card-value {
	font-size: 2.2em;
	font-weight: bold;
	margin-bottom: 0.2em;
}
.dashboard-card .card-label {
	font-size: 1.08em;
	opacity: 0.85;
}
/* Feedback Boxes Flex Row for Python/Javascript */
.feedback-flex-row {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	gap: 1.5em;
	align-items: flex-start;
	margin-bottom: 1.5em;
	width: 100%;
	justify-content: flex-start;
}

.feedback-flex-row .feedback-box {
	flex: 1 1 45%;
	min-width: 320px;
	max-width: 480px;
	margin-bottom: 1.5em;
}
/* Debug Example Box (Left Column) */
.debug-example-box {
	background: #f4f4f4;
	border-radius: 0.7em;
	box-shadow: 0 2px 8px rgba(0,0,0,0.06);
	border: 1.5px solid #e0e0e0;
	padding: 1.1em 1.2em 1.1em 1.2em;
	margin-bottom: 1.5em;
	max-width: 540px;
	min-width: 320px;
	font-size: 1.08em;
}
.debug-example-box pre {
	background: #ededed;
	border-radius: 0.4em;
	padding: 0.7em 1em;
	font-size: 0.98em;
	margin: 0.5em 0 1em 0;
	color: #222;
	overflow-x: auto;
}
/* Debugging Lesson Flexbox Row Styles */
.debug-flex-row {
	display: flex;
	flex-wrap: wrap;
	gap: 2em;
	justify-content: center;
	margin-bottom: 2em;
}
/* Sidebar improvements - NO LONGER USED (replaced with navbar) */
/* Previous sidebar styles removed */
/* ...existing code... */
	 color: #222;
	 overflow-x: auto;
	 white-space: pre-wrap;
	 word-break: break-word;
}
}
.debug-flex-box {
	flex: 1 1 350px;
	min-width: 320px;
	max-width: 420px;
	background: #f4f4f4;
	border-radius: 0.7em;
	box-shadow: 0 2px 8px rgba(0,0,0,0.06);
	margin-bottom: 0;
	display: flex;
	flex-direction: column;
	overflow: hidden;
	border: 1.5px solid #e0e0e0;
}
.debug-box-heading {
	background: #ff7e73;
	color: #fff;
	font-size: 1.25em;
	font-weight: bold;
	padding: 0.9em 1.2em 0.7em 1.2em;
	border-bottom: 1px solid #f4f4f4;
	letter-spacing: 0.5px;
}
.debug-box-details {
	background: #f4f4f4;
	color: #222;
	font-size: 1.08em;
	padding: 1.2em 1.3em 1.2em 1.3em;
	min-height: 180px;
}
.debug-box-details ul {
	margin: 0.7em 0 0.7em 1.2em;
	padding-left: 1.2em;
}
.debug-box-details pre {
	background: #ededed;
	border-radius: 0.4em;
	padding: 0.7em 1em;
	font-size: 0.98em;
	margin: 0.5em 0 1em 0;
	color: #222;
	overflow-x: auto;
}
.box-title {
	background: #ff7e73;
	color: #fff;
	font-size: 1.08em;
	font-weight: bold;
	padding: 0.6em 1.1em 0.5em 1.1em;
	border-bottom: 1px solid #f4f4f4;
	letter-spacing: 0.2px;
	border-top-left-radius: 0.5em;
	border-top-right-radius: 0.5em;
	margin-bottom: 0.2em;
	box-shadow: none;
/* Dashboard Cards Styling */
.dashboard-cards {
	 display: grid;
	 grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	 gap: 2.5em;
	 margin-bottom: 2.5em;
}
.dashboard-card {
	 background: #5c0e2a;
	 color: #fff;
	 border-radius: 1.2em;
	 box-shadow: 0 4px 16px rgba(92,14,42,0.10);
	 padding: 2em 2.5em;
	 min-width: 180px;
	 display: flex;
	 flex-direction: column;
	 align-items: center;
	 justify-content: center;
	 font-size: 1.18em;
	 transition: box-shadow 0.2s, transform 0.2s;
}
.dashboard-card.card-green {
	 background: #7a1d3e;
}
.dashboard-card:hover {
	 box-shadow: 0 8px 24px rgba(92,14,42,0.18);
	 transform: translateY(-4px) scale(1.03);
}
.dashboard-card .card-icon {
	 font-size: 2.7em;
	 margin-bottom: 0.7em;
	 color: #fff;
}
.dashboard-card .card-value {
	 font-size: 2.3em;
	 font-weight: bold;
	 margin-bottom: 0.3em;
}
.dashboard-card .card-label {
	 font-size: 1.12em;
	 opacity: 0.88;
}
}
/* Comment Feedback Right Boxes Styles */
.comment-feedback-right {
	 margin-bottom: 3em;
	 padding: 2em 2em 1.5em 2em;
	 background: #fff;
	 border-radius: 1em;
	 box-shadow: 0 2px 8px rgba(92,14,42,0.07);
	 border: 1.5px solid #e0e0e0;
	display: flex;
	flex-direction: column;
	gap: 1.5em;
	max-width: 540px;
	margin: 0 0 0 auto;
}
/* Removed duplicate .feedback-box rule above. Use only the one below. */
.feedback-heading {
	font-size: 1.08em;
	font-weight: bold;
	margin-bottom: 0.4em;
}
/* Feedback box sizing for better text fit */
.feedback-box {
	border-radius: 0.7em;
	box-shadow: 0 2px 8px rgba(0,0,0,0.06);
/* Course List Improvements */
.course-list, .course-grid {
	 margin-top: 2em;
	 display: grid;
	 grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	 gap: 2em;
}
.course-card {
	 padding: 2em 2em 1.5em 2em;
	 margin-bottom: 0;
	 background: #fff;
	 border-radius: 1em;
	 box-shadow: 0 4px 16px rgba(92,14,42,0.10);
	 border: 1.5px solid #e0e0e0;
	 transition: box-shadow 0.2s, transform 0.2s;
}
.course-card:hover {
	 box-shadow: 0 8px 24px rgba(92,14,42,0.18);
	 transform: translateY(-4px) scale(1.02);
}
	margin-bottom: 0;
	display: flex;
	flex-direction: column;
	overflow: auto;
	border: 1.5px solid #e0e0e0;
	box-sizing: border-box;
	align-self: flex-start;
	min-width: 320px;
	max-width: 480px;
	width: 100%;
	word-break: break-word;
}
}
	max-width: 900px;
	margin: 2em auto;
	box-shadow: 0 2px 12px rgba(0,0,0,0.06);
	overflow: hidden;
}
.assessment-checking-box .main-heading {
	background: #f76c6c;
	color: #222;
	font-size: 1.7em;
	font-weight: bold;
	padding: 1em 1.5em 0.7em 1.5em;
	border-bottom: 1px solid #e0e0e0;
}
.assessment-checking-box .description {
	padding: 1.5em 2em 2em 2em;
}
.assessment-checking-box h3 {
	margin-top: 1.2em;
	color: #c0392b;
	font-size: 1.15em;
	font-weight: bold;
}
.assessment-checking-box ul {
	margin: 0.5em 0 1em 1.5em;
	padding-left: 1em;
}
.assessment-checking-box li {
	margin-bottom: 0.3em;
}
/* Force summary conventions block to two columns */
.lesson-content .summary-conventions-row,
.summary-conventions-row {
	display: flex !important;
	flex-direction: row !important;
	gap: 2em !important;
	margin-bottom: 1em !important;
	width: 100% !important;
	box-sizing: border-box !important;
}
.summary-conventions-row .comment-conventions-col {
	flex: 1 1 0 !important;
	min-width: 200px !important;
}
@media (max-width: 700px) {
	.lesson-content .summary-conventions-row,
	.summary-conventions-row {
		flex-direction: column !important;
		gap: 0.5em !important;
	}
}
/* Dashboard Stat Cards */
.dashboard-cards {
	display: flex;
	gap: 16px;
	margin-bottom: 2rem;
}
.dashboard-card {
	flex: 1 1 200px;
	background: #2196f3;
	color: #fff;
	border-radius: 4px;
	padding: 24px 20px 16px 20px;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	min-width: 180px;
	min-height: 100px;
	position: relative;
	box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.dashboard-card .card-icon {
	font-size: 2.2em;
	opacity: 0.9;
	position: absolute;
	top: 18px;
	left: 18px;
}
.dashboard-card .card-value {
	font-size: 2em;
	font-weight: 600;
	position: absolute;
	top: 18px;
	right: 24px;
}
.dashboard-card .card-label {
	position: absolute;
	left: 18px;
	bottom: 18px;
	font-size: 1.2em;
	font-weight: 400;
	opacity: 0.95;
}
.dashboard-card.card-green {
	background: #009688;
}
/* Split Dashboard Fix */
.split-dashboard {
	display: flex !important;
	flex-direction: row !important;
	gap: 2rem;
	align-items: flex-start;
	min-height: 80vh;
	width: 100%;
}
.split-dashboard .teacher-col, .split-dashboard .student-col {
	flex: 1 1 50%;
	min-width: 340px;
	max-width: 50%;
	box-sizing: border-box;
}
.split-dashboard .student-col {
	border-left: 2px solid #eee;
	padding-left: 2rem;
}
@media (max-width: 900px) {
	.split-dashboard {
		flex-direction: column !important;
	}
	.split-dashboard .teacher-col, .split-dashboard .student-col {
		max-width: 100% !important;
		border-left: none !important;
		padding-left: 0 !important;
	}
}
/* Reset and Base Styles */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--primary-color: #007bff;
	--secondary-color: #6c757d;
	--success-color: #28a745;
	--danger-color: #dc3545;
	--warning-color: #ffc107;
	--info-color: #17a2b8;
	--light-bg: #f8f9fa;
	--dark-text: #212529;
	--border-color: #dee2e6;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
	line-height: 1.6;
	color: var(--dark-text);
	background-color: #fff;
}

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

/* Navigation */
.navbar {
	background-color: var(--primary-color);
	color: white;
	padding: 1rem 0;
	box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.navbar .logo {
	body {
		font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
		background: #f5f5f5;
		margin: 0;
		padding: 0;
		min-height: 100vh;
	}

	/* Flash Messages */
	.flash-messages {
		margin-bottom: 1.5rem;
	}
	.alert {
		padding: 0.75rem 1.25rem;
		border-radius: 4px;
		margin-bottom: 0.5rem;
		font-size: 1rem;
		border-left: 6px solid #5c0e2a;
		background: #fff;
		color: #5c0e2a;
		box-shadow: 0 2px 6px rgba(92,14,42,0.05);
	}
	.alert-success {
		border-color: #28a745;
		color: #155724;
		background: #d4edda;
	}
	.alert-danger {
		border-color: #dc3545;
		color: #721c24;
		background: #f8d7da;
	}
	.alert-warning {
		border-color: #ffc107;
		color: #856404;
		background: #fff3cd;
	}
	.alert-info {
		border-color: #17a2b8;
		color: #0c5460;
		background: #d1ecf1;
	}
	/* Utility */
	.text-center {
		text-align: center;
	}

	/* W3CSS styles removed - using new CSS architecture */

.btn-secondary {
	background-color: var(--secondary-color);
	color: white;
}

.btn-secondary:hover {
	background-color: #545b62;
}

.btn-success {
	background-color: var(--success-color);
	color: white;
}

.btn-success:hover {
	background-color: #218838;
}

.btn-danger {
	background-color: var(--danger-color);
	color: white;
}

.btn-lg {
	padding: 0.75rem 2rem;
	font-size: 1.125rem;
}

.btn-sm {
	padding: 0.25rem 0.75rem;
	font-size: 0.875rem;
}

.btn-block {
	display: block;
	width: 100%;
}

/* Forms */
.auth-container {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 60vh;
}

.auth-card {
	background: white;
	padding: 2rem;
	border-radius: 8px;
	box-shadow: 0 4px 6px rgba(0,0,0,0.1);
	width: 100%;
	max-width: 400px;
}

.auth-card h2 {
	margin-bottom: 1.5rem;
	text-align: center;
}

.form-group {
	margin-bottom: 1rem;
}

.form-group label {
	display: block;
	margin-bottom: 0.5rem;
	font-weight: 500;
}

.form-control {
	width: 100%;
	padding: 0.5rem;
	border: 1px solid var(--border-color);
	border-radius: 4px;
	font-size: 1rem;
}

.form-control:focus {
	outline: none;
	border-color: var(--primary-color);
	box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
}

.form-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

.form-group.checkbox {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.error {
	color: var(--danger-color);
	font-size: 0.875rem;
	margin-top: 0.25rem;
}

/* Alerts */
.flash-messages {
	margin-bottom: 1rem;
}

.alert {
	padding: 1rem;
	border-radius: 4px;
	margin-bottom: 1rem;
}

.alert-success {
	background-color: #d4edda;
	border: 1px solid #c3e6cb;
	color: #155724;
}

.alert-danger {
	background-color: #f8d7da;
	border: 1px solid #f5c6cb;
	color: #721c24;
}

.alert-info {
	background-color: #d1ecf1;
	border: 1px solid #bee5eb;
	color: #0c5460;
}

.alert-warning {
	background-color: #fff3cd;
	border: 1px solid #ffeaa7;
	color: #856404;
}

/* Dashboard */
.dashboard h1 {
	margin-bottom: 2rem;
}

.dashboard-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.dashboard-section {
	margin-bottom: 2rem;
}

.dashboard-section h2 {
	margin-bottom: 1rem;
	padding-bottom: 0.5rem;
	border-bottom: 2px solid var(--primary-color);
}

.section-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 1rem;
}

.stats-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 1rem;
	margin-bottom: 2rem;
}

.stat-card {
	background: var(--light-bg);
	padding: 2rem;
	border-radius: 8px;
	text-align: center;
}

.stat-card h3 {
	font-size: 2.5rem;
	color: var(--primary-color);
	margin-bottom: 0.5rem;
}

/* Course Cards */
.course-list, .course-grid {
	display: grid;
	gap: 1.5rem;
}

.course-grid {
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.course-card {
	background: white;
	border: 1px solid var(--border-color);
	border-radius: 8px;
	padding: 1.5rem;
	transition: box-shadow 0.3s;
}

.course-card:hover {
	box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.course-card h3 {
	margin-bottom: 0.75rem;
}

.course-card h3 a {
	color: var(--primary-color);
	text-decoration: none;
}

.course-card h3 a:hover {
	text-decoration: underline;
}

.course-meta {
	display: flex;
	gap: 1rem;
	font-size: 0.875rem;
	color: var(--secondary-color);
	margin-top: 1rem;
}

.course-actions {
	display: flex;
	gap: 0.5rem;
	margin-top: 1rem;
	flex-wrap: wrap;
}

/* Lessons */
.lessons-list {
	list-style: none;
}

.lesson-item {
	padding: 1rem;
	border: 1px solid var(--border-color);
	border-radius: 4px;
	margin-bottom: 0.5rem;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.lesson-item.completed {
	background-color: #e8f5e9;
}

.lesson-item h3 {
	font-size: 1.125rem;
	margin-bottom: 0;
}

.lesson-item a {
	color: var(--dark-text);
	text-decoration: none;
}

.lesson-item a:hover {
	color: var(--primary-color);
}

.badge {
	display: inline-block;
	padding: 0.25rem 0.5rem;
	border-radius: 4px;
	font-size: 0.875rem;
	font-weight: 500;
}

.badge-success {
	background-color: var(--success-color);
	color: white;
}

/* Assignments */
.assignment-list {
	list-style: none;
}

.assignment-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 0.75rem;
	border-bottom: 1px solid var(--border-color);
}

.assignment-item a {
	color: var(--primary-color);
	text-decoration: none;
}

.assignment-item a:hover {
	text-decoration: underline;
}

.due-date {
	font-size: 0.875rem;
	color: var(--secondary-color);
}

/* Footer */
.footer {
	background-color: var(--light-bg);
	padding: 2rem 0;
	margin-top: 3rem;
	text-align: center;
	color: var(--secondary-color);
}

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

.text-muted {
	color: var(--secondary-color);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* Google Sign-In Button */
.google-signin-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	background-color: white;
	color: #3c4043;
	border: 1px solid #dadce0;
	border-radius: 0.375rem;
	padding: 0.625rem 1.5rem;
	font-size: 0.95rem;
	font-weight: 500;
	text-decoration: none;
	cursor: pointer;
	transition: all 0.2s ease;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.google-signin-btn:hover {
	background-color: #f8f9fa;
	border-color: #dadce0;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.google-signin-btn:active {
	background-color: #f8f9fa;
	border-color: #4285f4;
	box-shadow: 0 0 0 3px rgba(66, 133, 244, 0.1);
}

.google-signin-btn .google-icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

/* Responsive */
@media (max-width: 768px) {
	.hero h1 {
		font-size: 2rem;
	}
    
	.nav-links {
		gap: 1rem;
/* ===== RESPONSIVE TABLE FIXES ===== */
@media (max-width: 768px) {
	/* Make tables scrollable on mobile */
	table {
		font-size: 0.9em;
	}

	table th,
	table td {
		padding: 0.75rem 0.5rem;
	}

	.submissions-table th,
	.submissions-table td {
		padding: 0.7rem 0.5rem;
	}

	/* Stack form fields */
	.form-row,
	.form-group-row {
		grid-template-columns: 1fr;
	}

	/* Reduce padding for cards */
	.card,
	.enrollment-card,
	.stat-card,
	.dashboard-card {
		padding: 1rem;
	}

	/* Responsive grid */
	.grid,
	.dashboard-grid,
	.course-grid,
	.enrollments-grid,
	.courses-grid {
		grid-template-columns: 1fr;
	}

	/* Stack button groups */
	.button-group {
		flex-direction: column;
	}

	.button-group button,
	.button-group .btn {
		width: 100%;
	}

	/* Responsive typography */
	h1 {
		font-size: 1.8em;
	}

	h2 {
		font-size: 1.4em;
	}

	h3 {
		font-size: 1.1em;
	}
}

@media (max-width: 480px) {
	body {
		font-size: 14px;
	}

	.dashboard,
	.split-dashboard,
	.main-content {
		padding: 1rem 0.75rem;
	}

	h1 {
		font-size: 1.5em;
	}

	h2 {
		font-size: 1.2em;
	}

	.stat-card .stat-number {
		font-size: 1.8em;
	}

	.stat-card .stat-label {
		font-size: 0.85em;
	}

	.action-button,
	.btn {
		padding: 0.7em 1rem;
		font-size: 0.95em;
	}

	.assignment-item {
		padding: 0.9rem;
	}

	.assignment-meta {
		gap: 0.5rem;
	}

	/* Reduce grid gaps on mobile */
	.stats-grid,
	.courses-grid,
	.enrollments-grid {
		gap: 1rem;
	}

	/* Make mobile menu items larger for touch */
	.mobile-menu a,
	.mobile-menu button {
		padding: 1rem 1.25rem;
		min-height: 44px;
		display: flex;
		align-items: center;
	}
}

/* ===== EXTRA SMALL DEVICES ===== */
@media (max-width: 360px) {
	.navbar-brand {
		font-size: 1em;
	}

	.main-content {
		padding: 0.75rem 0.5rem;
	}

	h1 {
		font-size: 1.3em;
	}

	.alert {
		padding: 0.6em 0.8em;
		font-size: 0.9em;
	}

	table {
		font-size: 0.85em;
	}

	table th,
	table td {
		padding: 0.5rem 0.3rem;
	}
}

		font-size: 0.875rem;
	}
    
	.form-row {
		grid-template-columns: 1fr;
	}
    
	.hero-actions {
		flex-direction: column;
		align-items: center;
	}
}

/* ========== Loading States & Spinners ========== */

/* Spinner Base Styles */
.spinner {
	display: inline-block;
	width: 2rem;
	height: 2rem;
	border: 3px solid #e0e0e0;
	border-top-color: #7a1d3e;
	border-radius: 50%;
	animation: spin 1s linear infinite;
}

.spinner-sm {
	width: 1rem;
	height: 1rem;
	border-width: 2px;
}

.spinner-lg {
	width: 3rem;
	height: 3rem;
	border-width: 4px;
}

.spinner-primary {
	border-color: rgba(122, 29, 62, 0.2);
	border-top-color: #7a1d3e;
}

.spinner-secondary {
	border-color: rgba(52, 152, 219, 0.2);
	border-top-color: #3498db;
}

.spinner-danger {
	border-color: rgba(231, 76, 60, 0.2);
	border-top-color: #e74c3c;
}

.spinner-success {
	border-color: rgba(46, 204, 113, 0.2);
	border-top-color: #2ecc71;
}

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

/* Pulse Animation */
.pulse {
	animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.5; }
}

/* Skeleton Loading */
.skeleton {
	background: linear-gradient(
		90deg,
		#f0f0f0 25%,
		#e0e0e0 50%,
		#f0f0f0 75%
	);
	background-size: 200% 100%;
	animation: loading 1.5s infinite;
}

@keyframes loading {
	0% { background-position: 200% 0; }
	100% { background-position: -200% 0; }
}

.skeleton-text {
	height: 1.2rem;
	margin-bottom: 0.8rem;
	border-radius: 0.4rem;
}

.skeleton-title {
	height: 1.8rem;
	margin-bottom: 1rem;
	border-radius: 0.4rem;
}

.skeleton-avatar {
	width: 3rem;
	height: 3rem;
	border-radius: 50%;
}

/* Loading Overlay */
.loading-overlay {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.5);
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 9999;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s, visibility 0.3s;
}

.loading-overlay.active {
	opacity: 1;
	visibility: visible;
}

.loading-content {
	background: white;
	padding: 2rem;
	border-radius: 0.8rem;
	text-align: center;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.loading-content h3 {
	margin-top: 1rem;
	color: #333;
	font-size: 1.1rem;
}

/* Loading Button States */
.btn.loading {
	position: relative;
	color: transparent;
	pointer-events: none;
	opacity: 0.7;
}

.btn.loading::after {
	content: '';
	position: absolute;
	width: 1rem;
	height: 1rem;
	top: 50%;
	left: 50%;
	margin: -0.5rem 0 0 -0.5rem;
	border: 2px solid #f0f0f0;
	border-radius: 50%;
	border-top-color: #fff;
	animation: spin 0.8s linear infinite;
}

/* Loading Input States */
.form-group.loading input,
.form-group.loading textarea,
.form-group.loading select {
	background-color: #f9f9f9;
	cursor: not-allowed;
	opacity: 0.6;
}

.form-group.loading input::placeholder {
	color: #ccc;
}

/* Fade In/Out Transitions */
.fade-enter {
	opacity: 0;
}

.fade-enter-active {
	animation: fadeIn 0.3s ease-in;
}

.fade-exit {
	opacity: 1;
}

.fade-exit-active {
	animation: fadeOut 0.3s ease-out;
}

@keyframes fadeIn {
	from { opacity: 0; }
	to { opacity: 1; }
}

@keyframes fadeOut {
	from { opacity: 1; }
	to { opacity: 0; }
}

/* Slide Down Animation for Modals */
.slide-down-enter {
	transform: translateY(-2rem);
	opacity: 0;
}

.slide-down-enter-active {
	animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
	from {
		transform: translateY(-2rem);
		opacity: 0;
	}
	to {
		transform: translateY(0);
		opacity: 1;
	}
}

/* Progress Bar Loading */
.progress-bar-loading {
	position: relative;
	overflow: hidden;
}

.progress-bar-loading::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	width: 100%;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(255, 255, 255, 0.3),
		transparent
	);
	animation: shimmer 2s infinite;
}

@keyframes shimmer {
	0% { transform: translateX(-100%); }
	100% { transform: translateX(100%); }
}

/* ========== Toast Notifications ========== */

/* Toast Container */
.toast-container {
	position: fixed;
	z-index: 10000;
	pointer-events: none;
	display: flex;
	flex-direction: column;
	gap: 1rem;
	padding: 1.5rem;
}

.toast-container.toast-top-right {
	top: 0;
	right: 0;
}

.toast-container.toast-top-left {
	top: 0;
	left: 0;
}

.toast-container.toast-bottom-right {
	bottom: 0;
	right: 0;
}

.toast-container.toast-bottom-left {
	bottom: 0;
	left: 0;
}

.toast-container.toast-top-center {
	top: 0;
	left: 50%;
	transform: translateX(-50%);
}

.toast-container.toast-bottom-center {
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
}

/* Toast Element */
.toast {
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: white;
	border-radius: 0.6rem;
	padding: 1.2rem 1.5rem;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
	min-width: 300px;
	max-width: 400px;
	pointer-events: all;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Toast Animations */
.toast.toast-enter {
	opacity: 0;
	transform: translateX(100%);
}

.toast.toast-show {
	opacity: 1;
	transform: translateX(0);
}

.toast.toast-exit {
	opacity: 0;
	transform: translateX(100%);
}

.toast-container.toast-top-left .toast.toast-enter,
.toast-container.toast-bottom-left .toast.toast-enter {
	transform: translateX(-100%);
}

.toast-container.toast-top-left .toast.toast-exit,
.toast-container.toast-bottom-left .toast.toast-exit {
	transform: translateX(-100%);
}

.toast-container.toast-top-center .toast.toast-enter,
.toast-container.toast-bottom-center .toast.toast-enter {
	transform: translateY(-100%);
	opacity: 0;
}

.toast-container.toast-top-center .toast.toast-exit,
.toast-container.toast-bottom-center .toast.toast-exit {
	transform: translateY(-100%);
	opacity: 0;
}

.toast-container.toast-bottom-center .toast.toast-enter,
.toast-container.toast-bottom-center .toast.toast-exit {
	transform: translateY(100%);
}

/* Toast Types */
.toast-success {
	border-left: 4px solid #2ecc71;
}

.toast-success .toast-icon {
	color: #2ecc71;
}

.toast-error {
	border-left: 4px solid #e74c3c;
}

.toast-error .toast-icon {
	color: #e74c3c;
}

.toast-warning {
	border-left: 4px solid #f39c12;
}

.toast-warning .toast-icon {
	color: #f39c12;
}

.toast-info {
	border-left: 4px solid #3498db;
}

.toast-info .toast-icon {
	color: #3498db;
}

/* Toast Content */
.toast-content {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	flex: 1;
}

.toast-icon {
	font-size: 1.3rem;
	flex-shrink: 0;
}

.toast-message {
	font-size: 0.95rem;
	color: #333;
	font-weight: 500;
}

/* Toast Close Button */
.toast-close {
	background: none;
	border: none;
	color: #999;
	cursor: pointer;
	padding: 0.25rem 0.5rem;
	margin-left: 0.75rem;
	font-size: 1.2rem;
	transition: all 0.2s;
}

.toast-close:hover {
	color: #666;
	transform: scale(1.1);
}

/* Toast Hover Effect */
.toast:hover {
	box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
	transform: translateX(-4px);
}

.toast-container.toast-top-left .toast:hover,
.toast-container.toast-bottom-left .toast:hover {
	transform: translateX(4px);
}

.toast-container.toast-top-center .toast:hover,
.toast-container.toast-bottom-center .toast:hover {
	transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
	.toast-container {
		padding: 1rem;
	}
    
	.toast {
		min-width: 280px;
		max-width: 95vw;
		font-size: 0.9rem;
		padding: 1rem 1.2rem;
	}
    
	.toast-message {
		font-size: 0.9rem;
	}
}

@media (max-width: 480px) {
	.toast-container {
		padding: 0.75rem;
	}
    
	.toast {
		min-width: auto;
		max-width: 100%;
		width: calc(100vw - 1.5rem);
		padding: 0.8rem 1rem;
	}
    
	.toast-icon {
		font-size: 1.1rem;
	}
    
	.toast-message {
		font-size: 0.85rem;
	}
}

/* ===== CODE SYNTAX HIGHLIGHTING ===== */
.syntax-highlight {
	position: relative;
	background: #282c34;
	border-radius: 0.5em;
	overflow: hidden;
	margin: 1.5em 0;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.syntax-highlight pre {
	margin: 0;
	padding: 1.25em 1em;
	font-family: 'Fira Code', 'Courier New', monospace;
	font-size: 0.9em;
	line-height: 1.5;
	overflow-x: auto;
	background: transparent;
}

.syntax-highlight code {
	font-family: 'Fira Code', 'Courier New', monospace;
	background: transparent;
	color: #abb2bf;
}

/* Language label */
.language-label {
	position: absolute;
	top: 0.5em;
	right: 3.5em;
	background: rgba(255, 255, 255, 0.1);
	color: #abb2bf;
	padding: 0.25em 0.75em;
	border-radius: 0.3em;
	font-size: 0.75em;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	z-index: 1;
	backdrop-filter: blur(5px);
}

/* Copy button styling */
.copy-btn {
	position: absolute;
	top: 0.5em;
	right: 0.5em;
	background: rgba(76, 175, 80, 0.8);
	color: white;
	border: none;
	padding: 0.5em 1em;
	border-radius: 0.3em;
	cursor: pointer;
	font-size: 0.85em;
	font-weight: 600;
	display: flex;
	align-items: center;
	gap: 0.5em;
	transition: all 0.2s;
	z-index: 2;
	backdrop-filter: blur(5px);
}

.copy-btn:hover {
	background: rgba(76, 175, 80, 1);
	transform: translateY(-2px);
	box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.copy-btn:active {
	transform: translateY(0);
}

.copy-btn i {
	font-size: 0.9em;
}

/* Line numbers styling */
.line-numbers {
	padding-left: 3em !important;
}

.line-numbers code {
	position: relative;
	white-space: inherit;
}

.line-numbers .line-numbers-rows {
	position: absolute;
	pointer-events: none;
	top: 1.25em;
	font-size: inherit;
	letter-spacing: -1px;
	border-right: 1px solid rgba(255, 255, 255, 0.1);
	user-select: none;
	left: 0;
	width: 2.5em;
	padding: 0 0.5em;
	text-align: right;
	color: #6e7681;
}

.line-numbers .line-numbers-rows > span {
	display: block;
	counter-increment: linenumber;
	line-height: 1.5;
}

/* Prism theme customization */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
	color: #5c6370;
}

.token.punctuation {
	color: #abb2bf;
}

.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
	color: #e06c75;
}

.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
	color: #98c379;
}

.token.operator,
.token.entity,
.token.url {
	color: #56b6c2;
}

.token.atrule,
.token.keyword {
	color: #c678dd;
}

.token.function,
.token.class-name {
	color: #61afef;
}

.token.attr-value {
	color: #98c379;
}

/* Code block in lesson content */
.lesson-content pre {
	background: #282c34;
	border-radius: 0.5em;
	padding: 1.25em 1em;
	overflow-x: auto;
	margin: 1.5em 0;
}

.lesson-content code {
	font-family: 'Fira Code', 'Courier New', monospace;
	font-size: 0.9em;
	line-height: 1.5;
}

.lesson-content pre code {
	background: transparent;
}

/* Inline code styling */
:not(pre) > code {
	background: rgba(0, 0, 0, 0.1);
	color: #e06c75;
	padding: 0.2em 0.4em;
	border-radius: 0.3em;
	font-family: 'Fira Code', 'Courier New', monospace;
	font-size: 0.9em;
}

/* Code block in dark theme */
@media (prefers-color-scheme: dark) {
	.syntax-highlight {
		background: #1e1e1e;
	}

	.syntax-highlight pre {
		color: #d4d4d4;
	}

	:not(pre) > code {
		background: rgba(255, 255, 255, 0.1);
		color: #ce9178;
	}
}

/* Responsive adjustments for code blocks */
@media (max-width: 768px) {
	.syntax-highlight {
		margin: 1em 0;
		border-radius: 0.4em;
	}

	.syntax-highlight pre {
		padding: 1em 0.75em;
		font-size: 0.85em;
	}

	.language-label {
		font-size: 0.65em;
		padding: 0.2em 0.5em;
	}

	.copy-btn {
		padding: 0.4em 0.8em;
		font-size: 0.75em;
	}

	.line-numbers {
		padding-left: 2.5em !important;
	}

	.line-numbers .line-numbers-rows {
		width: 2em;
	}
}

/* Scrollbar styling for code blocks */
.syntax-highlight::-webkit-scrollbar {
	height: 8px;
}

.syntax-highlight::-webkit-scrollbar-track {
	background: rgba(255, 255, 255, 0.05);
}

.syntax-highlight::-webkit-scrollbar-thumb {
	background: rgba(255, 255, 255, 0.2);
	border-radius: 4px;
}

.syntax-highlight::-webkit-scrollbar-thumb:hover {
	background: rgba(255, 255, 255, 0.3);
}