* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: "Georgia", "Times New Roman", serif;
	background: #f8f9fa;
	min-height: 100vh;
	color: #2c3e50;
	line-height: 1.6;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 40px 20px;
}

.header {
	text-align: center;
	margin-bottom: 50px;
	padding: 40px 0;
	background: white;
	border-radius: 8px;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
	border-top: 4px solid #34495e;
}

.header h1 {
	font-size: 2.8rem;
	margin-bottom: 15px;
	color: #2c3e50;
	font-weight: 400;
	letter-spacing: -0.5px;
}

.header .subtitle {
	font-size: 1.2rem;
	color: #7f8c8d;
	max-width: 700px;
	margin: 0 auto;
	font-style: italic;
	font-weight: 300;
}

.status-bar {
	background: rgba(52, 152, 219, 0.1);
	border: 1px solid rgba(52, 152, 219, 0.2);
	border-radius: 8px;
	padding: 15px 20px;
	margin-top: 25px;
	text-align: center;
	transition: all 0.3s ease;
}

.status-content {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	color: #3498db;
	font-weight: 500;
	font-size: 1rem;
}

.status-bar.ready {
	background: rgba(39, 174, 96, 0.1);
	border-color: rgba(39, 174, 96, 0.2);
}

.status-bar.ready .status-content {
	color: #27ae60;
}

.status-bar.error {
	background: rgba(231, 76, 60, 0.1);
	border-color: rgba(231, 76, 60, 0.2);
}

.status-bar.error .status-content {
	color: #e74c3c;
}

.search-section {
	background: white;
	border-radius: 8px;
	padding: 40px;
	margin-bottom: 40px;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
	border-top: 3px solid #34495e;
}

.search-container {
	max-width: 800px;
	margin: 0 auto;
}

.search-box {
	display: flex;
	gap: 15px;
	margin-bottom: 25px;
}

#searchInput {
	flex: 1;
	padding: 18px 24px;
	border: 2px solid #bdc3c7;
	border-radius: 6px;
	font-size: 1.1rem;
	font-family: "Georgia", serif;
	transition: all 0.3s ease;
	background: #fdfdfd;
}

#searchInput:focus {
	outline: none;
	border-color: #3498db;
	background: white;
	box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

#searchInput::placeholder {
	color: #95a5a6;
	font-style: italic;
}

.search-btn {
	padding: 18px 30px;
	background: #34495e;
	color: white;
	border: none;
	border-radius: 6px;
	cursor: pointer;
	font-size: 1.1rem;
	font-family: "Georgia", serif;
	transition: all 0.3s ease;
	min-width: 120px;
}

.search-btn:hover {
	background: #2c3e50;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(52, 73, 94, 0.3);
}

.search-btn:disabled {
	opacity: 0.6;
	cursor: not-allowed;
	transform: none;
}

.search-options {
	display: flex;
	align-items: center;
	gap: 15px;
	justify-content: center;
	color: #7f8c8d;
}

.search-options label {
	font-weight: 500;
	font-size: 1rem;
}

.search-options select {
	padding: 10px 15px;
	border: 2px solid #bdc3c7;
	border-radius: 4px;
	font-size: 1rem;
	font-family: "Georgia", serif;
	background: white;
}

.results-section {
	margin-bottom: 40px;
}

.results-header {
	background: white;
	border-radius: 8px 8px 0 0;
	padding: 25px 30px;
	border-bottom: 1px solid #ecf0f1;
	border-top: 3px solid #e67e22;
}

.results-header h2 {
	color: #2c3e50;
	margin-bottom: 8px;
	font-size: 1.8rem;
	font-weight: 400;
}

.results-count {
	color: #7f8c8d;
	font-size: 1rem;
	font-style: italic;
}

.results-container {
	background: white;
	border-radius: 0 0 8px 8px;
	overflow: hidden;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.result-item {
	padding: 30px;
	border-bottom: 1px solid #ecf0f1;
	transition: all 0.3s ease;
}

.result-item:hover {
	background: #fafbfc;
}

.result-item:last-child {
	border-bottom: none;
}

.result-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	margin-bottom: 20px;
	flex-wrap: wrap;
	gap: 15px;
}

.result-meta {
	display: flex;
	gap: 12px;
	align-items: center;
	flex-wrap: wrap;
}

.meta-item {
	background: #ecf0f1;
	color: #34495e;
	padding: 6px 14px;
	border-radius: 20px;
	font-size: 0.9rem;
	font-weight: 500;
	display: flex;
	align-items: center;
	gap: 6px;
}

.similarity-score {
	background: #e8f5e8;
	color: #27ae60;
	padding: 8px 16px;
	border-radius: 20px;
	font-size: 0.9rem;
	font-weight: 600;
	border: 1px solid #d5e8d5;
}

.result-content {
	background: #f8f9fa;
	padding: 25px;
	border-radius: 6px;
	border-left: 4px solid #3498db;
	margin-bottom: 20px;
}

.result-question {
	line-height: 1.7;
	white-space: pre-wrap;
	font-size: 1.05rem;
	color: #2c3e50;
	font-family: "Georgia", serif;
}

.view-pdf-btn {
	background: #e67e22;
	color: white;
	border: none;
	padding: 12px 24px;
	border-radius: 25px;
	cursor: pointer;
	font-size: 0.95rem;
	font-weight: 500;
	transition: all 0.3s ease;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: "Georgia", serif;
}

.view-pdf-btn:hover {
	background: #d35400;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(230, 126, 34, 0.3);
}

.view-marking-scheme-btn {
	background: #27ae60;
	color: white;
	border: none;
	padding: 12px 24px;
	border-radius: 25px;
	cursor: pointer;
	font-size: 0.95rem;
	font-weight: 500;
	transition: all 0.3s ease;
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: "Georgia", serif;
	margin-left: 10px;
}

.view-marking-scheme-btn:hover {
	background: #229954;
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(39, 174, 96, 0.3);
}

.papers-section {
	background: white;
	border-radius: 8px;
	padding: 40px;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
	border-top: 3px solid #9b59b6;
}

.papers-section h3 {
	color: #2c3e50;
	margin-bottom: 30px;
	text-align: center;
	font-size: 1.8rem;
	font-weight: 400;
}

.papers-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 25px;
}

.year-card {
	background: #fdfdfd;
	border: 2px solid #ecf0f1;
	border-radius: 12px;
	overflow: hidden;
	transition: all 0.3s ease;
	position: relative;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.year-card:hover {
	transform: translateY(-3px);
	box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
	border-color: #9b59b6;
}

.year-header {
	background: linear-gradient(135deg, #9b59b6, #8e44ad);
	color: white;
	padding: 20px;
	text-align: center;
	position: relative;
}

.year-header::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 3px;
	background: linear-gradient(
		90deg,
		transparent,
		rgba(255, 255, 255, 0.3),
		transparent
	);
}

.year-number {
	font-size: 1.8rem;
	font-weight: 600;
	font-family: "Georgia", serif;
	text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.year-content {
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.paper-item,
.marking-scheme-item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 12px 16px;
	border-radius: 8px;
	cursor: pointer;
	transition: all 0.2s ease;
	font-weight: 500;
	font-family: "Georgia", serif;
	border: 1px solid transparent;
}

.paper-item {
	background: #f8f9fa;
	color: #2c3e50;
	border-color: #e9ecef;
}

.paper-item:hover {
	background: #e67e22;
	color: white;
	transform: translateX(5px);
	border-color: #d35400;
	box-shadow: 0 2px 8px rgba(230, 126, 34, 0.3);
}

.marking-scheme-item {
	background: #e8f5e8;
	color: #27ae60;
	border-color: #d5e8d5;
	font-weight: 600;
}

.marking-scheme-item:hover {
	background: #27ae60;
	color: white;
	transform: translateX(5px);
	border-color: #229954;
	box-shadow: 0 2px 8px rgba(39, 174, 96, 0.3);
}

.paper-item i,
.marking-scheme-item i {
	font-size: 1.1rem;
	width: 20px;
	text-align: center;
}

/* Legacy styles for backward compatibility - can be removed later */
.paper-card {
	display: none; /* Hide old style */
}

.loading {
	text-align: center;
	padding: 50px;
	color: #7f8c8d;
	font-style: italic;
	font-size: 1.1rem;
}

.modal {
	display: none;
	position: fixed;
	z-index: 1000;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(44, 62, 80, 0.9);
}

.modal-content {
	background-color: white;
	margin: 2% auto;
	width: 90%;
	max-width: 1000px;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
	background: #34495e;
	color: white;
	padding: 25px 30px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.modal-header h3 {
	margin: 0;
	font-size: 1.3rem;
	font-weight: 400;
}

.modal-title-section {
	flex: 1;
}

.modal-subtitle {
	font-size: 0.9rem;
	color: #bdc3c7;
	margin-top: 4px;
	font-style: italic;
}

.modal-subtitle.loading {
	color: #3498db;
}

.modal-subtitle.loading::after {
	content: "";
	display: inline-block;
	width: 12px;
	height: 12px;
	margin-left: 8px;
	border: 2px solid #3498db;
	border-radius: 50%;
	border-top-color: transparent;
	animation: spin 1s linear infinite;
}

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

.modal-actions {
	display: flex;
	align-items: center;
	gap: 12px;
}

.modal-action-btn {
	background: rgba(255, 255, 255, 0.1);
	color: white;
	border: 1px solid rgba(255, 255, 255, 0.2);
	padding: 8px 16px;
	border-radius: 6px;
	cursor: pointer;
	font-size: 0.9rem;
	font-weight: 500;
	transition: all 0.3s ease;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-family: "Georgia", serif;
}

.modal-action-btn:hover {
	background: rgba(255, 255, 255, 0.2);
	transform: translateY(-1px);
}

.modal-action-btn.marking-scheme-btn {
	background: rgba(39, 174, 96, 0.2);
	border-color: rgba(39, 174, 96, 0.4);
}

.modal-action-btn.marking-scheme-btn:hover {
	background: rgba(39, 174, 96, 0.3);
}

.modal-action-btn.back-btn {
	background: rgba(52, 152, 219, 0.2);
	border-color: rgba(52, 152, 219, 0.4);
}

.modal-action-btn.back-btn:hover {
	background: rgba(52, 152, 219, 0.3);
}

.close-btn {
	background: none;
	border: none;
	color: white;
	font-size: 1.5rem;
	cursor: pointer;
	padding: 8px;
	border-radius: 4px;
	transition: background 0.3s ease;
}

.close-btn:hover {
	background: rgba(255, 255, 255, 0.2);
}

.modal-body {
	padding: 0;
}

#pdfViewer {
	border: none;
	display: block;
}

.error-message {
	background: #fdf2f2;
	color: #c0392b;
	padding: 20px;
	border-radius: 6px;
	margin: 20px 0;
	border-left: 4px solid #e74c3c;
	font-family: "Georgia", serif;
}

.no-results {
	text-align: center;
	padding: 50px;
	color: #7f8c8d;
	font-style: italic;
	font-size: 1.1rem;
}

@media (max-width: 768px) {
	.container {
		padding: 20px 10px;
	}

	.header h1 {
		font-size: 2.2rem;
	}

	.search-box {
		flex-direction: column;
	}

	.search-btn {
		width: 100%;
	}

	.result-header {
		flex-direction: column;
		align-items: flex-start;
	}

	.papers-grid {
		grid-template-columns: 1fr;
		gap: 20px;
	}

	.year-card {
		margin: 0 auto;
		max-width: 400px;
	}

	.year-content {
		padding: 15px;
		gap: 10px;
	}

	.paper-item,
	.marking-scheme-item {
		padding: 10px 14px;
		font-size: 0.95rem;
	}

	.year-number {
		font-size: 1.6rem;
	}

	.modal-content {
		width: 95%;
		margin: 5% auto;
	}

	.result-item {
		padding: 20px;
	}

	.search-section,
	.papers-section {
		padding: 25px;
	}

	.view-pdf-btn,
	.view-marking-scheme-btn {
		width: 100%;
		margin: 5px 0;
		justify-content: center;
	}

	.view-marking-scheme-btn {
		margin-left: 0;
	}

	.modal-header {
		flex-direction: column;
		align-items: stretch;
		gap: 15px;
		padding: 20px;
	}

	.modal-actions {
		justify-content: center;
		flex-wrap: wrap;
	}

	.modal-action-btn {
		font-size: 0.8rem;
		padding: 6px 12px;
	}
}

@keyframes fadeIn {
	from {
		opacity: 0;
		transform: translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.result-item {
	animation: fadeIn 0.6s ease forwards;
}

.fa-spin {
	animation: fa-spin 2s infinite linear;
}

@keyframes fa-spin {
	0% {
		transform: rotate(0deg);
	}
	100% {
		transform: rotate(360deg);
	}
}

/* Academic paper-like typography improvements */
.result-question {
	text-align: justify;
	text-justify: inter-word;
}

.header h1 {
	text-shadow: none;
}

/* Ensure proper sorting display for papers */
.papers-grid {
	/* Papers will be sorted by JavaScript, most recent first */
}