/* QuizBase - Material Design 3 Styling */
/* Mobile First Responsive Design - Midnight Blue/Petrol Dark Theme */

math {
	font-family: 'Cambria Math', 'STIX Math', 'Times New Roman', serif;
}

:root {
	/* Palette: Midnight Blue / Petrol */
	--md-sys-color-primary: #26A69A; /* petrol blue */
	--md-sys-color-on-primary: #FFFFFF;
	--md-sys-color-primary-container: #0A3635; /* dark teal */
	--md-sys-color-on-primary-container: #A7EBE4;

	--md-sys-color-secondary: #46827C;
	--md-sys-color-on-secondary: #FFFFFF;
	--md-sys-color-secondary-container: #1D4C47;
	--md-sys-color-on-secondary-container: #B2DFDB;

	--md-sys-color-tertiary: #2A6A7E;
	--md-sys-color-on-tertiary: #FFFFFF;
	--md-sys-color-tertiary-container: #1E4D5C;
	--md-sys-color-on-tertiary-container: #C0E0E8;

	--md-sys-color-surface: #0B131C; /* dark blue-grey */
	--md-sys-color-on-surface: #E2E8F0;
	--md-sys-color-surface-variant: #1C2530;
	--md-sys-color-on-surface-variant: #9FAAB5;

	--md-sys-color-outline: #2A3A4A;
	--md-sys-color-error: #FF6B6B;
	--md-sys-color-on-error: #000000;

	--md-sys-color-background: #06101A; /* very dark */
	--md-sys-color-surface-dim: #0B131C;
	--md-sys-color-surface-bright: #1A2332;
	--md-sys-color-surface-container: #111E2B;
	--md-sys-color-surface-container-highest: #263545;

	--border-radius: 12px;
}

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

body {
	font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	background-color: var(--md-sys-color-background);
	color: var(--md-sys-color-on-surface);
	line-height: 1.6;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	overflow-x: visible;
}

html {
	overflow-y: auto;
	overflow-x: visible;
}

button,
input,
select,
textarea {
	font-family: inherit;
	font-size: inherit;
}

/* Typography */
h1 {
	font-size: 2rem;
	font-weight: 400;
	line-height: 1.2;
	margin-bottom: 0.5rem;
}

h2 {
	font-size: 1.5rem;
	font-weight: 400;
	margin-bottom: 1rem;
}

/* Header */
header {
	background-color: var(--md-sys-color-primary-container);
	padding: 1rem;
	text-align: center;
	box-shadow: var(--md-sys-elevation-1);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	position: relative;
}

header h1 {
	color: var(--md-sys-color-on-primary-container);
	margin: 0;
}

header p {
	color: var(--md-sys-color-on-surface-variant);
	font-size: 0.875rem;
	margin-top: 0.25rem;
}

header h1 a {
	color: var(--md-sys-color-on-primary-container);
	text-decoration: none;
}

header h1 a:hover {
	text-decoration: underline;
}

header .header-actions {
	position: absolute;
	right: 1rem;
	top: 50%;
	transform: translateY(-50%);
	display: flex;
	gap: 0.5rem;
}

header a.btn {
	color: var(--md-sys-color-on-primary-container);
}

/* Main */
main {
	flex: 1;
	padding: 1rem;
	max-width: 1200px;
	margin: 0 auto;
	width: 100%;
}

/* Filters Section */
.filters {
	background: var(--md-sys-color-surface-container);
	padding: 1rem;
	border-radius: var(--border-radius);
	margin-bottom: 1.5rem;
	box-shadow: var(--md-sys-elevation-1);
}

.filter-form {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.search-input,
.filter-select {
	padding: 0.75rem;
	border: 1px solid var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	background: var(--md-sys-color-surface);
	color: var(--md-sys-color-on-surface);
	font-size: 1rem;
}

.filter-select {
	cursor: pointer;
}

/* Buttons */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.75rem 1rem;
	border: none;
	border-radius: var(--border-radius);
	font-size: 0.875rem;
	font-weight: 500;
	cursor: pointer;
	transition: background-color 0.2s, box-shadow 0.2s;
	text-decoration: none;
	appearance: none;
}

.btn-primary {
	background-color: var(--md-sys-color-primary);
	color: var(--md-sys-color-on-primary);
}

.btn-primary:hover {
	background-color: color-mix(in srgb, var(--md-sys-color-primary) 90%, black);
}

.btn-secondary {
	background-color: var(--md-sys-color-surface-variant);
	color: var(--md-sys-color-on-surface-variant);
}

.btn-secondary:hover {
	background-color: color-mix(in srgb, var(--md-sys-color-surface-variant) 90%, black);
}

.btn-small {
	padding: 0.5rem 0.75rem;
	font-size: 0.75rem;
}

.btn-icon {
	padding: 0.5rem;
	min-width: 36px;
	min-height: 36px;
	background-color: var(--md-sys-color-surface-variant);
	color: var(--md-sys-color-on-surface-variant);
}

.btn-icon:hover {
	background-color: var(--md-sys-color-surface-container-highest);
}

.btn-icon i {
	margin: 0;
}

.btn-block {
	width: 100%;
}

/* Hide number input spinners */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

input[type="number"] {
	-moz-appearance: textfield;
}

/* Questions Grid */
.questions-grid {
	display: grid;
	gap: 1rem;
}

.question-card {
	background: var(--md-sys-color-surface-container);
	padding: 1rem;
	border-radius: var(--border-radius);
	box-shadow: var(--md-sys-elevation-1);
	transition: box-shadow 0.2s;
	display: flex;
	flex-direction: column;
	min-height: 180px;
}

.question-card:hover {
	box-shadow: var(--md-sys-elevation-2);
}

.card-header {
	display: flex;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
	flex-wrap: wrap;
}

.year-badge,
.type-badge {
	background: var(--md-sys-color-tertiary-container);
	color: var(--md-sys-color-on-tertiary-container);
	padding: 0.25rem 0.75rem;
	border-radius: 8px;
	font-size: 0.75rem;
	font-weight: 500;
}

.card-body {
	flex: 1;
	overflow: hidden;
	min-height: 60px;
	max-height: 100px;
	position: relative;
}

.card-body::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 30px;
	background: linear-gradient(to bottom, transparent, var(--md-sys-color-surface-container));
	pointer-events: none;
}

.card-body p {
	margin: 0;
	line-height: 1.5;
	overflow: hidden;
	display: -webkit-box;
	-webkit-line-clamp: 4;
	-webkit-box-orient: vertical;
}

.card-body p math {
}

.card-footer {
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.tag {
	background: var(--md-sys-color-primary-container);
	color: var(--md-sys-color-on-primary-container);
	padding: 0.25rem 0.75rem;
	border-radius: 8px;
	font-size: 0.75rem;
}

/* Solution Details - Collapsible */
.solution {
	margin-top: 1rem;
	background: var(--md-sys-color-surface-variant);
	border-radius: 8px;
	overflow: hidden;
}

.solution summary {
	cursor: pointer;
	font-weight: 500;
	color: var(--md-sys-color-primary);
	padding: 0.75rem 1rem;
	display: flex;
	align-items: center;
	gap: 0.5rem;
	transition: background-color 0.2s;
}

.solution summary:hover {
	background: var(--md-sys-color-surface-container-highest);
}

.solution[open] summary {
	border-bottom: 1px solid var(--md-sys-color-outline);
}

.solution-content {
	padding: 1rem;
}
	border-top: 1px solid var(--md-sys-color-outline);
}

/* No Results */
.no-results {
	text-align: center;
	color: var(--md-sys-color-on-surface-variant);
	padding: 2rem;
}

/* Login Link */
.site-footer {
	text-align: center;
	padding: 1.5rem;
	margin-top: auto;
	width: 100%;
	clear: both;
}

.site-footer:empty {
	display: none;
}

.login-link {
	font-size: 1.5rem;
	opacity: 0.3;
	transition: opacity 0.2s;
	text-decoration: none;
}

.login-link:hover {
	opacity: 1;
}

/* Login Form */
.login-container {
	max-width: 400px;
	margin: 2rem auto;
}

.login-form {
	background: var(--md-sys-color-surface-container);
	padding: 2rem;
	border-radius: var(--border-radius);
	box-shadow: var(--md-sys-elevation-2);
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

/* Admin */
.admin-container {
	max-width: 100%;
}

.add-question-section,
.questions-table-section,
.download-section,
.upload-section,
.images-section,
.bugs-section {
	background: var(--md-sys-color-surface-container);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	margin-bottom: 1.5rem;
	box-shadow: var(--md-sys-elevation-1);
}

.add-question-section h2,
.questions-table-section h2,
.download-section h2,
.upload-section h2,
.images-section h2,
.bugs-section h2 {
	margin-bottom: 1rem;
}

.question-form {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.form-group {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

.form-group label {
	font-weight: 500;
	font-size: 0.875rem;
	color: var(--md-sys-color-on-surface-variant);
}

.form-group textarea,
.form-group input {
	padding: 0.75rem;
	border: 1px solid var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	background: var(--md-sys-color-surface);
	color: var(--md-sys-color-on-surface);
	font-size: 1rem;
}

.form-group textarea:focus,
.form-group input:focus {
	outline: 2px solid var(--md-sys-color-primary);
	outline-offset: 2px;
}

.tag-selector {
	border: 1px solid var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	padding: 0.75rem;
	background: var(--md-sys-color-surface);
}

.tag-checkboxes {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.tag-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    border-radius: 8px;
    font-size: 0.875rem;
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: background-color 0.2s, color 0.2s;
}

.tag-checkbox-label:hover {
    background: var(--md-sys-color-surface-variant);
}

.tag-checkbox-label input[type="checkbox"] {
    position: absolute;
    left: -9999px;
    top: auto;
}

.tag-checkbox-label input:checked + span {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
}

.tag-input-group {
	display: flex;
	gap: 0.5rem;
}

.tag-autocomplete {
	flex: 1;
	padding: 0.5rem;
	border: 1px solid var(--md-sys-color-outline);
	border-radius: 8px;
}

/* Modal */
.modal {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.6);
	z-index: 1000;
	overflow-y: auto;
	padding: 1rem;
}

.modal.active {
	display: flex;
	align-items: flex-start;
	justify-content: center;
}

.modal-content {
	background: var(--md-sys-color-surface-container);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	width: 100%;
	max-width: 600px;
	margin: 2rem auto;
	position: relative;
	box-shadow: var(--md-sys-elevation-3);
}

.modal-content h2 {
	margin-bottom: 0.5rem;
}

.modal-content .hint {
	color: var(--md-sys-color-on-surface-variant);
	font-size: 0.875rem;
	margin-bottom: 1rem;
}

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

.modal-content select,
.modal-content textarea {
	width: 100%;
	padding: 0.75rem;
	border: 1px solid var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	background: var(--md-sys-color-surface);
	color: var(--md-sys-color-on-surface);
	font-size: 1rem;
}

.modal-content select:focus,
.modal-content textarea:focus {
	outline: 2px solid var(--md-sys-color-primary);
	outline-offset: 2px;
}

.close {
	position: absolute;
	top: 0.5rem;
	right: 1rem;
	font-size: 1.5rem;
	cursor: pointer;
	color: var(--md-sys-color-on-surface-variant);
	width: 2rem;
	height: 2rem;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 50%;
	transition: background-color 0.2s;
}

.close:hover {
	background-color: var(--md-sys-color-surface-variant);
}

/* Table */
.questions-table {
	width: 100%;
	border-collapse: collapse;
	margin-top: 1rem;
}

.questions-table th,
.questions-table td {
	text-align: left;
	padding: 0.75rem;
	border-bottom: 1px solid var(--md-sys-color-outline);
}

.questions-table th {
	background: var(--md-sys-color-surface-variant);
	font-weight: 500;
}

.questions-table .question-text {
	max-width: 300px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.questions-table .actions {
	display: flex;
	gap: 0.5rem;
}

.btn-edit {
	background-color: var(--md-sys-color-secondary-container);
	color: var(--md-sys-color-on-secondary-container);
}

.btn-delete {
	background-color: var(--md-sys-color-error);
	color: var(--md-sys-color-on-error);
}

/* Floating Bug Report Button */
.bug-report-fab {
	position: fixed;
	bottom: 2rem;
	left: 50%;
	transform: translateX(-50%);
	z-index: 100;
}

.bug-report-fab .btn {
	border-radius: 50px;
	padding: 0.75rem 1.5rem;
	box-shadow: var(--md-sys-elevation-2);
}

.bug-report-fab .btn:hover {
	box-shadow: var(--md-sys-elevation-3);
}

/* Material Toast Notification */
.md-toast {
	position: fixed;
	bottom: 2rem;
	left: 50%;
	transform: translateX(-50%) translateY(100px);
	background: var(--md-sys-color-inverse-surface);
	color: var(--md-sys-color-inverse-on-surface);
	padding: 0.75rem 1.5rem;
	border-radius: 8px;
	box-shadow: var(--md-sys-elevation-3);
	z-index: 2000;
	opacity: 0;
	transition: transform 0.3s, opacity 0.3s;
	font-size: 0.875rem;
}

.md-toast.show {
	transform: translateX(-50%) translateY(0);
	opacity: 1;
}

/* Material Design File Input */
.file-input {
	display: block;
	width: 100%;
	padding: 0.75rem;
	border: 2px dashed var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	background: var(--md-sys-color-surface-variant);
	color: var(--md-sys-color-on-surface-variant);
	cursor: pointer;
	transition: border-color 0.2s, background-color 0.2s;
}

.file-input:hover {
	border-color: var(--md-sys-color-primary);
	background: var(--md-sys-color-surface-container);
}

.file-input::file-selector-button {
	display: none;
}

/* Responsive Design */

/* Tablet (768px and up) */
@media (min-width: 768px) {
	.filter-form {
		flex-direction: row;
		flex-wrap: wrap;
		align-items: center;
	}

	.search-input {
		flex: 1;
		min-width: 200px;
	}

	.filter-select {
		min-width: 150px;
	}

	.questions-grid {
		grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
	}

	.questions-table {
		display: table;
	}

	.questions-table .actions {
		flex-direction: row;
	}
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
	header {
		padding: 1.5rem 2rem;
	}

	main {
		padding: 2rem;
	}

	.question-card {
		padding: 1.5rem;
	}
}

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
	outline: 2px solid var(--md-sys-color-primary);
	outline-offset: 2px;
}

/* Print */
@media print {
	header a,
	.site-footer,
	.actions,
	.modal,
	.btn {
		display: none;
	}

	.question-card,
	.questions-table {
		break-inside: avoid;
	}
}

/* Images gallery in admin */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.image-item {
    text-align: center;
    position: relative;
}

.image-item .thumbnail {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--md-sys-color-outline);
}

.image-checkbox {
    position: absolute;
    top: 4px;
    left: 4px;
    z-index: 10;
    background: var(--md-sys-color-surface-container);
    border-radius: 4px;
    padding: 2px;
}

.image-checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.mass-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-danger {
    background: var(--md-sys-color-error);
    color: var(--md-sys-color-on-error);
}

.btn-danger:hover {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
}

.copy-img-btn {
    margin-top: 0.5rem;
    font-size: 0.8rem;
}

/* Links: remove underline, improve touch targets */
a {
	text-decoration: none;
	color: inherit;
	cursor: pointer;
}

a:hover {
	text-decoration: none;
}

/* Make question cards clickable (only anchors) */
a.question-card {
	text-decoration: none !important;
	color: inherit;
	cursor: pointer;
	display: block;
	transition: none !important;
}

.question-card:hover {
	transform: none !important;
	box-shadow: none !important;
}

/* Full question page - remove pointer cursor from div.question-card */
.question-view {
	overflow-x: visible;
}

.question-view main {
	flex: 1;
	padding: 1rem;
	max-width: 1200px;
	margin: 0 auto;
	width: 100%;
	overflow-x: visible;
}

.question-view .question-card {
	cursor: default;
	position: relative;
	max-height: none;
	overflow: visible;
	padding: 1rem;
	min-height: auto;
	height: auto;
}

.question-view .question-card:hover {
	transform: none;
	box-shadow: var(--md-sys-elevation-1);
}

.question-view .card-body {
	max-height: none;
	overflow: visible;
	min-height: auto;
	height: auto;
	flex: none;
}

.question-view .card-body::after {
	display: none;
}

.question-view .card-body p {
	display: block;
	-webkit-line-clamp: unset;
	-webkit-box-orient: vertical;
	overflow: visible;
	max-height: none;
}

.question-view .question-text {
	word-wrap: break-word;
	overflow-wrap: break-word;
	word-break: break-word;
	white-space: normal;
	line-height: 1.6;
	font-size: 1rem;
}

.question-view .question-text math {
	overflow-wrap: anywhere;
}

/* Bug Report Link */
.bug-report-link {
	position: absolute;
	bottom: 0.75rem;
	right: 0.75rem;
	font-size: 1.25rem;
	opacity: 0.3;
	transition: opacity 0.2s;
	text-decoration: none;
	color: var(--md-sys-color-on-surface);
}

.bug-report-link:hover {
	opacity: 1;
}

a:hover {
	text-decoration: underline;
}

/* Make question cards clickable */
.question-card {
	text-decoration: none;
	color: inherit;
	transition: transform 0.15s ease, box-shadow 0.15s ease;
	cursor: pointer;
	display: block; /* for anchor tags */
}

.question-card:hover {
	transform: translateY(-2px);
	box-shadow: var(--md-sys-elevation-2);
}

/* Image Gallery Improvements */
.image-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
	gap: 1rem;
}

.image-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.5rem;
	padding: 0.75rem;
	background: var(--md-sys-color-surface-variant);
	border-radius: var(--border-radius);
}

.image-item .thumbnail {
	width: 100%;
	aspect-ratio: 1;
	object-fit: cover;
	border-radius: 6px;
	border: 1px solid var(--md-sys-color-outline);
}

.image-actions {
	display: flex;
	gap: 0.25rem;
}

.image-actions .btn {
	padding: 0.4rem;
	min-width: 32px;
	min-height: 32px;
}

.btn-delete-image {
	background-color: var(--md-sys-color-error);
	color: var(--md-sys-color-on-error);
}

.btn-delete-image:hover {
	background-color: color-mix(in srgb, var(--md-sys-color-error) 85%, black);
}

/* Data Management Buttons */
.data-buttons {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

/* Upload Result */
.upload-result {
	margin-top: 1rem;
	padding: 1rem;
	border: 1px solid var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	background: var(--md-sys-color-surface-variant);
}

.upload-result code {
	background: var(--md-sys-color-surface);
	padding: 0.25rem 0.5rem;
	border-radius: 4px;
	word-break: break-all;
}

.upload-result .hint {
	margin-top: 0.75rem;
	font-size: 0.875rem;
	color: var(--md-sys-color-on-surface-variant);
}

.upload-result .hint code {
	display: block;
	margin-top: 0.25rem;
}

/* Login link - monochrome icon */
.login-link i {
	color: var(--md-sys-color-on-surface-variant);
	opacity: 0.4;
	transition: opacity 0.2s;
}

.login-link:hover i {
	opacity: 1;
}

/* Bug Reports Section */
.bugs-section {
	grid-column: 1 / -1;
	background: var(--md-sys-color-surface-container);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	margin-bottom: 1.5rem;
	box-shadow: var(--md-sys-elevation-1);
}

.bugs-section h2 {
	margin-bottom: 1rem;
}

.bugs-list {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.bug-item {
	background: var(--md-sys-color-surface-variant);
	padding: 1rem;
	border-radius: 8px;
	border-left: 4px solid var(--md-sys-color-error);
}

.bug-item.resolved {
	opacity: 0.6;
	border-left-color: var(--md-sys-color-primary);
}

.bug-header {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	align-items: center;
	margin-bottom: 0.5rem;
	font-size: 0.875rem;
}

.bug-type {
	font-weight: 500;
	color: var(--md-sys-color-primary);
}

.bug-date {
	color: var(--md-sys-color-on-surface-variant);
}

.bug-question-link {
	color: var(--md-sys-color-secondary);
	text-decoration: underline;
}

.bug-description {
	margin: 0.5rem 0;
	line-height: 1.5;
}

.bug-actions {
	display: flex;
	gap: 0.5rem;
	margin-top: 0.5rem;
}

/* Admin Layout - Beautiful grid */
@media (min-width: 992px) {
	.admin-container {
		display: grid;
		grid-template-columns: 1fr 1fr;
		grid-template-rows: auto auto auto;
		gap: 1.5rem;
		padding: 1.5rem;
		max-width: 1600px;
		margin: 0 auto;
	}

	.add-question-section { grid-column: 1; grid-row: 1; }
	.upload-section { grid-column: 2; grid-row: 1; }
	.images-section { grid-column: 1 / -1; grid-row: 2; }
	.questions-table-section { grid-column: 1 / -1; grid-row: 3; }
	.bugs-section { grid-column: 1; grid-row: 4; }
	.download-section { grid-column: 2; grid-row: 4; }
}

/* Reset admin container for smaller screens */
.admin-container {
	display: flex;
	flex-direction: column;
	gap: 1.5rem;
	padding: 1rem;
}

/* Material Design Form Inputs */
.form-group input,
.form-group textarea,
.form-group select,
.file-input,
.md-select {
	width: 100%;
	padding: 0.75rem 1rem;
	border: 1px solid var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	background: var(--md-sys-color-surface);
	color: var(--md-sys-color-on-surface);
	font-size: 1rem;
	font-family: inherit;
	transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.file-input:focus,
.md-select:focus {
	outline: none;
	border-color: var(--md-sys-color-primary);
	box-shadow: 0 0 0 2px var(--md-sys-color-primary-container);
}

.form-group select,
.md-select {
	cursor: pointer;
	appearance: none;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239FAAB5' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 1rem center;
	padding-right: 2.5rem;
}

.file-input {
	padding: 0.5rem;
	background: var(--md-sys-color-surface-variant);
}

/* Utility classes */
.text-success { color: var(--md-sys-color-primary); }
.text-error { color: var(--md-sys-color-error); }
.text-muted { color: var(--md-sys-color-on-surface-variant); }

/* Table responsive */
.table-responsive {
	overflow-x: auto;
}

.questions-table {
	width: 100%;
	border-collapse: collapse;
}

.questions-table th,
.questions-table td {
	padding: 0.75rem;
	text-align: left;
	border-bottom: 1px solid var(--md-sys-color-outline);
}

.questions-table th {
	background: var(--md-sys-color-surface-variant);
	font-weight: 500;
}

.questions-table .actions {
	white-space: nowrap;
}

/* Import form */
.import-form {
	margin-top: 1rem;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.add-question-section,
.questions-table-section,
.download-section,
.upload-section,
.images-section,
.bugs-section {
	background: var(--md-sys-color-surface-container);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	box-shadow: var(--md-sys-elevation-1);
}

/* Tag filter dropdown */
.tag-filter-group {
	position: relative;
	display: inline-block;
}

.tag-filter-dropdown {
	display: none;
	position: absolute;
	top: 100%;
	left: 0;
	z-index: 1000;
	background: var(--md-sys-color-surface-container);
	border: 1px solid var(--md-sys-color-outline);
	border-radius: var(--border-radius);
	padding: 0.75rem;
	max-height: 300px;
	overflow-y: auto;
	min-width: 200px;
	box-shadow: var(--md-sys-elevation-2);
	margin-top: 0.25rem;
}

.tag-filter-dropdown.show {
	display: block;
}

.tag-filter-dropdown .tag-checkbox-label {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.375rem 0;
	cursor: pointer;
	white-space: nowrap;
}

.tag-filter-dropdown .tag-checkbox-label input {
	margin: 0;
}

.tag-filter-dropdown .tag-checkbox-label:hover {
	background: var(--md-sys-color-surface-container-highest);
	border-radius: 4px;
}

.tag-filter-list {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin: 1rem 0;
}

.tag-filter-list .tag-checkbox-label {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 0.75rem;
	background: var(--md-sys-color-surface-variant);
	border-radius: 8px;
	cursor: pointer;
	transition: background-color 0.2s;
}

.tag-filter-list .tag-checkbox-label:hover {
	background: var(--md-sys-color-surface-container-highest);
}

.tag-filter-list .tag-checkbox-label input {
	margin: 0;
}

/* Settings Page */
.settings-section {
	max-width: 800px;
	margin: 0 auto;
}

.settings-section h2 {
	margin-bottom: 1.5rem;
}

.settings-card {
	background: var(--md-sys-color-surface-container);
	padding: 1.5rem;
	border-radius: var(--border-radius);
	margin-bottom: 1.5rem;
	box-shadow: var(--md-sys-elevation-1);
}

.settings-card h3 {
	margin-bottom: 1rem;
	font-size: 1.1rem;
}

.settings-form {
	display: flex;
	flex-direction: column;
	gap: 1rem;
}

.settings-form .hint {
	font-size: 0.8rem;
	color: var(--md-sys-color-on-surface-variant);
	margin-top: 0.25rem;
}