/* Import base styles and extend for practice mode */
@import url('./style.css');

/* Override base styles for practice mode responsive layout */
html, body {
	width: 100%;
	height: 100%;
	margin: 0;
	padding: 0;
	overflow-x: hidden;
	overflow-y: auto;
	touch-action: manipulation;
}

.app {
	min-height: 100vh;
	width: 100%;
	max-width: 100%;
	display: flex;
	flex-direction: column;
	overflow: hidden;
}

/* Navigation Section */
.nav-section {
	display: flex;
	align-items: center;
	gap: clamp(16px, 3vw, 24px);
}

.nav-btn {
	background: linear-gradient(135deg, rgba(102, 126, 234, 0.8), rgba(118, 75, 162, 0.8));
	color: white;
	text-decoration: none;
	padding: clamp(8px, 2vw, 12px) clamp(12px, 2.5vw, 16px);
	border-radius: 8px;
	font-size: clamp(12px, 2.5vw, 14px);
	font-weight: 500;
	transition: all 0.3s ease;
	border: 1px solid rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(10px);
	min-height: 36px;
	display: flex;
	align-items: center;
	gap: 6px;
}

.nav-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
	background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
}

/* Difficulty Selector */
.difficulty-selector {
	padding: clamp(12px, 2vw, 20px);
	text-align: center;
	width: 100%;
	max-width: 100%;
	margin: 0 auto;
	overflow-y: auto;
	overflow-x: hidden;
	flex: 1;
	display: flex;
	flex-direction: column;
	justify-content: flex-start;
	align-items: center;
	box-sizing: border-box;
	min-height: 0;
}

.difficulty-selector h2 {
	color: #e2e8f0;
	font-size: clamp(20px, 4vw, 28px);
	font-weight: 700;
	margin: 0 0 clamp(12px, 2vw, 20px) 0;
	text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
	flex-shrink: 0;
}

.difficulty-grid {
	display: grid;
	grid-template-columns: repeat(6, 1fr);
	gap: clamp(8px, 1.5vw, 16px);
	margin-bottom: clamp(12px, 2vw, 16px);
	width: 100%;
	max-width: 1400px;
	margin-left: auto;
	margin-right: auto;
	flex-shrink: 1;
	min-height: 0;
}

.difficulty-btn {
	background: linear-gradient(135deg, rgba(30, 41, 59, 0.45), rgba(15, 23, 42, 0.45));
	border: 1px solid rgba(255, 255, 255, 0.12);
	box-shadow: 0 8px 25px rgba(0, 0, 0, 0.18);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border-radius: 12px;
	padding: clamp(8px, 1.5vw, 12px);
	cursor: pointer;
	transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	position: relative;
	overflow: hidden;
	min-height: clamp(100px, 12vh, 120px);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	width: 100%;
	box-sizing: border-box;
	text-align: center;
}

.difficulty-btn::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
	transition: left 0.5s ease;
}

.difficulty-btn:hover::before {
	left: 100%;
}

.difficulty-btn:hover {
	transform: translateY(-5px);
	box-shadow: 0 14px 36px rgba(96, 165, 250, 0.25);
	border-color: rgba(96, 165, 250, 0.45);
	background: linear-gradient(135deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.5));
}

.difficulty-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.9), 0 0 0 4px rgba(96, 165, 250, 0.6);
}

.difficulty-header {
	text-align: center;
	margin-bottom: clamp(6px, 1vw, 8px);
}

.difficulty-emoji {
	font-size: clamp(24px, 4vw, 28px);
	display: block;
	margin-bottom: clamp(4px, 1vw, 6px);
	animation: bounce 2s ease-in-out infinite;
}

.difficulty-name {
	color: #e2e8f0;
	font-size: clamp(14px, 2.5vw, 16px);
	font-weight: 600;
	display: block;
	margin-bottom: clamp(2px, 0.5vw, 4px);
}

.difficulty-desc {
	color: #475569;
	font-size: clamp(11px, 2vw, 12px);
	margin-bottom: clamp(6px, 1vw, 8px);
	font-weight: 500;
	line-height: 1.2;
}

.difficulty-preview {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 40px;
}

.preview-circle {
	position: relative;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	border: 2px solid rgba(255, 255, 255, 0.3);
	display: flex;
	align-items: center;
	justify-content: center;
}

.preview-center {
	width: 6px;
	height: 6px;
	background: #ffd700;
	border-radius: 50%;
	box-shadow: 0 0 8px rgba(255, 215, 0, 0.6);
}

.preview-dots {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
}

.preview-dots::before,
.preview-dots::after {
	content: '';
	position: absolute;
	width: 4px;
	height: 4px;
	background: #60a5fa;
	border-radius: 50%;
	box-shadow: 0 0 6px rgba(96, 165, 250, 0.6);
}

/* Preview dot patterns */
.many-dots::before { top: -2px; left: 50%; transform: translateX(-50%); }
.many-dots::after { bottom: -2px; left: 50%; transform: translateX(-50%); }

.medium-dots::before { top: -2px; left: 50%; transform: translateX(-50%); }
.medium-dots::after { bottom: -2px; left: 50%; transform: translateX(-50%); }

.fewer-dots::before { top: -2px; left: 50%; transform: translateX(-50%); }
.fewer-dots::after { bottom: -2px; left: 50%; transform: translateX(-50%); }

.min-dots::before { top: -2px; left: 50%; transform: translateX(-50%); }
.min-dots::after { bottom: -2px; left: 50%; transform: translateX(-50%); }

.cardinal-dots::before { top: -2px; left: 50%; transform: translateX(-50%); }
.cardinal-dots::after { right: -2px; top: 50%; transform: translateY(-50%); }

.two-dots::before { top: -2px; left: 50%; transform: translateX(-50%); }
.two-dots::after { bottom: -2px; left: 50%; transform: translateX(-50%); }

.difficulty-tip {
	background: rgba(102, 126, 234, 0.2);
	border: 1px solid rgba(102, 126, 234, 0.3);
	border-radius: 12px;
	padding: clamp(8px, 2vw, 12px);
	color: #e2e8f0;
	font-size: clamp(12px, 2vw, 14px);
	line-height: 1.4;
	backdrop-filter: blur(10px);
	width: 100%;
	max-width: min(600px, 90%);
	margin: 0 auto;
	box-sizing: border-box;
	flex-shrink: 0;
}

/* Tracing Dots */
.tracing-dots {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	pointer-events: none;
	z-index: 5;
}

.tracing-dot {
	position: absolute;
	width: 12px;
	height: 12px;
	background: linear-gradient(135deg, #60a5fa, #3b82f6);
	border-radius: 50%;
	border: 2px solid rgba(255, 255, 255, 0.8);
	box-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
	animation: pulse 2s ease-in-out infinite;
	transform: translate(-50%, -50%);
}

.app.practice-active .tracing-dot {
	width: 16px;
	height: 16px;
	border: 3px solid rgba(255, 255, 255, 0.9);
	box-shadow: 0 0 16px rgba(96, 165, 250, 0.8);
}

.app.practice-active .center-dot {
	width: 20px;
	height: 20px;
	box-shadow: 
		0 0 0 6px rgba(255, 215, 0, 0.3),
		0 0 30px rgba(255, 215, 0, 0.8),
		0 0 60px rgba(255, 215, 0, 0.4);
}

.tracing-dot::before {
	content: '';
	position: absolute;
	top: 50%;
	left: 50%;
	width: 16px;
	height: 16px;
	border: 1px solid rgba(96, 165, 250, 0.4);
	border-radius: 50%;
	transform: translate(-50%, -50%);
	animation: ripple 2s ease-in-out infinite;
}

/* Level Info */
.level-info {
	position: absolute;
	top: clamp(16px, 3vw, 20px);
	left: clamp(16px, 3vw, 20px);
	display: flex;
	flex-direction: column;
	gap: clamp(8px, 2vw, 12px);
	z-index: 10;
}

@media (max-width: 768px) {
	.canvas-wrap .level-info {
		position: static;
		flex-direction: row;
		justify-content: space-between;
		background: rgba(0, 0, 0, 0.1);
		padding: clamp(8px, 2vw, 12px);
		border-radius: 8px;
		margin-bottom: clamp(12px, 2vw, 16px);
		width: 100%;
		box-sizing: border-box;
	}
}

.current-level {
	background: rgba(102, 126, 234, 0.9);
	color: white;
	padding: clamp(8px, 2vw, 10px) clamp(12px, 2.5vw, 16px);
	border-radius: 8px;
	font-size: clamp(12px, 2vw, 14px);
	font-weight: 600;
	backdrop-filter: blur(10px);
	border: 1px solid rgba(255, 255, 255, 0.2);
}

.change-level-btn {
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.2);
	color: white;
	padding: clamp(6px, 1.5vw, 8px) clamp(10px, 2vw, 12px);
	border-radius: 6px;
	font-size: clamp(10px, 2vw, 12px);
	cursor: pointer;
	transition: all 0.3s ease;
	backdrop-filter: blur(10px);
}

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

/* Animations */
@keyframes bounce {
	0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
	40% { transform: translateY(-10px); }
	60% { transform: translateY(-5px); }
}

@keyframes ripple {
	0% {
		transform: translate(-50%, -50%) scale(0.8);
		opacity: 1;
	}
	100% {
		transform: translate(-50%, -50%) scale(2);
		opacity: 0;
	}
}

/* Light Theme Overrides */
body.light-theme .difficulty-selector h2 {
	color: #0f172a;
}

body.light-theme .nav-btn {
	background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(99, 102, 241, 0.9));
	border: 1px solid rgba(59, 130, 246, 0.2);
}

body.light-theme .nav-btn:hover {
	box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

body.light-theme .difficulty-btn {
	background: #ffffff;
	border: 1px solid #e2e8f0;
	box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

body.light-theme .difficulty-btn:hover {
	box-shadow: 0 8px 25px rgba(37, 99, 235, 0.1);
	border-color: #3b82f6;
}

body.light-theme .difficulty-name {
	color: #0f172a;
}

body.light-theme .difficulty-desc {
	color: #475569;
}

body.light-theme .preview-circle {
	border: 2px solid rgba(0, 0, 0, 0.2);
}

body.light-theme .difficulty-tip {
	background: rgba(59, 130, 246, 0.1);
	border: 1px solid rgba(59, 130, 246, 0.2);
	color: #475569;
}

body.light-theme .current-level {
	background: rgba(59, 130, 246, 0.9);
}

body.light-theme .change-level-btn {
	background: rgba(0, 0, 0, 0.05);
	border: 1px solid rgba(0, 0, 0, 0.1);
	color: #1e293b;
}

body.light-theme .change-level-btn:hover {
	background: rgba(0, 0, 0, 0.1);
}

body.light-theme .canvas-wrap .level-info {
	background: rgba(255, 255, 255, 0.1);
}

body.light-theme .app.practice-active .level-info {
	background: rgba(255, 255, 255, 0.1);
}

/* Canvas area fills remaining viewport under toolbar */
.canvas-wrap {
	position: relative;
	flex: 1;
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
}

/* Full screen canvas mode when practice is active */
.app.practice-active {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	z-index: 1000;
	background: inherit;
}

.app.practice-active .toolbar,
.app.practice-active .difficulty-selector {
	display: none;
}

.app.practice-active .canvas-wrap {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	width: 100vw;
	height: 100vh;
	flex: none;
	z-index: 1001;
}

.app.practice-active #canvas {
	width: 100vw !important;
	height: 100vh !important;
}

.app.practice-active .level-info {
	position: absolute;
	top: clamp(16px, 3vw, 20px);
	left: clamp(16px, 3vw, 20px);
	z-index: 1001;
	display: flex;
	flex-direction: column;
	gap: clamp(8px, 2vw, 12px);
}

@media (max-width: 768px) {
	.app.practice-active .level-info {
		position: absolute;
		top: clamp(12px, 2vw, 16px);
		left: clamp(12px, 2vw, 16px);
		right: clamp(12px, 2vw, 16px);
		background: rgba(0, 0, 0, 0.1);
		padding: clamp(8px, 2vw, 12px);
		border-radius: 8px;
		flex-direction: row;
		justify-content: space-between;
		width: auto;
		box-sizing: border-box;
	}
}

/* Mobile Responsive */
@media (max-width: 768px) {
	.app {
		height: 100vh;
		max-height: 100vh;
		overflow: hidden;
	}

	.toolbar {
		padding: clamp(12px, 3vw, 16px);
		flex-wrap: nowrap;
		gap: clamp(8px, 2vw, 12px);
		flex-shrink: 0;
	}

	.app-title {
		font-size: clamp(18px, 4vw, 22px);
		margin: 0;
		white-space: nowrap;
	}

	.difficulty-selector {
		padding: clamp(16px, 3vw, 20px);
		justify-content: flex-start;
		padding-top: clamp(8px, 2vw, 12px);
	}

	.difficulty-selector h2 {
		font-size: clamp(22px, 5vw, 26px);
		margin-bottom: clamp(16px, 3vw, 20px);
		flex-shrink: 0;
	}

	.difficulty-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: clamp(12px, 3vw, 16px);
		max-width: 100%;
		width: 100%;
		flex-shrink: 0;
	}
	
	.difficulty-btn {
		min-height: clamp(140px, 22vh, 160px);
		padding: clamp(16px, 3vw, 20px);
		border-radius: 16px;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		gap: clamp(8px, 2vw, 12px);
	}

	.difficulty-header {
		margin-bottom: clamp(6px, 1.5vw, 8px);
	}

	.difficulty-emoji {
		font-size: clamp(32px, 6vw, 36px);
		margin-bottom: clamp(6px, 1.5vw, 8px);
		display: block;
	}

	.difficulty-name {
		font-size: clamp(16px, 3.5vw, 18px);
		margin-bottom: clamp(4px, 1vw, 6px);
		font-weight: 700;
	}

	.difficulty-desc {
		font-size: clamp(13px, 2.5vw, 14px);
		margin-bottom: clamp(8px, 2vw, 10px);
		opacity: 0.9;
	}

	.difficulty-preview {
		margin-top: auto;
	}

	.preview-circle {
		width: 50px;
		height: 50px;
		border-width: 3px;
	}

	.preview-center {
		width: 8px;
		height: 8px;
	}
	
	.nav-section {
		flex-direction: row;
		align-items: center;
		gap: clamp(8px, 2vw, 12px);
		width: 100%;
		justify-content: space-between;
	}

	.nav-btn {
		flex: 0 0 auto;
		padding: clamp(8px, 2vw, 12px) clamp(12px, 2.5vw, 16px);
		font-size: clamp(13px, 2.5vw, 15px);
		white-space: nowrap;
	}

	.difficulty-tip {
		font-size: clamp(14px, 3vw, 16px);
		padding: clamp(12px, 3vw, 16px);
		margin-top: clamp(12px, 2vw, 16px);
		flex-shrink: 0;
	}

	.toolbar-controls {
		gap: clamp(6px, 1.5vw, 8px);
		flex-shrink: 0;
	}

	.score {
		font-size: clamp(12px, 2.5vw, 14px);
		padding: clamp(4px, 1vw, 6px) clamp(8px, 2vw, 10px);
		white-space: nowrap;
	}
}

@media (max-height: 600px) {
	.difficulty-selector {
		padding: clamp(8px, 1.5vw, 12px);
	}
	
	.difficulty-btn {
		min-height: clamp(80px, 15vh, 100px);
		padding: clamp(6px, 1vw, 10px);
	}

	.difficulty-selector h2 {
		font-size: clamp(16px, 3vw, 20px);
		margin-bottom: clamp(8px, 1.5vw, 12px);
	}

	.difficulty-grid {
		gap: clamp(6px, 1vw, 10px);
		margin-bottom: clamp(8px, 1.5vw, 12px);
	}

	.toolbar {
		padding: 6px 12px;
	}
	
	.difficulty-tip {
		padding: clamp(6px, 1.5vw, 8px);
		font-size: clamp(11px, 2vw, 12px);
	}
}

@media (max-width: 480px) {
	.toolbar {
		padding: clamp(10px, 3vw, 14px);
		gap: clamp(8px, 2vw, 10px);
	}

	.toolbar-controls { 
		gap: 8px; 
	}
	
	.score { 
		font-size: clamp(12px, 3vw, 14px); 
		padding: 4px 8px; 
	}
	
	.icon-btn { 
		width: 32px; 
		height: 32px; 
		font-size: 16px; 
	}

	.app-title {
		font-size: clamp(16px, 4vw, 20px);
	}

	.difficulty-selector {
		padding: clamp(12px, 3vw, 16px);
	}

	.difficulty-selector h2 {
		font-size: clamp(20px, 5vw, 24px);
		margin-bottom: clamp(12px, 3vw, 16px);
	}
	 
	.difficulty-grid {
		grid-template-columns: 1fr;
		gap: clamp(12px, 3vw, 16px);
		max-width: 400px;
		margin: 0 auto;
	}
	 
	.difficulty-btn {
		min-height: clamp(120px, 20vh, 140px);
		padding: clamp(16px, 4vw, 20px);
		border-radius: 16px;
	}
	 
	.difficulty-emoji {
		font-size: clamp(28px, 6vw, 32px);
		margin-bottom: clamp(8px, 2vw, 10px);
	}
	 
	.difficulty-name {
		font-size: clamp(15px, 3.5vw, 17px);
		margin-bottom: clamp(4px, 1vw, 6px);
	}
	 
	.difficulty-desc {
		font-size: clamp(12px, 2.5vw, 13px);
		margin-bottom: clamp(8px, 2vw, 10px);
	}

	.preview-circle {
		width: 45px;
		height: 45px;
		border-width: 2px;
	}

	.preview-center {
		width: 7px;
		height: 7px;
	}

	.nav-btn { 
		padding: clamp(10px, 3vw, 14px); 
		font-size: clamp(13px, 3vw, 15px); 
		min-height: 40px; 
	}

	.difficulty-tip {
		font-size: clamp(13px, 3vw, 15px);
		padding: clamp(12px, 3vw, 16px);
		margin-top: clamp(16px, 3vw, 20px);
		max-width: 400px;
	}
}

/* Practice-specific modal styles */
.practice-feedback {
	background: rgba(255, 255, 255, 0.05);
	border-radius: 12px;
	padding: clamp(16px, 3vw, 20px);
	margin: clamp(16px, 3vw, 20px) 0;
	border: 1px solid rgba(255, 255, 255, 0.1);
	text-align: center;
}

.encouragement {
	color: #e2e8f0;
	font-size: clamp(14px, 3vw, 16px);
	line-height: 1.5;
	margin: 0 0 clamp(12px, 2vw, 16px) 0;
	font-weight: 500;
}

.level-progress {
	display: flex;
	justify-content: center;
	align-items: center;
}

.progress-info {
	display: flex;
	flex-direction: column;
	gap: 4px;
	font-size: clamp(12px, 2vw, 14px);
	color: #94a3b8;
}

.practice-actions {
	display: flex;
	flex-direction: column;
	gap: clamp(8px, 2vw, 12px);
	margin-top: clamp(16px, 3vw, 20px);
}

.level-up-btn {
	background: linear-gradient(135deg, #10b981, #059669);
	border: none;
	color: white;
	padding: clamp(12px, 2.5vw, 16px) clamp(16px, 3vw, 20px);
	border-radius: 10px;
	font-size: clamp(14px, 3vw, 16px);
	font-weight: 600;
	cursor: pointer;
	transition: all 0.3s ease;
	min-height: 44px;
	box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.level-up-btn:hover {
	transform: translateY(-2px);
	box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
}

.try-again-btn {
	background: linear-gradient(135deg, #667eea, #764ba2);
	border: none;
	color: white;
	padding: clamp(10px, 2vw, 14px) clamp(14px, 3vw, 18px);
	border-radius: 8px;
	font-size: clamp(13px, 2.5vw, 15px);
	font-weight: 500;
	cursor: pointer;
	transition: all 0.3s ease;
	min-height: 40px;
}

.try-again-btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 6px 16px rgba(102, 126, 234, 0.3);
}

.change-level-btn-modal {
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.2);
	color: white;
	padding: clamp(8px, 2vw, 12px) clamp(12px, 2.5vw, 16px);
	border-radius: 6px;
	font-size: clamp(12px, 2vw, 14px);
	cursor: pointer;
	transition: all 0.3s ease;
	min-height: 36px;
}

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

/* Light theme overrides for practice modal */
body.light-theme .practice-feedback {
	background: rgba(0, 0, 0, 0.03);
	border: 1px solid rgba(0, 0, 0, 0.08);
}

body.light-theme .encouragement {
	color: #475569;
}

body.light-theme .progress-info {
	color: #64748b;
}

body.light-theme .change-level-btn-modal {
	background: rgba(0, 0, 0, 0.05);
	border: 1px solid rgba(0, 0, 0, 0.1);
	color: #1e293b;
}

body.light-theme .change-level-btn-modal:hover {
	background: rgba(0, 0, 0, 0.1);
}

/* Additional responsive adjustments for practice modal */
@media (max-width: 480px) {
	.practice-feedback {
		padding: clamp(12px, 3vw, 16px);
		margin: clamp(12px, 3vw, 16px) 0;
	}
	
	.encouragement {
		font-size: clamp(12px, 3vw, 14px);
	}
	
	.practice-actions {
		gap: clamp(6px, 2vw, 10px);
	}
	
	.level-up-btn {
		padding: clamp(10px, 2vw, 14px) clamp(12px, 2.5vw, 16px);
		font-size: clamp(12px, 2.5vw, 14px);
		min-height: 40px;
	}
	
	.try-again-btn, .change-level-btn-modal {
		padding: clamp(8px, 2vw, 10px) clamp(10px, 2vw, 12px);
		font-size: clamp(11px, 2vw, 12px);
		min-height: 36px;
	}
}

/* Compact 2-row layout for modes on small phones */
@media (max-width: 480px) {
	.difficulty-selector h2 {
		margin-bottom: 8px;
	}
	.difficulty-grid {
		grid-template-columns: repeat(3, 1fr);
		gap: 8px;
		max-width: 100%;
		width: 100%;
	}
	.difficulty-btn {
		min-height: 88px;
		padding: 8px;
	}
	.difficulty-emoji {
		font-size: 20px;
		margin-bottom: 2px;
		animation: none;
	}
	.difficulty-name {
		font-size: 12px;
		margin: 0;
	}
	.difficulty-desc,
	.difficulty-preview {
		display: none;
	}
}

@media (max-width: 480px) {
	/* Further reduce padding and hide tip to avoid scrolling */
	.difficulty-selector {
		padding: 8px;
		padding-top: 8px;
	}
	.difficulty-tip {
		display: none;
	}
}