/* Screen & tab visibility (script toggles .active) */
.screen {
	display: none;
}
.screen.active {
	display: block;
}

.tab-panel {
	display: none;
}
.tab-panel.active {
	display: block;
}

/* Modals: hidden by default, script sets .style.display */
.modal {
	display: none;
}

/* Language selector: top right, liquid glass; reserve space so it doesn't overlap admin on mobile */
.lang-select-wrap {
	padding: 4px;
}
@media (max-width: 640px) {
	body {
		padding-right: 5.5rem;
	}
	#createRoomScreen .create-room-header,
	#joinRoomScreen .join-room-header {
		flex-direction: column;
		align-items: flex-start;
		gap: 0.5rem;
	}
}
.lang-select {
	padding: 6px 28px 6px 10px;
	font-size: 14px;
	font-family: inherit;
	color: rgba(30, 41, 59, 0.95);
	background: rgba(255, 255, 255, 0.4);
	border: 1px solid rgba(255, 255, 255, 0.5);
	border-radius: 0.75rem;
	-webkit-backdrop-filter: blur(16px) saturate(180%);
	backdrop-filter: blur(16px) saturate(180%);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), inset 0 1px 2px rgba(255, 255, 255, 0.5);
	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' fill='none' stroke='%23475569' stroke-width='2'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right 8px center;
	transition: background 0.2s, box-shadow 0.2s;
}
.lang-select:hover {
	background-color: rgba(255, 255, 255, 0.55);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), inset 0 1px 2px rgba(255, 255, 255, 0.6);
}
.lang-select:focus {
	outline: none;
	border-color: rgba(59, 130, 246, 0.6);
	box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Game content padding above floating tab bar */
#gameScreenContent {
	padding-bottom: calc(76px + env(safe-area-inset-bottom, 0));
}

/* Room QR icon (SVG background) */
.room-qr-icon {
	background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23007bff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='7' height='7'/%3E%3Crect x='14' y='3' width='7' height='7'/%3E%3Crect x='3' y='14' width='4' height='4'/%3E%3Crect x='10' y='14' width='4' height='4'/%3E%3Crect x='17' y='14' width='4' height='4'/%3E%3Cpath d='M10 14v4M8 18h4M14 14v4M12 18h4'/%3E%3C/svg%3E") center/22px no-repeat;
}

/* Liquid glass tab bar: keyframes */
@keyframes bar-enter {
	from {
		opacity: 0;
		transform: translateX(-50%) translateY(20px);
	}
	to {
		opacity: 1;
		transform: translateX(-50%) translateY(0);
	}
}

@keyframes tab-select {
	0% { transform: scale(1); }
	45% { transform: scale(1.08); }
	100% { transform: scale(1); }
}

/* Liquid glass tab bar container - fixed to viewport, outside gameScreen so no backdrop-filter ancestor */
.bottom-tab-bar {
	position: fixed;
	bottom: calc(12px + env(safe-area-inset-bottom, 0));
	left: 50%;
	transform: translateX(-50%);
	width: calc(100% - 32px);
	max-width: 360px;
	height: 52px;
	padding: 6px;
	background:
		radial-gradient(ellipse 120% 80% at 20% 10%, rgba(255,255,255,0.72) 0%, rgba(255,255,255,0.35) 40%, transparent 70%),
		linear-gradient(160deg, rgba(255,255,255,0.38) 0%, rgba(255,255,255,0.18) 45%, rgba(255,255,255,0.08) 100%);
	-webkit-backdrop-filter: saturate(240%) blur(80px);
	backdrop-filter: saturate(240%) blur(80px);
	border: 1px solid rgba(255,255,255,0.6);
	border-radius: 9999px;
	box-shadow:
		0 12px 40px rgba(0,0,0,0.14),
		0 4px 12px rgba(0,0,0,0.08),
		inset 0 1px 0 rgba(255,255,255,0.85),
		inset 0 -1px 0 rgba(0,0,0,0.06),
		inset 2px 2px 4px rgba(255,255,255,0.15);
	display: none;
	align-items: center;
	justify-content: center;
	gap: 4px;
	box-sizing: border-box;
	-webkit-tap-highlight-color: transparent;
	z-index: 100;
	animation: bar-enter 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

#gameScreen.active + .bottom-tab-bar {
	display: flex;
}

/* Liquid glass tab buttons */
.game-tab {
	flex: 1;
	max-width: 120px;
	height: 40px;
	padding: 0 10px;
	margin: 0;
	border: none;
	background: transparent;
	color: rgba(60,60,67,0.6);
	font-size: 11px;
	font-weight: 500;
	font-family: inherit;
	cursor: pointer;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 2px;
	border-radius: 9999px;
	transition: color 0.32s cubic-bezier(0.34,1.56,0.64,1), background 0.32s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.32s cubic-bezier(0.34,1.56,0.64,1), transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
}

.game-tab:hover {
	color: rgba(60,60,67,0.9);
	background: rgba(255, 255, 255, 0.4);
	transform: scale(1.02);
}

.game-tab:active {
	transform: scale(0.96);
}

.game-tab.active {
	color: rgba(0,0,0,0.92);
	font-weight: 600;
	background:
		radial-gradient(ellipse 100% 70% at 30% 15%, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.4) 35%, transparent 65%),
		linear-gradient(165deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0.28) 50%, rgba(255,255,255,0.15) 100%);
	-webkit-backdrop-filter: saturate(220%) blur(32px);
	backdrop-filter: saturate(220%) blur(32px);
	box-shadow:
		0 2px 10px rgba(0,0,0,0.08),
		inset 0 1px 0 rgba(255,255,255,0.9),
		inset 0 -1px 0 rgba(0,0,0,0.04),
		inset 1px 1px 2px rgba(255,255,255,0.25);
	animation: tab-select 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Liquid glass primary button (article style) */
.liquid-btn-primary {
	background: linear-gradient(135deg, rgba(59, 130, 246, 0.9) 0%, rgba(37, 99, 235, 0.9) 100%);
	border: 1px solid rgba(255, 255, 255, 0.35);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), inset 0 1px 2px rgba(255, 255, 255, 0.4);
	-webkit-backdrop-filter: blur(16px) saturate(150%);
	backdrop-filter: blur(16px) saturate(150%);
}
.liquid-btn-primary:hover {
	box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}
.liquid-btn-danger {
	background: linear-gradient(135deg, rgba(239, 68, 68, 0.9) 0%, rgba(185, 28, 28, 0.9) 100%);
	border: 1px solid rgba(255, 255, 255, 0.3);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), inset 0 1px 2px rgba(255, 255, 255, 0.35);
	-webkit-backdrop-filter: blur(16px) saturate(150%);
	backdrop-filter: blur(16px) saturate(150%);
}
.liquid-btn-danger:hover {
	box-shadow: 0 4px 12px rgba(239, 68, 68, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.45);
}
.liquid-btn-success {
	background: linear-gradient(135deg, rgba(34, 197, 94, 0.9) 0%, rgba(22, 163, 74, 0.9) 100%);
	border: 1px solid rgba(255, 255, 255, 0.35);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1), inset 0 1px 2px rgba(255, 255, 255, 0.4);
	-webkit-backdrop-filter: blur(16px) saturate(150%);
	backdrop-filter: blur(16px) saturate(150%);
}
.liquid-btn-success:hover {
	box-shadow: 0 4px 12px rgba(34, 197, 94, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

.liquid-btn-public {
	background: linear-gradient(135deg, rgba(99, 102, 241, 0.92) 0%, rgba(129, 140, 248, 0.92) 100%);
	border: 1px solid rgba(255, 255, 255, 0.45);
	box-shadow: 0 2px 10px rgba(67, 56, 202, 0.25), inset 0 1px 2px rgba(255, 255, 255, 0.5);
	-webkit-backdrop-filter: blur(16px) saturate(150%);
	backdrop-filter: blur(16px) saturate(150%);
	color: #fff;
	font-weight: 600;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.liquid-btn-public:hover {
	box-shadow: 0 4px 16px rgba(67, 56, 202, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.6);
	transform: scale(1.03);
}
.liquid-btn-public:active {
	transform: scale(0.98);
}

/* Dynamic content from script.js - Liquid glass category buttons */
.clue-category-btn {
	width: calc(50% - 8px);
	margin: 4px;
	padding: 12px;
	border-radius: 1rem;
	font-size: 14px;
	text-align: center;
	cursor: pointer;
	transition: all 300ms ease-out;
	background: rgba(255, 255, 255, 0.4);
	border: 1px solid rgba(255, 255, 255, 0.5);
	-webkit-backdrop-filter: blur(16px) saturate(180%);
	backdrop-filter: blur(16px) saturate(180%);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), inset 0 1px 2px rgba(255, 255, 255, 0.6);
	color: rgba(30, 41, 59, 0.95);
	font-weight: 500;
}
.clue-category-btn:hover {
	background: rgba(255, 255, 255, 0.6);
	transform: scale(1.02);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), inset 0 1px 2px rgba(255, 255, 255, 0.7);
}
.clue-category-btn:active {
	transform: scale(0.98);
}

@media (max-width: 640px) {
	.clue-category-btn {
		width: 100%;
	}
}

.my-clues-stage {
	margin-bottom: 24px;
}
.my-clues-stage-title {
	font-size: 1.1rem;
	font-weight: 600;
	color: rgba(30, 41, 59, 0.95);
	margin-bottom: 12px;
	padding-bottom: 6px;
	border-bottom: 2px solid rgba(59, 130, 246, 0.5);
}
.my-clues-category {
	margin-bottom: 16px;
}
.my-clues-category-title {
	font-size: 0.95rem;
	color: rgba(71, 85, 105, 0.95);
	margin-bottom: 8px;
}
.my-clues-grid {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}
.my-clue-thumb-wrap {
	position: relative;
	display: inline-block;
	line-height: 0;
}
.my-clue-thumb {
	width: 100px;
	height: 100px;
	object-fit: cover;
	border: 1px solid rgba(255, 255, 255, 0.5);
	border-radius: 0.75rem;
	cursor: pointer;
	display: block;
	transition: all 300ms ease-out;
	background: rgba(255, 255, 255, 0.2);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), inset 0 1px 1px rgba(255, 255, 255, 0.4);
}
.my-clue-thumb-wrap:hover .my-clue-thumb {
	border-color: rgba(59, 130, 246, 0.6);
	box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2), inset 0 1px 2px rgba(255, 255, 255, 0.5);
	transform: scale(1.02);
}
.my-clue-public-badge {
	position: absolute;
	top: 4px;
	right: 4px;
	font-size: 10px;
	font-weight: 600;
	padding: 6px;
	line-height: 1.2;
	background: rgba(37, 99, 235, 0.9);
	color: #fff;
	border-radius: 0.5rem;
	pointer-events: none;
	white-space: nowrap;
	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
#myCluesContainer .empty-hint,
#publicCluesContainer .empty-hint {
	color: rgba(100, 116, 139, 0.95);
	padding: 20px;
	text-align: center;
}

.public-clue-img {
	max-width: 100%;
	height: auto;
	margin: 4px;
	border: 1px solid rgba(255, 255, 255, 0.4);
	border-radius: 0.75rem;
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}