:root {
	--panel-bg: rgba(255, 252, 247, 0.9);
	--panel-border: rgba(127, 89, 54, 0.26);
	--ink: #1f2937;
	--ink-muted: #5f6b7a;
	--accent: #f97316;
	--accent-soft: #fed7aa;
	--touch-target: 44px;
	--mobile-bottom-gap: calc(env(safe-area-inset-bottom, 0px) + 12px);
	--mobile-side-gap: max(env(safe-area-inset-left, 0px), env(safe-area-inset-right, 0px));
	--mobile-panel-peek: 58px;
	--panel-surface: rgba(255, 255, 255, 0.78);
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	height: 100%;
	overflow: hidden;
}

body {
	font-family: "Nunito", system-ui, sans-serif;
	color: var(--ink);
	background:
		radial-gradient(circle at 14% 10%, rgba(251, 146, 60, 0.23), transparent 42%),
		radial-gradient(circle at 86% 14%, rgba(14, 165, 233, 0.2), transparent 34%),
		linear-gradient(145deg, #f3e8d8 0%, #dbeafe 54%, #ecfdf5 100%);
}

#app-shell {
	display: grid;
	grid-template-columns: 300px minmax(0, 1fr);
	gap: 12px;
	height: 100dvh;
	padding: 12px;
}

.control-panel {
	backdrop-filter: blur(10px);
	background: var(--panel-bg);
	border: 1px solid var(--panel-border);
	border-radius: 18px;
	box-shadow: 0 18px 34px rgba(15, 23, 42, 0.12);
	padding: 14px;
	display: flex;
	flex-direction: column;
	gap: 12px;
	overflow-y: auto;
}

.panel-mobile-head {
	display: none;
}

.control-panel h1 {
	margin: 0;
	font-family: "Changa", sans-serif;
	font-size: clamp(1rem, 2.4vw, 1.1rem);
	line-height: 1;
	letter-spacing: 0.02em;
}

.subtitle {
	margin: 0;
	font-size: 0.72rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ink-muted);
}

.control-panel label {
	display: grid;
	gap: 4px;
	font-size: 0.72rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--ink-muted);
}

.sr-only {
	border: 0;
	clip: rect(0 0 0 0);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute;
	width: 1px;
}

.picker {
	background: var(--panel-surface);
	border: 1px solid rgba(148, 163, 184, 0.4);
	border-radius: 16px;
	padding: 10px;
	display: grid;
	gap: 8px;
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.picker-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	font-size: 0.75rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--ink-muted);
}

.picker-current {
	font-size: 0.75rem;
	font-weight: 900;
	letter-spacing: 0.04em;
	text-transform: none;
	color: var(--ink);
	background: rgba(255, 237, 213, 0.7);
	border-radius: 999px;
	padding: 2px 10px;
}

.picker-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 8px;
}

.picker-card {
	border: 1px solid rgba(148, 163, 184, 0.4);
	background: rgba(255, 255, 255, 0.86);
	border-radius: 14px;
	padding: 6px;
	display: grid;
	gap: 6px;
	text-align: left;
	font-family: inherit;
	color: var(--ink);
	cursor: pointer;
	transition:
		transform 140ms ease,
		box-shadow 140ms ease,
		border-color 140ms ease;
	position: relative;
}

.picker-card:hover {
	transform: translateY(-1px);
	box-shadow: 0 10px 20px rgba(15, 23, 42, 0.12);
}

.picker-card.is-selected {
	border-color: rgba(249, 115, 22, 0.8);
	box-shadow: 0 12px 24px rgba(249, 115, 22, 0.22);
}

.picker-card.is-selected::after {
	content: "✓";
	position: absolute;
	top: 6px;
	right: 6px;
	width: 20px;
	height: 20px;
	border-radius: 999px;
	background: var(--accent);
	color: white;
	font-size: 0.75rem;
	font-weight: 900;
	display: grid;
	place-items: center;
	box-shadow: 0 6px 12px rgba(249, 115, 22, 0.3);
}

.picker-thumb {
	border-radius: 10px;
	border: 1px solid rgba(148, 163, 184, 0.4);
	background: #fff7ed;
	background-position: center;
	background-repeat: no-repeat;
	background-size: cover;
	height: 52px;
}

.picker-thumb.is-none {
	background-image:
		radial-gradient(circle at 20% 20%, rgba(148, 163, 184, 0.4), transparent 45%),
		radial-gradient(circle at 80% 30%, rgba(249, 115, 22, 0.3), transparent 40%),
		repeating-linear-gradient(45deg, rgba(148, 163, 184, 0.25), rgba(148, 163, 184, 0.25) 6px, transparent 6px, transparent 12px);
}

.picker-thumb--background {
	background-size: 70px 70px;
	background-repeat: repeat;
	height: 42px;
}

.picker-thumb--dog,
.picker-thumb--toy {
	background-size: contain;
	background-repeat: no-repeat;
	height: 58px;
}

.picker-thumb--toy {
	height: 50px;
}

.picker-text {
	font-weight: 800;
	font-size: 0.78rem;
}

.picker-meta {
	font-size: 0.68rem;
	color: var(--ink-muted);
	line-height: 1.3;
}

.control-panel select,
.control-panel button:not(.picker-card) {
	appearance: none;
	border: 1px solid rgba(148, 163, 184, 0.5);
	background: rgba(255, 255, 255, 0.92);
	border-radius: 10px;
	font-size: clamp(0.84rem, 1.9vw, 0.9rem);
	font-weight: 700;
	padding: 10px 12px;
	min-height: var(--touch-target);
	font-family: inherit;
	color: var(--ink);
}

.control-panel button:not(.picker-card) {
	cursor: pointer;
	transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.control-panel button:not(.picker-card):hover {
	transform: translateY(-1px);
	border-color: rgba(249, 115, 22, 0.45);
	box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
}

#toggle-throw.is-on {
	border-color: rgba(249, 115, 22, 0.55);
	background: rgba(255, 237, 213, 0.9);
}

.control-panel button:focus-visible,
.control-panel select:focus-visible,
.viewport-hud button:focus-visible,
.mobile-quick-controls button:focus-visible,
.panel-mobile-toggle:focus-visible {
	outline: 2px solid rgba(249, 115, 22, 0.65);
	outline-offset: 2px;
}

.button-row {
	display: grid;
	gap: 8px;
}

.hint {
	margin: 0;
	font-size: 0.72rem;
	line-height: 1.45;
	color: var(--ink-muted);
}

#viewport {
	position: relative;
	overflow: hidden;
	background: rgba(248, 250, 252, 0.7);
	border-radius: 22px;
	border: 1px solid rgba(148, 163, 184, 0.34);
	box-shadow:
		inset 0 0 0 1px rgba(255, 255, 255, 0.35),
		0 20px 42px rgba(15, 23, 42, 0.18);
	touch-action: none;
	outline: none;
}

#viewport.throw-mode,
#viewport.throw-mode * {
	cursor: crosshair;
}

#viewport.is-panning,
#viewport.is-panning * {
	cursor: grabbing;
}

.world {
	position: absolute;
	left: 0;
	top: 0;
	transform-origin: top left;
	box-shadow: inset 0 0 0 1px rgba(15, 23, 42, 0.45);
}

.grid-tape {
	position: absolute;
	inset: 0;
	pointer-events: none;
	z-index: 20;
}

.grid-tape__edge {
	position: absolute;
	background: repeating-linear-gradient(300deg, #fbbf24 0 18px, #111827 18px 36px);
}

.grid-tape__edge--top,
.grid-tape__edge--bottom {
	left: 0;
	right: 0;
	height: 12px;
}

.grid-tape__edge--top {
	top: 0;
}

.grid-tape__edge--bottom {
	bottom: 0;
}

.grid-tape__edge--left,
.grid-tape__edge--right {
	top: 0;
	bottom: 0;
	width: 12px;
	background: repeating-linear-gradient(30deg, #fbbf24 0 18px, #111827 18px 36px);
}

.grid-tape__edge--left {
	left: 0;
}

.grid-tape__edge--right {
	right: 0;
}

.dog-sprite {
	position: absolute;
	pointer-events: none;
	z-index: 25;
	transition: transform 120ms ease-out;
}

.dog-bob {
	width: 100%;
	height: 100%;
	animation: dog-bob 1.4s ease-in-out infinite;
}

.dog-sprite img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	filter: drop-shadow(0 10px 12px rgba(15, 23, 42, 0.27));
}

@keyframes dog-bob {
	0% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(-4px);
	}
	100% {
		transform: translateY(0);
	}
}

.toy-instance,
.toy-preview {
	position: absolute;
	pointer-events: none;
	border-radius: 999px;
	background-size: cover;
	background-repeat: no-repeat;
	background-position: center;
	filter: drop-shadow(0 6px 14px rgba(15, 23, 42, 0.24));
}

.toy-instance {
	z-index: 60;
	opacity: 0;
	transform: translateZ(0) scale(0.85);
	transition: opacity 120ms ease-out, transform 120ms ease-out;
}

.toy-instance.is-visible {
	opacity: 1;
	transform: translateZ(0) scale(1);
}

.toy-preview {
	z-index: 55;
	display: none;
}

.toy-preview.is-active {
	display: block;
}

.drag-overlay {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	display: block;
	pointer-events: none;
	z-index: 70;
	opacity: 0;
	transition: opacity 80ms ease-out;
}

.drag-overlay.is-active {
	opacity: 1;
}

.mobile-quick-controls {
	display: none;
}

.viewport-hud {
	position: absolute;
	left: 50%;
	bottom: 16px;
	transform: translateX(-50%);
	display: flex;
	align-items: center;
	gap: 4px;
	padding: 6px;
	border-radius: 999px;
	border: 1px solid rgba(148, 163, 184, 0.4);
	background: rgba(255, 255, 255, 0.92);
	backdrop-filter: blur(8px);
	box-shadow: 0 10px 20px rgba(15, 23, 42, 0.16);
	z-index: 90;
}

.viewport-hud button {
	border: 1px solid rgba(203, 213, 225, 0.8);
	background: white;
	color: var(--ink);
	font-family: "Changa", sans-serif;
	font-size: 1rem;
	line-height: 1;
	border-radius: 999px;
	height: var(--touch-target);
	min-width: var(--touch-target);
	padding: 0 10px;
	cursor: pointer;
}

.viewport-hud button:hover {
	border-color: rgba(249, 115, 22, 0.45);
	background: #fff7ed;
}

#zoom-reset {
	font-size: 0.9rem;
	font-family: "Nunito", sans-serif;
	font-weight: 900;
	min-width: 96px;
}

@media (prefers-reduced-motion: reduce) {
	.dog-bob {
		animation: none;
	}

	.control-panel button,
	.toy-instance,
	.drag-overlay {
		transition: none;
	}
}

@media (max-width: 920px) {
	#app-shell {
		display: block;
		height: 100dvh;
		padding: 0;
	}

	.control-panel {
		position: fixed;
		left: calc(10px + var(--mobile-side-gap));
		right: calc(10px + var(--mobile-side-gap));
		bottom: var(--mobile-bottom-gap);
		z-index: 140;
		max-height: min(52dvh, 420px);
		overflow: auto;
		padding: 12px;
		border-radius: 16px;
		gap: 8px;
		transform: translateY(calc(100% - var(--mobile-panel-peek)));
		transition: transform 180ms ease-out;
	}

	body.mobile-ui-open .control-panel {
		transform: translateY(0);
	}

	.panel-mobile-head {
		display: flex;
		align-items: center;
		justify-content: space-between;
		gap: 10px;
	}

	.panel-mobile-toggle {
		font-size: 0.82rem;
		font-weight: 800;
		min-height: var(--touch-target);
		border-radius: 999px;
		padding: 0 14px;
	}

	.panel-mobile-label {
		font-size: 0.72rem;
		font-weight: 800;
		letter-spacing: 0.08em;
		color: var(--ink-muted);
		text-transform: uppercase;
	}

	#viewport {
		height: 100dvh;
		border-radius: 0;
		border: none;
		box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2);
	}

	.mobile-quick-controls {
		position: absolute;
		top: calc(env(safe-area-inset-top, 0px) + 12px);
		right: calc(env(safe-area-inset-right, 0px) + 12px);
		display: grid;
		gap: 8px;
		z-index: 95;
	}

	.mobile-quick-controls button {
		min-height: var(--touch-target);
		min-width: 106px;
		border-radius: 999px;
		padding: 0 14px;
		border: 1px solid rgba(148, 163, 184, 0.45);
		background: var(--panel-surface);
		backdrop-filter: blur(8px);
		font-family: "Changa", sans-serif;
		font-size: 0.92rem;
		font-weight: 700;
		color: var(--ink);
		box-shadow:
			inset 0 1px 0 rgba(255, 255, 255, 0.82),
			0 8px 18px rgba(15, 23, 42, 0.13);
	}

	#mobile-throw-toggle.is-on {
		border-color: rgba(249, 115, 22, 0.62);
		background: rgba(255, 237, 213, 0.92);
	}

	body.mobile-ui-open .mobile-quick-controls button:last-child {
		border-color: rgba(249, 115, 22, 0.52);
		background: #fff7ed;
	}

	.viewport-hud {
		left: 50%;
		right: auto;
		bottom: calc(var(--mobile-bottom-gap) + var(--mobile-panel-peek) + 8px);
		padding: 6px;
		gap: 6px;
	}

	.viewport-hud button {
		font-size: 1.05rem;
		padding: 0 12px;
	}

	#zoom-reset {
		min-width: 88px;
	}
}

@media (max-width: 540px) {
	.control-panel {
		left: calc(8px + var(--mobile-side-gap));
		right: calc(8px + var(--mobile-side-gap));
		max-height: min(58dvh, 440px);
	}

	.control-panel h1 {
		font-size: 1rem;
	}

	.subtitle,
	.hint,
	.control-panel label {
		font-size: 0.7rem;
	}

	.mobile-quick-controls button {
		min-width: 100px;
		font-size: 0.86rem;
	}

	.viewport-hud {
		transform: translateX(-50%) scale(0.95);
	}
}