[hidden] {
	display: none;
}

:root {
	--bg-1: #0d1b2a;
	--bg-2: #132238;
	--panel: rgba(14, 28, 45, 0.9);
	--panel-strong: #10243a;
	--line: rgba(244, 162, 97, 0.22);
	--text: #edf2f4;
	--muted: #b9c7d3;
	--accent: #f4a261;
	--accent-strong: #e76f51;
	--link: #8ad5ff;
	--link-visited: #d4b8ff;
	--success: #2a9d8f;
	--warning: #e9c46a;
	--shadow: 0 22px 60px rgba(0, 0, 0, 0.33);
	--radius: 18px;
	--radius-sm: 12px;
	--header-h: 56px;
	--panel-w: 260px;
	--font-display: "Gill Sans", "Trebuchet MS", "Avenir Next", sans-serif;
	--font-body: "Segoe UI Variable Text", "Trebuchet MS", sans-serif;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html,
body {
	min-height: 100%;
	margin: 0;
	background:
		radial-gradient(
			circle at top left,
			rgba(244, 162, 97, 0.18),
			transparent 34%
		),
		radial-gradient(
			circle at bottom right,
			rgba(42, 157, 143, 0.22),
			transparent 36%
		),
		linear-gradient(160deg, var(--bg-1), var(--bg-2));
	color: var(--text);
	font-family: var(--font-body);
}

body {
	overflow: hidden;
}

a:link {
	color: var(--link);
}

a:visited {
	color: var(--link-visited);
}

a:hover,
a:focus-visible {
	color: #bde7ff;
}

/* Diagram figures */
figure.diagram {
	display: inline-block;
	max-width: 360px;
	border: 2px solid white;
	border-radius: var(--radius);
	overflow: hidden;
	margin: 8px 0;
	vertical-align: top;
}

:where(figure.diagram) img,
:where(figure.diagram) embed {
	width: 100%;
	display: block;
}

figure.diagram figcaption {
	background: var(--color-border);
	color: var(--color-text-dim);
	font-style: italic;
	font-size: 0.85rem;
	padding: 6px 10px;
}

button,
input {
	font: inherit;
}

button {
	cursor: pointer;
}

summary {
	cursor: pointer;
}

img {
	display: block;
	max-width: 100%;
}

.app-shell {
	height: 100dvh;
	display: flex;
	flex-direction: column;
	position: relative;
}

.app-header {
	height: var(--header-h);
	padding: 0 14px;
	display: flex;
	align-items: center;
	gap: 12px;
	backdrop-filter: blur(18px);
	background: rgba(7, 16, 27, 0.65);
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	position: relative;
	z-index: 10;
}

.header-copy {
	min-width: 0;
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: 4px;
}

#app-header-title {
	font-family: var(--font-display);
	font-size: 1rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

#app-header-subtitle {
	font-size: 0.85rem;
	color: var(--muted);
}

.header-badge {
	padding: 5px 10px;
	border-radius: 999px;
	border: 1px solid rgba(244, 162, 97, 0.3);
	background: rgba(244, 162, 97, 0.12);
	font-size: 0.78rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	white-space: nowrap;
}

.icon-btn {
	width: 36px;
	height: 36px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.05);
	display: grid;
	place-items: center;
}

.icon-btn:hover,
.btn:hover,
.panel-nav button:hover,
.keypad-button:hover {
	transform: translateY(-1px);
}

.icon-btn img {
	width: 20px;
	height: 20px;
	filter: invert(1);
}

#app-content {
	flex: 1;
	overflow: auto;
	padding: 14px;
}

.view {
	max-width: 1260px;
	margin: 0 auto;
}

.view-game {
	height: 100%;
}

.board-stage {
	min-height: calc(100dvh - var(--header-h) - 40px);
	display: grid;
	grid-template-columns: minmax(0, 1fr) 220px;
	gap: 18px;
	align-items: start;
}

.board-sidebar {
	display: flex;
	flex-direction: column;
	gap: 12px;
	position: sticky;
	top: 0;
}

.board-root {
	min-height: 100%;
	background: linear-gradient(
		180deg,
		rgba(255, 255, 255, 0.08),
		rgba(255, 255, 255, 0.03)
	);
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 24px;
	box-shadow: var(--shadow);
	padding: 0;
	backdrop-filter: blur(14px);
}

.game-highscores {
	padding: 16px;
	border-radius: 20px;
	background: var(--panel);
	border: 1px solid rgba(255, 255, 255, 0.08);
	box-shadow: var(--shadow);
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.game-status {
	padding: 10px 12px;
	border-radius: 16px;
	background: var(--panel);
	border: 1px solid rgba(255, 255, 255, 0.08);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
	display: grid;
	gap: 6px;
}

.highscore-item {
	display: flex;
	justify-content: space-between;
	gap: 12px;
	font-size: 0.9rem;
}

.view-page:not([hidden]) {
	display: flex;
	flex-direction: column;
	gap: 12px;
	padding: 16px;
	border-radius: 18px;
	background: rgba(16, 36, 58, 0.84);
	border: 1px solid rgba(255, 255, 255, 0.08);
	box-shadow: var(--shadow);
}

.view-page h2 {
	font-family: var(--font-display);
	font-size: 1.2rem;
	letter-spacing: 0.05em;
	text-transform: uppercase;
	margin: 0;
}

.view-page details {
	padding: 14px 16px;
	border-radius: var(--radius-sm);
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(255, 255, 255, 0.06);
}

.text-list {
	margin: 12px 0 0;
	padding-left: 18px;
	display: grid;
	gap: 8px;
}

.hint-text {
	color: var(--muted);
}

.options-form {
	display: grid;
	gap: 10px;
}

fieldset {
	margin: 0;
	padding: 10px 12px;
	border-radius: var(--radius-sm);
	border: 1px solid rgba(255, 255, 255, 0.1);
	background: rgba(255, 255, 255, 0.03);
	display: grid;
	gap: 6px;
}

legend {
	padding: 0 6px;
	color: var(--accent);
}

fieldset label {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
}

.highscore-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
	gap: 12px 16px;
	align-items: center;
}

.btn {
	border: none;
	border-radius: 999px;
	padding: 7px 14px;
	background: linear-gradient(135deg, var(--accent), var(--accent-strong));
	color: #101820;
	letter-spacing: 0.03em;
	transition:
		transform 0.2s ease,
		filter 0.2s ease;
}

.btn:hover,
.panel-nav button:hover,
.keypad-button:hover,
.icon-btn:hover {
	filter: brightness(1.06);
}

.btn-secondary {
	background: rgba(255, 255, 255, 0.08);
	color: var(--text);
	border: 1px solid rgba(255, 255, 255, 0.12);
}

#panel-overlay {
	position: fixed;
	inset: 0;
	background: rgba(0, 0, 0, 0.46);
	z-index: 30;
}

#side-panel {
	position: fixed;
	left: 0;
	top: 0;
	bottom: 0;
	width: var(--panel-w);
	padding: 20px 0;
	background: rgba(8, 17, 29, 0.98);
	border-right: 1px solid rgba(255, 255, 255, 0.08);
	transform: translateX(calc(-1 * var(--panel-w)));
	transition: transform 0.25s ease;
	z-index: 40;
}

#side-panel.open {
	transform: translateX(0);
}

.panel-title {
	padding: 0 20px 14px;
	margin: 0;
	font-family: var(--font-display);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--muted);
}

.panel-nav {
	list-style: none;
	margin: 0;
	padding: 0;
}

.panel-nav button {
	width: 100%;
	padding: 14px 20px;
	background: transparent;
	border: none;
	color: var(--text);
	text-align: left;
	transition:
		transform 0.2s ease,
		background 0.2s ease;
}

.panel-nav button:hover {
	background: rgba(255, 255, 255, 0.06);
}

.panel-divider {
	height: 1px;
	margin: 8px 0;
	background: rgba(255, 255, 255, 0.08);
}

/* ---- Word game layout ---- */

.word-game-layout {
	display: grid;
	gap: 14px;
}

.board-area {
	display: grid;
	gap: 8px;
}

.board-title-row {
	display: flex;
	justify-content: space-between;
	gap: 14px;
	align-items: start;
}

.eyebrow {
	font-size: 0.78rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--accent);
}

.board-title {
	margin: 3px 0 0;
	font-family: var(--font-display);
	font-size: 1.3rem;
	line-height: 1.05;
}

.board-subtitle {
	margin: 0;
	color: var(--muted);
	max-width: 44ch;
}

.metrics-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 8px;
}

.metric {
	padding: 7px 10px;
	border-radius: 10px;
	background: rgba(255, 255, 255, 0.04);
	border: 1px solid rgba(255, 255, 255, 0.06);
}

.metric-label {
	display: block;
	font-size: 0.76rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--muted);
	margin-bottom: 3px;
}

.metric-value {
	font-size: 0.9rem;
}

.card-title {
	margin: 0;
	font-size: 0.92rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--muted);
}

/* ---- Attempt grid ---- */

.attempt-grid {
	display: flex;
	flex-direction: column;
	gap: 4px;
	align-items: flex-start;
	width: max-content;
	max-width: 100%;
	margin: 6px auto;
}

.attempt-row {
	display: flex;
	gap: 4px;
}

.tile {
	width: 48px;
	height: 48px;
	border: 2px solid rgba(255, 255, 255, 0.18);
	border-radius: 6px;
	display: grid;
	place-items: center;
	font-size: 1.3rem;
	font-weight: 700;
	text-transform: uppercase;
	font-family: var(--font-display);
	transition: border-color 0.1s;
}

.tile .letter-lowercase {
	text-transform: none;
}

.tile-empty {
	border-color: rgba(255, 255, 255, 0.1);
}

.tile-filled {
	border-color: rgba(255, 255, 255, 0.5);
	background: rgba(255, 255, 255, 0.07);
}

.tile-cursor {
	border-color: var(--accent);
	background: rgba(244, 162, 97, 0.08);
}

.tile-done {
	background: rgba(255, 255, 255, 0.1);
	border-color: rgba(255, 255, 255, 0.25);
}

.tile-correct {
	background: #2a9d8f;
	border-color: #2a9d8f;
	color: #fff;
}

.tile-present {
	background: #e9c46a;
	border-color: #e9c46a;
	color: #1a1200;
}

.tile-absent {
	background: rgba(80, 94, 110, 0.7);
	border-color: rgba(80, 94, 110, 0.7);
	color: rgba(255, 255, 255, 0.7);
}

.feedback-badges {
	display: flex;
	gap: 6px;
	align-items: center;
	margin-left: 8px;
}

.feedback-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 4px 8px;
	border-radius: 999px;
	font-size: 0.72rem;
	line-height: 1;
	font-weight: 700;
	text-transform: lowercase;
	white-space: nowrap;
	color: #ffffff;
}

.feedback-badge-exact {
	background: #2a9d8f;
}

.feedback-badge-misplaced {
	background: #c86a16;
}

/* ---- On-screen keyboard ---- */

.keyboard-area {
	margin-top: 4px;
}

.keyboard {
	display: flex;
	flex-direction: column;
	gap: 6px;
	align-items: center;
}

.keyboard-row {
	display: flex;
	gap: 4px;
	justify-content: center;
}

.key {
	height: 44px;
	min-width: 32px;
	padding: 0 8px;
	border-radius: 8px;
	border: 1px solid rgba(255, 255, 255, 0.12);
	background: rgba(255, 255, 255, 0.1);
	color: var(--text);
	font-size: 0.88rem;
	font-weight: 600;
	cursor: pointer;
	transition:
		transform 0.1s ease,
		filter 0.1s ease;
}

.key:hover:not(:disabled) {
	transform: translateY(-1px);
	filter: brightness(1.12);
}

.key:disabled {
	opacity: 0.45;
	cursor: default;
	transform: none;
	filter: none;
}

.key-action {
	min-width: 54px;
	font-size: 1rem;
	background: #9fd6ff;
	border-color: #9fd6ff;
	color: #0f2a3f;
}

.key-letter {
	background: #ffffff;
	border-color: #d9dde2;
	color: #1b1f24;
}

.key-used {
	background: #cfd4da;
	border-color: #cfd4da;
	color: #2d333b;
}

.key-correct {
	background: #2a9d8f;
	border-color: #2a9d8f;
	color: #fff;
}

.key-present {
	background: #e9c46a;
	border-color: #e9c46a;
	color: #1a1200;
}

.key-unused {
	/* white base style comes from .key-letter */
}

.status-message {
	margin: 0;
	font-size: 0.92rem;
	line-height: 1.35;
}

@keyframes tilt-away {
	0% {
		transform: rotate(0deg) translateY(0);
		opacity: 1;
	}
	100% {
		transform: rotate(16deg) translateY(18px);
		opacity: 0.5;
	}
}

@keyframes shake {
	0%,
	100% {
		transform: translateX(0);
	}
	20% {
		transform: translateX(-6px);
	}
	40% {
		transform: translateX(6px);
	}
	60% {
		transform: translateX(-6px);
	}
	80% {
		transform: translateX(6px);
	}
}

#fireworks-canvas {
	display: none;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	z-index: 8;
	pointer-events: none;
}

.attempt-row--tilt .tile {
	transform-origin: bottom center;
	animation: tilt-away 0.7s ease forwards;
}

.attempt-row--shake {
	animation: shake 0.45s ease;
}

@media (max-width: 980px) {
	.board-stage {
		grid-template-columns: 1fr;
	}

	.game-highscores {
		position: static;
	}
}

@media (max-width: 720px) {
	#app-content {
		padding: 10px;
	}

	.board-root,
	.view-page {
		padding: 10px;
		border-radius: 14px;
	}

	.app-header {
		padding: 0 12px;
		gap: 10px;
	}

	#app-header-subtitle,
	.header-badge {
		display: none;
	}

	.metrics-grid,
	.highscore-grid {
		grid-template-columns: 1fr;
	}

	.tile {
		width: 40px;
		height: 40px;
		font-size: 1.1rem;
	}

	.key {
		height: 38px;
		min-width: 26px;
		padding: 0 5px;
		font-size: 0.78rem;
	}

	.key-action {
		min-width: 44px;
		font-size: 0.88rem;
	}
}