:root {
	color-scheme: dark;
	--bg: #16181d;
	--panel: #20232a;
	--panel-2: #2a2e37;
	--text: #e9ebf0;
	--muted: #9aa1ad;
	--accent: #5865f2;
	--speaking: #3ba55d;
	--danger: #e5484d;
	--border: #343945;
	--radius: 14px;
}

@media (prefers-color-scheme: light) {
	:root {
		color-scheme: light;
		--bg: #f3f4f7;
		--panel: #ffffff;
		--panel-2: #e9ebf0;
		--text: #1b1d22;
		--muted: #5d6470;
		--border: #d6d9e0;
	}
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	min-height: 100%;
}

body {
	background: var(--bg);
	color: var(--text);
	font: 16px/1.45 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
	padding-bottom: 96px;
}

main {
	max-width: 760px;
	margin: 0 auto;
	padding: 24px 16px;
}

h1 {
	font-size: 1.5rem;
	margin: 0 0 16px;
}

[hidden] {
	display: none !important;
}

/* ---------- lobby ---------- */
#lobby {
	max-width: 380px;
	margin: 10vh auto 0;
}

form {
	display: grid;
	gap: 14px;
}

label {
	display: grid;
	gap: 6px;
	font-size: 0.9rem;
	color: var(--muted);
}

input,
select {
	font: inherit;
	color: var(--text);
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: 10px;
	padding: 10px 12px;
	width: 100%;
}

input:focus-visible,
select:focus-visible,
button:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 2px;
}

button {
	font: inherit;
	cursor: pointer;
	border: 0;
	border-radius: 10px;
	padding: 10px 16px;
	background: var(--panel-2);
	color: var(--text);
}

button.primary {
	background: var(--accent);
	color: #fff;
	font-weight: 600;
}

button:disabled {
	opacity: 0.6;
	cursor: wait;
}

.error {
	color: var(--danger);
	margin: 0;
	min-height: 1.2em;
}

.hint {
	color: var(--muted);
	font-size: 0.85rem;
}

kbd {
	background: var(--panel-2);
	border-radius: 4px;
	padding: 0 5px;
	font-size: 0.8rem;
}

/* ---------- room ---------- */
#room header {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	flex-wrap: wrap;
}

.status {
	color: var(--muted);
	font-size: 0.9rem;
}

#tiles {
	list-style: none;
	padding: 0;
	margin: 0;
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 12px;
}

.tile {
	background: var(--panel);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 16px;
	display: grid;
	justify-items: center;
	gap: 8px;
	text-align: center;
}

.avatar {
	width: 72px;
	height: 72px;
	border-radius: 50%;
	display: grid;
	place-items: center;
	font-size: 1.8rem;
	font-weight: 700;
	color: #fff;
	background: var(--accent);
	box-shadow: 0 0 0 3px transparent;
	transition: box-shadow 0.12s;
}

.tile.speaking .avatar {
	box-shadow: 0 0 0 3px var(--bg), 0 0 0 6px var(--speaking);
}

.tile .name {
	font-weight: 600;
	max-width: 100%;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.tile .badges {
	font-size: 0.8rem;
	color: var(--muted);
	min-height: 1.2em;
}

.tile .badges .bad {
	color: var(--danger);
}

.tile input[type='range'] {
	padding: 0;
	border: 0;
	background: transparent;
	accent-color: var(--accent);
}

/* ---------- controls ---------- */
#controls {
	position: fixed;
	left: 0;
	right: 0;
	bottom: 0;
	display: flex;
	justify-content: center;
	gap: 10px;
	padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
	background: var(--panel);
	border-top: 1px solid var(--border);
}

#controls button {
	display: grid;
	justify-items: center;
	gap: 2px;
	min-width: 72px;
	font-size: 0.75rem;
	padding: 8px 10px;
}

#controls svg {
	width: 24px;
	height: 24px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
}

#controls .slash {
	display: none;
}

#controls button[aria-pressed='true'] {
	background: var(--danger);
	color: #fff;
}

#controls button[aria-pressed='true'] .slash {
	display: inline;
}

#controls button.danger {
	background: var(--danger);
	color: #fff;
}

@media (max-width: 420px) {
	#controls button {
		min-width: 0;
		flex: 1;
	}
}

/* ---------- settings dialog ---------- */
dialog {
	background: var(--panel);
	color: var(--text);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	width: min(420px, calc(100vw - 32px));
	padding: 20px;
}

dialog::backdrop {
	background: rgb(0 0 0 / 0.5);
}

dialog h2 {
	margin: 0;
	font-size: 1.15rem;
}

label.check {
	display: flex;
	align-items: center;
	gap: 8px;
	color: var(--text);
}

label.check input {
	width: auto;
}