/**
 * Unified Appearance control styles (home / SSTV / QRFile / Live*).
 * Pair with theme-boot.js + markup:
 *   <button class="rl-chrome-btn" data-rl-appearance-btn>…</button>
 *   <div class="rl-appearance-menu" data-rl-appearance-menu hidden>…</div>
 */
.rl-chrome-btn {
	appearance: none;
	border: 1px solid var(--border);
	background: var(--surface);
	color: var(--text);
	font: inherit;
	font-size: 0.78rem;
	font-weight: 650;
	padding: 0.35rem 0.55rem;
	border-radius: 9px;
	cursor: pointer;
	min-height: 2.1rem;
	min-width: 2.1rem;
	line-height: 1;
	box-shadow: var(--shadow, none);
}

.rl-chrome-btn:hover {
	background: var(--surface-hover, var(--surface));
}

.rl-chrome-btn:focus-visible {
	outline: 2px solid var(--accent, var(--accent-fallback, #0284c7));
	outline-offset: 2px;
}

.rl-appearance-wrap {
	position: relative;
	display: inline-flex;
}

.rl-appearance-menu {
	position: absolute;
	right: 0;
	top: calc(100% + 0.35rem);
	z-index: 80;
	min-width: 10.5rem;
	padding: 0.4rem;
	background: var(--surface-solid, var(--surface));
	border: 1px solid var(--border);
	border-radius: 12px;
	box-shadow: var(--shadow-lg, var(--shadow));
	display: flex;
	flex-direction: column;
	gap: 0.1rem;
	backdrop-filter: blur(16px) saturate(1.2);
	-webkit-backdrop-filter: blur(16px) saturate(1.2);
}

.rl-appearance-menu[hidden] {
	display: none !important;
}

.rl-appearance-menu .rl-menu-label {
	margin: 0.35rem 0.35rem 0.1rem;
	font-size: 0.65rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--muted);
}

.rl-appearance-menu button {
	appearance: none;
	border: none;
	background: transparent;
	color: var(--text);
	font: inherit;
	font-size: 0.85rem;
	font-weight: 600;
	text-align: left;
	padding: 0.5rem 0.55rem;
	border-radius: 8px;
	cursor: pointer;
	min-height: auto;
}

.rl-appearance-menu button:hover,
.rl-appearance-menu button.is-active {
	background: color-mix(in srgb, var(--accent, #0284c7) 14%, transparent);
}

.rl-appearance-menu button.is-active {
	box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent, #0284c7) 30%, transparent);
}

/* Help modal (shared) */
.rl-modal {
	position: fixed;
	inset: 0;
	z-index: 100;
	background: rgba(0, 0, 0, 0.45);
	display: grid;
	place-items: center;
	padding: 1rem;
}

.rl-modal[hidden] {
	display: none !important;
}

.rl-modal-card {
	width: min(100%, 22rem);
	background: var(--surface-solid, var(--surface));
	border: 1px solid var(--border);
	border-radius: 14px;
	padding: 1rem 1.1rem;
	box-shadow: var(--shadow-lg, var(--shadow));
	color: var(--text);
}

.rl-modal-card h2 {
	margin: 0 0 0.55rem;
	font-size: 1.05rem;
}

.rl-modal-card p,
.rl-modal-card li {
	color: var(--muted);
	font-size: 0.88rem;
	line-height: 1.45;
}

.rl-modal-card ul {
	margin: 0 0 0.85rem;
	padding-left: 1.1rem;
}

.rl-modal-card kbd {
	font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
	font-size: 0.8em;
	padding: 0.05rem 0.3rem;
	border-radius: 4px;
	border: 1px solid var(--border);
	background: var(--bg);
	color: var(--text);
}