:root {
	color-scheme: light;
	--bg: #f6f8fa;
	--surface: #ffffff;
	--surface-alt: #f0f2f4;
	--text: #1b1f23;
	--text-muted: #656d76;
	--text-dim: #57606a;
	--border: #e1e4e8;
	--border-input: #c7ccd1;
	--header-bg: #1b1f23;
	--header-text: #ffffff;
	--header-link: #cfd6dd;
	--header-hover-bg: #30363d;
	--header-whoami: #9aa4ae;
	--btn-bg: #ffffff;
	--primary: #1a7f37;
	--primary-text: #ffffff;
	--danger: #cf222e;
	--danger-text: #ffffff;
	--ok-bg: #dafbe1;
	--ok-text: #116329;
	--off-bg: #eaeef2;
	--off-text: #57606a;
	--warn-bg: #fff8c5;
	--warn-text: #7d4e00;
	--warn-border: #e6c200;
	--error-bg: #ffebe9;
	--error-text: #82071e;
	--error-border: #ffb3ab;
	--success-bg: #dafbe1;
	--success-text: #116329;
	--success-border: #6fcf86;
	--info-bg: #ddf4ff;
	--info-text: #0349b4;
	--info-border: #80ccff;
	--accent: #0969da;
	--accent-on-header: #79c0ff;
	--hover-filter: brightness(0.96);
}

:root[data-theme="light"] { color-scheme: light; }

@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		color-scheme: dark;
		--bg: #0d1117;
		--surface: #161b22;
		--surface-alt: #1c2128;
		--text: #e6edf3;
		--text-muted: #8b949e;
		--text-dim: #8b949e;
		--border: #30363d;
		--border-input: #3d444d;
		--header-bg: #010409;
		--header-text: #f0f6fc;
		--header-link: #b1bac4;
		--header-hover-bg: #21262d;
		--header-whoami: #7d8590;
		--btn-bg: #21262d;
		--primary: #238636;
		--primary-text: #ffffff;
		--danger: #da3633;
		--danger-text: #ffffff;
		--ok-bg: #0f2f1a;
		--ok-text: #3fb950;
		--off-bg: #21262d;
		--off-text: #8b949e;
		--warn-bg: #341a00;
		--warn-text: #d29922;
		--warn-border: #6b4708;
		--error-bg: #2d1214;
		--error-text: #ff7b72;
		--error-border: #5c2225;
		--success-bg: #0f2f1a;
		--success-text: #3fb950;
		--success-border: #2ea043;
		--info-bg: #0c2d5e;
		--info-text: #79c0ff;
		--info-border: #1f6feb;
		--accent: #58a6ff;
		--accent-on-header: #79c0ff;
		--hover-filter: brightness(1.15);
	}
}

:root[data-theme="dark"] {
	color-scheme: dark;
	--bg: #0d1117;
	--surface: #161b22;
	--surface-alt: #1c2128;
	--text: #e6edf3;
	--text-muted: #8b949e;
	--text-dim: #8b949e;
	--border: #30363d;
	--border-input: #3d444d;
	--header-bg: #010409;
	--header-text: #f0f6fc;
	--header-link: #b1bac4;
	--header-hover-bg: #21262d;
	--header-whoami: #7d8590;
	--btn-bg: #21262d;
	--primary: #238636;
	--primary-text: #ffffff;
	--danger: #da3633;
	--danger-text: #ffffff;
	--ok-bg: #0f2f1a;
	--ok-text: #3fb950;
	--off-bg: #21262d;
	--off-text: #8b949e;
	--warn-bg: #341a00;
	--warn-text: #d29922;
	--warn-border: #6b4708;
	--error-bg: #2d1214;
	--error-text: #ff7b72;
	--error-border: #5c2225;
	--success-bg: #0f2f1a;
	--success-text: #3fb950;
	--success-border: #2ea043;
	--info-bg: #0c2d5e;
	--info-text: #79c0ff;
	--info-border: #1f6feb;
	--accent: #58a6ff;
	--accent-on-header: #79c0ff;
	--hover-filter: brightness(1.15);
}

* { box-sizing: border-box; }
body {
	font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	margin: 0;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	color: var(--text);
	background: var(--bg);
}
body.app { background: var(--header-bg); }
.content { flex: 1 1 auto; background: var(--bg); }
header {
	background: var(--header-bg);
	color: var(--header-text);
	padding: 0.75rem 1.25rem;
	display: flex;
	align-items: center;
	gap: 1.25rem;
	flex-wrap: wrap;
}
header .brand { font-weight: 600; margin-right: auto; }
header nav a {
	color: var(--header-link);
	text-decoration: none;
	padding: 0.25rem 0.5rem;
	border-radius: 4px;
}
header nav { display: flex; align-items: center; gap: 0.25rem; }
header nav a.active, header nav a:hover { color: var(--header-text); background: var(--header-hover-bg); }
header .nav-sep {
	width: 1px;
	height: 1.1rem;
	margin: 0 0.5rem;
	background: var(--header-hover-bg);
}
header nav a.nav-admin { display: inline-flex; align-items: center; gap: 0.35rem; }
header nav a.nav-admin.active { color: var(--accent-on-header); background: var(--header-hover-bg); }
header .usermenu { position: relative; }
.usermenu-trigger {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	padding: 0.3rem 0.6rem;
	border: 1px solid transparent;
	border-radius: 6px;
	background: transparent;
	color: var(--header-link);
	font-size: 0.88rem;
	cursor: pointer;
}
.usermenu-trigger:hover,
.usermenu-trigger:focus-visible,
.usermenu-trigger.active,
.usermenu-trigger[aria-expanded="true"] {
	color: var(--header-text);
	background: var(--header-hover-bg);
	filter: none;
}
.usermenu-chevron { transition: transform 0.12s ease; }
.usermenu-trigger[aria-expanded="true"] .usermenu-chevron { transform: rotate(180deg); }

.usermenu-panel {
	position: absolute;
	top: calc(100% + 0.4rem);
	right: 0;
	z-index: 20;
	min-width: 11rem;
	display: flex;
	flex-direction: column;
	padding: 0.25rem;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 8px;
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.usermenu-panel[hidden] { display: none; }
.usermenu-panel form { margin: 0; }
.usermenu-item {
	display: block;
	width: 100%;
	text-align: left;
	padding: 0.45rem 0.7rem;
	border: none;
	border-radius: 5px;
	background: transparent;
	color: var(--text);
	font-size: 0.9rem;
	text-decoration: none;
	cursor: pointer;
}
.usermenu-item:hover, .usermenu-item:focus-visible { background: var(--surface-alt); filter: none; }
.usermenu-danger { color: var(--danger); }

main { max-width: 1280px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

h1 { font-size: 1.4rem; }
h2 { font-size: 1.1rem; margin-top: 2rem; }

table { border-collapse: collapse; width: 100%; margin: 0.75rem 0 1.5rem; background: var(--surface); }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { background: var(--surface-alt); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: none; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 1rem 1.25rem; margin-bottom: 1.5rem; }

.badge { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 10px; font-size: 0.78rem; font-weight: 600; }
.badge-ok { background: var(--ok-bg); color: var(--ok-text); }
.badge-off { background: var(--off-bg); color: var(--off-text); }
.badge-warn { background: var(--warn-bg); color: var(--warn-text); }
.badge-err { background: var(--error-bg); color: var(--error-text); }

.check-row { display: flex; align-items: center; gap: 0.5rem; margin: 0.8rem 0 0.2rem; font-size: 0.95rem; color: var(--text); }
.check-row input[type="checkbox"] { width: auto; margin: 0; }
.check-row input[type="radio"] { width: auto; margin: 0; }
form.stacked label.check-row { display: flex; margin: 0.5rem 0 0.1rem; font-size: 0.95rem; color: var(--text); }
.mode-choice { border: 0; padding: 0; margin: 0.4rem 0 0.8rem; min-width: 0; }
.mode-choice legend { padding: 0; font-size: 0.85rem; color: var(--text-muted); }
form.stacked textarea {
	width: 100%; max-width: 28rem; padding: 0.4rem 0.5rem;
	border: 1px solid var(--border-input); border-radius: 4px; font-size: 0.9rem;
	background: var(--surface); color: var(--text); resize: vertical;
}
.country-select {
	width: 100%;
	max-width: 28rem;
	padding: 0.3rem;
	border: 1px solid var(--border-input);
	border-radius: 4px;
	background: var(--surface);
	color: var(--text);
	font-size: 0.92rem;
}
.country-select option { padding: 0.15rem 0.35rem; }

form.inline { display: inline; }
form.quota-form { display: inline-flex; flex-wrap: nowrap; }
form.stacked label { display: block; font-size: 0.85rem; margin: 0.6rem 0 0.2rem; color: var(--text-muted); }
form.stacked input, form.stacked select {
	width: 100%; max-width: 320px; padding: 0.4rem 0.5rem;
	border: 1px solid var(--border-input); border-radius: 4px; font-size: 0.95rem;
	background: var(--surface); color: var(--text);
}

button, .btn {
	display: inline-block;
	padding: 0.35rem 0.8rem;
	border: 1px solid var(--border-input);
	border-radius: 4px;
	background: var(--btn-bg);
	cursor: pointer;
	font-size: 0.88rem;
	color: var(--text);
	text-decoration: none;
}
button.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
button.danger { background: var(--danger); color: var(--danger-text); border-color: var(--danger); }
button:hover { filter: var(--hover-filter); }
button:disabled { opacity: 0.5; cursor: default; }

.flash { padding: 0.6rem 0.9rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.92rem; }
.flash-error { background: var(--error-bg); color: var(--error-text); border: 1px solid var(--error-border); }
.flash-success { background: var(--success-bg); color: var(--success-text); border: 1px solid var(--success-border); }
.flash-info { background: var(--info-bg); color: var(--info-text); border: 1px solid var(--info-border); }

.muted { color: var(--text-muted); font-size: 0.85rem; }
.mono {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	white-space: nowrap;
	font-variant-numeric: tabular-nums;
}
.mono-wrap { overflow-wrap: anywhere; white-space: normal; }

.reveal { display: inline-flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.reveal-mask { color: var(--text-muted); letter-spacing: 0.05em; }
.reveal-value[hidden], .reveal-mask[hidden] { display: none; }
.reveal-toggle {
	padding: 0.15rem 0.5rem;
	border: 1px solid var(--border-input);
	border-radius: 4px;
	background: var(--btn-bg);
	color: var(--text-muted);
	font-size: 0.78rem;
	cursor: pointer;
}
.reveal-toggle:hover { color: var(--text); filter: none; }

.actions-row { display: flex; gap: 0.4rem; align-items: center; flex-wrap: nowrap; }
.actions-row .btn, .actions-row button { padding: 0.3rem 0.6rem; font-size: 0.84rem; white-space: nowrap; }
@media (min-width: 641px) {
	.device-table-admin .actions-row { display: grid; grid-template-columns: repeat(2, max-content); gap: 0.35rem; }
	.device-table-admin .actions-row > form { display: block; }
	.device-table-admin .actions-row .btn, .device-table-admin .actions-row button { width: 100%; text-align: center; }
	.device-table-admin .cell-metrics { display: none; }
	.device-table-admin .metrics-inline { display: block; }
	.device-table-admin .cell-expires .quota-form { display: flex; flex-direction: column; align-items: stretch; gap: 0.3rem; }
}
td.num { white-space: nowrap; font-variant-numeric: tabular-nums; }

.qr-box { text-align: center; margin: 1rem 0; }
.qr-box img { image-rendering: pixelated; border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem; background: #ffffff; width: 100%; max-width: 460px; height: auto; }

.login-wrap { max-width: 360px; margin: 4rem auto; }
.secret-reveal { background: var(--warn-bg); color: var(--warn-text); border: 1px solid var(--warn-border); padding: 0.75rem 1rem; border-radius: 6px; margin: 1rem 0; }

.mt-1 { margin-top: 1rem; }
.mt-0 { margin-top: 0; }
.conf-block {
	white-space: pre-wrap;
	overflow-wrap: anywhere;
	background: var(--surface-alt);
	border: 1px solid var(--border);
	padding: 1rem;
	border-radius: 6px;
}

.filter-bar {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 0.75rem;
	padding: 0.9rem 1rem;
	margin-bottom: 1rem;
	background: var(--surface);
	border: 1px solid var(--border);
	border-radius: 6px;
}
.filter-field { display: flex; flex-direction: column; gap: 0.25rem; }
.filter-field label { font-size: 0.78rem; color: var(--text-muted); }
.filter-field input, .filter-field select {
	padding: 0.35rem 0.5rem;
	border: 1px solid var(--border-input);
	border-radius: 4px;
	background: var(--surface);
	color: var(--text);
	font-size: 0.9rem;
}
.filter-field input[type="search"] { min-width: 15rem; }
.filter-actions { display: flex; gap: 0.4rem; align-items: center; }

.pager { display: flex; align-items: center; gap: 0.75rem; margin: 0 0 1.5rem; }
.pager button[disabled] { opacity: 0.45; cursor: default; }

.table-wrap { overflow-x: auto; margin: 0.75rem 0 1.5rem; }
.table-wrap table { margin: 0; }

.adminbar {
	background: var(--surface);
	border-bottom: 1px solid var(--border);
}
.adminbar-inner {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 1.25rem;
	display: flex;
	align-items: center;
	gap: 1rem;
	flex-wrap: wrap;
}
.adminbar-version {
	margin-left: auto;
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: 0.78rem;
	color: var(--text-muted);
	white-space: nowrap;
}
.row-link { display: inline-block; margin-left: 0.4rem; font-size: 0.8rem; color: var(--accent); text-decoration: none; }
.row-link:hover { text-decoration: underline; }
.cell-name .badge { white-space: nowrap; }
.name-tools { display: flex; flex-wrap: wrap; align-items: baseline; }
.name-tools .rename[open] { flex-basis: 100%; }
.name-tools .rename { margin: 0 0.5rem 0 0; }
.name-tools:empty { display: none; }
.metrics-inline { display: none; font-size: 0.75rem; color: var(--text-muted); }
.adminbar-label {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--accent);
	padding: 0.55rem 0;
	white-space: nowrap;
}
.subnav {
	display: flex;
	gap: 0.15rem;
	flex-wrap: wrap;
}
.subnav-link {
	padding: 0.6rem 0.8rem;
	color: var(--text-dim);
	text-decoration: none;
	font-size: 0.92rem;
	border-bottom: 2px solid transparent;
	margin-bottom: -1px;
}
.subnav-link:hover { color: var(--text); }
.subnav-link.active { color: var(--accent); font-weight: 600; border-bottom-color: var(--accent); }

.icon-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2rem;
	height: 2rem;
	padding: 0;
	border: 1px solid transparent;
	border-radius: 6px;
	background: transparent;
	color: var(--header-link);
	cursor: pointer;
}
.icon-btn:hover, .icon-btn:focus-visible { color: var(--header-text); background: var(--header-hover-bg); filter: none; }
.icon-btn .icon { display: none; }
.icon-btn[data-theme-mode="auto"] .icon-auto,
.icon-btn[data-theme-mode="light"] .icon-light,
.icon-btn[data-theme-mode="dark"] .icon-dark { display: block; }

.quota-form { display: flex; gap: 0.35rem; align-items: center; }
.quota-form input[type="number"] { width: 4.5rem; padding: 0.2rem 0.35rem; border: 1px solid var(--border-input); border-radius: 4px; background: var(--surface); color: var(--text); font-size: 0.88rem; }
.quota-form input[type="date"], .quota-form input[type="text"] { padding: 0.2rem 0.35rem; border: 1px solid var(--border-input); border-radius: 4px; background: var(--surface); color: var(--text); font-size: 0.88rem; }
.quota-form input[type="text"] { width: 10rem; }
.rename { display: inline-block; margin-left: 0.4rem; }
.rename summary { display: inline; cursor: pointer; color: var(--accent); font-size: 0.8rem; list-style: none; }
.rename summary:hover { text-decoration: underline; }
.rename summary::-webkit-details-marker { display: none; }
.rename[open] summary { margin-bottom: 0.3rem; }
.rename form { margin-top: 0.3rem; }
.expired-text { color: var(--error-text); }
.quota-form select { padding: 0.2rem 0.35rem; border: 1px solid var(--border-input); border-radius: 4px; background: var(--surface); color: var(--text); font-size: 0.88rem; }
.quota-form button { padding: 0.2rem 0.55rem; font-size: 0.82rem; }
.copy-row { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.6rem; }
.copy-link { background: none; border: 1px dashed currentColor; border-radius: 4px; padding: 0.3rem 0.5rem; color: inherit; font: inherit; text-align: left; cursor: copy; max-width: 100%; }
.copy-link:hover { background: rgba(127, 127, 127, 0.12); }
.copy-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.copy-status { font-size: 0.82rem; }
.copy-status.copy-ok { color: var(--ok-text, inherit); font-weight: 600; }
.copy-status.copy-err { color: var(--error-text); }
.usermenu-panel { max-width: calc(100vw - 2rem); }
.ua { max-width: 14rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

@media (pointer: coarse) {
	input, select, textarea { font-size: 16px; }
	button, .btn, .reveal-toggle { min-height: 2.75rem; padding-inline: 0.9rem; }
	a.btn { display: inline-flex; align-items: center; justify-content: center; }
	form.stacked input, form.stacked select, .filter-field input, .filter-field select, .quota-form input, .quota-form select { min-height: 2.75rem; }
	.rename summary { display: inline-block; padding: 0.6rem 0.25rem; }
}

@media (max-width: 640px) {
	header { padding: 0.375rem 1rem; gap: 0.5rem; flex-wrap: nowrap; }
	header .brand { flex: 1 1 auto; min-width: 0; margin-right: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
	header .nav-sep { display: none; }
	header nav a { padding: 0.6rem 0.55rem; }
	.icon-btn { width: 2.5rem; height: 2.5rem; flex: none; }
	.usermenu-trigger { min-height: 2.5rem; max-width: 7.5rem; }
	.usermenu-trigger > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
	.adminbar-inner { padding: 0 1rem; flex-wrap: nowrap; }
	.adminbar-label { display: none; }
	.adminbar-version { display: none; }
	.subnav { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
	.subnav::-webkit-scrollbar { display: none; }
	.subnav-link { white-space: nowrap; padding: 0.7rem 0.7rem; }
	main { padding: 1rem 1rem 2.5rem; }
	.card { padding: 1rem; }
	form.stacked input, form.stacked select { max-width: none; }
	.filter-field { flex: 1 1 100%; }
	.filter-field:has(input[type="date"]) { flex: 1 1 calc(50% - 0.375rem); min-width: 0; }
	.filter-field input, .filter-field select, .filter-field input[type="search"] { width: 100%; min-width: 0; }

	.table-wrap:has(> .stack-table) { overflow: visible; }
	.stack-table { background: transparent; margin: 0; }
	.stack-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
	.stack-table tbody { display: block; }
	.stack-table tbody tr {
		display: grid;
		grid-template-columns: minmax(0, 1fr) auto;
		gap: 0.4rem 0.75rem;
		background: var(--surface);
		border: 1px solid var(--border);
		border-radius: 8px;
		padding: 0.85rem 1rem;
		margin-bottom: 0.75rem;
	}
	.stack-table td { display: block; padding: 0; border: 0; font-size: 0.9rem; min-width: 0; }
	.stack-table td[data-label] { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
	.stack-table td[data-label]::before { content: attr(data-label); color: var(--text-muted); white-space: nowrap; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; letter-spacing: normal; }
	.stack-table td[data-label] > :last-child { min-width: 0; }
	.stack-table td.cell-wrap { overflow-wrap: anywhere; text-align: right; }
	.stack-table td.ua { max-width: none; white-space: normal; text-align: right; font-size: 0.82rem; color: var(--text-dim); }
	.stack-table .cell-title .badge { margin-left: 0.4rem; vertical-align: middle; }
	.stack-table .cell-title { grid-column: 1; grid-row: 1; font-weight: 600; font-size: 1rem; overflow-wrap: anywhere; }
	.stack-table .cell-badge { grid-column: 2; grid-row: 1; align-self: start; }
	.stack-table .cell-actions { grid-column: 1 / -1; margin-top: 0.5rem; }
	.stack-table .cell-actions .actions-row { flex-wrap: wrap; }
	.stack-table .cell-empty { grid-column: 1 / -1; display: block; padding: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
	.stack-table tbody tr:has(> .cell-empty) { display: block; padding: 0; border: 0; background: transparent; }
	.stack-table tbody tr.session-current { border-color: var(--accent); }

	.device-table .rename { display: block; margin: 0.15rem 0 0; font-weight: 400; }
	.device-table .row-link { margin: 0; padding: 0.6rem 0.25rem; font-weight: 400; }
	.device-table .name-tools .rename { margin: 0 0.5rem 0 0; }
	.device-table .rename .quota-form { display: flex; gap: 0.5rem; }
	.device-table .rename input[type="text"] { flex: 1; width: auto; min-width: 0; }
	.device-table .actions-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.5rem; }
	.device-table .actions-row > form { display: block; }
	.device-table .actions-row .btn, .device-table .actions-row button { width: 100%; min-height: 2.75rem; display: flex; align-items: center; justify-content: center; }
	.device-table .actions-row > form:last-child:nth-child(3) { grid-column: 1 / -1; }
	.qr-series { display: block; }
	.device-table .cell-expires .quota-form input[type="date"] { min-width: 0; }
}

@media (max-width: 480px) {
	header.has-admin .brand { display: none; }
	header.has-admin nav { margin-right: auto; }
}

@media (max-width: 380px) {
	header nav a.nav-admin .nav-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}
.breadcrumb { margin: 0 0 0.25rem; font-size: 0.88rem; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb + h1 { margin-top: 0.25rem; margin-bottom: 0.1rem; }
.app-label { margin: 0 0 1rem; color: var(--accent); font-weight: 600; font-size: 0.9rem; }
.app-switch { display: inline-flex; margin: 0.5rem 0 1rem; border: 1px solid var(--border-input); border-radius: 6px; overflow: hidden; background: var(--btn-bg); }
.app-switch a { display: inline-flex; align-items: center; justify-content: center; padding: 0.35rem 0.9rem; font-size: 0.88rem; font-weight: 600; color: var(--text-muted); text-decoration: none; border-bottom: 2px solid transparent; }
.app-switch a + a { border-left: 1px solid var(--border-input); }
.app-switch a:hover { color: var(--text); }
.app-switch a[aria-current="page"] { color: var(--accent); border-bottom-color: var(--accent); background: var(--surface-alt); }
.app-switch a:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.key-note { margin: 0 0 1rem; padding: 0.5rem 0.75rem; border: 1px solid var(--warn-border); border-radius: 6px; background: var(--warn-bg); color: var(--warn-text); font-size: 0.85rem; }

.setup { display: grid; gap: 1.25rem; }
.setup-step h2 { margin: 0 0 0.25rem; font-size: 1rem; }
.setup-step > p.muted { margin: 0 0 0.75rem; }
.setup-other { border-top: 1px solid var(--border); padding-top: 1.25rem; }
@media (min-width: 900px) {
	.setup { grid-template-columns: minmax(16rem, 22rem) minmax(0, 1fr); gap: 2rem; align-items: start; }
	.setup-other { border-top: 0; padding-top: 0; border-left: 1px solid var(--border); padding-left: 2rem; }
}

.qr-series { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.qr-series .qr-box { margin: 0; }
@media (min-width: 641px) { .qr-series .qr-box { flex: 1 1 18rem; max-width: 460px; } }
figure.qr-box figcaption { margin-top: 0.4rem; font-weight: 600; color: var(--text-muted); }

.app-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin: 0; }
.app-actions .copy-row { margin: 0; align-items: center; }
a.btn.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }

.conf-details { margin-top: 1.25rem; border-top: 1px solid var(--border); padding-top: 0.75rem; }
.conf-details summary { cursor: pointer; color: var(--text-muted); margin: 0; }
.conf-details[open] summary { margin-bottom: 0.5rem; }

.on-touch { display: none; }
@media (pointer: coarse) {
	.on-touch { display: block; }
	.app-switch a, .conf-details summary { min-height: 2.75rem; }
	.conf-details summary { display: flex; align-items: center; }
}

@media (max-width: 640px) {
	.app-switch { display: flex; }
	.app-switch a { flex: 1 1 0; }
	.setup-step .app-actions { flex-direction: column; align-items: stretch; }
	.setup-step .app-actions > .btn { text-align: center; }
	.setup-step .copy-row { flex-direction: column; align-items: stretch; gap: 0.3rem; }
	.setup-step .copy-row .btn { width: 100%; }
	.setup-step .copy-status { text-align: center; }
	.qr-series .qr-box { margin: 0.5rem 0; }
}

.asn-presets { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.45rem 0 0.2rem; }
.asn-presets .chip { padding: 0.2rem 0.6rem; font-size: 0.8rem; border-radius: 999px; }