.tvqr {
	--tvqr-bg: #08111f;
	--tvqr-panel: #101c2e;
	--tvqr-panel-strong: #14243a;
	--tvqr-border: #30435d;
	--tvqr-text: #f1f5f9;
	--tvqr-muted: #a9b7c9;
	--tvqr-accent: #22d3ee;
	--tvqr-accent-dark: #0891b2;
	--tvqr-success: #34d399;
	--tvqr-error: #fda4af;
	box-sizing: border-box;
	width: min(100%, 1080px);
	margin: 1.5rem auto;
	padding: clamp(1rem, 2.5vw, 2rem);
	border: 1px solid var(--tvqr-border);
	border-radius: 24px;
	background:
		radial-gradient(circle at 100% 0, rgb(34 211 238 / 12%), transparent 34rem),
		var(--tvqr-bg);
	box-shadow: 0 24px 70px rgb(2 6 23 / 20%);
	color: var(--tvqr-text);
	font: 400 16px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.tvqr *,
.tvqr *::before,
.tvqr *::after {
	box-sizing: inherit;
}

.tvqr [hidden] {
	display: none !important;
}

.tvqr__header {
	margin-bottom: 1rem;
}

.tvqr__title {
	margin: 0;
	color: var(--tvqr-text);
	font-size: clamp(1.45rem, 3vw, 2rem);
	font-weight: 750;
	letter-spacing: -0.025em;
}

.tvqr__intro {
	margin: 0.35rem 0 0;
	color: var(--tvqr-muted);
}

.tvqr__tabs {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 0.5rem;
	margin: 1rem 0;
	padding: 0.35rem;
	border: 1px solid var(--tvqr-border);
	border-radius: 16px;
	background: rgb(2 6 23 / 45%);
}

.tvqr__tab,
.tvqr__button {
	min-height: 44px;
	margin: 0;
	border: 1px solid transparent;
	border-radius: 11px;
	font: inherit;
	font-weight: 650;
	cursor: pointer;
	transition: border-color 150ms ease, background-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.tvqr__tab {
	padding: 0.65rem 0.85rem;
	background: transparent;
	color: var(--tvqr-muted);
}

.tvqr__tab:hover {
	background: rgb(255 255 255 / 5%);
	color: var(--tvqr-text);
}

.tvqr__tab.is-active {
	border-color: rgb(34 211 238 / 42%);
	background: rgb(34 211 238 / 13%);
	color: #cffafe;
}

.tvqr__tab:focus-visible,
.tvqr__button:focus-visible,
.tvqr input:focus-visible,
.tvqr select:focus-visible,
.tvqr textarea:focus-visible,
.tvqr summary:focus-visible {
	outline: 3px solid var(--tvqr-accent);
	outline-offset: 2px;
}

.tvqr__panel,
.tvqr__output {
	padding: clamp(0.9rem, 2vw, 1.35rem);
	border: 1px solid var(--tvqr-border);
	border-radius: 18px;
	background: rgb(16 28 46 / 84%);
}

.tvqr__grid {
	display: grid;
	gap: 0.9rem;
}

.tvqr__grid--2 {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tvqr__grid--3 {
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tvqr__field--wide {
	grid-column: 1 / -1;
}

.tvqr__field > label:not(.tvqr__check) {
	display: block;
	margin: 0 0 0.35rem;
	color: var(--tvqr-muted);
	font-size: 0.875rem;
	font-weight: 650;
}

.tvqr input:not([type="checkbox"]),
.tvqr select,
.tvqr textarea {
	display: block;
	width: 100%;
	min-height: 45px;
	margin: 0;
	padding: 0.7rem 0.8rem;
	border: 1px solid var(--tvqr-border);
	border-radius: 11px;
	background: #07101e;
	box-shadow: none;
	color: var(--tvqr-text);
	font: inherit;
}

.tvqr textarea {
	min-height: 6rem;
	resize: vertical;
}

.tvqr input::placeholder,
.tvqr textarea::placeholder {
	color: #75859b;
	opacity: 1;
}

.tvqr input:disabled {
	opacity: 0.55;
	cursor: not-allowed;
}

.tvqr__check {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	min-height: 36px;
	margin-top: 0.55rem;
	color: var(--tvqr-text);
	cursor: pointer;
}

.tvqr__check input {
	width: 1.1rem;
	height: 1.1rem;
	margin: 0;
	accent-color: var(--tvqr-accent-dark);
}

.tvqr__notice {
	display: grid;
	gap: 0.15rem;
	margin-bottom: 1rem;
	padding: 0.85rem 1rem;
	border-left: 4px solid var(--tvqr-accent);
	border-radius: 10px;
	background: rgb(34 211 238 / 9%);
}

.tvqr__notice span,
.tvqr__help {
	color: var(--tvqr-muted);
	font-size: 0.875rem;
}

.tvqr__notice--swish {
	border-left-color: #8b5cf6;
	background: rgb(139 92 246 / 10%);
}

.tvqr__help {
	margin: 0.55rem 0 0;
}

.tvqr__output {
	display: grid;
	grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
	gap: clamp(1rem, 3vw, 1.75rem);
	margin-top: 1rem;
}

.tvqr__preview-card {
	display: grid;
	place-items: center;
	align-self: start;
	width: 100%;
	aspect-ratio: 1;
	padding: 0.85rem;
	border: 1px solid var(--tvqr-border);
	border-radius: 18px;
	background: #ffffff;
	overflow: hidden;
}

.tvqr__placeholder {
	display: grid;
	place-items: center;
	gap: 0.65rem;
	max-width: 15rem;
	color: #526177;
	text-align: center;
	font-size: 0.9rem;
}

.tvqr__placeholder span {
	font-size: 4rem;
	line-height: 1;
	opacity: 0.3;
}

.tvqr__image {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 1;
}

.tvqr__output-controls {
	min-width: 0;
}

.tvqr__advanced {
	margin-bottom: 1rem;
	border: 1px solid var(--tvqr-border);
	border-radius: 12px;
	background: rgb(2 6 23 / 24%);
}

.tvqr__advanced summary {
	padding: 0.75rem 0.85rem;
	color: var(--tvqr-text);
	font-weight: 650;
	cursor: pointer;
}

.tvqr__advanced[open] summary {
	border-bottom: 1px solid var(--tvqr-border);
}

.tvqr__advanced .tvqr__grid {
	padding: 0.85rem;
}

.tvqr__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem;
	margin-bottom: 1rem;
}

.tvqr__button {
	padding: 0.65rem 0.9rem;
	border-color: var(--tvqr-border);
	background: var(--tvqr-panel-strong);
	color: var(--tvqr-text);
}

.tvqr__button:hover:not(:disabled) {
	border-color: #557091;
	background: #1b314e;
	transform: translateY(-1px);
}

.tvqr__button--primary {
	border-color: var(--tvqr-accent-dark);
	background: #0e7490;
	color: #ecfeff;
}

.tvqr__button--primary:hover:not(:disabled) {
	background: var(--tvqr-accent-dark);
}

.tvqr__button:disabled {
	opacity: 0.42;
	cursor: not-allowed;
}

.tvqr .tvqr__encoded {
	min-height: 8rem;
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	font-size: 0.82rem;
	line-height: 1.45;
}

.tvqr__status {
	min-height: 1.5em;
	margin: 0.7rem 0 0;
	color: var(--tvqr-muted);
	font-size: 0.9rem;
}

.tvqr__status[data-kind="success"] {
	color: var(--tvqr-success);
}

.tvqr__status[data-kind="error"] {
	color: var(--tvqr-error);
}

@media (max-width: 760px) {
	.tvqr {
		border-radius: 18px;
	}

	.tvqr__output,
	.tvqr__grid--2,
	.tvqr__grid--3 {
		grid-template-columns: 1fr;
	}

	.tvqr__field--wide {
		grid-column: auto;
	}

	.tvqr__preview-card {
		width: min(100%, 340px);
		margin-inline: auto;
	}
}

@media (max-width: 480px) {
	.tvqr__tabs {
		grid-template-columns: 1fr;
	}

	.tvqr__tab {
		text-align: left;
	}

	.tvqr__actions {
		display: grid;
		grid-template-columns: 1fr;
	}

	.tvqr__button {
		width: 100%;
	}
}

@media (prefers-reduced-motion: reduce) {
	.tvqr__tab,
	.tvqr__button {
		transition: none;
	}
}