#ugApp {
	--ug-ink: #0f172a;
	--ug-muted: #475569;
	--ug-line: #e2e8f0;
	--ug-primary: #3b82f6;
	--ug-primary-hover: #2563eb;
	--ug-soft: #eff6ff;
	--ug-accent: #1d4ed8;
	--ug-ok: #15803d;
	--ug-ok-bg: #f0fdf4;
	--ug-bad: #b91c1c;
	--ug-bad-bg: #fef2f2;
	--ug-radius: 0.375rem;
	--ug-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.06);
	--ug-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
	color: var(--ug-ink);
}

#ugApp .ug-shell {
	background:
		radial-gradient(1100px 400px at 8% -12%, rgba(59, 130, 246, 0.14), transparent 55%),
		radial-gradient(900px 360px at 100% 0%, rgba(34, 197, 94, 0.06), transparent 50%),
		linear-gradient(180deg, #f8fafc 0%, #ffffff 48%);
	border: 1px solid var(--ug-line);
	border-radius: var(--ug-radius);
	box-shadow: var(--ug-shadow);
	overflow: hidden;
	height: 100%;
	min-height: 22rem;
}

#ugApp .ug-panel {
	background: rgba(255, 255, 255, 0.94);
	backdrop-filter: blur(6px);
	min-height: 100%;
}

#ugApp .ug-label {
	display: block;
	margin-bottom: 0.5rem;
	font-size: 0.875rem;
	font-weight: 600;
	color: #334155;
}

#ugApp .ug-select {
	display: block;
	width: 100%;
	min-height: 2.75rem;
	padding: 0.55rem 2.25rem 0.55rem 0.85rem;
	border: 1px solid var(--ug-line);
	border-radius: 0.5rem;
	background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E") no-repeat right 0.7rem center / 1rem;
	color: var(--ug-ink);
	font-size: 0.875rem;
	font-weight: 500;
	line-height: 1.4;
	cursor: pointer;
	appearance: none;
	-webkit-appearance: none;
	transition: border-color 150ms ease;
}

#ugApp .ug-select:hover {
	border-color: #93c5fd;
}

#ugApp .ug-select:focus {
	outline: none;
	border-color: #93c5fd;
	box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

#ugApp .ug-count-value {
	min-width: 2.5rem;
	text-align: right;
	font-size: 1.125rem;
	font-weight: 700;
	color: var(--ug-accent);
	font-variant-numeric: tabular-nums;
}

#ugApp .ug-range {
	accent-color: var(--ug-primary);
	height: 1.5rem;
	cursor: pointer;
}

#ugApp .ug-checks {
	display: flex;
	flex-direction: column;
	gap: 0.65rem;
}

#ugApp .ug-check {
	display: flex;
	align-items: flex-start;
	gap: 0.6rem;
	font-size: 0.875rem;
	color: #1e293b;
	cursor: pointer;
	line-height: 1.45;
}

#ugApp .ug-check input {
	margin-top: 0.2rem;
	width: 1rem;
	height: 1rem;
	accent-color: var(--ug-primary);
	cursor: pointer;
}

#ugApp .ug-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	min-height: 2.75rem;
	padding: 0 1.15rem;
	border-radius: 0.5rem;
	font-size: 0.875rem;
	font-weight: 600;
	border: 1px solid transparent;
	cursor: pointer;
	transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

#ugApp .ug-btn:focus-visible {
	outline: 2px solid var(--ug-primary);
	outline-offset: 2px;
}

#ugApp .ug-btn-primary {
	background: var(--ug-primary);
	color: #fff;
}

#ugApp .ug-btn-primary:hover {
	background: var(--ug-primary-hover);
}

#ugApp .ug-btn-muted {
	background: #f8fafc;
	color: #1e293b;
	border-color: #e2e8f0;
}

#ugApp .ug-btn-muted:hover {
	background: #f1f5f9;
}

#ugApp .ug-btn-compact {
	min-height: 2.5rem;
	padding: 0 0.9rem;
	flex-shrink: 0;
}

#ugApp .ug-btn.is-done {
	background: var(--ug-soft);
	border-color: #93c5fd;
	color: var(--ug-accent);
}

#ugApp .ug-actions {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
}

#ugApp .ug-hint {
	margin: 0;
	font-size: 0.75rem;
	line-height: 1.55;
	color: #94a3b8;
}

#ugApp .ug-hint code {
	font-size: 0.85em;
	background: #f1f5f9;
	padding: 0.05em 0.3em;
	border-radius: 0.25rem;
	color: #475569;
}

#ugApp .ug-badge {
	display: inline-flex;
	align-items: center;
	min-height: 1.5rem;
	padding: 0 0.55rem;
	border-radius: 0.375rem;
	background: var(--ug-soft);
	color: var(--ug-accent);
	font-size: 0.6875rem;
	font-weight: 700;
	letter-spacing: 0.02em;
}

#ugApp .ug-result {
	margin-top: 0.15rem;
	padding: 1rem 1.1rem;
	border-radius: 0.5rem;
	border: 1px solid #bfdbfe;
	background: linear-gradient(135deg, var(--ug-soft), #fff 60%);
	font-size: 1.05rem;
	font-weight: 700;
	letter-spacing: 0.01em;
	word-break: break-all;
	color: var(--ug-accent);
	font-family: var(--ug-font-mono);
	min-height: 4.25rem;
	line-height: 1.45;
}

#ugApp .ug-list {
	list-style: none;
	margin: 0.85rem 0 0;
	padding: 0;
	max-height: 14rem;
	overflow: auto;
	border: 1px solid var(--ug-line);
	border-radius: 0.5rem;
	background: #fff;
}

#ugApp .ug-list:empty {
	display: none;
}

#ugApp .ug-list li {
	padding: 0.55rem 0.75rem;
	font-size: 0.8125rem;
	font-family: var(--ug-font-mono);
	color: #334155;
	word-break: break-all;
	border-bottom: 1px solid #f1f5f9;
	cursor: pointer;
	transition: background-color 150ms ease, color 150ms ease;
}

#ugApp .ug-list li:last-child {
	border-bottom: 0;
}

#ugApp .ug-list li:hover {
	background: #f8fafc;
	color: var(--ug-accent);
}

#ugApp .ug-list li.is-active {
	background: var(--ug-soft);
	color: var(--ug-accent);
	font-weight: 600;
}

#ugApp .ug-validate {
	border-top: 1px dashed var(--ug-line);
}

#ugApp .ug-validate-row {
	display: flex;
	gap: 0.5rem;
	align-items: stretch;
}

#ugApp .ug-input {
	flex: 1;
	min-width: 0;
	min-height: 2.5rem;
	padding: 0.5rem 0.75rem;
	border: 1px solid var(--ug-line);
	border-radius: 0.5rem;
	background: #fff;
	color: var(--ug-ink);
	font-size: 0.875rem;
	font-family: var(--ug-font-mono);
	transition: border-color 150ms ease;
}

#ugApp .ug-input:focus {
	outline: none;
	border-color: #93c5fd;
}

#ugApp .ug-validate-msg {
	margin: 0.55rem 0 0;
	min-height: 1.25rem;
	font-size: 0.8125rem;
	line-height: 1.45;
	color: var(--ug-muted);
}

#ugApp .ug-validate-msg.is-ok {
	color: var(--ug-ok);
	background: var(--ug-ok-bg);
	padding: 0.45rem 0.65rem;
	border-radius: 0.375rem;
}

#ugApp .ug-validate-msg.is-bad {
	color: var(--ug-bad);
	background: var(--ug-bad-bg);
	padding: 0.45rem 0.65rem;
	border-radius: 0.375rem;
}

#ugApp .ug-notes {
	background: #fff;
	border-radius: var(--ug-radius);
	box-shadow: var(--ug-shadow);
	border: 1px solid var(--ug-line);
}

#ugApp .ug-notes a {
	color: #2563eb;
}

#ugApp .ug-notes code {
	font-size: 0.85em;
	background: #f1f5f9;
	padding: 0.05em 0.3em;
	border-radius: 0.25rem;
}

@media (max-width: 640px) {
	#ugApp .ug-validate-row {
		flex-direction: column;
	}
}

@media (prefers-reduced-motion: reduce) {
	#ugApp .ug-select,
	#ugApp .ug-btn,
	#ugApp .ug-list li,
	#ugApp .ug-input {
		transition: none !important;
	}
}