.ato-app {
	--ato-border: #d8dee8;
	--ato-muted: #5f6b7a;
	--ato-surface: #ffffff;
	--ato-soft: #f6f8fb;
	--ato-primary: #1d4ed8;
	--ato-primary-dark: #1e40af;
	max-width: 980px;
	margin: 24px auto;
	padding: 24px;
	border: 1px solid var(--ato-border);
	border-radius: 18px;
	background: var(--ato-surface);
	box-shadow: 0 10px 30px rgba(15, 23, 42, 0.07);
	color: #172033;
	font-family: inherit;
}

.ato-app * {
	box-sizing: border-box;
}

.ato-header,
.ato-output-header,
.ato-action-row,
.ato-output-actions,
.ato-check-row {
	display: flex;
	align-items: center;
	gap: 12px;
}

.ato-header,
.ato-output-header {
	justify-content: space-between;
}

.ato-header h2,
.ato-output-header h3 {
	margin: 0;
	color: #111827;
}

.ato-header p {
	margin: 6px 0 0;
	color: var(--ato-muted);
	font-size: 14px;
}

.ato-privacy {
	flex: 0 0 auto;
	padding: 6px 10px;
	border-radius: 999px;
	background: #ecfdf3;
	color: #166534;
	font-size: 12px;
	font-weight: 700;
}

.ato-section {
	margin: 22px 0 0;
	padding: 18px;
	border: 1px solid var(--ato-border);
	border-radius: 14px;
	background: var(--ato-soft);
}

.ato-section legend {
	padding: 0 8px;
	font-weight: 800;
	color: #1f2937;
}

.ato-field {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin: 0 0 16px;
}

.ato-label {
	font-size: 14px;
	font-weight: 700;
	color: #273244;
}

.ato-field small {
	color: var(--ato-muted);
	line-height: 1.45;
}

.ato-two-col,
.ato-three-col {
	display: grid;
	gap: 16px;
}

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

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

.ato-app input[type="text"],
.ato-app input[type="number"],
.ato-app select,
.ato-app textarea {
	width: 100%;
	min-height: 44px;
	padding: 10px 12px;
	border: 1px solid #cbd3df;
	border-radius: 10px;
	background: #fff;
	color: #111827;
	font: inherit;
}

.ato-app textarea {
	resize: vertical;
}

.ato-app input:focus,
.ato-app select:focus,
.ato-app textarea:focus {
	outline: 3px solid rgba(29, 78, 216, 0.15);
	border-color: var(--ato-primary);
}

.ato-check-row {
	align-items: flex-start;
	flex-wrap: wrap;
	margin-bottom: 12px;
}

.ato-check-row label,
.ato-switch-label {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 9px 12px;
	border: 1px solid var(--ato-border);
	border-radius: 10px;
	background: #fff;
	font-size: 14px;
	cursor: pointer;
}

.ato-grade-grid {
	display: grid;
	grid-template-columns: repeat(5, minmax(44px, 1fr));
	gap: 8px;
}

.ato-grade-grid label {
	position: relative;
	cursor: pointer;
}

.ato-grade-grid input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.ato-grade-grid span {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	border: 1px solid #cbd3df;
	border-radius: 10px;
	background: #fff;
	font-weight: 800;
	transition: 0.15s ease;
}

.ato-grade-grid input:checked + span {
	border-color: var(--ato-primary);
	background: var(--ato-primary);
	color: #fff;
	box-shadow: 0 4px 10px rgba(29, 78, 216, 0.18);
}

.ato-grade-grid input:focus-visible + span {
	outline: 3px solid rgba(29, 78, 216, 0.2);
}

.ato-action-row {
	justify-content: flex-end;
	margin-top: 20px;
	flex-wrap: wrap;
}

.ato-button {
	min-height: 42px;
	padding: 9px 16px;
	border: 1px solid transparent;
	border-radius: 10px;
	font: inherit;
	font-weight: 800;
	cursor: pointer;
	transition: transform 0.1s ease, background 0.15s ease;
}

.ato-button:hover {
	transform: translateY(-1px);
}

.ato-primary {
	background: var(--ato-primary);
	color: #fff;
}

.ato-primary:hover {
	background: var(--ato-primary-dark);
}

.ato-secondary,
.ato-small {
	border-color: var(--ato-border);
	background: #fff;
	color: #263247;
}

.ato-small {
	min-height: 36px;
	padding: 6px 12px;
	font-size: 13px;
}

.ato-output-section {
	margin-top: 26px;
	padding-top: 22px;
	border-top: 1px solid var(--ato-border);
}

.ato-output-header {
	margin-bottom: 12px;
}

.ato-output {
	min-height: 320px;
	line-height: 1.65;
	background: #fffef8 !important;
}

.ato-status {
	min-height: 22px;
	margin: 8px 0 0;
	color: #166534;
	font-size: 13px;
	font-weight: 700;
}

.ato-app [hidden] {
	display: none !important;
}

@media (max-width: 760px) {
	.ato-app {
		padding: 16px;
		border-radius: 12px;
	}

	.ato-header,
	.ato-output-header {
		align-items: flex-start;
		flex-direction: column;
	}

	.ato-two-col,
	.ato-three-col {
		grid-template-columns: 1fr;
	}

	.ato-output-actions,
	.ato-action-row {
		width: 100%;
	}

	.ato-action-row .ato-button,
	.ato-output-actions .ato-button {
		flex: 1;
	}
}

@media print {
	.ato-form,
	.ato-header,
	.ato-output-actions,
	.ato-status {
		display: none !important;
	}

	.ato-app {
		border: 0;
		box-shadow: none;
		padding: 0;
	}

	.ato-output {
		border: 0;
		min-height: auto;
	}
}