:root {
	color-scheme: light;

	--color-text: #1e293b;
	--color-text-muted: #64748b;
	--color-border: #e2e8f0;
	--color-border-strong: #cbd5e1;
	--color-page-bg: #ffffff;
	--color-card-bg: #f7eeee;
	--color-surface: #ffffff;
	--color-surface-sunken: #f8fafc;

	--color-accent: #6366f1;
	--color-accent-strong: #4f46e5;
	--color-accent-tint: #f5f5ff;

	--color-success: #16a34a;
	--color-success-bg: #f0fdf4;

	--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Helvetica, Arial, sans-serif;
	--font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

	--text-display-size: 1.75rem;
	--text-display-lh: 1.15;
	--text-display-tracking: -0.02em;

	--text-title-size: 1.05rem;
	--text-title-lh: 1.3;
	--text-title-tracking: -0.01em;

	--text-body-size: 1.05rem;
	--text-body-lh: 1.5;
	--text-body-tracking: -0.006em;

	--text-caption-size: 0.85rem;
	--text-micro-size: 0.8rem;
	--text-micro-tracking: 0.03em;
	--text-fine-size: 0.75rem;
	--text-fine-lh: 1.5;
	--text-mono-size: 0.85rem;
	--text-mono-lh: 1.6;

	--space-1: 4px;
	--space-2: 8px;
	--space-3: 12px;
	--space-4: 16px;
	--space-5: 20px;
	--space-6: 24px;

	--radius-sm: 8px;
	--radius-md: 10px;
	--radius-lg: 14px;
	--radius-xl: 20px;
}

@media (prefers-color-scheme: dark) {
	:root {
		color-scheme: dark;

		--color-text: #e2e8f0;
		--color-text-muted: #94a3b8;
		--color-border: #334155;
		--color-border-strong: #475569;
		--color-page-bg: #0f1115;
		--color-card-bg: #201a1a;
		--color-surface: #181b20;
		--color-surface-sunken: #14161a;

		--color-accent: #818cf8;
		--color-accent-strong: #a5b4fc;
		--color-accent-tint: #262a45;

		--color-success: #4ade80;
		--color-success-bg: #14291c;
	}
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: var(--font-sans);
	font-size: var(--text-body-size);
	line-height: var(--text-body-lh);
	letter-spacing: var(--text-body-tracking);
	background: var(--color-page-bg);
	color: var(--color-text);
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	-webkit-font-smoothing: antialiased;
}

/* Top bar */
.topbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 16px 24px;
	border-bottom: 1px solid var(--color-border);
	flex-shrink: 0;
}

.topbar-left {
	display: flex;
	align-items: center;
	gap: 12px;
}

.step-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	border-radius: var(--radius-sm);
	background: var(--color-accent);
	color: #fff;
	font-weight: 700;
	flex-shrink: 0;
}

.step-title {
	font-size: var(--text-title-size);
	letter-spacing: var(--text-title-tracking);
	margin: 0;
}

.logo {
	display: flex;
	align-items: center;
}

.logo-img {
	height: 40px;
	width: auto;
	border-radius: var(--radius-sm);
	display: block;
}

/* Layout */
.layout {
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--space-6);
	max-width: 1200px;
	width: 92%;
	margin: 0 auto;
	padding: 16px 20px 120px;
}

.content {
	min-width: 0;
	width: 100%;
}

/* Cards */
.card {
	background: var(--color-card-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
	padding: 40px;
}

.card-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
}

.span-all {
	grid-column: 1 / -1;
}

.card-title {
	margin: 0 0 6px;
	font-size: var(--text-title-size);
	letter-spacing: var(--text-title-tracking);
	font-weight: 650;
}

.card-title.center {
	text-align: center;
	font-size: var(--text-display-size);
	line-height: var(--text-display-lh);
	letter-spacing: var(--text-display-tracking);
}

.card-subtitle {
	color: var(--color-text-muted);
	margin: 0 0 20px;
	font-size: var(--text-body-size);
}

.card-subtitle.center {
	text-align: center;
}

.card-header-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 10px;
}

.hidden {
	display: none !important;
}

/* Step 1: upload */
.upload-box {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 260px;
	border: 2px dashed var(--color-border);
	border-radius: var(--radius-md);
	color: var(--color-text-muted);
	cursor: pointer;
	text-align: center;
	padding: 20px;
	transition: border-color 0.15s, background 0.15s;
}

.upload-box:hover,
.upload-box.dragover {
	border-color: var(--color-accent);
	background: var(--color-accent-tint);
}

.upload-box-filename {
	font-weight: 600;
	color: var(--color-text);
}

.upload-camera-row {
	display: none;
}

.photo-review {
	margin-top: 24px;
	text-align: left;
}

.photo-review-box {
	display: block;
	width: 100%;
	min-height: 180px;
	resize: vertical;
	font-family: var(--font-mono);
	font-size: var(--text-mono-size);
	line-height: var(--text-mono-lh);
	color: var(--color-text);
	background: var(--color-surface-sunken);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	padding: 14px;
}

.photo-review-box:focus {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

/* Actions */
.actions {
	display: flex;
	margin-top: 24px;
	gap: 12px;
}

.actions-end {
	justify-content: flex-end;
}

.actions-between {
	justify-content: space-between;
}

.btn {
	appearance: none;
	border: none;
	border-radius: var(--radius-md);
	padding: 12px 20px;
	font-size: 0.95rem;
	font-weight: 600;
	cursor: pointer;
	min-height: 44px;
}

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

.btn-primary:hover:not(:disabled) {
	background: var(--color-accent-strong);
}

.btn-primary:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.btn-ghost {
	background: var(--color-surface);
	color: var(--color-text);
	border: 1px solid var(--color-border);
}

.btn-ghost:hover {
	background: var(--color-surface-sunken);
}

.link-btn {
	background: none;
	border: none;
	color: var(--color-accent-strong);
	font-weight: 600;
	cursor: pointer;
	padding: 4px;
}

/* Step 2: table */
.table-wrap {
	overflow-x: auto;
}

.terms-table {
	width: 100%;
	border-collapse: collapse;
}

.terms-table th {
	text-align: left;
	font-size: var(--text-micro-size);
	letter-spacing: var(--text-micro-tracking);
	text-transform: uppercase;
	color: var(--color-text-muted);
	border-bottom: 1px solid var(--color-border);
	padding: 10px 8px;
}

.terms-table td {
	padding: 12px 8px;
	border-bottom: 1px solid var(--color-border);
	vertical-align: top;
}

.col-check {
	width: 40px;
}

.terms-table input[type="checkbox"] {
	width: 20px;
	height: 20px;
	accent-color: var(--color-accent);
}

.term-name {
	font-weight: 600;
}

/* Step 3 */
.explanation-box {
	line-height: var(--text-body-lh);
}

.explanation-box[contenteditable="true"] {
	outline: 2px solid var(--color-accent);
	outline-offset: 4px;
	border-radius: 6px;
	padding: 4px;
}

.explanation-box p {
	margin: 0 0 12px;
	white-space: pre-wrap;
}

.detected-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
}

.detected-list li {
	display: flex;
	align-items: center;
	gap: 8px;
}

.detected-list li::before {
	content: "✓";
	color: var(--color-success);
	font-weight: 700;
}

/* Step 4 */
.success-icon {
	width: 64px;
	height: 64px;
	margin: 0 auto 20px;
	border-radius: 50%;
	background: var(--color-success-bg);
	color: var(--color-success);
	font-size: 1.8rem;
	display: flex;
	align-items: center;
	justify-content: center;
}

.doc-frame {
	max-width: 700px;
	width: 100%;
	margin: 24px auto;
	padding: 48px;
	border: 1px solid #e2e8f0;
	border-radius: var(--radius-xl);
	box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
	background: #ffffff;
	color: #1e293b;
}

.doc-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 24px;
}

.doc-logo {
	height: 48px;
	width: auto;
	border-radius: var(--radius-sm);
}

.doc-date {
	color: #64748b;
	font-size: var(--text-caption-size);
}

.doc-explanation {
	line-height: var(--text-body-lh);
}

.doc-explanation p {
	margin: 0 0 12px;
	white-space: pre-wrap;
}

.doc-terms {
	margin-top: 24px;
	padding-top: 20px;
	border-top: 1px solid #e2e8f0;
}

.doc-terms h4 {
	margin: 0 0 12px;
	font-size: 0.95rem;
}

.doc-terms ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
}

.doc-terms li {
	display: flex;
	align-items: center;
	gap: 8px;
}

.doc-terms li::before {
	content: "✓";
	color: #16a34a;
	font-weight: 700;
}

.doc-disclaimer {
	margin: 28px 0 0;
	padding-top: 16px;
	border-top: 1px solid #e2e8f0;
	font-size: var(--text-fine-size);
	line-height: var(--text-fine-lh);
	color: #64748b;
}

.language-select-row {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	margin: 20px 0;
}

.language-select-row label {
	color: var(--color-text-muted);
	font-size: var(--text-caption-size);
}

.language-combobox {
	position: relative;
}

.language-combobox input {
	padding: 8px 12px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	background: var(--color-surface);
	color: var(--color-text);
	font-size: 0.9rem;
	min-width: 200px;
}

.language-combobox input:focus {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

.language-options {
	position: absolute;
	top: calc(100% + 4px);
	left: 0;
	right: 0;
	margin: 0;
	padding: var(--space-1) 0;
	list-style: none;
	max-height: 260px;
	overflow-y: auto;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	box-shadow: 0 4px 16px rgba(15, 23, 42, 0.12);
	z-index: 10;
}

.language-options li {
	padding: var(--space-2) var(--space-3);
	cursor: pointer;
	font-size: 0.9rem;
	color: var(--color-text);
	text-align: left;
}

.language-options li:hover,
.language-options li:active {
	background: var(--color-accent-tint);
	color: var(--color-accent-strong);
}

.next-label {
	text-align: center;
	font-weight: 600;
	margin: 28px 0 16px;
}

.export-cards {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}

.export-card {
	appearance: none;
	background: var(--color-surface);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: 20px;
	text-align: left;
	cursor: pointer;
	display: flex;
	flex-direction: column;
	gap: 6px;
	min-height: 44px;
}

.export-card:hover {
	border-color: var(--color-accent);
	box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.export-icon {
	font-size: 1.4rem;
	color: var(--color-accent);
}

.export-title {
	font-weight: 700;
}

.export-desc {
	color: var(--color-text-muted);
	font-size: var(--text-caption-size);
}

/* Progress timeline */
.progress-card {
	order: -1;
	width: 100%;
	padding: 8px 0;
}

.progress-steps {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	gap: 12px;
	position: relative;
}

.progress-steps::before {
	content: "";
	position: absolute;
	left: 14px;
	right: 14px;
	top: 13px;
	width: auto;
	height: 2px;
	background: rgba(99, 102, 241, 0.25);
}

.progress-steps li {
	position: relative;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 8px;
	color: var(--color-text-muted);
	text-align: center;
}

.progress-dot {
	width: 28px;
	height: 28px;
	border-radius: 50%;
	border: 2px solid var(--color-border);
	background: var(--color-page-bg);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0.85rem;
	font-weight: 700;
	flex-shrink: 0;
}

.progress-steps li.done .progress-dot {
	background: var(--color-success);
	border-color: var(--color-success);
	color: #fff;
}

.progress-steps li.done .progress-dot::before {
	content: "✓";
}

.progress-steps li.current {
	color: var(--color-text);
	font-weight: 600;
}

.progress-steps li.current .progress-dot {
	background: var(--color-accent);
	border-color: var(--color-accent);
	color: #fff;
}

/* Print */
@media print {
	body * {
		visibility: hidden;
	}
	.doc-frame,
	.doc-frame * {
		visibility: visible;
	}
	.doc-frame {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		max-width: 100%;
		margin: 0;
		box-shadow: none;
		border: none;
	}
	/* .progress-card uses order: -1 to visually appear before .content on
	   screen despite coming after it in the DOM -- print pagination follows
	   DOM order, not the flex-reordered paint order, so visibility: hidden
	   alone isn't enough to keep it out of the printed page; force it off. */
	.progress-card {
		display: none;
	}
}

/* Responsive */
@media (max-width: 768px) {
	.progress-steps {
		flex-wrap: wrap;
		row-gap: 16px;
	}

	.progress-steps li span:last-child {
		display: none;
	}

	.card-grid {
		grid-template-columns: 1fr;
	}

	.export-cards {
		grid-template-columns: 1fr;
	}

	.card {
		padding: 20px;
	}

	.topbar {
		padding: 12px 16px;
	}

	.step-title {
		font-size: 1rem;
	}

	.doc-frame {
		padding: 24px;
		border-radius: 14px;
	}

	.doc-terms ul {
		grid-template-columns: 1fr;
	}

	.logo-img,
	.doc-logo {
		height: 32px;
	}

	.upload-camera-row {
		display: flex;
		align-items: center;
		justify-content: center;
		gap: 12px;
		margin-top: 12px;
	}

	.upload-camera-divider {
		color: var(--color-text-muted);
	}
}