:root {
	--color-paper: oklch(16% 0.018 276);
	--color-paper-2: oklch(20% 0.02 276);
	--color-paper-3: oklch(25% 0.02 276);
	--color-paper-4: oklch(30% 0.022 276);
	--color-ink: oklch(94% 0.012 96);
	--color-ink-2: oklch(80% 0.02 276);
	--color-muted: oklch(63% 0.05 276);
	--color-rule: oklch(35% 0.03 276);
	--color-rule-2: oklch(43% 0.04 276);
	--color-accent: oklch(75% 0.135 298);
	--color-accent-2: oklch(86% 0.115 205);
	--color-accent-ink: oklch(15% 0.02 276);
	--color-danger: oklch(68% 0.18 25);
	--color-success: oklch(78% 0.15 150);
	--color-focus: oklch(86% 0.115 205);
	--color-shadow: oklch(8% 0.012 276 / 0.46);
	--color-overlay: oklch(8% 0.012 276 / 0.78);

	--font-display:
		ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	--font-body: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

	--space-3xs: 0.125rem;
	--space-2xs: 0.25rem;
	--space-xs: 0.5rem;
	--space-sm: 0.75rem;
	--space-md: 1rem;
	--space-lg: 1.5rem;
	--space-xl: 2.5rem;
	--space-2xl: 4rem;
	--space-3xl: 6rem;

	--text-xs: 0.75rem;
	--text-sm: 0.875rem;
	--text-base: 1rem;
	--text-md: 1.125rem;
	--text-lg: 1.375rem;
	--text-xl: 1.75rem;
	--text-2xl: 2.25rem;

	--ease-out: cubic-bezier(0.16, 1, 0.3, 1);
	--ease-in: cubic-bezier(0.7, 0, 0.84, 0);
	--ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
	--dur-micro: 120ms;
	--dur-short: 220ms;
	--dur-long: 420ms;

	--rule: 1px solid var(--color-rule);
	--radius-sm: 0.375rem;
	--radius-md: 0.5rem;
	--radius-lg: 0.75rem;
	--z-modal: 400;
}

* {
	box-sizing: border-box;
}

html,
body {
	overflow-x: clip;
}

html [x-cloak],
.has-cookie #email-modal {
	display: none;
}

body {
	min-height: 100dvh;
	margin: 0;
	background: var(--color-paper);
	color: var(--color-ink);
	font-family: var(--font-body);
	font-size: var(--text-base);
}

body.locked {
	overflow-y: hidden;
}

a {
	color: inherit;
	text-decoration: none;
}

button,
.button,
input,
textarea {
	font: inherit;
}

button,
.button {
	display: inline-flex;
	min-height: 2.75rem;
	align-items: center;
	justify-content: center;
	border: var(--rule);
	border-color: var(--color-accent);
	border-radius: var(--radius-sm);
	padding: 0 var(--space-md);
	background: var(--color-accent);
	color: var(--color-accent-ink);
	font-weight: 700;
	white-space: nowrap;
	cursor: pointer;
	transition:
		background-color var(--dur-short) var(--ease-out),
		border-color var(--dur-short) var(--ease-out),
		color var(--dur-short) var(--ease-out),
		transform var(--dur-micro) var(--ease-out);
}

button:disabled,
.button[aria-disabled="true"] {
	cursor: not-allowed;
	opacity: 0.52;
}

button.secondary,
.button.secondary {
	border-color: var(--color-rule-2);
	background: var(--color-paper-2);
	color: var(--color-ink);
}

button.danger {
	border-color: color-mix(in oklch, var(--color-danger) 68%, var(--color-rule));
	background: color-mix(
		in oklch,
		var(--color-danger) 15%,
		var(--color-paper-2)
	);
	color: var(--color-ink);
}

button.danger:disabled {
	border-color: var(--color-rule);
	background: var(--color-paper-2);
	color: var(--color-muted);
	opacity: 1;
}

button.link {
	min-height: 2.25rem;
	border-color: transparent;
	padding: 0;
	background: transparent;
	color: var(--color-accent-2);
}

button:active,
.button:active {
	transform: translateY(1px);
}

@media (hover: hover) and (pointer: fine) {
	button:hover,
	.button:hover {
		background: color-mix(
			in oklch,
			var(--color-accent) 82%,
			var(--color-paper)
		);
		border-color: var(--color-accent);
		color: var(--color-accent-ink);
		transform: translateY(-1px);
	}

	button.secondary:hover,
	.button.secondary:hover,
	button.link:hover {
		background: var(--color-paper-3);
		color: var(--color-ink);
	}
}

:focus {
	outline: none;
}

:focus-visible {
	outline: 2px solid var(--color-focus);
	outline-offset: 3px;
}

input,
textarea {
	width: 100%;
	min-height: 2.75rem;
	border: var(--rule);
	border-color: var(--color-rule-2);
	border-radius: var(--radius-sm);
	padding: var(--space-sm) var(--space-md);
	background: var(--color-paper-3);
	color: var(--color-ink);
	outline: 2px solid transparent;
	outline-offset: 1px;
	transition:
		background-color var(--dur-short) var(--ease-out),
		border-color var(--dur-short) var(--ease-out);
}

input::placeholder,
textarea::placeholder {
	color: var(--color-muted);
}

input:focus-visible,
textarea:focus-visible {
	border-color: var(--color-accent-2);
	outline-color: var(--color-focus);
}

textarea {
	min-height: 7rem;
	resize: vertical;
}

label {
	display: grid;
	gap: var(--space-xs);
	color: var(--color-ink-2);
	font-size: var(--text-sm);
}

fieldset {
	border: 0;
	margin: 0;
	padding: 0;
}

legend {
	width: 100%;
	color: var(--color-ink);
	font-weight: 700;
}

.panel h2 {
	margin: 0;
	font-size: var(--text-md);
}

table {
	width: 100%;
	border-collapse: collapse;
	font-variant-numeric: tabular-nums;
}

th,
td {
	border-bottom: var(--rule);
	padding: var(--space-md);
	text-align: left;
}

th {
	color: var(--color-muted);
	font-size: var(--text-xs);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

.number {
	text-align: right;
	font-variant-numeric: tabular-nums;
}

.empty {
	color: var(--color-muted);
	text-align: center;
}

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
}

.shell {
	min-height: 100dvh;
	background: var(--color-paper);
}

.sidebar {
	display: grid;
	gap: var(--space-md);
	border-bottom: var(--rule);
	background: color-mix(in oklch, var(--color-paper-2) 90%, var(--color-paper));
	padding: var(--space-md);
}

.sidebar header {
	font-family: var(--font-display);
	font-weight: 700;
}

.sidebar nav {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-xs);
}

.sidebar nav a {
	min-height: 2.75rem;
	border: var(--rule);
	border-color: transparent;
	border-radius: var(--radius-sm);
	padding: var(--space-sm) var(--space-md);
	color: var(--color-ink-2);
	white-space: nowrap;
	transition:
		background-color var(--dur-short) var(--ease-out),
		color var(--dur-short) var(--ease-out),
		border-color var(--dur-short) var(--ease-out);
}

.sidebar nav a.active {
	border-color: var(--color-accent);
	background: color-mix(
		in oklch,
		var(--color-accent) 22%,
		var(--color-paper-2)
	);
	color: var(--color-ink);
}

@media (hover: hover) and (pointer: fine) {
	.sidebar nav a:hover {
		border-color: var(--color-rule-2);
		background: var(--color-paper-3);
		color: var(--color-ink);
	}
}

.sidebar footer {
	display: grid;
	gap: var(--space-xs);
	color: var(--color-muted);
	font-size: var(--text-xs);
	overflow-wrap: anywhere;
}

.sidebar-action {
	color: var(--color-accent-2);
	font-weight: 700;
	white-space: nowrap;
}

main {
	width: min(100%, 82rem);
	margin: 0 auto;
	padding: var(--space-lg) var(--space-md) var(--space-2xl);
}

.page-header {
	display: grid;
	gap: var(--space-md);
	margin-bottom: var(--space-lg);
}

.page-header:has(> div:only-child) {
	margin-bottom: var(--space-md);
}

.page-header h1,
.dialog h1 {
	margin: 0;
	font-family: var(--font-display);
	font-size: var(--text-2xl);
	line-height: 1;
	overflow-wrap: anywhere;
}

.page-header p,
.dialog p {
	max-width: 62ch;
	margin: 0;
	color: var(--color-muted);
	line-height: 1.6;
}

.workspace-grid {
	display: grid;
	gap: var(--space-lg);
}

.form-stack {
	display: grid;
	gap: var(--space-lg);
	min-width: 0;
}

.panel,
.notice,
.ledger-panel,
.dialog {
	border: var(--rule);
	border-radius: var(--radius-lg);
	background: color-mix(in oklch, var(--color-paper-2) 88%, var(--color-paper));
}

.panel,
.ledger-panel {
	padding: var(--space-lg);
}

.panel {
	display: grid;
	gap: var(--space-md);
}

.panel-header {
	display: grid;
	gap: var(--space-xs);
	border-bottom: var(--rule);
	padding-bottom: var(--space-md);
}

.panel-header p {
	margin: 0;
	color: var(--color-muted);
	line-height: 1.5;
}

.field-grid {
	display: grid;
	gap: var(--space-md);
}

.notice {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
	margin-bottom: var(--space-md);
	padding: var(--space-md);
	color: var(--color-accent-2);
}

.split {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-md);
}

.expense-list {
	display: grid;
	gap: var(--space-md);
}

.expense-row {
	display: grid;
	gap: var(--space-md);
	align-items: end;
	border: var(--rule);
	border-radius: var(--radius-md);
	padding: var(--space-md);
	background: var(--color-paper);
}

.short {
	max-width: 12rem;
}

.ledger-panel {
	align-self: start;
	display: grid;
	gap: var(--space-md);
	background: var(--color-paper);
}

.ledger-panel h2 {
	margin: 0;
	font-size: var(--text-md);
}

.summary {
	display: grid;
	gap: var(--space-xs);
	font-variant-numeric: tabular-nums;
}

.summary p {
	display: flex;
	justify-content: space-between;
	gap: var(--space-md);
	margin: 0;
	border-bottom: var(--rule);
	padding: var(--space-sm) 0;
}

.summary .total {
	border-bottom: 0;
	color: var(--color-accent-2);
	font-size: var(--text-lg);
	font-weight: 700;
}

.actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: var(--space-sm);
}

.ledger-actions {
	display: grid;
	gap: var(--space-sm);
}

.form-error {
	margin: 0;
	color: var(--color-danger);
	font-size: var(--text-sm);
}

.status {
	font-size: var(--text-sm);
	font-weight: 700;
}

.status-processing {
	color: var(--color-accent);
}

.status-complete {
	color: var(--color-success);
}

.status-failed {
	color: var(--color-danger);
}

.modal {
	position: fixed;
	inset: 0;
	z-index: var(--z-modal);
	width: 100%;
	height: 100%;
	max-width: none;
	max-height: none;
	border: 0;
	margin: 0;
	padding: var(--space-md);
	background: transparent;
	color: inherit;
}

.modal:not([open]) {
	display: none;
}

.modal[open] {
	display: grid;
	place-items: center;
}

.modal::backdrop {
	background: var(--color-overlay);
}

.dialog {
	display: grid;
	gap: var(--space-md);
	width: min(100%, 32rem);
	padding: var(--space-lg);
	box-shadow: 0 1.25rem 3rem var(--color-shadow);
}

.dialog button {
	width: 100%;
}

.invoice-table-wrap {
	overflow: clip;
	border: var(--rule);
	border-radius: var(--radius-lg);
	background: color-mix(in oklch, var(--color-paper-2) 88%, var(--color-paper));
}

.invoice-table thead {
	display: none;
}

.invoice-table,
.invoice-table tbody,
.invoice-table tr,
.invoice-table td {
	display: block;
	width: 100%;
}

.invoice-table tr {
	border-bottom: var(--rule);
	padding: var(--space-sm) 0;
}

.invoice-table tr:last-child {
	border-bottom: 0;
}

.invoice-table td {
	display: grid;
	grid-template-columns: minmax(7rem, 38%) minmax(0, 1fr);
	gap: var(--space-md);
	border-bottom: 0;
	padding: var(--space-xs) var(--space-md);
	text-align: left;
}

.cell-label {
	color: var(--color-muted);
	font-size: var(--text-xs);
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

.empty-state {
	display: grid;
	gap: var(--space-md);
	padding: var(--space-xl);
}

.empty-state h2,
.empty-state p {
	margin: 0;
}

.empty-state p {
	max-width: 56ch;
	color: var(--color-muted);
	line-height: 1.6;
}

.empty-state .button {
	justify-self: start;
}

@media (min-width: 48rem) {
	.invoice-table {
		display: table;
	}

	.invoice-table thead {
		display: table-header-group;
	}

	.invoice-table tbody {
		display: table-row-group;
	}

	.invoice-table tr {
		display: table-row;
		border-bottom: 0;
		padding: 0;
	}

	.invoice-table th,
	.invoice-table td {
		display: table-cell;
		width: auto;
		border-bottom: var(--rule);
		padding: var(--space-md);
	}

	.cell-label {
		display: none;
	}

	.invoice-table .number {
		text-align: right;
	}
}

@media (min-width: 60rem) {
	.shell {
		display: grid;
		grid-template-columns: minmax(13rem, 17rem) minmax(0, 1fr);
	}

	.sidebar {
		position: sticky;
		top: 0;
		min-height: 100dvh;
		align-content: start;
		border-right: var(--rule);
		border-bottom: 0;
		padding: var(--space-lg);
	}

	.sidebar nav {
		display: grid;
	}

	.sidebar footer {
		align-self: end;
		margin-top: auto;
		border-top: var(--rule);
		padding-top: var(--space-md);
	}

	main {
		padding: var(--space-xl);
	}

	.page-header {
		grid-template-columns: minmax(0, 1fr) minmax(16rem, 22rem);
		align-items: end;
	}

	.workspace-grid {
		grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
		align-items: start;
	}

	.ledger-panel {
		position: sticky;
		top: var(--space-xl);
	}

	.expense-row {
		grid-template-columns: minmax(0, 1fr) minmax(9rem, 12rem) auto;
	}

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

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

@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 150ms;
		animation-iteration-count: 1;
		transition-duration: 150ms;
	}

	button:active,
	.button:active,
	button:hover,
	.button:hover {
		transform: none;
	}
}