@import url("https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500&display=swap");

:root {
	--font-sans: "DM Sans", "Segoe UI", sans-serif;
	--font-mono: "DM Mono", "Courier New", monospace;
	--color-text-primary: #e5e7eb;
	--color-text-secondary: #9ca3af;
	--color-background-primary: #111827;
	--color-background-secondary: #1f2937;
	--color-border-secondary: #374151;
	--color-border-tertiary: #4b5563;
	--border-radius-md: 6px;
	--border-radius-lg: 12px;
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

body {
	font-family: var(--font-sans, "system-ui");
	background: #030712;
	color: var(--color-text-primary);
	font-size: 14px;
}

.app {
	max-width: 900px;
	margin: 0 auto;
	padding: 12px;
}

.nav {
	display: flex;
	gap: 4px;
	margin-bottom: 16px;
	border-bottom: 0.5px solid var(--color-border-tertiary);
	padding-bottom: 0;
}

.nav-btn {
	font-family: var(--font-sans);
	padding: 8px 14px;
	border: none;
	background: none;
	cursor: pointer;
	color: var(--color-text-secondary);
	font-size: 13px;
	border-bottom: 2px solid transparent;
	margin-bottom: -1px;
	transition: all 0.15s;
}

.nav-btn.active {
	color: var(--color-text-primary);
	border-bottom-color: var(--color-text-primary);
	font-weight: 500;
}

.nav-btn:hover:not(.active) {
	color: var(--color-text-primary);
	background: var(--color-background-secondary);
}

.page {
	display: none;
}

.page.active {
	display: block;
}

.card {
	background: var(--color-background-primary);
	border: 0.5px solid var(--color-border-tertiary);
	border-radius: var(--border-radius-lg);
	padding: 16px;
}

.grid-2 {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
}

.grid-3 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 12px;
}

.grid-4 {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
	gap: 10px;
}

.metric {
	background: var(--color-background-secondary);
	border-radius: var(--border-radius-md);
	padding: 12px 14px;
}

.metric-label {
	font-size: 12px;
	color: var(--color-text-secondary);
	margin-bottom: 4px;
}

.metric-value {
	font-size: 20px;
	font-weight: bold;
}

.member-balance {
	background: var(--color-background-primary);
	border: 0.5px solid var(--color-border-tertiary);
	border-radius: var(--border-radius-md);
	padding: 12px;
}

.member-header {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 8px;
}

.avatar {
	width: 32px;
	height: 32px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 12px;
	font-weight: 500;
	flex-shrink: 0;
}

.balance-bar {
	height: 6px;
	border-radius: 3px;
	background: var(--color-background-secondary);
	margin: 6px 0;
	overflow: hidden;
}

.balance-fill {
	height: 100%;
	border-radius: 3px;
	transition: width 0.3s;
}

.positive .balance-fill {
	background: #1d9e75;
}

.negative .balance-fill {
	background: #e24b4a;
}

h2 {
	font-size: 16px;
	font-weight: 500;
	margin-bottom: 12px;
}

h3 {
	font-size: 14px;
	font-weight: 500;
	margin-bottom: 8px;
}

.section {
	margin-bottom: 20px;
}

label {
	display: block;
	font-size: 12px;
	color: var(--color-text-secondary);
	margin-bottom: 4px;
}

input,
select,
textarea {
	width: 100%;
	padding: 7px 10px;
	border: 0.5px solid var(--color-border-secondary);
	border-radius: var(--border-radius-md);
	background: var(--color-background-primary);
	color: var(--color-text-primary);
	font-size: 13px;
	font-family: inherit;
}

input:focus,
select:focus {
	outline: none;
	border-color: var(--color-text-secondary);
}

.btn {
	padding: 7px 14px;
	border: 0.5px solid var(--color-border-secondary);
	border-radius: var(--border-radius-md);
	background: var(--color-background-primary);
	color: var(--color-text-primary);
	cursor: pointer;
	font-size: 13px;
	font-family: inherit;
	transition: all 0.15s;
}

.btn:hover {
	background: var(--color-background-secondary);
}

.btn-primary {
	background: var(--color-text-primary);
	color: var(--color-background-primary);
	border-color: var(--color-text-primary);
}

.btn-primary:hover {
	opacity: 0.85;
	background: var(--color-text-primary);
}

.btn-danger {
	color: #e24b4a;
	border-color: #e24b4a;
}

.btn-danger:hover {
	background: #fcebeb;
	color: #e24b4a;
}

.btn-sm {
	padding: 4px 10px;
	font-size: 12px;
}

.btn-success {
	color: #1d9e75;
	border-color: #1d9e75;
}

.btn-success:hover {
	background: #e1f5ee;
}

.form-row {
	display: grid;
	gap: 10px;
	margin-bottom: 10px;
}

.form-row.cols-2 {
	grid-template-columns: 1fr 1fr;
}

.form-row.cols-3 {
	grid-template-columns: 1fr 1fr 1fr;
}

.form-row.cols-4 {
	grid-template-columns: 1fr 1fr 1fr 1fr;
}

.expense-row {
	display: grid;
	grid-template-columns: auto 1fr auto auto auto;
	gap: 8px;
	align-items: center;
	padding: 8px 10px;
	border-radius: var(--border-radius-md);
	transition: background 0.1s;
}

.expense-row:hover {
	background: var(--color-background-secondary);
}

.expense-row.individual {
	opacity: 0.8;
}

.cat-badge {
	font-size: 11px;
	padding: 2px 7px;
	border-radius: 10px;
	background: var(--color-background-secondary);
	color: var(--color-text-secondary);
	white-space: nowrap;
}

.split-check {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
}

.split-check label {
	display: flex;
	align-items: center;
	gap: 4px;
	font-size: 12px;
	color: var(--color-text-primary);
	cursor: pointer;
	margin-bottom: 0;
}

.month-nav {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 16px;
}

.month-nav span {
	font-size: 15px;
	font-weight: 500;
	flex: 1;
}

.divider {
	height: 0.5px;
	background: var(--color-border-tertiary);
	margin: 12px 0;
}

.tag {
	font-size: 11px;
	padding: 2px 8px;
	border-radius: 10px;
	font-weight: 500;
}

.tag-credit {
	background: #e1f5ee;
	color: #0f6e56;
}

.tag-debit {
	background: #fcebeb;
	color: #a32d2d;
}

.tag-neutral {
	background: var(--color-background-secondary);
	color: var(--color-text-secondary);
}

.empty {
	padding: 24px;
	text-align: center;
	color: var(--color-text-secondary);
	font-size: 13px;
}

.modal-bg {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	background: rgba(0, 0, 0, 0.4);
	display: none;
	align-items: center;
	justify-content: center;
	z-index: 100;
}

.modal-bg.open {
	display: flex;
}

.modal {
	background: var(--color-background-primary);
	border: 0.5px solid var(--color-border-secondary);
	border-radius: var(--border-radius-lg);
	padding: 20px;
	width: 440px;
	max-width: 95vw;
	max-height: 90vh;
	overflow-y: auto;
}

.modal h2 {
	margin-bottom: 14px;
}

.modal-footer {
	display: flex;
	gap: 8px;
	justify-content: flex-end;
	margin-top: 14px;
}

.actions {
	display: flex;
	gap: 6px;
	justify-content: flex-end;
	margin-bottom: 14px;
	flex-wrap: wrap;
}

.summary-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 13px;
}

.summary-table th {
	text-align: left;
	padding: 6px 8px;
	font-weight: 500;
	border-bottom: 0.5px solid var(--color-border-tertiary);
	color: var(--color-text-secondary);
	font-size: 12px;
}

.summary-table td {
	padding: 6px 8px;
	border-bottom: 0.5px solid var(--color-border-tertiary);
}

.summary-table tr:last-child td {
	border-bottom: none;
}

.color-swatch {
	width: 12px;
	height: 12px;
	border-radius: 50%;
	display: inline-block;
	flex-shrink: 0;
}

.member-row {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 8px 10px;
	border-radius: var(--border-radius-md);
}

.member-row:hover {
	background: var(--color-background-secondary);
}

.flex-end {
	display: flex;
	justify-content: flex-end;
	gap: 8px;
	margin-top: 8px;
}

.text-green {
	color: #1d9e75;
}

.text-red {
	color: #e24b4a;
}

.text-muted {
	color: var(--color-text-secondary);
}

.cat-icon {
	width: 28px;
	height: 28px;
	border-radius: var(--border-radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 14px;
	background: var(--color-background-secondary);
	flex-shrink: 0;
}

.progress-row {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-bottom: 6px;
	font-size: 13px;
}

.progress-bar {
	flex: 1;
	height: 6px;
	border-radius: 3px;
	background: var(--color-background-secondary);
	overflow: hidden;
}

.progress-fill {
	height: 100%;
	border-radius: 3px;
}

.tag-dependent {
	background: #fef3c7;
	color: #92400e;
}

.check-inline {
	display: flex;
	align-items: center;
	gap: 6px;
	font-size: 13px;
	color: var(--color-text-primary);
	cursor: pointer;
	margin-bottom: 0;
}

.check-inline input[type="checkbox"] {
	width: auto;
}