/* Practical Profit & Reinvestment Calculator - front-end styles (light theme) */

.plf-prc-root {
	--prc-accent: #2a78d6;      /* categorical slot 1 - blue */
	--prc-accent-dark: #184f95;
	--prc-accent-soft: #eaf2fc;
	--prc-page: #f9f9f7;        /* page plane */
	--prc-surface: #fcfcfb;     /* chart surface */
	--prc-border: #e1e0d9;      /* gridline */
	--prc-baseline: #c3c2b7;
	--prc-text: #0b0b0b;        /* primary ink */
	--prc-muted: #52514e;       /* secondary ink */
	--prc-faint: #898781;       /* muted axis/labels */
	--prc-good: #0ca30c;
	--prc-bad: #d03b3b;
	--prc-series-income: #2a78d6;  /* slot 1 blue */
	--prc-series-costs: #eb6834;   /* slot 2 orange */
	--prc-series-profit: #1baf7a;  /* slot 3 aqua */

	box-sizing: border-box;
	max-width: 960px;
	margin: 0 auto;
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--prc-text);
	background: var(--prc-page);
	border: 1px solid var(--prc-border);
	border-radius: 10px;
	padding: 24px;
	line-height: 1.5;
}

.plf-prc-root * { box-sizing: border-box; }

.plf-prc-root h1, .plf-prc-root h2, .plf-prc-root h3, .plf-prc-root h4 {
	margin: 0 0 12px;
	color: var(--prc-accent-dark);
}
.plf-prc-root h1 { font-size: 1.5rem; }
.plf-prc-root h2 { font-size: 1.25rem; }
.plf-prc-root h3 { font-size: 1.05rem; }
.plf-prc-root h4 { font-size: 0.95rem; }
.plf-prc-root p { margin: 0 0 12px; }

.plf-prc-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 20px;
}

.plf-prc-nav button {
	flex: 1 1 auto;
	min-width: 100px;
	padding: 8px 10px;
	font-size: 0.76rem;
	border: 1px solid var(--prc-border);
	background: var(--prc-surface);
	color: var(--prc-muted);
	border-radius: 6px;
	cursor: pointer;
	text-align: center;
}

.plf-prc-nav button.is-active {
	background: var(--prc-accent);
	border-color: var(--prc-accent);
	color: #fff;
	font-weight: 600;
}

.plf-prc-card {
	background: var(--prc-surface);
	border: 1px solid var(--prc-border);
	border-radius: 8px;
	padding: 20px;
	margin-bottom: 16px;
}

.plf-prc-banner {
	background: var(--prc-accent-soft);
	border: 1px solid var(--prc-accent);
	border-radius: 6px;
	padding: 10px 14px;
	font-size: 0.88rem;
	margin-bottom: 16px;
}

.plf-prc-note {
	background: #fdf6e8;
	border: 1px solid #e9c46a;
	border-radius: 6px;
	padding: 12px 14px;
	font-size: 0.9rem;
}

.plf-prc-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}
@media (max-width: 640px) { .plf-prc-grid { grid-template-columns: 1fr; } }

.plf-prc-field label {
	display: block;
	font-weight: 600;
	font-size: 0.85rem;
	margin-bottom: 4px;
}

.plf-prc-field select,
.plf-prc-field input[type="text"],
.plf-prc-field input[type="number"] {
	width: 100%;
	padding: 7px 9px;
	border: 1px solid var(--prc-border);
	border-radius: 5px;
	font-size: 0.9rem;
	background: #fff;
	color: var(--prc-text);
}

.plf-prc-field small {
	display: block;
	color: var(--prc-faint);
	font-size: 0.78rem;
	margin-top: 3px;
}

.plf-prc-amount-row {
	display: grid;
	grid-template-columns: minmax(0,1fr) 140px;
	gap: 12px;
	align-items: center;
	padding: 8px 0;
	border-top: 1px solid var(--prc-border);
}
.plf-prc-amount-row:first-of-type { border-top: none; }
.plf-prc-amount-row label { font-weight: 500; font-size: 0.88rem; }

.plf-prc-total-row {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 12px 0 0;
	margin-top: 8px;
	border-top: 2px solid var(--prc-accent);
	font-weight: 700;
}

.plf-prc-actions {
	display: flex;
	justify-content: space-between;
	gap: 10px;
	margin-top: 16px;
}

.plf-prc-btn {
	display: inline-block;
	padding: 9px 16px;
	border-radius: 6px;
	border: 1px solid var(--prc-accent);
	background: var(--prc-accent);
	color: #fff;
	font-size: 0.88rem;
	font-weight: 600;
	cursor: pointer;
	text-decoration: none;
}
.plf-prc-btn.plf-prc-btn-secondary {
	background: #fff;
	color: var(--prc-accent-dark);
}

.plf-prc-dashboard {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 12px;
	margin-bottom: 16px;
}
@media (max-width: 720px) { .plf-prc-dashboard { grid-template-columns: 1fr; } }

.plf-prc-stat {
	background: var(--prc-surface);
	border: 1px solid var(--prc-border);
	border-radius: 8px;
	padding: 14px;
}
.plf-prc-stat .plf-prc-stat-label {
	font-size: 0.73rem;
	text-transform: uppercase;
	letter-spacing: 0.03em;
	color: var(--prc-faint);
	margin-bottom: 4px;
}
.plf-prc-stat .plf-prc-stat-value {
	font-size: 1.3rem;
	font-weight: 700;
	color: var(--prc-accent-dark);
	font-variant-numeric: tabular-nums;
}

.plf-prc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.86rem;
}
.plf-prc-table th, .plf-prc-table td {
	text-align: left;
	padding: 8px 6px;
	border-bottom: 1px solid var(--prc-border);
}
.plf-prc-table th { color: var(--prc-faint); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; }
.plf-prc-table td.plf-prc-num { text-align: right; font-variant-numeric: tabular-nums; }

.plf-prc-invest-card {
	border: 1px solid var(--prc-border);
	border-radius: 8px;
	padding: 14px;
	margin-bottom: 12px;
	background: var(--prc-surface);
}
.plf-prc-invest-card.is-highlighted {
	border-color: var(--prc-accent);
	box-shadow: 0 0 0 2px var(--prc-accent-soft);
}
.plf-prc-invest-head {
	display: flex;
	justify-content: space-between;
	align-items: baseline;
	gap: 10px;
	margin-bottom: 6px;
}
.plf-prc-invest-head strong { font-size: 0.95rem; }
.plf-prc-rate-badge {
	font-size: 0.75rem;
	font-weight: 700;
	color: var(--prc-accent-dark);
	background: var(--prc-accent-soft);
	padding: 2px 8px;
	border-radius: 20px;
}
.plf-prc-invest-source {
	font-size: 0.76rem;
	color: var(--prc-faint);
	margin-bottom: 8px;
}
.plf-prc-invest-metrics {
	display: grid;
	grid-template-columns: repeat(3, minmax(0,1fr));
	gap: 10px;
	font-size: 0.82rem;
}
@media (max-width: 640px) { .plf-prc-invest-metrics { grid-template-columns: 1fr 1fr; } }
.plf-prc-metric-label { color: var(--prc-faint); font-size: 0.72rem; text-transform: uppercase; margin-bottom: 2px; }
.plf-prc-metric-value { font-weight: 700; font-variant-numeric: tabular-nums; }

.plf-prc-chart {
	display: flex;
	align-items: flex-end;
	gap: 28px;
	margin-top: 18px;
	padding: 0 10px;
	border-bottom: 2px solid var(--prc-baseline);
}
.plf-prc-bar-col {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 6px;
	flex: 1 1 0;
}
.plf-prc-bar-value {
	font-size: 0.8rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	color: var(--prc-text);
}
.plf-prc-bar {
	width: 56px;
	border-radius: 4px 4px 0 0;
	min-height: 2px;
}
.plf-prc-bar-income { background: var(--prc-series-income); }
.plf-prc-bar-costs { background: var(--prc-series-costs); }
.plf-prc-bar-profit { background: var(--prc-series-profit); }
.plf-prc-bar-label {
	font-size: 0.78rem;
	color: var(--prc-muted);
	display: flex;
	align-items: center;
	gap: 6px;
}
.plf-prc-legend-dot {
	width: 9px;
	height: 9px;
	border-radius: 50%;
	display: inline-block;
}

.plf-prc-kv {
	display: grid;
	grid-template-columns: 220px 1fr;
	gap: 4px 10px;
	font-size: 0.88rem;
}
.plf-prc-kv dt { font-weight: 600; color: var(--prc-muted); }
.plf-prc-kv dd { margin: 0; }

.plf-prc-report-section { margin-bottom: 18px; }
.plf-prc-report-section h3 {
	border-bottom: 2px solid var(--prc-accent);
	padding-bottom: 4px;
}

.plf-prc-footer-note {
	font-size: 0.8rem;
	color: var(--prc-faint);
	border-top: 1px solid var(--prc-border);
	padding-top: 10px;
	margin-top: 10px;
}

.plf-prc-root h3.plf-prc-spaced { margin-top: 28px; }

/* Custom categories */
.plf-prc-remove {
	margin-left: 8px;
	padding: 0 6px;
	border: 0;
	background: transparent;
	color: var(--prc-bad);
	font-size: 0.75rem;
	cursor: pointer;
	text-decoration: underline;
}
.plf-prc-add-category {
	padding: 10px 0 4px;
	border-top: 1px dashed var(--prc-border);
}
.plf-prc-add-category label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 4px; }
.plf-prc-add-category-controls { display: flex; gap: 8px; flex-wrap: wrap; }
.plf-prc-add-category-controls input {
	flex: 1 1 200px;
	padding: 7px 9px;
	border: 1px solid var(--prc-border);
	border-radius: 5px;
	font-size: 0.9rem;
	background: #fff;
	color: var(--prc-text);
}

/* Pie chart */
.plf-prc-pie-section { margin-top: 20px; }
.plf-prc-pie {
	display: grid;
	grid-template-columns: 200px minmax(0, 1fr);
	gap: 20px;
	align-items: center;
}
@media (max-width: 640px) { .plf-prc-pie { grid-template-columns: 1fr; justify-items: center; } }
.plf-prc-pie-svg { width: 200px; height: 200px; display: block; }
.plf-prc-pie-legend { list-style: none; margin: 0; padding: 0; width: 100%; }
.plf-prc-pie-legend li {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 4px 0;
	font-size: 0.86rem;
	border-bottom: 1px solid var(--prc-border);
}
.plf-prc-pie-label { flex: 1 1 auto; }
.plf-prc-pie-value { font-variant-numeric: tabular-nums; font-weight: 600; white-space: nowrap; }
.plf-prc-pie-empty { color: var(--prc-faint); font-size: 0.86rem; }

/* Reinvestment budget */
.plf-prc-share-controls { display: flex; gap: 12px; align-items: center; margin-bottom: 14px; }
.plf-prc-share-controls input[type="range"] { flex: 1 1 auto; }
.plf-prc-share-controls input[type="number"] { width: 90px; flex: 0 0 90px; }
.plf-prc-budget { margin-bottom: 16px; }
.plf-prc-budget .plf-prc-dashboard { margin-bottom: 10px; }
.plf-prc-budget-sticky {
	position: sticky;
	top: 0;
	z-index: 5;
	background: var(--prc-surface);
	padding-top: 8px;
}
.plf-prc-stat.is-negative .plf-prc-stat-value { color: var(--prc-bad); }
.plf-prc-warning {
	background: #fdecec;
	border-color: var(--prc-bad);
	margin-bottom: 12px;
}
.plf-prc-important { margin-top: 4px; }

/* Summary / print */
.plf-prc-summary-head {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 12px;
	flex-wrap: wrap;
	margin-bottom: 12px;
}
.plf-prc-summary-head h2 { margin: 0; }

@media (prefers-color-scheme: dark) {
	.plf-prc-root {
		--prc-accent: #3987e5;
		--prc-accent-dark: #86b6ef;
		--prc-accent-soft: #17253a;
		--prc-page: #0d0d0d;
		--prc-surface: #1a1a19;
		--prc-border: #2c2c2a;
		--prc-baseline: #383835;
		--prc-text: #ffffff;
		--prc-muted: #c3c2b7;
		--prc-faint: #898781;
		--prc-series-income: #3987e5;
		--prc-series-costs: #d95926;
		--prc-series-profit: #199e70;
	}
	.plf-prc-root .plf-prc-field select,
	.plf-prc-root .plf-prc-field input[type="text"],
	.plf-prc-root .plf-prc-field input[type="number"] {
		background: #1a2320;
		color: var(--prc-text);
		border-color: var(--prc-border);
	}
	.plf-prc-root .plf-prc-btn.plf-prc-btn-secondary { background: #1a1a19; }
	.plf-prc-root .plf-prc-note { background: #2c2410; border-color: #7a5c1e; color: var(--prc-text); }
	.plf-prc-root .plf-prc-warning { background: #3a1616; border-color: #d03b3b; }
	.plf-prc-root .plf-prc-add-category-controls input { background: #1a2320; color: var(--prc-text); }
}

/* Print last so it overrides dark-mode colours. */
@media print {
	body.plf-prc-printing * { visibility: hidden; }
	body.plf-prc-printing .plf-prc-print-target,
	body.plf-prc-printing .plf-prc-print-target * { visibility: visible; }
	body.plf-prc-printing .plf-prc-print-target {
		position: absolute;
		left: 0;
		top: 0;
		width: 100%;
		max-width: none;
		border: 0;
		padding: 0;
	}
	.plf-prc-root {
		--prc-accent: #2a78d6;
		--prc-accent-dark: #184f95;
		--prc-accent-soft: #eaf2fc;
		--prc-page: #ffffff;
		--prc-surface: #ffffff;
		--prc-border: #e1e0d9;
		--prc-baseline: #c3c2b7;
		--prc-text: #0b0b0b;
		--prc-muted: #52514e;
		--prc-faint: #6b6a65;
		-webkit-print-color-adjust: exact;
		print-color-adjust: exact;
	}
	.plf-prc-root .plf-prc-note { background: #fdf6e8; border-color: #e9c46a; color: #0b0b0b; }
	.plf-prc-root .plf-prc-warning { background: #fdecec; border-color: #d03b3b; }
	.plf-prc-nav,
	.plf-prc-actions,
	.plf-prc-no-print,
	.plf-prc-banner { display: none !important; }
	.plf-prc-stat, .plf-prc-report-section, .plf-prc-note { break-inside: avoid; }
}