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Upgrade to Next 16 + Tailwind 4 #15

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e6947b2
Upgrade to Next 16 + Tailwind 4
MaxGhenis Mar 6, 2026
dcf6928
Replace hardcoded hex values with @policyengine/design-system tokens
MaxGhenis Mar 7, 2026
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227 changes: 121 additions & 106 deletions app/globals.css
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Original file line number Diff line number Diff line change
@@ -1,45 +1,71 @@
@tailwind base;
@tailwind components;
@tailwind utilities;
@import "tailwindcss";
@import "@policyengine/design-system/tokens.css";

@theme {
--font-sans: var(--pe-font-family-primary);
--font-mono: var(--pe-font-family-mono);

--color-pe-50: var(--pe-color-primary-50);
--color-pe-100: var(--pe-color-primary-100);
--color-pe-200: var(--pe-color-primary-200);
--color-pe-300: var(--pe-color-primary-300);
--color-pe-400: var(--pe-color-primary-400);
--color-pe-500: var(--pe-color-primary-500);
--color-pe-600: var(--pe-color-primary-600);
--color-pe-700: var(--pe-color-primary-700);
--color-pe-800: var(--pe-color-primary-800);
--color-pe-900: var(--pe-color-primary-900);

--color-gray-50: var(--pe-color-gray-50);
--color-gray-100: var(--pe-color-gray-100);
--color-gray-200: var(--pe-color-gray-200);
--color-gray-300: var(--pe-color-gray-300);
--color-gray-400: var(--pe-color-gray-400);
--color-gray-500: var(--pe-color-gray-500);
--color-gray-600: var(--pe-color-gray-600);
--color-gray-700: var(--pe-color-gray-700);
--color-gray-800: var(--pe-color-gray-800);
--color-gray-900: var(--pe-color-gray-900);
}

/* PolicyEngine design system - CSS variables for @layer component styles */
:root {
/* Teal palette */
--pe-teal-50: #E6FFFA;
--pe-teal-100: #B2F5EA;
--pe-teal-200: #81E6D9;
--pe-teal-300: #4FD1C5;
--pe-teal-400: #38B2AC;
--pe-teal-500: #319795;
--pe-teal-600: #2C7A7B;
--pe-teal-700: #285E61;
--pe-teal-800: #234E52;
--pe-teal-900: #1D4044;

/* Gray palette */
--pe-gray-50: #F9FAFB;
--pe-gray-100: #F2F4F7;
--pe-gray-200: #E2E8F0;
--pe-gray-300: #D1D5DB;
--pe-gray-400: #9CA3AF;
--pe-gray-500: #6B7280;
--pe-gray-600: #4B5563;
--pe-gray-700: #344054;
--pe-gray-800: #1F2937;
--pe-gray-900: #101828;
/* Teal palette — sourced from design-system tokens */
--pe-teal-50: var(--pe-color-primary-50);
--pe-teal-100: var(--pe-color-primary-100);
--pe-teal-200: var(--pe-color-primary-200);
--pe-teal-300: var(--pe-color-primary-300);
--pe-teal-400: var(--pe-color-primary-400);
--pe-teal-500: var(--pe-color-primary-500);
--pe-teal-600: var(--pe-color-primary-600);
--pe-teal-700: var(--pe-color-primary-700);
--pe-teal-800: var(--pe-color-primary-800);
--pe-teal-900: var(--pe-color-primary-900);

/* Gray palette — sourced from design-system tokens */
--pe-gray-50: var(--pe-color-gray-50);
--pe-gray-100: var(--pe-color-gray-100);
--pe-gray-200: var(--pe-color-gray-200);
--pe-gray-300: var(--pe-color-gray-300);
--pe-gray-400: var(--pe-color-gray-400);
--pe-gray-500: var(--pe-color-gray-500);
--pe-gray-600: var(--pe-color-gray-600);
--pe-gray-700: var(--pe-color-gray-700);
--pe-gray-800: var(--pe-color-gray-800);
--pe-gray-900: var(--pe-color-gray-900);

/* Semantic */
--pe-text-primary: var(--pe-gray-800);
--pe-text-secondary: var(--pe-gray-600);
--pe-text-muted: var(--pe-gray-500);
--pe-background: var(--pe-gray-50);
--pe-surface: #ffffff;
--pe-border: var(--pe-gray-200);
--pe-accent: var(--pe-teal-500);
--pe-text-primary: var(--pe-color-gray-800);
--pe-text-secondary: var(--pe-color-gray-600);
--pe-text-muted: var(--pe-color-gray-500);
--pe-background: var(--pe-color-gray-50);
--pe-surface: var(--pe-color-bg-primary);
--pe-border: var(--pe-color-border-light);
--pe-accent: var(--pe-color-primary-500);

/* Font */
--pe-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
--pe-font-mono: "JetBrains Mono", "SF Mono", "Monaco", monospace;
--pe-font-family: var(--pe-font-family-primary);
--pe-font-mono: var(--pe-font-family-mono);

/* Shadows */
--pe-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
Expand Down Expand Up @@ -256,7 +282,7 @@
}

.change-negative {
color: #EF4444;
color: var(--pe-color-error);
font-weight: 600;
}

Expand Down Expand Up @@ -598,7 +624,7 @@
left: 50%;
transform: translateX(-50%);
background: var(--pe-gray-800);
color: #fff;
color: var(--pe-color-text-inverse);
font-size: 0.72rem;
font-weight: 400;
padding: 6px 10px;
Expand Down Expand Up @@ -688,7 +714,7 @@
padding: 10px 24px;
font-size: 0.9rem;
font-weight: 600;
color: #fff;
color: var(--pe-color-text-inverse);
background: var(--pe-teal-500);
border: none;
border-radius: 8px;
Expand Down Expand Up @@ -835,8 +861,8 @@

.api-error {
padding: 12px 16px;
background: #fef2f2;
border-left: 4px solid #EF4444;
background: var(--pe-color-error-bg, #fef2f2);
border-left: 4px solid var(--pe-color-error);
color: var(--pe-gray-900);
font-size: 0.95rem;
margin-bottom: 16px;
Expand Down Expand Up @@ -886,8 +912,8 @@
}

.impact-headline.negative {
background: #fef2f2;
border: 1px solid #fecaca;
background: var(--pe-color-error-bg, #fef2f2);
border: 1px solid var(--pe-color-error-border, #fecaca);
}

.impact-headline.neutral {
Expand All @@ -907,8 +933,8 @@
font-size: 1.5rem;
}

.impact-amount.positive { color: #059669; }
.impact-amount.negative { color: #dc2626; }
.impact-amount.positive { color: var(--pe-color-success); }
.impact-amount.negative { color: var(--pe-color-error); }
.impact-amount.neutral { color: var(--pe-gray-500); }

/* --- Decomposition breakdown --- */
Expand All @@ -920,81 +946,70 @@
margin-bottom: 32px;
}

.decomp-header {
.decomp-rows {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
}

.decomp-table {
width: 100%;
border-collapse: collapse;
font-size: 0.85rem;
}

.decomp-table th {
text-align: right;
font-weight: 500;
color: var(--pe-gray-500);
padding: 0 8px 8px;
font-size: 0.8rem;
border-bottom: 1px solid var(--pe-gray-200);
}

.decomp-table th:first-child {
text-align: left;
flex-direction: column;
gap: 10px;
}

.decomp-table td {
padding: 8px;
.decomp-row {
display: grid;
grid-template-columns: 140px 1fr 80px;
align-items: center;
gap: 12px;
}

.decomp-table-label {
.decomp-label {
font-size: 0.85rem;
color: var(--pe-gray-600);
white-space: nowrap;
display: flex;
align-items: center;
gap: 8px;
}

.decomp-color-dot {
width: 10px;
height: 10px;
border-radius: 2px;
display: inline-block;
flex-shrink: 0;
.decomp-bar-track {
position: relative;
height: 18px;
background: var(--pe-gray-50);
border-radius: 4px;
overflow: hidden;
}

.decomp-table-value {
text-align: right;
color: var(--pe-gray-600);
font-variant-numeric: tabular-nums;
.decomp-bar-fill {
position: absolute;
top: 2px;
height: 14px;
border-radius: 3px;
opacity: 0.75;
transition: width 0.3s ease;
}

.decomp-table-change {
text-align: right;
font-weight: 600;
font-variant-numeric: tabular-nums;
.decomp-bar-zero {
position: absolute;
left: 50%;
top: 0;
bottom: 0;
width: 1px;
background: var(--pe-gray-300);
}

.decomp-table-change.positive { color: #059669; }
.decomp-table-change.negative { color: #dc2626; }
.decomp-table-change.zero { color: var(--pe-gray-400); }

.decomp-table-net-row td {
border-top: 1px solid var(--pe-gray-200);
padding-top: 10px;
.decomp-value {
font-size: 0.85rem;
font-weight: 600;
text-align: right;
font-variant-numeric: tabular-nums;
}

.decomp-table-purchasing-row td {
padding-top: 12px;
border-top: 1px dashed var(--pe-gray-200);
}
.decomp-value.positive { color: var(--pe-color-success); }
.decomp-value.negative { color: var(--pe-color-error); }
.decomp-value.zero { color: var(--pe-gray-400); }

.decomp-table-total-row td {
border-top: 1px solid var(--pe-gray-300);
.decomp-total-row {
display: grid;
grid-template-columns: 140px 1fr 80px;
align-items: center;
gap: 12px;
margin-top: 6px;
padding-top: 10px;
border-top: 1px solid var(--pe-gray-200);
}

/* --- Impact table --- */
Expand Down Expand Up @@ -1058,14 +1073,14 @@
padding-bottom: 14px;
}

.impact-positive { color: #059669 !important; font-weight: 600; }
.impact-negative { color: #dc2626 !important; font-weight: 600; }
.impact-positive { color: var(--pe-color-success) !important; font-weight: 600; }
.impact-negative { color: var(--pe-color-error) !important; font-weight: 600; }
.impact-neutral { color: var(--pe-gray-400) !important; }

/* --- Group/expandable rows --- */

.group-header-row { cursor: pointer; }
.group-header-row:hover td { background: #e8edf2; }
.group-header-row:hover td { background: var(--pe-color-gray-200); }

.group-header-row td {
padding: 10px 20px 6px;
Expand Down Expand Up @@ -1262,12 +1277,12 @@
align-items: flex-start;
gap: 8px;
padding: 10px 14px;
background: #fffbeb;
border: 1px solid #fde68a;
background: var(--pe-color-warning-bg, #fffbeb);
border: 1px solid var(--pe-color-warning-border, #fde68a);
border-radius: 8px;
font-size: 0.8rem;
line-height: 1.4;
color: #92400e;
color: var(--pe-color-text-warning);
margin-top: 14px;
}

Expand Down
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