Feat: Icons and Typography

Frontend/src/styles/base/_fonts.scss

@@ -1,6 +1,11 @@
 /* Path: Frontend/src/styles/base/_fonts.scss */
 
 :root {
-  --font-family-sans: "Inter", "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
-  --font-family-mono: "Geist Mono", "SFMono-Regular", ui-monospace, "Cascadia Code", "Roboto Mono", monospace;
+  --font-family-sans:
+    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
+  --font-family-heading: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
+  --font-family-display: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
+  --font-family-serif: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
+  --font-family-mono:
+    ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
 }

Frontend/src/styles/base/_globals.scss

@@ -6,6 +6,7 @@ html {
   background: var(--color-canvas);
   color: var(--color-text);
   font-family: var(--font-family-sans);
+  font-synthesis: none;
   scroll-behavior: smooth;
   transition:
     background-color var(--motion-duration-base) var(--motion-ease-standard),
@@ -15,6 +16,8 @@ html {
 body {
   background: var(--color-canvas);
   color: var(--color-text);
+  font-family: var(--font-family-sans);
+  @include text-body;
 }
 
 a,
@@ -50,30 +53,48 @@ a {
 }
 
 h1 {
+  font-family: var(--font-family-display);
+  text-wrap: balance;
   @include text-display;
 }
 
 h2 {
+  font-family: var(--font-family-heading);
+  text-wrap: balance;
   @include text-heading;
 }
 
 h3 {
+  font-family: var(--font-family-heading);
+  text-wrap: balance;
   @include text-title;
 }
 
 h4,
 h5,
 h6 {
+  font-family: var(--font-family-heading);
+  text-wrap: balance;
   @include text-label;
 }
 
 p,
-span,
+li,
+blockquote,
+figcaption {
+  text-wrap: pretty;
+  @include text-body;
+}
+
+label,
+legend {
+  @include text-label;
+}
+
 button,
 input,
 textarea,
-label,
-li {
+select {
   @include text-body;
 }
 
@@ -82,6 +103,7 @@ pre,
 kbd,
 samp {
   font-family: var(--font-family-mono);
+  font-size: 0.95em;
 }
 
 #app {

Frontend/src/styles/themes/_tokens.scss

@@ -51,4 +51,35 @@
   --motion-duration-base: 220ms;
   --motion-duration-slow: 320ms;
   --motion-ease-standard: cubic-bezier(0.2, 0.8, 0.2, 1);
+
+  // Typography
+  // ============================
+
+  --font-size-caption: 0.75rem;
+  --font-size-label: 0.875rem;
+  --font-size-body: 1rem;
+  --font-size-title: clamp(1.125rem, 1.05rem + 0.3vw, 1.25rem);
+  --font-size-heading: clamp(1.5rem, 1.2rem + 1vw, 2.125rem);
+  --font-size-display: clamp(2.25rem, 1.7rem + 2.2vw, 3.75rem);
+
+  --line-height-caption: 1.4;
+  --line-height-label: 1.35;
+  --line-height-body: 1.55;
+  --line-height-title: 1.3;
+  --line-height-heading: 1.15;
+  --line-height-display: 1.05;
+
+  --font-weight-caption: 500;
+  --font-weight-label: 600;
+  --font-weight-body: 400;
+  --font-weight-title: 600;
+  --font-weight-heading: 600;
+  --font-weight-display: 700;
+
+  --letter-spacing-caption: 0.01em;
+  --letter-spacing-label: 0.005em;
+  --letter-spacing-body: 0;
+  --letter-spacing-title: -0.01em;
+  --letter-spacing-heading: -0.02em;
+  --letter-spacing-display: -0.03em;
 }

Frontend/src/styles/tools/_mixins.scss

@@ -19,37 +19,43 @@
 }
 
 @mixin text-caption {
-  font-size: clamp(0.75rem, 0.72rem + 0.12vw, 0.875rem);
-  font-weight: 500;
-  line-height: 1.4;
+  font-size: var(--font-size-caption);
+  font-weight: var(--font-weight-caption);
+  line-height: var(--line-height-caption);
+  letter-spacing: var(--letter-spacing-caption);
 }
 
 @mixin text-label {
-  font-size: clamp(0.875rem, 0.84rem + 0.15vw, 1rem);
-  font-weight: 600;
-  line-height: 1.4;
+  font-size: var(--font-size-label);
+  font-weight: var(--font-weight-label);
+  line-height: var(--line-height-label);
+  letter-spacing: var(--letter-spacing-label);
 }
 
 @mixin text-body {
-  font-size: clamp(0.95rem, 0.92rem + 0.18vw, 1.05rem);
-  font-weight: 400;
-  line-height: 1.6;
+  font-size: var(--font-size-body);
+  font-weight: var(--font-weight-body);
+  line-height: var(--line-height-body);
+  letter-spacing: var(--letter-spacing-body);
 }
 
 @mixin text-title {
-  font-size: clamp(1.1rem, 1rem + 0.4vw, 1.35rem);
-  font-weight: 600;
-  line-height: 1.25;
+  font-size: var(--font-size-title);
+  font-weight: var(--font-weight-title);
+  line-height: var(--line-height-title);
+  letter-spacing: var(--letter-spacing-title);
 }
 
 @mixin text-heading {
-  font-size: clamp(1.45rem, 1.2rem + 1vw, 2rem);
-  font-weight: 650;
-  line-height: 1.1;
+  font-size: var(--font-size-heading);
+  font-weight: var(--font-weight-heading);
+  line-height: var(--line-height-heading);
+  letter-spacing: var(--letter-spacing-heading);
 }
 
 @mixin text-display {
-  font-size: clamp(2rem, 1.45rem + 2.1vw, 3.5rem);
-  font-weight: 700;
-  line-height: 1;
+  font-size: var(--font-size-display);
+  font-weight: var(--font-weight-display);
+  line-height: var(--line-height-display);
+  letter-spacing: var(--letter-spacing-display);
 }