improvement: badge & card components colour pallete updated so their text become more readable in light mode.

frontend/src/components/ui/appointments/AppointmentScheduleGrid.tsx

@@ -3,7 +3,10 @@
 import { Trash2 } from 'lucide-react';
 import type { AppointmentColumnProvider, AppointmentRecord } from '@/types/appointment';
 import { formatHourLabel } from '@/lib/appointmentTime';
-import { purposeDeleteIconClass, purposeStyle } from '@/components/ui/appointments/appointmentPurposeStyles';
+import {
+  purposeDeleteIconClass,
+  purposeStyle,
+} from '@/components/ui/appointments/appointmentPurposeStyles';
 
 const HOUR_PX = 40;
 const HOURS = Array.from({ length: 24 }, (_, i) => i);
@@ -133,7 +136,7 @@ export function AppointmentScheduleGrid({
                         {canDelete && onDeleteAppointment && (
                           <button
                             type="button"
-                            className="group pointer-events-auto shrink-0 self-center z-20 mr-2 ml-1 inline-flex cursor-pointer items-center justify-center rounded-[var(--radius-sm)] border-0 bg-transparent p-1 outline-none focus-visible:ring-2 focus-visible:ring-primary/35"
+                            className="group pointer-events-auto shrink-0 self-center z-20 mr-0.5 ml-0.5 inline-flex cursor-pointer items-center justify-center rounded-[var(--radius-sm)] bg-transparent p-1 outline-none focus-visible:ring-2 focus-visible:ring-primary/35"
                             aria-label="Delete appointment"
                             title="Delete appointment"
                             onClick={(e) => {

frontend/src/components/ui/appointments/appointmentPurposeStyles.ts

@@ -10,11 +10,12 @@ export const APPOINTMENT_PURPOSE_LABEL: Record<AppointmentPurpose, string> = {
 
 /** Background + border for blocks / legend (matches reference palette). */
 export const APPOINTMENT_PURPOSE_STYLES: Record<AppointmentPurpose, string> = {
-  consultation: 'bg-violet-500/25 border-violet-400/50 text-violet-100',
-  filling: 'bg-orange-500/25 border-orange-400/50 text-orange-100',
-  endo: 'bg-red-500/25 border-red-400/50 text-red-100',
-  visit: 'bg-sky-500/25 border-sky-400/50 text-sky-100',
-  hygiene: 'bg-lime-500/20 border-lime-400/45 text-lime-100',
+  consultation:
+    'bg-purpose-consultation-bg border-purpose-consultation-border text-purpose-consultation-fg',
+  filling: 'bg-purpose-filling-bg border-purpose-filling-border text-purpose-filling-fg',
+  endo: 'bg-purpose-endo-bg border-purpose-endo-border text-purpose-endo-fg',
+  visit: 'bg-purpose-visit-bg border-purpose-visit-border text-purpose-visit-fg',
+  hygiene: 'bg-purpose-hygiene-bg border-purpose-hygiene-border text-purpose-hygiene-fg',
 };
 
 export function purposeStyle(purpose: string): string {
@@ -26,13 +27,13 @@ export function purposeStyle(purpose: string): string {
 export function purposeDeleteIconClass(purpose: string): string {
   const p = purpose as AppointmentPurpose;
   const map: Record<AppointmentPurpose, string> = {
-    consultation: '!text-violet-400 group-hover:!text-violet-300',
-    filling: '!text-orange-400 group-hover:!text-orange-300',
-    endo: '!text-red-400 group-hover:!text-red-300',
-    visit: '!text-sky-400 group-hover:!text-sky-300',
-    hygiene: '!text-lime-600 group-hover:!text-lime-500',
+    consultation: '!text-purpose-consultation-fg',
+    filling: '!text-purpose-filling-fg',
+    endo: '!text-purpose-endo-fg',
+    visit: '!text-purpose-visit-fg',
+    hygiene: '!text-purpose-hygiene-fg',
   };
-  return map[p] ?? '!text-text-muted group-hover:!text-text-secondary';
+  return map[p] ?? '!text-text-muted';
 }
 
 /** Small swatch for legend (background + border only). */

frontend/src/components/ui/common/Badge.tsx

@@ -14,10 +14,10 @@ interface BadgeProps {
 }
 
 const variantStyles: Record<BadgeVariant, string> = {
-  success: 'bg-emerald-900/30 text-emerald-300 border-emerald-700/60',
-  warning: 'bg-amber-900/30 text-amber-300 border-amber-700/60',
-  danger: 'bg-red-950/30 text-red-300 border-red-700/60',
-  default: 'bg-background-secondary text-text-secondary border-border',
+  success: 'bg-badge-success-bg text-badge-success-fg border-badge-success-border',
+  warning: 'bg-badge-warning-bg text-badge-warning-fg border-badge-warning-border',
+  danger: 'bg-badge-danger-bg text-badge-danger-fg border-badge-danger-border',
+  default: 'bg-badge-default-bg text-badge-default-fg border-badge-default-border',
 };
 
 /** Explicit width + height so every row matches; flex centers label optically. */

frontend/src/components/ui/common/Card.tsx

@@ -0,0 +1,36 @@
+import type { ElementType, ReactNode } from 'react';
+
+type CardPadding = 'none' | 'sm' | 'md' | 'lg';
+
+type CardProps<T extends ElementType = 'div'> = {
+  children: ReactNode;
+  padding?: CardPadding;
+  as?: T;
+  className?: string;
+} & Omit<React.ComponentPropsWithoutRef<T>, 'as' | 'children' | 'className'>;
+
+const paddingClassMap: Record<CardPadding, string> = {
+  none: '',
+  sm: 'p-3',
+  md: 'p-4',
+  lg: 'p-6',
+};
+
+export function Card<T extends ElementType = 'div'>({
+  children,
+  as,
+  className = '',
+  padding = 'md',
+  ...props
+}: CardProps<T>) {
+  const Component = as ?? 'div';
+
+  return (
+    <Component
+      className={`rounded-[var(--radius-lg)] border border-card-border bg-card text-card-foreground ${paddingClassMap[padding]} ${className}`}
+      {...props}
+    >
+      {children}
+    </Component>
+  );
+}

frontend/src/components/ui/treatment/AppointmentsStrip.tsx

@@ -2,6 +2,7 @@
 
 import { CalendarDays } from 'lucide-react';
 import { purposeStyle } from '@/components/ui/appointments/appointmentPurposeStyles';
+import { Card } from '@/components/ui/common/Card';
 import { ScheduleDayPicker } from '@/components/ui/common/ScheduleDayPicker';
 import { startOfLocalDay } from '@/lib/appointmentTime';
 import type { TreatmentAppointment } from '@/types/treatment';
@@ -32,7 +33,7 @@ export function AppointmentsStrip({
 }: AppointmentsStripProps) {
   if (stripHidden) {
     return (
-      <div className="surface-card p-3 flex items-center justify-between gap-3 flex-wrap">
+      <Card className="flex items-center justify-between gap-3 flex-wrap" padding="sm">
         <p className="text-sm text-text-secondary">Appointments are hidden.</p>
         <button
           type="button"
@@ -41,12 +42,12 @@ export function AppointmentsStrip({
         >
           Show appointments
         </button>
-      </div>
+      </Card>
     );
   }
 
   return (
-    <div className="surface-card p-4 space-y-4">
+    <Card className="space-y-4">
       <div className="flex items-center justify-between gap-3 flex-wrap">
         <div className="flex items-center gap-2 min-w-0">
           <CalendarDays className="w-5 h-5 text-text-muted shrink-0 icon-flat" aria-hidden />
@@ -89,12 +90,14 @@ export function AppointmentsStrip({
           })}`;
           const palette = purposeStyle(a.purpose);
           return (
-            <button
+            <Card
+              as="button"
               key={a.id}
               type="button"
               onClick={() => onSelectAppointment(a.id)}
+              padding="none"
               className={`
-                text-left rounded-[var(--radius-sm)] border px-3 py-2 min-w-[200px] max-w-[280px] transition-shadow min-h-[52px]
+                text-left rounded-[var(--radius-sm)] px-3 py-2 min-w-[200px] max-w-[280px] transition-shadow min-h-[52px]
                 focus:outline-none focus-visible:ring-2 focus-visible:ring-primary/45
                 ${palette}
                 ${sel ? 'ring-2 ring-primary ring-offset-2 ring-offset-background-secondary shadow-[inset_0_1px_0_rgba(255,255,255,0.06)]' : 'hover:brightness-110'}
@@ -105,10 +108,10 @@ export function AppointmentsStrip({
                 {a.patientFirstName} {a.patientLastName}
               </p>
               <p className="text-[11px] opacity-90 capitalize mt-0.5">{a.purpose}</p>
-            </button>
+            </Card>
           );
         })}
       </div>
-    </div>
+    </Card>
   );
 }