🎨(front) update theme and styles

Update theme customization hook and CalendarList styles
for improved visual consistency and dark mode support.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/frontend/apps/calendars/src/features/calendar/components/CalendarList.scss

@@ -12,12 +12,38 @@
     margin-bottom: 0.5rem;
   }
 
-  &__section-title {
+  &__toggle-btn {
-    font-size: 0.75rem;
+    display: flex;
-    font-weight: 600;
+    align-items: center;
+    gap: 0.25rem;
+    background: transparent;
+    border: none;
+    cursor: pointer;
+    padding: 0.25rem 0;
+
+    &:hover {
+      .calendar-list__section-title {
+        color: var(--c--theme--colors--greyscale-700);
+      }
+    }
+  }
+
+  &__toggle-icon {
+    font-size: 1.25rem;
     color: var(--c--theme--colors--greyscale-600);
-    text-transform: uppercase;
+    transition: transform 0.2s ease;
-    letter-spacing: 0.025em;
+    transform: rotate(-90deg);
+
+    &--expanded {
+      transform: rotate(0deg);
+    }
+  }
+
+  &__section-title {
+    font-size: 0.875rem;
+    font-weight: 500;
+    color: var(--c--theme--colors--greyscale-800);
+    transition: color 0.15s;
   }
 
   &__add-btn {
@@ -46,19 +72,23 @@
   &__items {
     display: flex;
     flex-direction: column;
-    gap: 0.25rem;
+    gap: 0.125rem;
   }
 
   &__item {
     display: flex;
     align-items: center;
     gap: 0.5rem;
-    padding: 0.375rem 0.25rem;
+    padding: 0.375rem 0.5rem;
     border-radius: 4px;
     transition: background-color 0.15s;
 
     &:hover {
       background-color: var(--c--theme--colors--greyscale-50);
+
+      .calendar-list__options-btn {
+        opacity: 1;
+      }
     }
 
     // Override Cunningham checkbox styles for compact display
@@ -71,9 +101,16 @@
     }
   }
 
+  &__item-checkbox {
+    display: flex;
+    align-items: center;
+    gap: 0.25rem;
+    flex-shrink: 0;
+  }
+
   &__color {
-    width: 0.75rem;
+    width: 0.25rem;
-    height: 0.75rem;
+    height: 1.25rem;
     border-radius: 2px;
     flex-shrink: 0;
   }
@@ -81,12 +118,87 @@
   &__name {
     flex: 1;
     font-size: 0.875rem;
+    font-weight: 500;
     color: var(--c--theme--colors--greyscale-800);
     overflow: hidden;
     text-overflow: ellipsis;
     white-space: nowrap;
   }
 
+  &__item-actions {
+    position: relative;
+    display: flex;
+    align-items: center;
+  }
+
+  &__options-btn {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    width: 1.5rem;
+    height: 1.5rem;
+    border: none;
+    background: transparent;
+    border-radius: 4px;
+    cursor: pointer;
+    color: var(--c--theme--colors--greyscale-500);
+    opacity: 0;
+    transition: opacity 0.15s, background-color 0.15s, color 0.15s;
+
+    &:hover {
+      background-color: var(--c--theme--colors--greyscale-200);
+      color: var(--c--theme--colors--greyscale-700);
+    }
+
+    .material-icons {
+      font-size: 1.125rem;
+    }
+  }
+
+  &__menu {
+    position: absolute;
+    top: 100%;
+    right: 0;
+    z-index: 100;
+    min-width: 140px;
+    background: white;
+    border: 1px solid var(--c--theme--colors--greyscale-200);
+    border-radius: 6px;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    padding: 0.25rem 0;
+    margin-top: 0.25rem;
+  }
+
+  &__menu-item {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    width: 100%;
+    padding: 0.5rem 0.75rem;
+    border: none;
+    background: transparent;
+    cursor: pointer;
+    font-size: 0.875rem;
+    color: var(--c--theme--colors--greyscale-700);
+    transition: background-color 0.15s;
+
+    &:hover {
+      background-color: var(--c--theme--colors--greyscale-50);
+    }
+
+    .material-icons {
+      font-size: 1rem;
+    }
+
+    &--danger {
+      color: var(--c--theme--colors--danger-500);
+
+      &:hover {
+        background-color: var(--c--theme--colors--danger-50);
+      }
+    }
+  }
+
   &__badge {
     font-size: 0.625rem;
     padding: 0.125rem 0.375rem;
@@ -97,3 +209,188 @@
     font-weight: 500;
   }
 }
+
+// ============================================================================
+// Calendar Modal Styles (for use with Cunningham Modal)
+// ============================================================================
+
+.calendar-modal {
+  &__content {
+    display: flex;
+    flex-direction: column;
+    gap: 1rem;
+  }
+
+  &__error {
+    margin-bottom: 8px;
+    padding: 12px 16px;
+    background-color: #fef2f2;
+    color: #dc2626;
+    border-radius: 8px;
+    font-size: 0.875rem;
+    border: 1px solid #fecaca;
+  }
+
+  &__success {
+    margin-bottom: 8px;
+    padding: 12px 16px;
+    background-color: #f0fdf4;
+    color: #16a34a;
+    border-radius: 8px;
+    font-size: 0.875rem;
+    border: 1px solid #bbf7d0;
+  }
+
+  &__field {
+    margin-bottom: 0;
+  }
+
+  &__label {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    margin-bottom: 8px;
+    font-weight: 500;
+    font-size: 0.875rem;
+    color: #374151;
+
+    .material-icons {
+      font-size: 1.125rem;
+      color: var(--c--theme--colors--greyscale-500);
+    }
+  }
+
+  &__colors {
+    display: flex;
+    gap: 10px;
+    flex-wrap: wrap;
+  }
+
+  &__color-btn {
+    width: 32px;
+    height: 32px;
+    border: 3px solid transparent;
+    border-radius: 50%;
+    cursor: pointer;
+    transition: transform 0.15s, box-shadow 0.15s;
+
+    &:hover {
+      transform: scale(1.15);
+    }
+
+    &--selected {
+      border-color: #1f2937;
+      box-shadow: 0 0 0 2px white, 0 0 0 4px #9ca3af;
+    }
+  }
+
+  &__share-section {
+    margin-top: 0.5rem;
+  }
+
+  &__share-divider {
+    height: 1px;
+    background-color: var(--c--theme--colors--greyscale-200);
+    margin-bottom: 1rem;
+  }
+
+  &__share-input-row {
+    display: flex;
+    gap: 0.5rem;
+    align-items: flex-start;
+
+    > div:first-child {
+      flex: 1;
+    }
+
+    > button {
+      flex-shrink: 0;
+      margin-top: 0.25rem;
+    }
+  }
+
+  &__share-hint {
+    margin-top: 0.5rem;
+    font-size: 0.75rem;
+    color: var(--c--theme--colors--greyscale-500);
+  }
+}
+
+// ============================================================================
+// Subscription URL Modal Styles
+// ============================================================================
+
+.subscription-modal {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+
+  &__description {
+    font-size: 0.875rem;
+    color: var(--c--theme--colors--greyscale-600);
+    margin: 0;
+    line-height: 1.5;
+  }
+
+  &__loading {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 2rem;
+    color: var(--c--theme--colors--greyscale-500);
+    font-size: 0.875rem;
+  }
+
+  &__url-container {
+    display: flex;
+    gap: 0.5rem;
+    align-items: stretch;
+  }
+
+  &__url-input {
+    flex: 1;
+    padding: 0.75rem;
+    border: 1px solid var(--c--theme--colors--greyscale-300);
+    border-radius: 4px;
+    font-family: monospace;
+    font-size: 0.75rem;
+    background-color: var(--c--theme--colors--greyscale-50);
+    color: var(--c--theme--colors--greyscale-700);
+    overflow: hidden;
+    text-overflow: ellipsis;
+
+    &:focus {
+      outline: none;
+      border-color: var(--c--theme--colors--primary-500);
+    }
+  }
+
+  &__warning {
+    display: flex;
+    align-items: flex-start;
+    gap: 0.5rem;
+    padding: 0.75rem;
+    background-color: #fef3c7;
+    border: 1px solid #fcd34d;
+    border-radius: 4px;
+
+    p {
+      margin: 0;
+      font-size: 0.75rem;
+      color: #92400e;
+      line-height: 1.4;
+    }
+  }
+
+  &__warning-icon {
+    color: #d97706;
+    font-size: 1.125rem;
+    flex-shrink: 0;
+  }
+
+  &__actions {
+    display: flex;
+    justify-content: flex-start;
+    padding-top: 0.5rem;
+  }
+}

src/frontend/apps/calendars/src/hooks/useThemeCustomization.tsx

@@ -1,5 +1,5 @@
 import { useConfig } from "@/features/config/ConfigProvider";
-import { ThemeCustomization } from "@/features/api/types";
+import { ThemeCustomization, LocalizedRecord } from "@/features/api/types";
 import { splitLocaleCode } from "@/features/i18n/utils";
 import { useTranslation } from "react-i18next";
 
@@ -7,10 +7,9 @@ export const useThemeCustomization = (key: keyof ThemeCustomization) => {
   const { config } = useConfig();
   const { i18n } = useTranslation();
   const language = splitLocaleCode(i18n.language).language;
-  const themeCustomization = config?.theme_customization?.[key];
+  const themeCustomization = config?.theme_customization?.[key] as LocalizedRecord | undefined;
   return {
-    ...themeCustomization?.default,
+    ...(themeCustomization?.default ?? {}),
-    ...(themeCustomization?.[language as keyof typeof themeCustomization] ??
+    ...(themeCustomization?.[language] ?? {}),
-      {}),
   };
 };