Feat/settings page redesign (#104)

* include credentials on login fetch requests, allows set header response

* Add theme composable and utility improvements

- Create useTheme composable for centralized theme management
- Update main.ts to use useTheme for initialization
- Generalize getCookie utility in user module
- Add utility functions for data formatting

* Add Plex integration composables and icons

- Create usePlexAuth composable for Plex OAuth flow
- Create usePlexApi composable for Plex API interactions
- Create useRandomWords composable for password generation
- Add Plex-related icons (IconPlex, IconServer, IconSync)
- Add Plex helper utilities
- Update API with Plex-related endpoints

* Add storage management components for data & privacy section

- Create StorageManager component for browser storage overview
- Create StorageSectionBrowser for localStorage/sessionStorage/cookies
- Create StorageSectionServer for server-side data (mock)
- Create ExportSection for data export functionality
- Refactor DataExport component with modular sections
- Add storage icons (IconCookie, IconDatabase, IconTimer)
- Implement collapsible sections with visual indicators
- Add colored borders per storage type
- Display item counts and total size in headers

* Add theme, password, and security settings components

- Create ThemePreferences with visual theme selector
- Create PasswordGenerator with passphrase and random modes
- Create SecuritySettings wrapper for password management
- Update ChangePassword to work with new layout
- Implement improved slider UX with visual feedback
- Add theme preview cards with gradients
- Standardize component styling and typography

* Add Plex settings and authentication components

- Create PlexSettings component for Plex account management
- Create PlexAuthButton with improved OAuth flow
- Create PlexServerInfo for server details display
- Use icon components instead of inline SVGs
- Add sync and unlink functionality
- Implement user-friendly authentication flow

* Redesign settings page with two-column layout and ProfileHero

- Create ProfileHero component with avatar and user info
- Create RequestHistory component for Plex requests (placeholder)
- Redesign SettingsPage with modern two-column grid layout
- Add shared-settings.scss for consistent styling
- Organize sections: Appearance, Security, Integrations, Data & Privacy
- Implement responsive mobile layout
- Standardize typography (h2: 1.5rem, 700 weight)
- Add compact modifier for tighter sections

src/components/plex/PlexServerInfo.vue

@@ -0,0 +1,127 @@
+<template>
+  <div class="plex-server-info">
+    <div class="plex-details">
+      <div class="detail-row">
+        <span class="detail-label">
+          <IconServer class="label-icon" />
+          Plex server name
+        </span>
+        <span class="detail-value">{{ serverName || "Unknown" }}</span>
+      </div>
+      <div class="detail-row">
+        <span class="detail-label">
+          <IconSync class="label-icon" />
+          Last Sync
+        </span>
+        <span class="detail-value">{{ lastSync || "Never" }}</span>
+      </div>
+    </div>
+
+    <div class="plex-actions">
+      <seasoned-button @click="$emit('sync')" :disabled="syncing">
+        <IconSync v-if="!syncing" class="button-icon" />
+        {{ syncing ? "Syncing..." : "Sync Library" }}
+      </seasoned-button>
+      <seasoned-button @click="$emit('unlink')">
+        Unlink Account
+      </seasoned-button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+  import SeasonedButton from "@/components/ui/SeasonedButton.vue";
+  import IconServer from "@/icons/IconServer.vue";
+  import IconSync from "@/icons/IconSync.vue";
+
+  interface Props {
+    serverName: string;
+    lastSync: string;
+    syncing?: boolean;
+  }
+
+  defineProps<Props>();
+  defineEmits<{
+    sync: [];
+    unlink: [];
+  }>();
+</script>
+
+<style lang="scss" scoped>
+  @import "scss/variables";
+  @import "scss/media-queries";
+
+  .plex-details {
+    display: flex;
+    flex-direction: column;
+    gap: 0.4rem;
+    margin-bottom: 0.85rem;
+  }
+
+  .detail-row {
+    display: flex;
+    justify-content: space-between;
+    padding: 0.55rem 0.65rem;
+    background-color: var(--background-ui);
+    border-radius: 0.25rem;
+
+    @include mobile-only {
+      padding: 0.5rem 0.6rem;
+    }
+  }
+
+  .detail-label {
+    font-size: 0.85rem;
+    font-weight: 500;
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+
+    @include mobile-only {
+      font-size: 0.8rem;
+    }
+
+    svg {
+      color: var(--text-color-60);
+      flex-shrink: 0;
+    }
+
+    .label-icon {
+      width: 16px;
+      height: 16px;
+    }
+  }
+
+  .detail-value {
+    font-size: 0.95rem;
+
+    @include mobile-only {
+      font-size: 0.9rem;
+    }
+  }
+
+  .plex-actions {
+    display: flex;
+    gap: 0.65rem;
+
+    @include mobile-only {
+      flex-direction: column;
+      gap: 0.6rem;
+    }
+
+    button {
+      display: inline-flex;
+      align-items: center;
+      gap: 0.5rem;
+
+      svg {
+        flex-shrink: 0;
+      }
+
+      .button-icon {
+        width: 16px;
+        height: 16px;
+      }
+    }
+  }
+</style>