added liquid glass theme

src/App.css

@@ -1580,6 +1580,12 @@
 .settings-theme-dot-dark {
     background: #1a1a1a;
 }
+.settings-theme-dot-glass {
+    background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(209,250,229,0.7) 50%, rgba(167,243,208,0.5) 100%);
+    border: 2px solid rgba(255, 255, 255, 0.8);
+    backdrop-filter: blur(4px);
+    -webkit-backdrop-filter: blur(4px);
+}
 .settings-theme-dot:hover:not(:disabled) {
     transform: scale(1.15);
 }
@@ -2997,6 +3003,279 @@
     color: #9ca3af;
 }
 
+/* ============================
+   LIQUID GLASS THEME
+   ============================ */
+
+/* -- Pages must be transparent so body background shows through -- */
+[data-theme="liquid-glass"] .home-page,
+[data-theme="liquid-glass"] .history-page,
+[data-theme="liquid-glass"] .settings-page {
+    background: transparent;
+}
+
+/* -- Glass surface applied to all card/surface elements -- */
+[data-theme="liquid-glass"] .journal-card,
+[data-theme="liquid-glass"] .calendar-card,
+[data-theme="liquid-glass"] .entry-card,
+[data-theme="liquid-glass"] .entry-modal,
+[data-theme="liquid-glass"] .confirm-modal,
+[data-theme="liquid-glass"] .settings-profile,
+[data-theme="liquid-glass"] .settings-card,
+[data-theme="liquid-glass"] .settings-tutorial-btn,
+[data-theme="liquid-glass"] .settings-clear-btn,
+[data-theme="liquid-glass"] .settings-signout-btn,
+[data-theme="liquid-glass"] .bottom-nav,
+[data-theme="liquid-glass"] .lp__form {
+    background: var(--glass-bg);
+    backdrop-filter: var(--glass-blur);
+    -webkit-backdrop-filter: var(--glass-blur);
+    border: var(--glass-border);
+    box-shadow: var(--glass-shadow);
+}
+
+/* -- Unified shadow (no individual overrides needed) -- */
+[data-theme="liquid-glass"] .journal-card,
+[data-theme="liquid-glass"] .calendar-card,
+[data-theme="liquid-glass"] .entry-card,
+[data-theme="liquid-glass"] .settings-profile,
+[data-theme="liquid-glass"] .settings-card {
+    box-shadow: var(--glass-shadow);
+}
+
+/* -- Bottom nav glass -- */
+[data-theme="liquid-glass"] .bottom-nav {
+    box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.5), 0 -8px 32px rgba(0, 0, 0, 0.1);
+}
+
+/* -- Text colors — dark & crisp for readability on glass -- */
+[data-theme="liquid-glass"] .journal-prompt,
+[data-theme="liquid-glass"] .settings-header-text h1,
+[data-theme="liquid-glass"] .history-header-text h1,
+[data-theme="liquid-glass"] .settings-profile-name,
+[data-theme="liquid-glass"] .settings-item-title,
+[data-theme="liquid-glass"] .calendar-month,
+[data-theme="liquid-glass"] .entry-title {
+    color: #0f172a;
+}
+
+[data-theme="liquid-glass"] .journal-date {
+    color: #16a34a;
+}
+
+[data-theme="liquid-glass"] .settings-subtitle,
+[data-theme="liquid-glass"] .history-subtitle,
+[data-theme="liquid-glass"] .settings-item-subtitle,
+[data-theme="liquid-glass"] .settings-section-title,
+[data-theme="liquid-glass"] .entry-preview,
+[data-theme="liquid-glass"] .entry-date,
+[data-theme="liquid-glass"] .entry-time,
+[data-theme="liquid-glass"] .recent-entries-title,
+[data-theme="liquid-glass"] .calendar-weekday {
+    color: #334155;
+}
+
+[data-theme="liquid-glass"] .journal-title-input,
+[data-theme="liquid-glass"] .journal-entry-textarea {
+    color: #1e293b;
+}
+
+[data-theme="liquid-glass"] .journal-title-input::placeholder,
+[data-theme="liquid-glass"] .journal-entry-textarea::placeholder {
+    color: rgba(30, 41, 59, 0.45);
+}
+
+[data-theme="liquid-glass"] .journal-title-input {
+    border-bottom-color: rgba(255, 255, 255, 0.4);
+}
+
+[data-theme="liquid-glass"] .journal-title-input:focus {
+    border-bottom-color: #16a34a;
+}
+
+/* -- Settings buttons text -- */
+[data-theme="liquid-glass"] .settings-tutorial-btn {
+    color: #0f172a;
+}
+
+[data-theme="liquid-glass"] .settings-clear-btn {
+    color: #b91c1c;
+}
+
+[data-theme="liquid-glass"] .settings-signout-btn {
+    color: #475569;
+}
+
+/* -- Settings buttons hover -- */
+[data-theme="liquid-glass"] .settings-tutorial-btn:hover {
+    background: rgba(255, 255, 255, 0.35);
+}
+[data-theme="liquid-glass"] .settings-clear-btn:hover {
+    background: rgba(254, 202, 202, 0.35);
+}
+[data-theme="liquid-glass"] .settings-signout-btn:hover {
+    background: rgba(255, 255, 255, 0.3);
+    color: #1e293b;
+}
+
+/* -- Settings item hover -- */
+[data-theme="liquid-glass"] .settings-item-button:hover {
+    background: rgba(255, 255, 255, 0.28);
+}
+
+/* -- Settings divider -- */
+[data-theme="liquid-glass"] .settings-divider {
+    background: rgba(255, 255, 255, 0.45);
+}
+
+/* -- Settings theme dot -- */
+[data-theme="liquid-glass"] .settings-theme-dot {
+    border-color: rgba(0, 0, 0, 0.12);
+}
+[data-theme="liquid-glass"] .settings-theme-dot-active {
+    border-color: #16a34a;
+    box-shadow: 0 0 0 2px #16a34a;
+}
+
+/* -- Settings icon backgrounds -- */
+[data-theme="liquid-glass"] .settings-item-icon-green {
+    background: rgba(34, 197, 94, 0.2);
+    color: #15803d;
+}
+[data-theme="liquid-glass"] .settings-item-icon-gray {
+    background: rgba(100, 116, 139, 0.18);
+    color: #475569;
+}
+[data-theme="liquid-glass"] .settings-item-icon-orange {
+    background: rgba(251, 146, 60, 0.2);
+    color: #c2410c;
+}
+[data-theme="liquid-glass"] .settings-item-icon-blue {
+    background: rgba(59, 130, 246, 0.18);
+    color: #1d4ed8;
+}
+[data-theme="liquid-glass"] .settings-item-icon-purple {
+    background: rgba(139, 92, 246, 0.18);
+    color: #6d28d9;
+}
+
+/* -- Settings misc -- */
+[data-theme="liquid-glass"] .settings-toggle-slider {
+    background: rgba(0, 0, 0, 0.2);
+}
+[data-theme="liquid-glass"] .settings-toggle input:checked + .settings-toggle-slider {
+    background: #16a34a;
+}
+[data-theme="liquid-glass"] .settings-item-arrow {
+    color: #334155;
+}
+[data-theme="liquid-glass"] .settings-enc {
+    color: rgba(15, 23, 42, 0.45);
+}
+[data-theme="liquid-glass"] .settings-edit-btn {
+    background: rgba(34, 197, 94, 0.2);
+    color: #15803d;
+}
+
+/* -- Calendar -- */
+[data-theme="liquid-glass"] .calendar-day {
+    color: #334155;
+}
+[data-theme="liquid-glass"] .calendar-day:not(.calendar-day-empty):hover {
+    background: rgba(255, 255, 255, 0.4);
+    color: #0f172a;
+}
+[data-theme="liquid-glass"] .calendar-day-has-entry {
+    background: rgba(34, 197, 94, 0.22);
+    color: #15803d;
+}
+[data-theme="liquid-glass"] .calendar-day-today {
+    background: #16a34a;
+    color: #fff;
+}
+[data-theme="liquid-glass"] .calendar-nav-btn:hover {
+    background: rgba(255, 255, 255, 0.35);
+    color: #0f172a;
+}
+
+/* -- Entry card -- */
+[data-theme="liquid-glass"] .entry-card {
+    border-left-color: rgba(22, 163, 74, 0.5);
+}
+[data-theme="liquid-glass"] .entry-card:hover {
+    background: rgba(255, 255, 255, 0.28);
+    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.14), 0 1px 0 rgba(255, 255, 255, 0.7) inset;
+}
+
+/* -- Entry modal -- */
+[data-theme="liquid-glass"] .entry-modal {
+    border-top-color: #16a34a;
+}
+[data-theme="liquid-glass"] .entry-modal-title {
+    color: #0f172a;
+}
+[data-theme="liquid-glass"] .entry-modal-content {
+    color: #1e293b;
+}
+[data-theme="liquid-glass"] .entry-modal-date,
+[data-theme="liquid-glass"] .entry-modal-time {
+    color: #475569;
+}
+[data-theme="liquid-glass"] .entry-modal-badge {
+    background: rgba(34, 197, 94, 0.2);
+    color: #15803d;
+}
+[data-theme="liquid-glass"] .entry-modal-close {
+    background: rgba(255, 255, 255, 0.35);
+    color: #475569;
+}
+[data-theme="liquid-glass"] .entry-modal-close:hover {
+    background: rgba(255, 255, 255, 0.5);
+    color: #0f172a;
+}
+
+/* -- Confirm/modal overlays -- */
+[data-theme="liquid-glass"] .confirm-modal-overlay,
+[data-theme="liquid-glass"] .entry-modal-overlay {
+    background: rgba(15, 23, 42, 0.2);
+    backdrop-filter: blur(6px);
+    -webkit-backdrop-filter: blur(6px);
+}
+
+/* -- Bottom nav -- */
+[data-theme="liquid-glass"] .bottom-nav-btn {
+    color: #475569;
+}
+[data-theme="liquid-glass"] .bottom-nav-btn:hover {
+    color: #15803d;
+    background: rgba(255, 255, 255, 0.3);
+}
+[data-theme="liquid-glass"] .bottom-nav-btn-active {
+    background: #16a34a;
+    color: #fff;
+}
+
+/* -- Write button -- */
+[data-theme="liquid-glass"] .journal-write-btn {
+    background: #16a34a;
+    box-shadow: 0 4px 16px rgba(22, 163, 74, 0.35);
+}
+[data-theme="liquid-glass"] .journal-write-btn:hover:not(:disabled) {
+    background: #15803d;
+    box-shadow: 0 6px 24px rgba(22, 163, 74, 0.45);
+}
+
+/* -- Desktop sidebar nav glass -- */
+@media (min-width: 860px) {
+    [data-theme="liquid-glass"] .bottom-nav {
+        background: var(--glass-bg);
+        border-right-color: rgba(255, 255, 255, 0.4);
+    }
+    [data-theme="liquid-glass"] .bottom-nav-brand {
+        border-bottom-color: rgba(255, 255, 255, 0.4);
+    }
+}
+
 [data-theme="dark"] .clock-picker__mode-btn--active {
     background: #4ade80;
     border-color: #4ade80;

src/index.css

@@ -96,3 +96,28 @@ button:focus-visible {
 [data-theme="dark"] body {
     background: #0a0a0a;
 }
+
+/* ── Liquid Glass theme root overrides ───────────────────── */
+[data-theme="liquid-glass"] {
+    --glass-bg: rgba(255, 255, 255, 0.18);
+    --glass-blur: blur(28px) saturate(200%) brightness(1.05);
+    --glass-border: 1px solid rgba(255, 255, 255, 0.55);
+    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 1px 0 rgba(255, 255, 255, 0.7) inset;
+    --color-primary: #16a34a;
+    --color-primary-hover: #15803d;
+    --color-bg-soft: transparent;
+    --color-surface: var(--glass-bg);
+    --color-accent-light: rgba(220, 252, 231, 0.4);
+    --color-text: #0f172a;
+    --color-text-muted: #334155;
+    --color-border: rgba(255, 255, 255, 0.4);
+
+    color: var(--color-text);
+    background-color: transparent;
+    caret-color: #16a34a;
+}
+
+/* Same bg as light theme when no custom image is set */
+[data-theme="liquid-glass"] body:not(.gj-has-bg) {
+    background: #eef6ee;
+}

src/main.tsx

@@ -4,6 +4,10 @@ import './index.css'
 import App from './App.tsx'
 import { listenForegroundMessages } from './hooks/useReminder'
 
+// Apply saved theme immediately to avoid flash
+const savedTheme = localStorage.getItem('gj-theme') || 'light'
+document.documentElement.setAttribute('data-theme', savedTheme)
+
 if ('serviceWorker' in navigator) {
   window.addEventListener('load', () => {
     navigator.serviceWorker.register('/sw.js')

src/pages/SettingsPage.tsx

@@ -54,8 +54,8 @@ export default function SettingsPage() {
   const { user, userId, mongoUser, signOut, loading, refreshMongoUser } = useAuth()
   // const [passcodeEnabled, setPasscodeEnabled] = useState(false) // Passcode lock — disabled for now
   // const [faceIdEnabled, setFaceIdEnabled] = useState(false)     // Face ID — disabled for now
-  const [theme, setTheme] = useState<'light' | 'dark'>(() => {
+  const [theme, setTheme] = useState<'light' | 'dark' | 'liquid-glass'>(() => {
-    return (localStorage.getItem('gj-theme') as 'light' | 'dark') || 'light'
+    return (localStorage.getItem('gj-theme') as 'light' | 'dark' | 'liquid-glass') || 'light'
   })
   const [message, setMessage] = useState<{ type: 'success' | 'error'; text: string } | null>(null)
 
@@ -229,7 +229,7 @@ export default function SettingsPage() {
   }
 
   // Apply theme to DOM
-  const applyTheme = useCallback((t: 'light' | 'dark') => {
+  const applyTheme = useCallback((t: 'light' | 'dark' | 'liquid-glass') => {
     document.documentElement.setAttribute('data-theme', t)
     localStorage.setItem('gj-theme', t)
   }, [])
@@ -239,10 +239,11 @@ export default function SettingsPage() {
     applyTheme(theme)
   }, [theme, applyTheme])
 
-  const handleThemeChange = (newTheme: 'light' | 'dark') => {
+  const handleThemeChange = (newTheme: 'light' | 'dark' | 'liquid-glass') => {
     setTheme(newTheme)
     applyTheme(newTheme)
-    setMessage({ type: 'success', text: `Switched to ${newTheme === 'light' ? 'Light' : 'Dark'} theme` })
+    const label = newTheme === 'light' ? 'Light' : newTheme === 'dark' ? 'Dark' : 'Liquid Glass'
+    setMessage({ type: 'success', text: `Switched to ${label} theme` })
     setTimeout(() => setMessage(null), 2000)
   }
 
@@ -560,7 +561,9 @@ export default function SettingsPage() {
               </div>
               <div className="settings-item-content">
                 <h4 className="settings-item-title">Theme</h4>
-                <p className="settings-item-subtitle">Currently: {theme === 'light' ? 'Light' : 'Dark'}</p>
+                <p className="settings-item-subtitle">
+                  Currently: {theme === 'light' ? 'Light' : theme === 'dark' ? 'Dark' : 'Liquid Glass'}
+                </p>
               </div>
               <div className="settings-theme-colors">
                 <button
@@ -575,6 +578,12 @@ export default function SettingsPage() {
                   className={`settings-theme-dot settings-theme-dot-dark${theme === 'dark' ? ' settings-theme-dot-active' : ''}`}
                   title="Dark theme"
                 ></button>
+                <button
+                  type="button"
+                  onClick={() => handleThemeChange('liquid-glass')}
+                  className={`settings-theme-dot settings-theme-dot-glass${theme === 'liquid-glass' ? ' settings-theme-dot-active' : ''}`}
+                  title="Liquid Glass theme"
+                ></button>
               </div>
             </div>
           </div>