add google auth and improve look of new page

.env.example

@@ -0,0 +1,2 @@
+VITE_SUPABASE_URL=
+VITE_SUPABASE_ANON_KEY=

README.md

@@ -1,7 +1,24 @@
 # HabitGrid
 
+
 A modern, grid-based habit tracker app inspired by GitHub contribution graphs. Track your daily habits, visualize progress, and build streaks with a beautiful, responsive UI.
 
+---
+
+<p align="center">
+  <a href="https://github.com/nagaoo0/HabitGrid" target="_blank"><img src="https://img.shields.io/github/stars/nagaoo0/HabitGrid?style=social" alt="GitHub stars"></a>
+  <a href="https://github.com/nagaoo0/HabitGrid" target="_blank"><img src="https://img.shields.io/github/license/nagaoo0/HabitGrid?color=blue" alt="MIT License"></a>
+  <a href="https://git.mihajlociric.com/count0/HabitGrid" target="_blank"><img src="https://img.shields.io/badge/Mirror-git.mihajlociric.com-orange?logo=gitea" alt="Gitea Mirror"></a>
+</p>
+
+---
+
+**Source code:**
+
+- [GitHub Repository](https://github.com/nagaoo0/HabitGrid)
+- [Self-hosted Mirror (Gitea)](https://git.mihajlociric.com/count0/HabitGrid)
+
+
 ## Features
 - GitHub-style habit grid (calendar view)
 - Streak tracking and personal bests
@@ -11,6 +28,8 @@ A modern, grid-based habit tracker app inspired by GitHub contribution graphs. T
 - Responsive design (desktop & mobile)
 - Built with React, Vite, Tailwind CSS, Radix UI, and Framer Motion
 
+---
+
 ## Getting Started
 
 ### Prerequisites
@@ -68,9 +87,19 @@ You can easily deploy your own instance of HabitGrid using [Cloudflare Pages](ht
 5. Deploy and enjoy your own habit tracker online!
 
 ## License
+
 MIT
 
 ---
 
-*Built with ❤️ by Mihajlo Ciric*
+**Project Links:**
-````
+
+- [Live Demo](https://myhabitgrid.com/)
+- [GitHub](https://github.com/nagaoo0/HabitGrid)
+- [Mirror (Gitea)](https://git.mihajlociric.com/count0/HabitGrid)
+
+---
+
+---
+
+*Built with ❤️ by [Mihajlo Ciric](https://mihajlociric.com/)*

package-lock.json

@@ -20,6 +20,7 @@
         "@radix-ui/react-switch": "^1.0.3",
         "@radix-ui/react-tabs": "^1.0.4",
         "@radix-ui/react-toast": "^1.1.5",
+        "@supabase/supabase-js": "^2.75.1",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.0.0",
         "framer-motion": "^10.16.4",
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       "license": "MIT",
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@@ -691,7 +691,6 @@
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         "@babel/helper-module-imports": "^7.27.1",
@@ -4063,6 +4061,80 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@supabase/auth-js": {
+      "version": "2.75.1",
+      "resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.75.1.tgz",
+      "integrity": "sha512-zktlxtXstQuVys/egDpVsargD9hQtG20CMdtn+mMn7d2Ulkzy2tgUT5FUtpppvCJtd9CkhPHO/73rvi5W6Am5A==",
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "2.6.15"
+      }
+    },
+    "node_modules/@supabase/functions-js": {
+      "version": "2.75.1",
+      "resolved": "https://registry.npmjs.org/@supabase/functions-js/-/functions-js-2.75.1.tgz",
+      "integrity": "sha512-xO+01SUcwVmmo67J7Htxq8FmhkYLFdWkxfR/taxBOI36wACEUNQZmroXGPl4PkpYxBO7TaDsRHYGxUpv9zTKkg==",
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "2.6.15"
+      }
+    },
+    "node_modules/@supabase/node-fetch": {
+      "version": "2.6.15",
+      "resolved": "https://registry.npmjs.org/@supabase/node-fetch/-/node-fetch-2.6.15.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      }
+    },
+    "node_modules/@supabase/postgrest-js": {
+      "version": "2.75.1",
+      "resolved": "https://registry.npmjs.org/@supabase/postgrest-js/-/postgrest-js-2.75.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "2.6.15"
+      }
+    },
+    "node_modules/@supabase/realtime-js": {
+      "version": "2.75.1",
+      "resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.75.1.tgz",
+      "integrity": "sha512-lBIJ855bUsBFScHA/AY+lxIFkubduUvmwbagbP1hq0wDBNAsYdg3ql80w8YmtXCDjkCwlE96SZqcFn7BGKKJKQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "2.6.15",
+        "@types/phoenix": "^1.6.6",
+        "@types/ws": "^8.18.1",
+        "ws": "^8.18.2"
+      }
+    },
+    "node_modules/@supabase/storage-js": {
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+      "resolved": "https://registry.npmjs.org/@supabase/storage-js/-/storage-js-2.75.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@supabase/node-fetch": "2.6.15"
+      }
+    },
+    "node_modules/@supabase/supabase-js": {
+      "version": "2.75.1",
+      "resolved": "https://registry.npmjs.org/@supabase/supabase-js/-/supabase-js-2.75.1.tgz",
+      "integrity": "sha512-GEPVBvjQimcMd9z5K1eTKTixTRb6oVbudoLQ9JKqTUJnR6GQdBU4OifFZean1AnHfsQwtri1fop2OWwsMv019w==",
+      "license": "MIT",
+      "dependencies": {
+        "@supabase/auth-js": "2.75.1",
+        "@supabase/functions-js": "2.75.1",
+        "@supabase/node-fetch": "2.6.15",
+        "@supabase/postgrest-js": "2.75.1",
+        "@supabase/realtime-js": "2.75.1",
+        "@supabase/storage-js": "2.75.1"
+      }
+    },
     "node_modules/@types/babel__core": {
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@@ -4133,9 +4205,7 @@
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-      "dev": true,
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-      "peer": true,
       "dependencies": {
         "undici-types": "~6.21.0"
       }
@@ -4147,6 +4217,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/phoenix": {
+      "version": "1.6.6",
+      "resolved": "https://registry.npmjs.org/@types/phoenix/-/phoenix-1.6.6.tgz",
+      "integrity": "sha512-PIzZZlEppgrpoT2QgbnDU+MMzuR6BbCjllj0bM70lWoejMeNJAxCchxnv7J3XFkI8MpygtRpzXrIlmWUBclP5A==",
+      "license": "MIT"
+    },
     "node_modules/@types/prop-types": {
       "version": "15.7.15",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.15.tgz",
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@@ -4172,7 +4247,6 @@
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@@ -4190,6 +4264,15 @@
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       "license": "MIT"
     },
+    "node_modules/@types/ws": {
+      "version": "8.18.1",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
+      "integrity": "sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "5.62.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.62.0.tgz",
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@@ -5049,7 +5130,6 @@
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-      "peer": true,
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@@ -5834,7 +5914,6 @@
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-      "peer": true,
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@@ -7384,7 +7463,6 @@
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       "license": "MIT",
-      "peer": true,
       "bin": {
         "jiti": "bin/jiti.js"
       }
@@ -8127,7 +8205,6 @@
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       "license": "MIT",
-      "peer": true,
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         "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
@@ -8285,7 +8362,6 @@
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@@ -8502,8 +8577,7 @@
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-      "license": "MIT",
+      "license": "MIT"
-      "peer": true
     },
     "node_modules/reflect.getprototypeof": {
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@@ -9354,7 +9428,6 @@
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@@ -9548,7 +9621,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -9568,6 +9640,12 @@
         "node": ">=8.0"
       }
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+    "node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "license": "MIT"
+    },
     "node_modules/ts-interface-checker": {
       "version": "0.1.13",
       "resolved": "https://registry.npmjs.org/ts-interface-checker/-/ts-interface-checker-0.1.13.tgz",
@@ -9771,7 +9849,6 @@
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-      "dev": true,
       "license": "MIT"
     },
     "node_modules/unicode-canonical-property-names-ecmascript": {
@@ -9932,7 +10009,6 @@
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-      "peer": true,
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         "fdir": "^6.5.0",
@@ -10026,7 +10102,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -10034,6 +10109,22 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "license": "BSD-2-Clause"
+    },
+    "node_modules/whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "license": "MIT",
+      "dependencies": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "node_modules/which": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@@ -10249,6 +10340,27 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/ws": {
+      "version": "8.18.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
+      "integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",

package.json

@@ -21,6 +21,7 @@
     "@radix-ui/react-switch": "^1.0.3",
     "@radix-ui/react-tabs": "^1.0.4",
     "@radix-ui/react-toast": "^1.1.5",
+    "@supabase/supabase-js": "^2.75.1",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.0.0",
     "framer-motion": "^10.16.4",

src/App.jsx

@@ -5,6 +5,7 @@ import HomePage from './pages/HomePage';
 import HabitDetailPage from './pages/HabitDetailPage';
 import AddEditHabitPage from './pages/AddEditHabitPage';
 import SettingsPage from './pages/SettingsPage';
+import LoginProvidersPage from './pages/LoginProvidersPage';
 import { Toaster } from './components/ui/toaster';
 
 function App() {
@@ -21,6 +22,7 @@ function App() {
           <Route path="/add" element={<AddEditHabitPage />} />
           <Route path="/edit/:id" element={<AddEditHabitPage />} />
           <Route path="/settings" element={<SettingsPage />} />
+          <Route path="/login-providers" element={<LoginProvidersPage />} />
         </Routes>
         <Toaster />
       </div>

src/components/HabitCard.jsx

@@ -6,6 +6,14 @@ import { Button } from './ui/button';
 import MiniGrid from './MiniGrid';
 import AnimatedCounter from './AnimatedCounter';
 
+
+// Helper to get streak icon from localStorage or fallback
+function getStreakIcon() {
+  const icon = typeof window !== 'undefined' ? localStorage.getItem('streakIcon') : null;
+  if (!icon || icon === 'flame') return <Flame className="w-4 h-4 text-orange-500" />;
+  return <span className="w-4 h-4 text-lg align-text-bottom" role="img" aria-label="Streak Icon">{icon}</span>;
+}
+
 const HabitCard = ({ habit, onUpdate }) => {
   const navigate = useNavigate();
 
@@ -27,7 +35,7 @@ const HabitCard = ({ habit, onUpdate }) => {
           </div>
           <div className="flex items-center gap-4 text-sm text-muted-foreground">
             <div className="flex items-center gap-1">
-              <Flame className="w-4 h-4 text-orange-500" />
+              {getStreakIcon()}
               <span><AnimatedCounter value={habit.currentStreak || 0} duration={800} /> day streak</span>
             </div>
             <span>•</span>

src/components/HabitGrid.jsx

@@ -1,7 +1,7 @@
 import React, { useMemo, useEffect } from 'react';
 import { motion } from 'framer-motion';
 import { getColorIntensity, isToday, formatDate, getWeekdayLabel, getFrozenDays } from '../lib/utils-habit';
-import { toggleCompletion } from '../lib/storage';
+import { toggleCompletion } from '../lib/datastore';
 
 const HabitGrid = ({ habit, onUpdate, fullView = false }) => {
   const frozenDays = getFrozenDays(habit.completions);
@@ -39,7 +39,18 @@ const HabitGrid = ({ habit, onUpdate, fullView = false }) => {
   }, []);
 
   const handleCellClick = (date) => {
-    toggleCompletion(habit.id, formatDate(date));
+    const dateStr = formatDate(date);
+    // Optimistic local update
+    const habits = JSON.parse(localStorage.getItem('habitgrid_data') || '[]');
+    const idx = habits.findIndex(h => h.id === habit.id);
+    if (idx !== -1) {
+      const completions = Array.isArray(habits[idx].completions) ? [...habits[idx].completions] : [];
+      const cidx = completions.indexOf(dateStr);
+      if (cidx > -1) completions.splice(cidx, 1); else completions.push(dateStr);
+      habits[idx].completions = completions;
+      localStorage.setItem('habitgrid_data', JSON.stringify(habits));
+    }
+    toggleCompletion(habit.id, dateStr); // background sync
     onUpdate();
   };
 

src/components/MiniGrid.jsx

@@ -13,10 +13,34 @@ function lightenColor(hex, percent) {
   return `rgb(${r},${g},${b})`;
 }
 import { Flame } from 'lucide-react';
+// Helpers to get custom icons from localStorage or fallback
+function getStreakIcon() {
+  if (typeof window === 'undefined') return (
+    <span className="flex items-center justify-center w-full h-full">
+      <Flame className="w-4 h-4 drop-shadow-lg" />
+    </span>
+  );
+  const icon = localStorage.getItem('streakIcon');
+  if (!icon || icon === 'flame') return (
+    <span className="flex items-center justify-center w-full h-full">
+      <Flame className="w-4 h-4 drop-shadow-lg" />
+    </span>
+  );
+  return (
+    <span className="flex items-center justify-center w-full h-full">
+      <span className="text-lg" role="img" aria-label="Streak Icon">{icon}</span>
+    </span>
+  );
+}
+function getFreezeIcon() {
+  if (typeof window === 'undefined') return '❄️';
+  const icon = localStorage.getItem('freezeIcon');
+  return icon || '❄️';
+}
 import { motion } from 'framer-motion';
 import { getColorIntensity, isToday, formatDate } from '../lib/utils-habit';
 import { getFrozenDays } from '../lib/utils-habit';
-import { toggleCompletion } from '../lib/storage';
+import { toggleCompletion } from '../lib/datastore';
 import { toast } from './ui/use-toast';
 
 const MiniGrid = ({ habit, onUpdate }) => {
@@ -45,7 +69,17 @@ const MiniGrid = ({ habit, onUpdate }) => {
     const dateStr = formatDate(date);
     const isTodayCell = isToday(date);
     const wasCompleted = habit.completions.includes(dateStr);
-    toggleCompletion(habit.id, dateStr);
+    // Optimistic local update
+    const habits = JSON.parse(localStorage.getItem('habitgrid_data') || '[]');
+    const idx = habits.findIndex(h => h.id === habit.id);
+    if (idx !== -1) {
+      const completions = Array.isArray(habits[idx].completions) ? [...habits[idx].completions] : [];
+      const cidx = completions.indexOf(dateStr);
+      if (cidx > -1) completions.splice(cidx, 1); else completions.push(dateStr);
+      habits[idx].completions = completions;
+      localStorage.setItem('habitgrid_data', JSON.stringify(habits));
+    }
+    toggleCompletion(habit.id, dateStr); // background sync
     onUpdate();
     // Only show encouragement toast if validating (adding) today's dot
     if (isTodayCell && !wasCompleted) {
@@ -122,7 +156,7 @@ const MiniGrid = ({ habit, onUpdate }) => {
                       }}
                       transition={{ duration: 0.7, ease: 'easeInOut' }}
                     >
-                      ❄️
+                      {getFreezeIcon()}
                     </motion.span>
                   )}
                   {/* Flame icon for full streak days */}
@@ -147,6 +181,7 @@ const MiniGrid = ({ habit, onUpdate }) => {
                       whileTap={{ scale: 1.2, rotate: 0 }}
                     >
                       <motion.div
+                        className="flex items-center justify-center w-full h-full"
                         animate={{ rotate: [0, 12, -12, 0] }}
                         transition={{
                           repeat: Infinity,
@@ -154,12 +189,8 @@ const MiniGrid = ({ habit, onUpdate }) => {
                           duration: 2,
                           ease: 'easeInOut',
                         }}
-                        style={{ display: 'flex', alignItems: 'center', justifyContent: 'center', width: '100%', height: '100%' }}
                       >
-                        <Flame
+                        {getStreakIcon()}
-                          className="w-3 h-3 sm:w-4 sm:h-4 md:w-5 md:h-5 drop-shadow-lg"
-                          style={{ color: lightenColor(habit.color, 0.4), filter: 'brightness(1.3) drop-shadow(0 0 6px white)' }}
-                        />
                       </motion.div>
                     </motion.span>
                   )}

src/components/ui/separator.jsx

@@ -0,0 +1,19 @@
+import React from 'react';
+
+/**
+ * Separator component for dividing sections in the UI.
+ * Renders a horizontal line with optional styling for light/dark mode.
+ */
+export function Separator({ className = '' }) {
+  return (
+    <div className="w-full my-8 mx-auto flex flex-col items-center" style={{ maxWidth: '96%' }}>
+      <div className="w-full h-0.5 bg-slate-100 dark:bg-slate-800 mb-1 rounded-full" />
+      <hr
+        className={`w-full border-0 h-1 rounded-lg bg-slate-200 dark:bg-slate-700 shadow-sm ${className}`}
+        style={{ boxShadow: '0 1px 4px 0 rgba(0,0,0,0.04)' }}
+        role="separator"
+        aria-orientation="horizontal"
+      />
+    </div>
+  );
+}

src/lib/datastore.js

@@ -0,0 +1,184 @@
+import { supabase, isSupabaseConfigured } from './supabase';
+import * as local from './storage';
+
+const SYNC_FLAG = 'habitgrid_remote_synced_at';
+
+export const getAuthUser = async () => {
+  if (!isSupabaseConfigured()) return null;
+  const { data } = await supabase.auth.getUser();
+  return data?.user ?? null;
+};
+
+export const isLoggedIn = async () => Boolean(await getAuthUser());
+
+// Remote schema suggestion:
+// table habits {
+//   id uuid primary key default gen_random_uuid(),
+//   user_id uuid not null,
+//   name text not null,
+//   color text,
+//   category text,
+//   completions jsonb default '[]'::jsonb,
+//   current_streak int default 0,
+//   longest_streak int default 0,
+//   sort_order int default 0,
+//   created_at timestamptz default now(),
+//   updated_at timestamptz default now()
+// };
+
+export async function getHabits() {
+  if (!(await isLoggedIn())) return local.getHabits();
+
+  const { data: user } = await supabase.auth.getUser();
+  const userId = user?.user?.id;
+  if (!userId) return local.getHabits();
+
+  const { data, error } = await supabase
+    .from('habits')
+    .select('id,user_id,name,color,category,completions,current_streak,longest_streak,sort_order,updated_at,created_at')
+    .eq('user_id', userId)
+    .order('sort_order');
+  if (error) {
+    console.warn('Supabase getHabits error, falling back to local:', error.message);
+    return local.getHabits();
+  }
+  // Map to local shape
+  return (data || []).map(row => ({
+    id: row.id,
+    name: row.name,
+    color: row.color,
+    category: row.category || '',
+    completions: row.completions || [],
+    currentStreak: row.current_streak ?? 0,
+    longestStreak: row.longest_streak ?? 0,
+    sortOrder: row.sort_order ?? 0,
+    createdAt: row.created_at,
+    updatedAt: row.updated_at,
+  }));
+}
+
+export async function saveHabit(habit) {
+  if (!(await isLoggedIn())) return local.saveHabit(habit);
+  const now = new Date().toISOString();
+  const { data: auth } = await supabase.auth.getUser();
+  const insert = {
+    user_id: auth?.user?.id,
+    name: habit.name,
+    color: habit.color,
+    category: habit.category || '',
+    completions: habit.completions || [],
+    current_streak: habit.currentStreak ?? 0,
+    longest_streak: habit.longestStreak ?? 0,
+    sort_order: habit.sortOrder ?? 0,
+    created_at: now,
+    updated_at: now,
+  };
+  const { data, error } = await supabase.from('habits').insert(insert).select('*').single();
+  if (error) {
+    console.warn('Supabase saveHabit error, writing local:', error.message);
+    return local.saveHabit(habit);
+  }
+  return {
+    id: data.id,
+    sortOrder: data.sort_order ?? 0,
+    ...habit,
+  };
+}
+
+export async function updateHabit(id, updates) {
+  if (!(await isLoggedIn())) return local.updateHabit(id, updates);
+  const now = new Date().toISOString();
+  const patch = {
+    ...(updates.name !== undefined ? { name: updates.name } : {}),
+    ...(updates.color !== undefined ? { color: updates.color } : {}),
+    ...(updates.category !== undefined ? { category: updates.category } : {}),
+    ...(updates.completions !== undefined ? { completions: updates.completions } : {}),
+    ...(updates.currentStreak !== undefined ? { current_streak: updates.currentStreak } : {}),
+    ...(updates.longestStreak !== undefined ? { longest_streak: updates.longestStreak } : {}),
+    ...(updates.sortOrder !== undefined ? { sort_order: updates.sortOrder } : {}),
+    updated_at: now,
+  };
+  const { error } = await supabase.from('habits').update(patch).eq('id', id);
+  if (error) {
+    console.warn('Supabase updateHabit error, writing local:', error.message);
+    return local.updateHabit(id, updates);
+  }
+}
+
+export async function deleteHabit(id) {
+  if (!(await isLoggedIn())) return local.deleteHabit(id);
+  const { error } = await supabase.from('habits').delete().eq('id', id);
+  if (error) {
+    console.warn('Supabase deleteHabit error, writing local:', error.message);
+    return local.deleteHabit(id);
+  }
+}
+
+export async function toggleCompletion(habitId, dateStr) {
+  if (!(await isLoggedIn())) return local.toggleCompletion(habitId, dateStr);
+  // Fetch current then delegate to local logic for streak calc
+  const habits = await getHabits();
+  const target = habits.find(h => h.id === habitId);
+  if (!target) return;
+  const completions = Array.isArray(target.completions) ? [...target.completions] : [];
+  const idx = completions.indexOf(dateStr);
+  if (idx > -1) completions.splice(idx, 1); else completions.push(dateStr);
+  return updateHabit(habitId, { completions });
+}
+
+export async function exportData() {
+  // Always export from local snapshot for portability
+  const habits = await getHabits();
+  return JSON.stringify(habits, null, 2);
+}
+
+export async function importData(jsonString) {
+  // Always import to local; remote sync will push on login
+  return local.importData(jsonString);
+}
+
+export async function clearAllData() {
+  // Clear local only; remote data persists per account
+  return local.clearAllData();
+}
+
+// Sync: push local data to remote when user first logs in or when no remote data exists
+export async function syncLocalToRemoteIfNeeded() {
+  if (!isSupabaseConfigured()) return;
+  const user = await getAuthUser();
+  if (!user) return;
+
+  const already = localStorage.getItem(SYNC_FLAG);
+  const { data: remote, error } = await supabase.from('habits').select('id').limit(1);
+  if (error) return;
+
+  if (!already || (remote || []).length === 0) {
+    const habits = local.getHabits();
+    if (habits.length === 0) return localStorage.setItem(SYNC_FLAG, new Date().toISOString());
+    const rows = habits.map(h => ({
+      id: h.id && h.id.length > 0 ? h.id : undefined,
+      user_id: user.id,
+      name: h.name,
+      color: h.color,
+      category: h.category || '',
+      completions: h.completions || [],
+      current_streak: h.currentStreak ?? 0,
+      longest_streak: h.longestStreak ?? 0,
+      sort_order: h.sortOrder ?? 0,
+      created_at: h.createdAt || new Date().toISOString(),
+      updated_at: h.updatedAt || new Date().toISOString(),
+    }));
+    await supabase.from('habits').upsert(rows, { onConflict: 'id' });
+    localStorage.setItem(SYNC_FLAG, new Date().toISOString());
+  }
+}
+
+export async function syncRemoteToLocal() {
+  const user = await getAuthUser();
+  if (!user) return;
+  const remote = await getHabits();
+  // write to local in the app's expected format
+  localStorage.setItem('habitgrid_data', JSON.stringify(remote));
+  // Notify UI to reload if listening
+  window.dispatchEvent(new CustomEvent('habitgrid-sync-updated'));
+}

src/lib/storage.js

@@ -1,3 +1,5 @@
+// Local storage remains the primary source. If Supabase auth is active, we mirror writes to the remote DB.
+import { supabase } from './supabase';
 const STORAGE_KEY = 'habitgrid_data';
 
 export const getHabits = () => {
@@ -15,15 +17,55 @@ export const getHabit = (id) => {
   return habits.find(h => h.id === id);
 };
 
+const nowIso = () => new Date().toISOString();
+
+const remoteMirrorUpsert = async (habit) => {
+  try {
+    if (!supabase) return;
+    const { data: auth } = await supabase.auth.getUser();
+    if (!auth?.user) return;
+    const row = {
+      id: habit.id,
+      name: habit.name ?? habit.title ?? habit?.name,
+      color: habit.color,
+      category: habit.category || '',
+      completions: habit.completions || [],
+      current_streak: habit.currentStreak ?? 0,
+      longest_streak: habit.longestStreak ?? 0,
+      sort_order: habit.sortOrder ?? 0,
+      created_at: habit.createdAt || nowIso(),
+      updated_at: habit.updatedAt || nowIso(),
+      user_id: auth.user.id,
+    };
+    await supabase.from('habits').upsert(row, { onConflict: 'id' });
+  } catch (e) {
+    console.warn('Remote mirror upsert failed:', e?.message || e);
+  }
+};
+
+const remoteMirrorDelete = async (id) => {
+  try {
+    if (!supabase) return;
+    const { data: auth } = await supabase.auth.getUser();
+    if (!auth?.user) return;
+  await supabase.from('habits').delete().eq('id', id).eq('user_id', auth.user.id);
+  } catch (e) {
+    console.warn('Remote mirror delete failed:', e?.message || e);
+  }
+};
+
 export const saveHabit = (habit) => {
   const habits = getHabits();
   const newHabit = {
     ...habit,
     id: Date.now().toString(),
     sortOrder: habits.length,
+    createdAt: nowIso(),
+    updatedAt: nowIso(),
   };
   habits.push(newHabit);
   localStorage.setItem(STORAGE_KEY, JSON.stringify(habits));
+  remoteMirrorUpsert(newHabit);
   return newHabit;
 };
 
@@ -31,8 +73,9 @@ export const updateHabit = (id, updates) => {
   const habits = getHabits();
   const index = habits.findIndex(h => h.id === id);
   if (index !== -1) {
-    habits[index] = { ...habits[index], ...updates };
+    habits[index] = { ...habits[index], ...updates, updatedAt: nowIso() };
     localStorage.setItem(STORAGE_KEY, JSON.stringify(habits));
+    remoteMirrorUpsert(habits[index]);
   }
 };
 
@@ -40,6 +83,7 @@ export const deleteHabit = (id) => {
   const habits = getHabits();
   const filtered = habits.filter(h => h.id !== id);
   localStorage.setItem(STORAGE_KEY, JSON.stringify(filtered));
+  remoteMirrorDelete(id);
 };
 
 export const toggleCompletion = (habitId, dateStr) => {
@@ -139,3 +183,7 @@ export const importData = (jsonString) => {
 export const clearAllData = () => {
   localStorage.removeItem(STORAGE_KEY);
 };
+
+// Re-export a thin Supabase-aware facade so the rest of the app can import from 'lib/storage'
+// without refactors. We keep original names but allow higher-level modules to import the remote-aware versions.
+export * as remote from './datastore';

src/lib/supabase.js

@@ -0,0 +1,11 @@
+import { createClient } from '@supabase/supabase-js';
+
+// Expect env vars provided by Vite
+const supabaseUrl = import.meta.env.VITE_SUPABASE_URL;
+const supabaseAnonKey = import.meta.env.VITE_SUPABASE_ANON_KEY;
+
+export const supabase = (supabaseUrl && supabaseAnonKey)
+  ? createClient(supabaseUrl, supabaseAnonKey)
+  : null;
+
+export const isSupabaseConfigured = () => Boolean(supabase);

src/pages/AddEditHabitPage.jsx

@@ -7,7 +7,7 @@ import { Input } from '../components/ui/input';
 import { Label } from '../components/ui/label';
 import { useToast } from '../components/ui/use-toast';
 import ColorPicker from '../components/ColorPicker';
-import { getHabit, saveHabit, updateHabit } from '../lib/storage';
+import { getHabits, saveHabit, updateHabit } from '../lib/datastore';
 
 const AddEditHabitPage = () => {
   const { id } = useParams();
@@ -49,14 +49,25 @@ const AddEditHabitPage = () => {
       return;
     }
 
+    // Optimistic local update
     if (isEdit) {
-      updateHabit(id, { name: name.trim(), color, category: category.trim() });
+      // Update localStorage directly for instant UI
+      const habits = JSON.parse(localStorage.getItem('habitgrid_data') || '[]');
+      const idx = habits.findIndex(h => h.id === id);
+      if (idx !== -1) {
+        habits[idx] = { ...habits[idx], name: name.trim(), color, category: category.trim() };
+        localStorage.setItem('habitgrid_data', JSON.stringify(habits));
+      }
+      updateHabit(id, { name: name.trim(), color, category: category.trim() }); // background sync
       toast({
         title: "✅ Habit updated",
         description: "Your habit has been updated successfully.",
       });
     } else {
-      saveHabit({
+      // Add to localStorage for instant UI
+      const habits = JSON.parse(localStorage.getItem('habitgrid_data') || '[]');
+      const newHabit = {
+        id: Date.now().toString(),
         name: name.trim(),
         color,
         category: category.trim(),
@@ -64,7 +75,12 @@ const AddEditHabitPage = () => {
         currentStreak: 0,
         longestStreak: 0,
         createdAt: new Date().toISOString(),
-      });
+        updatedAt: new Date().toISOString(),
+        sortOrder: habits.length,
+      };
+      habits.push(newHabit);
+      localStorage.setItem('habitgrid_data', JSON.stringify(habits));
+      saveHabit(newHabit); // background sync
       toast({
         title: "✅ Habit created",
         description: "Your new habit is ready to track!",

src/pages/HabitDetailPage.jsx

@@ -6,7 +6,13 @@ import { Button } from '../components/ui/button';
 import { useToast } from '../components/ui/use-toast';
 import HabitGrid from '../components/HabitGrid';
 import DeleteHabitDialog from '../components/DeleteHabitDialog';
-import { getHabit, deleteHabit } from '../lib/storage';
+import { getHabits, deleteHabit } from '../lib/datastore';
+
+// Local helper to get habit by id from localStorage
+function getHabit(id) {
+  const habits = JSON.parse(localStorage.getItem('habitgrid_data') || '[]');
+  return habits.find(h => h.id === id);
+}
 import AnimatedCounter from '../components/AnimatedCounter';
 
 const HabitDetailPage = () => {
@@ -44,7 +50,11 @@ const HabitDetailPage = () => {
   };
 
   const handleDelete = () => {
-    deleteHabit(id);
+    // Optimistic local delete
+    const habits = JSON.parse(localStorage.getItem('habitgrid_data') || '[]');
+    const filtered = habits.filter(h => h.id !== id);
+    localStorage.setItem('habitgrid_data', JSON.stringify(filtered));
+    deleteHabit(id); // background sync
     toast({
       title: "✅ Habit deleted",
       description: "Your habit has been removed successfully.",

src/pages/HomePage.jsx

@@ -9,7 +9,7 @@ import HabitCard from '../components/HabitCard';
 import AnimatedCounter from '../components/AnimatedCounter';
 import GitActivityGrid from '../components/GitActivityGrid';
 import { getGitEnabled } from '../lib/git';
-import { getHabits, updateHabit } from '../lib/storage';
+import { getHabits, updateHabit, syncLocalToRemoteIfNeeded, syncRemoteToLocal, getAuthUser } from '../lib/datastore';
 
 const HomePage = () => {
   const navigate = useNavigate();
@@ -22,8 +22,26 @@ const HomePage = () => {
   });
 
   useEffect(() => {
-    loadHabits();
+    (async () => {
+      // On login, pull remote habits into localStorage
+      const user = await getAuthUser();
+      if (user) {
+        await syncRemoteToLocal();
+      }
+      await loadHabits();
       setGitEnabled(getGitEnabled());
+    })();
+    // Background sync every 10s if logged in
+    const interval = setInterval(() => {
+      syncLocalToRemoteIfNeeded();
+    }, 10000);
+    // Listen for remote sync event to reload habits
+    const syncListener = () => loadHabits();
+    window.addEventListener('habitgrid-sync-updated', syncListener);
+    return () => {
+      clearInterval(interval);
+      window.removeEventListener('habitgrid-sync-updated', syncListener);
+    };
   }, []);
 
   useEffect(() => {
@@ -36,9 +54,9 @@ const HomePage = () => {
     }
   }, [darkMode]);
 
-  const loadHabits = () => {
+  const loadHabits = async () => {
-    const loadedHabits = getHabits();
+    // Always read from local for instant UI
-    // Sort by sortOrder if present, then fallback to createdAt
+    const loadedHabits = JSON.parse(localStorage.getItem('habitgrid_data') || '[]');
     loadedHabits.sort((a, b) => {
       if (a.sortOrder !== undefined && b.sortOrder !== undefined) return a.sortOrder - b.sortOrder;
       if (a.sortOrder !== undefined) return -1;
@@ -211,7 +229,7 @@ const HomePage = () => {
                 ...Object.values(grouped).flat()
               ];
             }
-            setTimeout(loadHabits, 100); // reload after update
+            setTimeout(loadHabits, 0); // reload instantly after update
           }}
         >
           <div className="space-y-6">

src/pages/LoginProvidersPage.jsx

@@ -0,0 +1,105 @@
+
+import React from 'react';
+import { useNavigate } from 'react-router-dom';
+import { supabase, isSupabaseConfigured } from '../lib/supabase';
+import { Button } from '../components/ui/button';
+import { motion, AnimatePresence } from 'framer-motion';
+
+const PROVIDERS = [
+  { id: 'github', label: 'GitHub' },
+  { id: 'discord', label: 'Discord' },
+  { id: 'google', label: 'Google' },
+  // Add more providers here if needed
+];
+
+
+const LoginProvidersPage = () => {
+  const navigate = useNavigate();
+
+  // Ensure theme is correct on mount
+  React.useEffect(() => {
+    const theme = localStorage.getItem('theme');
+    document.documentElement.classList.remove('light', 'dark');
+    if (theme === 'dark') {
+      document.documentElement.classList.add('dark');
+    } else {
+      document.documentElement.classList.add('light');
+    }
+  }, []);
+
+  const handleLogin = async (provider) => {
+    if (!isSupabaseConfigured()) return alert('Supabase not configured. Set VITE_SUPABASE_URL and VITE_SUPABASE_ANON_KEY');
+    const { error } = await supabase.auth.signInWithOAuth({ provider });
+    if (error) alert(error.message);
+  };
+
+  return (
+    <div className="min-h-screen flex flex-col items-center justify-center bg-gradient-to-br from-blue-100 via-white to-blue-200 dark:from-gray-900 dark:via-gray-800 dark:to-gray-900">
+      <motion.div
+        initial={{ opacity: 0, y: 40, scale: 0.95 }}
+        animate={{ opacity: 1, y: 0, scale: 1 }}
+        transition={{ type: 'spring', stiffness: 200, damping: 20 }}
+        className="max-w-md w-full p-8 bg-white dark:bg-slate-800 rounded-3xl shadow-2xl border border-slate-200 dark:border-slate-700 relative overflow-hidden"
+      >
+        <motion.div
+          initial={{ opacity: 0, y: -20 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ delay: 0.1 }}
+        >
+          <h1 className="text-3xl font-extrabold mb-2 text-center bg-gradient-to-r from-blue-600 to-indigo-500 bg-clip-text text-transparent drop-shadow-lg">Sync Your Habits</h1>
+          <p className="text-center text-base text-slate-600 dark:text-slate-300 mb-6 animate-fadeIn">
+            Log in to securely sync your habits across all your devices. Choose your preferred provider below.<br/>
+            <span className="text-xs text-blue-500">(No posts or data will be shared without your consent.)</span>
+          </p>
+        </motion.div>
+        <motion.div
+          initial="hidden"
+          animate="visible"
+          variants={{
+            hidden: { opacity: 0, y: 20 },
+            visible: { opacity: 1, y: 0, transition: { staggerChildren: 0.08 } },
+          }}
+          className="flex flex-col gap-4 mb-4"
+        >
+          {PROVIDERS.map((p, i) => (
+            <motion.div
+              key={p.id}
+              initial={{ opacity: 0, x: -30 }}
+              animate={{ opacity: 1, x: 0 }}
+              transition={{ delay: 0.15 + i * 0.08, type: 'spring', stiffness: 180 }}
+            >
+              <Button
+                onClick={() => handleLogin(p.id)}
+                className="w-full py-3 text-lg font-semibold tracking-wide shadow-md hover:scale-105 transition-transform duration-150"
+              >
+                {`Login with ${p.label}`}
+              </Button>
+            </motion.div>
+          ))}
+        </motion.div>
+        <motion.div
+          initial={{ opacity: 0, y: 10 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ delay: 0.4 }}
+        >
+          <Button variant="ghost" className="mt-4 w-full" onClick={() => navigate(-1)}>
+            Cancel
+          </Button>
+        </motion.div>
+        {/* Decorative animated background shapes */}
+        <motion.div
+          className="absolute -top-10 -left-10 w-32 h-32 bg-blue-200 dark:bg-blue-900 rounded-full opacity-30 blur-2xl animate-pulse"
+          animate={{ scale: [1, 1.2, 1], rotate: [0, 30, 0] }}
+          transition={{ repeat: Infinity, duration: 6, ease: 'easeInOut' }}
+        />
+        <motion.div
+          className="absolute -bottom-10 -right-10 w-40 h-40 bg-indigo-200 dark:bg-indigo-900 rounded-full opacity-20 blur-2xl animate-pulse"
+          animate={{ scale: [1, 1.15, 1], rotate: [0, -20, 0] }}
+          transition={{ repeat: Infinity, duration: 7, ease: 'easeInOut' }}
+        />
+      </motion.div>
+    </div>
+  );
+};
+
+export default LoginProvidersPage;

src/pages/SettingsPage.jsx

@@ -1,15 +1,53 @@
 import React, { useState, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { motion } from 'framer-motion';
-import { ArrowLeft, Moon, Sun, Bell, Download, Upload, Trash2, Plus, Trash, GitBranch } from 'lucide-react';
+import { ArrowLeft, Moon, Sun, Bell, Download, Upload, Trash2, Plus, Trash, GitBranch, Flame } from 'lucide-react';
 import { Button } from '../components/ui/button';
+import { Separator } from '../components/ui/separator';
 import { Switch } from '../components/ui/switch';
 import { Label } from '../components/ui/label';
 import { useToast } from '../components/ui/use-toast';
-import { exportData, importData, clearAllData } from '../lib/storage';
+import { exportData, importData, clearAllData } from '../lib/datastore';
+import { supabase, isSupabaseConfigured } from '../lib/supabase';
+import { syncLocalToRemoteIfNeeded } from '../lib/datastore';
 import { addIntegration, getIntegrations, removeIntegration, getGitEnabled, setGitEnabled, fetchAllGitActivity, getCachedGitActivity } from '../lib/git';
 
+const DEFAULT_STREAK_ICON = 'flame';
+const DEFAULT_FREEZE_ICON = '❄️';
+
+const ICON_OPTIONS = [
+  { label: 'Flame', value: 'flame', icon: <Flame className="inline w-5 h-5 text-orange-500 align-text-bottom" /> },
+  { label: 'Fire (emoji)', value: '🔥', icon: <span role="img" aria-label="Fire" className="inline text-lg align-text-bottom">🔥</span> },
+  { label: 'Star', value: '⭐', icon: <span role="img" aria-label="Star" className="inline text-lg align-text-bottom">⭐</span> },
+  { label: 'Trophy', value: '🏆', icon: <span role="img" aria-label="Trophy" className="inline text-lg align-text-bottom">🏆</span> },
+  { label: 'Rocket', value: '🚀', icon: <span role="img" aria-label="Rocket" className="inline text-lg align-text-bottom">🚀</span> },
+  { label: 'Rose', value: '🌹', icon: <span role="img" aria-label="Rose" className="inline text-lg align-text-bottom">🌹</span> },
+];
+const FREEZE_OPTIONS = [
+  { label: 'Snowflake', value: '❄️', icon: <span role="img" aria-label="Snowflake" className="inline text-lg align-text-bottom">❄️</span> },
+  { label: 'Ice', value: '🧊', icon: <span role="img" aria-label="Ice" className="inline text-lg align-text-bottom">🧊</span> },
+  { label: 'Snowman', value: '☃️', icon: <span role="img" aria-label="Snowman" className="inline text-lg align-text-bottom">☃️</span> },
+  { label: 'Cloud', value: '☁️', icon: <span role="img" aria-label="Cloud" className="inline text-lg align-text-bottom">☁️</span> },
+  { label: 'Withered Flower', value: '🥀', icon: <span role="img" aria-label="Withered Flower" className="inline text-lg align-text-bottom">🥀</span> },
+];
+
 const SettingsPage = () => {
+  // Appearance customization state
+  const [streakIcon, setStreakIcon] = useState(() => localStorage.getItem('streakIcon') || DEFAULT_STREAK_ICON);
+  const [freezeIcon, setFreezeIcon] = useState(() => localStorage.getItem('freezeIcon') || DEFAULT_FREEZE_ICON);
+  // Save icon selections to localStorage
+  useEffect(() => {
+    localStorage.setItem('streakIcon', streakIcon);
+  }, [streakIcon]);
+  useEffect(() => {
+    localStorage.setItem('freezeIcon', freezeIcon);
+  }, [freezeIcon]);
+  // Render icon for preview
+  const renderStreakIcon = (icon) => {
+    if (icon === 'flame') return <Flame className="inline w-5 h-5 text-orange-500 align-text-bottom" />;
+    return <span className="inline text-lg align-text-bottom">{icon}</span>;
+  };
+  const renderFreezeIcon = (icon) => <span className="inline text-lg align-text-bottom">{icon}</span>;
   const navigate = useNavigate();
   const { toast } = useToast();
   const [darkMode, setDarkMode] = useState(() => {
@@ -21,6 +59,27 @@ const SettingsPage = () => {
   const [form, setForm] = useState({ provider: 'github', baseUrl: '', username: '', token: '' });
   const [{ lastSync }, setCacheInfo] = useState(getCachedGitActivity());
   const [syncing, setSyncing] = useState(false);
+  const [userEmail, setUserEmail] = useState('');
+
+  useEffect(() => {
+    if (!isSupabaseConfigured()) return;
+    supabase.auth.getUser().then(({ data }) => setUserEmail(data?.user?.email || ''));
+    const { data: sub } = supabase.auth.onAuthStateChange((_event, session) => {
+      setUserEmail(session?.user?.email || '');
+      if (session?.user) syncLocalToRemoteIfNeeded();
+    });
+    return () => sub?.subscription?.unsubscribe();
+  }, []);
+
+  const handleLogin = async (provider) => {
+    if (!isSupabaseConfigured()) return alert('Supabase not configured. Set VITE_SUPABASE_URL and VITE_SUPABASE_ANON_KEY');
+    const { error } = await supabase.auth.signInWithOAuth({ provider });
+    if (error) alert(error.message);
+  };
+
+  const handleLogout = async () => {
+    await supabase?.auth?.signOut();
+  };
 
   useEffect(() => {
     if (darkMode) {
@@ -142,14 +201,25 @@ const SettingsPage = () => {
           >
             <ArrowLeft className="w-5 h-5" />
           </Button>
-          <div>
+          <div className="flex-1">
             <h1 className="text-2xl font-bold">Settings</h1>
             <p className="text-sm text-muted-foreground">Customize your experience</p>
           </div>
+          {isSupabaseConfigured() && (
+            userEmail ? (
+              <div className="flex items-center gap-2 ml-auto">
+                <span className="text-sm text-muted-foreground">{userEmail}</span>
+                <Button variant="outline" size="sm" onClick={handleLogout} className="rounded-full">Logout</Button>
+              </div>
+            ) : (
+              <Button onClick={() => navigate('/login-providers')} variant="outline" size="sm" className="rounded-full ml-auto">Login to Sync</Button>
+            )
+          )}
         </motion.div>
 
         <div className="space-y-4">
 
+
           {/* Appearance */}
           <motion.div
             initial={{ opacity: 0, y: 20 }}
@@ -158,6 +228,7 @@ const SettingsPage = () => {
             className="bg-white dark:bg-slate-800 rounded-2xl p-6 shadow-sm border border-slate-200 dark:border-slate-700"
           >
             <h2 className="text-lg font-semibold mb-4">Appearance</h2>
+            <div className="flex flex-col gap-6">
               <div className="flex items-center justify-between">
                 <div className="flex items-center gap-3">
                   {darkMode ? <Moon className="w-5 h-5" /> : <Sun className="w-5 h-5" />}
@@ -172,6 +243,49 @@ const SettingsPage = () => {
                   onCheckedChange={toggleDarkMode}
                 />
               </div>
+
+              {/* Streak Icon Picker */}
+              <div className="flex items-center justify-between">
+                <div className="flex items-center gap-3">
+                  {renderStreakIcon(streakIcon)}
+                  <div>
+                    <Label htmlFor="streak-icon" className="text-base">Streak Icon</Label>
+                    <p className="text-sm text-muted-foreground">Choose your streak icon</p>
+                  </div>
+                </div>
+                <select
+                  id="streak-icon"
+                  className="border rounded-md p-2 bg-white dark:bg-slate-900 text-black dark:text-white focus:outline-none focus:ring-2 focus:ring-primary/50 transition-colors"
+                  value={streakIcon}
+                  onChange={e => setStreakIcon(e.target.value)}
+                >
+                  {ICON_OPTIONS.map(opt => (
+                    <option key={opt.value} value={opt.value}>{opt.label}</option>
+                  ))}
+                </select>
+              </div>
+
+              {/* Freeze Icon Picker */}
+              <div className="flex items-center justify-between">
+                <div className="flex items-center gap-3">
+                  {renderFreezeIcon(freezeIcon)}
+                  <div>
+                    <Label htmlFor="freeze-icon" className="text-base">Freeze Icon</Label>
+                    <p className="text-sm text-muted-foreground">Choose your freeze icon</p>
+                  </div>
+                </div>
+                <select
+                  id="freeze-icon"
+                  className="border rounded-md p-2 bg-white dark:bg-slate-900 text-black dark:text-white focus:outline-none focus:ring-2 focus:ring-primary/50 transition-colors"
+                  value={freezeIcon}
+                  onChange={e => setFreezeIcon(e.target.value)}
+                >
+                  {FREEZE_OPTIONS.map(opt => (
+                    <option key={opt.value} value={opt.value}>{opt.label}</option>
+                  ))}
+                </select>
+              </div>
+            </div>
           </motion.div>
 
           {/* Notifications */}
@@ -254,7 +368,7 @@ const SettingsPage = () => {
             <div className="grid sm:grid-cols-4 gap-2 mb-3">
               <div>
                 <Label className="text-xs">Provider</Label>
-                <select className="w-full bg-transparent border rounded-md p-2" value={form.provider} onChange={e => setForm({ ...form, provider: e.target.value })}>
+                <select className="w-full border rounded-md p-2 bg-white dark:bg-slate-900 text-black dark:text-white focus:outline-none focus:ring-2 focus:ring-primary/50 transition-colors" value={form.provider} onChange={e => setForm({ ...form, provider: e.target.value })}>
                   <option value="github">GitHub</option>
                   <option value="gitlab">GitLab</option>
                   <option value="gitea">Gitea</option>
@@ -310,15 +424,34 @@ const SettingsPage = () => {
           >
             <h2 className="text-lg font-semibold mb-2">About HabitGrid</h2>
             <p className="text-sm text-muted-foreground mb-4">
-              Version 1.0.0 • Built with ❤️ for habit builders
+              Version 1.1.0 • Built by <a href="https://www.mihajlociric.com" target="_blank" rel="noopener noreferrer" className="underline text-blue-600 hover:text-blue-800 dark:text-blue-400 dark:hover:text-blue-300"> Mihajlo Ciric </a> with ❤️ 
             </p>
+            <Separator />
             <p className="text-xs text-muted-foreground">
-              Track your habits with a beautiful GitHub-style contribution grid. 
+              This project is open-source and available on <a href="https://github.com/nagaoo0/HabitGrid" target="_blank" rel="noopener noreferrer" className="underline text-blue-600 hover:text-blue-800 dark:text-blue-400 dark:hover:text-blue-300">GitHub</a> and mirrored on <a href="https://git.mihajlociric.com/count0/HabitGrid" target="_blank" rel="noopener noreferrer" className="underline text-orange-600 hover:text-orange-800 dark:text-orange-400 dark:hover:text-orange-300">git.mihajlociric.com</a>. If you enjoy using HabitGrid, please consider starring the repository and sharing it with others!
-              Build streaks, visualize progress, and commit to yourself daily.
+              If you encounter any issues or have suggestions, feel free to open an issue or contribute.
             </p>
           </motion.div>
         </div>
       </div>
+      {/* GitHub Icon Button at the bottom */}
+      <div className="flex justify-center gap-4 mt-8">
+        <a href="https://github.com/nagaoo0/HabitGrid" target="_blank" rel="noopener noreferrer">
+          <Button variant="ghost" size="icon" className="rounded-full" aria-label="GitHub Repository">
+            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" className="w-7 h-7 text-slate-700 dark:text-slate-200">
+              <path d="M12 2C6.477 2 2 6.484 2 12.021c0 4.428 2.865 8.186 6.839 9.525.5.092.682-.217.682-.483 0-.237-.009-.868-.014-1.703-2.782.605-3.369-1.342-3.369-1.342-.454-1.155-1.11-1.463-1.11-1.463-.908-.62.069-.608.069-.608 1.004.07 1.532 1.032 1.532 1.032.892 1.53 2.341 1.088 2.91.832.091-.646.35-1.088.636-1.34-2.221-.253-4.555-1.113-4.555-4.951 0-1.093.39-1.988 1.029-2.688-.103-.254-.446-1.272.098-2.65 0 0 .84-.27 2.75 1.025A9.564 9.564 0 0 1 12 6.844c.85.004 1.705.115 2.504.337 1.909-1.295 2.748-1.025 2.748-1.025.546 1.378.202 2.396.1 2.65.64.7 1.028 1.595 1.028 2.688 0 3.847-2.337 4.695-4.566 4.944.359.309.678.92.678 1.855 0 1.338-.012 2.419-.012 2.747 0 .268.18.579.688.481C19.138 20.204 22 16.447 22 12.021 22 6.484 17.523 2 12 2z" />
+            </svg>
+          </Button>
+        </a>
+        <a href="https://git.mihajlociric.com/count0/HabitGrid" target="_blank" rel="noopener noreferrer">
+          <Button variant="ghost" size="icon" className="rounded-full" aria-label="Git Mirror Repository">
+            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" className="w-7 h-7" fill="none">
+              <rect width="32" height="32" rx="16" fill="#F7931E"/>
+              <path d="M16 7C11.03 7 7 11.03 7 16C7 20.97 11.03 25 16 25C20.97 25 25 20.97 25 16C25 11.03 20.97 7 16 7ZM16 23.5C12.14 23.5 9 20.36 9 16.5C9 12.64 12.14 9.5 16 9.5C19.86 9.5 23 12.64 23 16.5C23 20.36 19.86 23.5 16 23.5ZM16 12C14.07 12 12.5 13.57 12.5 15.5C12.5 17.43 14.07 19 16 19C17.93 19 19.5 17.43 19.5 15.5C19.5 13.57 17.93 12 16 12Z" fill="#fff"/>
+            </svg>
+          </Button>
+        </a>
+      </div>
     </div>
   );
 };

supabase/habits_table.csv

@@ -0,0 +1,2 @@
+id,user_id,name,color,category,completions,current_streak,longest_streak,sort_order,created_at,updated_at
+3fa85f64-5717-4562-b3fc-2c963f66afa6,11111111-1111-1111-1111-111111111111,Sample Habit,#22c55e,Health,"[""2025-01-01"",""2025-01-02""]",2,5,0,2025-01-01T00:00:00Z,2025-01-02T00:00:00Z

supabase/habits_table.sql

@@ -0,0 +1,57 @@
+-- Create habits table with proper types, defaults, constraints, and RLS
+-- Run this in Supabase SQL editor
+
+-- Enable gen_random_uuid()
+create extension if not exists pgcrypto;
+
+create table if not exists public.habits (
+  id uuid primary key default gen_random_uuid(),
+  user_id uuid not null references auth.users(id) on delete cascade,
+  name text not null,
+  color text,
+  category text,
+  completions jsonb not null default '[]'::jsonb,
+  current_streak integer not null default 0,
+  longest_streak integer not null default 0,
+  sort_order integer not null default 0,
+  created_at timestamptz not null default now(),
+  updated_at timestamptz not null default now()
+);
+
+-- Useful indexes
+create index if not exists idx_habits_user_id on public.habits(user_id);
+create index if not exists idx_habits_user_sort on public.habits(user_id, sort_order);
+
+-- Automatically update updated_at
+create or replace function public.set_updated_at()
+returns trigger language plpgsql as $$
+begin
+  new.updated_at = now();
+  return new;
+end;
+$$;
+
+drop trigger if exists trg_habits_set_updated_at on public.habits;
+create trigger trg_habits_set_updated_at
+before update on public.habits
+for each row execute function public.set_updated_at();
+
+-- Row Level Security
+alter table public.habits enable row level security;
+
+-- Policies: each user can only access their own rows
+drop policy if exists habits_select on public.habits;
+create policy habits_select on public.habits
+for select using (auth.uid() = user_id);
+
+drop policy if exists habits_insert on public.habits;
+create policy habits_insert on public.habits
+for insert with check (auth.uid() = user_id);
+
+drop policy if exists habits_update on public.habits;
+create policy habits_update on public.habits
+for update using (auth.uid() = user_id) with check (auth.uid() = user_id);
+
+drop policy if exists habits_delete on public.habits;
+create policy habits_delete on public.habits
+for delete using (auth.uid() = user_id);