add daily reminder notification at 20:00

css/style.css

@@ -926,6 +926,94 @@ footer a:hover {
   opacity: 0.9;
 }
 
+/* ===== DAILY REMINDER TOAST ===== */
+.daily-toast {
+  position: fixed;
+  bottom: 24px;
+  right: 24px;
+  max-width: 380px;
+  background: var(--white);
+  border: 1px solid var(--gray-100);
+  border-radius: 20px;
+  padding: 24px;
+  box-shadow: 0 8px 40px rgba(108, 92, 231, 0.2);
+  z-index: 200;
+  transform: translateY(120%);
+  opacity: 0;
+  transition: all 0.4s ease;
+}
+
+.daily-toast.show {
+  transform: translateY(0);
+  opacity: 1;
+}
+
+.daily-toast .toast-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 12px;
+}
+
+.daily-toast .toast-title {
+  font-size: 16px;
+  font-weight: 800;
+  color: var(--accent);
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.daily-toast .toast-close {
+  background: none;
+  border: none;
+  font-size: 20px;
+  cursor: pointer;
+  color: var(--gray-300);
+  padding: 4px;
+  line-height: 1;
+}
+
+.daily-toast .toast-close:hover {
+  color: var(--ink);
+}
+
+.daily-toast p {
+  font-size: 14px;
+  color: var(--gray-500);
+  margin-bottom: 16px;
+  line-height: 1.5;
+}
+
+.daily-toast .toast-actions {
+  display: flex;
+  gap: 10px;
+}
+
+.daily-toast .toast-actions .btn {
+  font-size: 13px;
+  padding: 10px 18px;
+}
+
+.daily-toast .streak {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 13px;
+  font-weight: 700;
+  color: #e17055;
+  margin-bottom: 12px;
+}
+
+@media (max-width: 480px) {
+  .daily-toast {
+    left: 12px;
+    right: 12px;
+    bottom: 12px;
+    max-width: none;
+  }
+}
+
 /* ===== ANIMATIONS ===== */
 @keyframes fadeInUp {
   from { opacity: 0; transform: translateY(20px); }

js/script.js

@@ -220,6 +220,121 @@ function speakPhrase(btn) {
   setTimeout(function() { btn.innerHTML = '🔊 Hear Phrase'; }, 1500);
 }
 
+// --- Daily Reminder at 20:00 ---
+(function() {
+  var LS_KEY = 'english_easy_daily';
+  var TOAST_SHOWN = false;
+
+  function getToday() {
+    return new Date().toDateString();
+  }
+
+  function getStreak() {
+    var data = JSON.parse(localStorage.getItem(LS_KEY) || '{"streak":0,"lastDate":""}');
+    var yesterday = new Date();
+    yesterday.setDate(yesterday.getDate() - 1);
+    var yesterdayStr = yesterday.toDateString();
+    var today = getToday();
+    if (data.lastDate === today) {
+      // already done today
+    } else if (data.lastDate === yesterdayStr) {
+      // consecutive day
+    } else if (data.lastDate && data.lastDate !== today) {
+      data.streak = 0;
+    }
+    return data;
+  }
+
+  function saveStreak(data) {
+    data.lastDate = getToday();
+    localStorage.setItem(LS_KEY, JSON.stringify(data));
+  }
+
+  function showDailyToast() {
+    if (TOAST_SHOWN) return;
+    TOAST_SHOWN = true;
+
+    var data = getStreak();
+    var existing = document.querySelector('.daily-toast');
+    if (existing) existing.remove();
+
+    var toast = document.createElement('div');
+    toast.className = 'daily-toast';
+
+    var streakHTML = '';
+    if (data.streak > 0) {
+      streakHTML = '<div class="streak">🔥 Day ' + data.streak + ' streak!</div>';
+    }
+
+    toast.innerHTML =
+      '<div class="toast-header">' +
+        '<div class="toast-title">⏰ Daily Practice</div>' +
+        '<button class="toast-close" onclick="this.closest(\'.daily-toast\').remove()">✕</button>' +
+      '</div>' +
+      streakHTML +
+      '<p>It\'s time for your daily English practice! Spend 5 minutes on an exercise or test.</p>' +
+      '<div class="toast-actions">' +
+        '<a href="exercises.html" class="btn" onclick="saveStreakFunc()">Practice Now</a>' +
+        '<button class="btn btn-outline" onclick="this.closest(\'.daily-toast\').remove()">Later</button>' +
+      '</div>';
+
+    document.body.appendChild(toast);
+
+    // trigger animation
+    setTimeout(function() { toast.classList.add('show'); }, 100);
+
+    // also try browser notification
+    if ('Notification' in window && Notification.permission === 'granted') {
+      new Notification('English Easy — Daily Practice', {
+        body: 'Time for your daily English practice! 5 minutes is all you need.',
+        icon: '/images/icon.png'
+      });
+    }
+  }
+
+  // Expose saveStreak for the toast button
+  window.saveStreakFunc = function() {
+    var data = getStreak();
+    data.streak = (data.streak || 0) + 1;
+    saveStreak(data);
+  };
+
+  // Request notification permission
+  function requestNotifPermission() {
+    if ('Notification' in window && Notification.permission === 'default') {
+      Notification.requestPermission();
+    }
+  }
+
+  function checkDailyReminder() {
+    var now = new Date();
+    var hours = now.getHours();
+    var minutes = now.getMinutes();
+    var data = getStreak();
+
+    // Show if it's >= 20:00 and we haven't shown today
+    if (hours >= 20 && data.lastDate !== getToday()) {
+      showDailyToast();
+      return true;
+    }
+    return false;
+  }
+
+  // Check on page load
+  document.addEventListener('DOMContentLoaded', function() {
+    requestNotifPermission();
+    checkDailyReminder();
+
+    // Check every 30 seconds if it's 20:00
+    setInterval(function() {
+      var now = new Date();
+      if (now.getHours() === 20 && now.getMinutes() === 0) {
+        checkDailyReminder();
+      }
+    }, 30000);
+  });
+})();
+
 // --- Vocabulary filter ---
 function filterVocab(category, btn) {
   const rows = document.querySelectorAll('.vocab-row');