README.md

<title>Smart Calendar</title> <style> * { margin: 0; padding: 0; box-sizing: border-box; font-family: "Poppins", sans-serif; }

body {
  background: linear-gradient(135deg, #0099ff, #6610f2);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.calendar {
  width: 95%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.calendar header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 10px;
}

.calendar button {
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  font-size: 1.3em;
  border-radius: 10px;
  padding: 5px 10px;
  cursor: pointer;
  transition: 0.2s;
}

.calendar button:hover {
  background: rgba(255,255,255,0.3);
}

.days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
  margin-top: 10px;
}

.day {
  text-align: center;
  padding: 10px 0;
  border-radius: 10px;
  transition: 0.2s;
}

.day:hover {
  background: rgba(255,255,255,0.2);
}

.today {
  background: #ff4081;
}

.weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  font-weight: 600;
  margin-bottom: 5px;
}

footer {
  margin-top: 15px;
  font-size: 0.9em;
  opacity: 0.8;
}

</style>

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© 2025 Smart Calendar <script> const monthYear = document.getElementById("month-year"); const daysContainer = document.getElementById("days"); const prevBtn = document.getElementById("prev"); const nextBtn = document.getElementById("next"); let date = new Date(); function renderCalendar() { const year = date.getFullYear(); const month = date.getMonth(); const today = new Date(); const firstDay = new Date(year, month, 1).getDay(); const lastDate = new Date(year, month + 1, 0).getDate(); const monthNames = [ "জানুয়ারি","ফেব্রুয়ারি","মার্চ","এপ্রিল","মে","জুন", "জুলাই","আগস্ট","সেপ্টেম্বর","অক্টোবর","নভেম্বর","ডিসেম্বর" ]; monthYear.textContent = `${monthNames[month]} ${year}`; daysContainer.innerHTML = ""; for (let i = 0; i < firstDay; i++) { const empty = document.createElement("div"); daysContainer.appendChild(empty); } for (let day = 1; day <= lastDate; day++) { const dayEl = document.createElement("div"); dayEl.classList.add("day"); dayEl.textContent = day; if ( day === today.getDate() && month === today.getMonth() && year === today.getFullYear() ) { dayEl.classList.add("today"); } daysContainer.appendChild(dayEl); } } prevBtn.onclick = () => { date.setMonth(date.getMonth() - 1); renderCalendar(); }; nextBtn.onclick = () => { date.setMonth(date.getMonth() + 1); renderCalendar(); }; renderCalendar(); </script>