* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-size: cover;
  background-position: center;
}

body {
  margin: 0;
  background-image: url("./img/bg.png");
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 372px;
  padding: 20px 10px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.calendar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.banner {
  background-image: url("./img/pickGift.svg");
  color: white;
  font-size: 18px;
  font-weight: bold;
  height: 108px;
  width: calc(2 * 108px + 10px);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  text-align: center;
}

.day {
  width: 108px;
  height: 108px;
  font-size: 24px;
  font-weight: bold;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-size: cover;
  background-position: center;
  position: relative;
  opacity: 1;
  cursor: pointer;
}

.first {
  background-image: url("./img/1.svg");
}
.second {
  background-image: url("./img/2.svg");
}
.third {
  background-image: url("./img/3.svg");
}
.fourth {
  background-image: url("./img/4.svg");
}
.fifth {
  background-image: url("./img/5.svg");
}
.sixth {
  background-image: url("./img/6.svg");
}
.seventh {
  background-image: url("./img/7.svg");
}
.eighth {
  background-image: url("./img/8.svg");
}
.ninth {
  background-image: url("./img/9.svg");
}
.tenth {
  background-image: url("./img/10.svg");
}
.eleventh {
  background-image: url("./img/11.svg");
}
.twelfth {
  background-image: url("./img/12.svg");
}

.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: white;
  padding: 20px 30px;
  border-radius: 12px;
  text-align: center;
  max-width: 300px;
  position: relative;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  height: 35vh;
  width: 57vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 37px;
}

.close {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 24px;
  font-weight: bold;
  color: #333;
  cursor: pointer;
}

.used {
  position: relative;
}

.used::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
}

#titlePrize {
  font-weight: 600;
  font-size: 20px;
}

.icon-copy {
  width: 20px;
  height: 20px;
}

.icon-copy:after {
  content: "";
  display: inline-block;
  width: 36px;
  height: 36px;
  background-image: url("./img/Copy2.svg");
  background-size: 20px 20px;
  background-position: center;
  background-repeat: no-repeat;
  cursor: pointer;
  position: absolute;
  right: 10%;
  bottom: 23%;
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.gap-3 {
  gap: 8px;
}

.justify-center {
  justify-content: center;
}

.copy-notify {
  position: absolute;
  bottom: 3%;
  background-color: #333;
  color: white;
  border-radius: 5px;
  font-size: 10px;
  display: none;
  width: 100px;
}

.blue {
  background-color: #ccecfb;
  width: 108px;
  height: 108px;
  border-radius: 10px;
  font-size: 23px;
  line-height: 34px;
  padding-left: 11px;
  font-weight: 600;
}

.day.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  position: relative;
}

.day.disabled::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
}

.faq-container {
  width: calc(100% - 20px);
  max-width: 946px;
  margin-top: 20px;
  margin-bottom: 20px;
  padding: 20px;
  background-color: #fffae6;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.faq-item {
  border-bottom: 1px solid #ddd;
  padding: 10px 0;
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
}

.faq-arrow {
  transition: transform 1.1s ease-in-out;
  display: inline-block;
  font-size: 18px;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  font-size: 16px;
  line-height: 1.4;
  padding-top: 0;
}

.faq-item.active .faq-answer {
  max-height: 3000px;
  padding-top: 10px;
  line-height: 30px;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-question,
.faq-answer {
  font-size: 16px;
}

@media (max-width: 936px) {
  body {
    background-image: url("./img/bg-mobile.png");
  }
  .calendar {
    justify-content: center;
  }
  .faq-question,
  .faq-answer {
    font-size: 13px;
  }
  .faq-container {
    margin-top: 10px;
  }
}