index.css

body {
  background-image: url("image/bg.png");
  background-size: cover;
  background-position: center;
}

body {
  background-color: black;
  color: white;
  font-weight: bold;
}

/* 그리드 설계 */
.grid-1 {
  display: grid;
  width: 90vw;
  max-width: 900px;
  margin: 2% auto;
  z-index: 1;

  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  grid-gap: 25px;

  grid-template-areas:
    "t        t       t"
    "d23      d20     d12"
    "d2       d14     d4"
    "d5       d22     d16"
    "d1       d7      d9"
    "d10      d11     d18"
    "d13      d3      d15"
    "d6       d17     d8"
    "d19      d24     d21";
}


@media only screen and (min-width: 500px) {

  .grid-1 {
    /* 너비를 기준으로 높이를 계산 */
    grid-template-columns: repeat(6, 1fr);
    grid-template-areas:
      "t     t     t     d1      d2      d3"
      "t     t     t     d4      d5      d6"
      "t     t     t     d7      d8      d9"
      "d10   d11   d12   d13     d14     d15"
      "d16   d17   d18   d19     d24     d24"
      "d20   d21   d22   d23     d24     d24";
  }

}

/* flex 속성 */
.flex-row {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.item-baseline {
  align-items: baseline;
}

.title {
  display: flex;
  align-items: baseline;
  justify-content: center;

  grid-area: t;
}

.title img {
  width: 90%;
  height: auto;
}

/* 그리드 별 배경 이미지 */
.day-1 {
  grid-area: d1;
  background: url("image/frame/frame1.png");
  background-position: center;
  background-size: cover;

}

.day-1 .back {
  background-image: url("image/card/card-1.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-2 {
  grid-area: d2;
  background: url("image/frame/frame2.png");
  background-position: center;
  background-size: cover;

}

.day-2 .back {
  background-image: url("image/card/card-2.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-3 {
  grid-area: d3;
  background: url("image/frame/frame3.png");
  background-position: center;
  background-size: cover;

}

.day-3 .back {
  background-image: url("image/card/card-3.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-4 {
  grid-area: d4;
  background: url("image/frame/frame4.png");
  background-position: center;
  background-size: cover;

}

.day-4 .back {
  background-image: url("image/card/card-4.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-5 {
  grid-area: d5;
  background: url("image/frame/frame5.png");
  background-position: center;
  background-size: cover;

}

.day-5 .back {
  background-image: url("image/card/card-5.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-6 {
  grid-area: d6;
  background: url("image/frame/frame6.png");
  background-position: center;
  background-size: cover;

}

.day-6 .back {
  background-image: url("image/card/card-6.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-7 {
  grid-area: d7;
  background: url("image/frame/frame7.png");
  background-position: center;
  background-size: cover;

}

.day-7 .back {
  background-image: url("image/card/card-7.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-8 {
  grid-area: d8;
  background: url("image/frame/frame8.png");
  background-position: center;
  background-size: cover;

}

.day-8 .back {
  background-image: url("image/card/card-8.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-9 {
  grid-area: d9;
  background: url("image/frame/frame9.png");
  background-position: center;
  background-size: cover;

}

.day-9 .back {
  background-image: url("image/card/card-9.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-10 {
  grid-area: d10;
  background: url("image/frame/frame10.png");
  background-position: center;
  background-size: cover;

}

.day-10 .back {
  background-image: url("image/card/card-10.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-11 {
  grid-area: d11;
  background: url("image/frame/frame11.png");
  background-position: center;
  background-size: cover;

}

.day-11 .back {
  background-image: url("image/card/card-11.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-12 {
  grid-area: d12;
  background: url("image/frame/frame12.png");
  background-position: center;
  background-size: cover;

}

.day-12 .back {
  background-image: url("image/card/card-12.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-13 {
  grid-area: d13;
  background: url("image/frame/frame13.png");
  background-position: center;
  background-size: cover;

}

.day-13 .back {
  background-image: url("image/card/card-13.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-14 {
  grid-area: d14;
  background: url("image/frame/frame14.png");
  background-position: center;
  background-size: cover;

}

.day-14 .back {
  background-image: url("image/card/card-14.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-15 {
  grid-area: d15;
  background: url("image/frame/frame15.png");
  background-position: center;
  background-size: cover;

}

.day-15 .back {
  background-image: url("image/card/card-15.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-16 {
  grid-area: d16;
  background: url("image/frame/frame16.png");
  background-position: center;
  background-size: cover;

}

.day-16 .back {
  background-image: url("image/card/card-16.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-17 {
  grid-area: d17;
  background: url("image/frame/frame17.png");
  background-position: center;
  background-size: cover;

}

.day-17 .back {
  background-image: url("image/card/card-17.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-18 {
  grid-area: d18;
  background: url("image/frame/frame18.png");
  background-position: center;
  background-size: cover;

}

.day-18 .back {
  background-image: url("image/card/card-18.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-19 {
  grid-area: d19;
  background: url("image/frame/frame19.png");
  background-position: center;
  background-size: cover;

}

.day-19 .back {
  background-image: url("image/card/card-19.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-20 {
  grid-area: d20;
  background: url("image/frame/frame20.png");
  background-position: center;
  background-size: cover;

}

.day-20 .back {
  background-image: url("image/card/card-20.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-21 {
  grid-area: d21;
  background: url("image/frame/frame21.png");
  background-position: center;
  background-size: cover;

}

.day-21 .back {
  background-image: url("image/card/card-21.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-22 {
  grid-area: d22;
  background: url("image/frame/frame22.png");
  background-position: center;
  background-size: cover;

}

.day-22 .back {
  background-image: url("image/card/card-22.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-23 {
  grid-area: d23;
  background: url("image/frame/frame23.png");
  background-position: center;
  background-size: cover;

}

.day-23 .back {
  background-image: url("image/card/card-23.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-24 {
  grid-area: d24;
  background: url("image/frame/frame24.png");
  background-position: center;
  background-size: cover;

}

.day-24 .back {
  background-image: url("image/card/card-24.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

/* door styles */
.grid-1 input {
  display: none;
}

label {
  perspective: 1000px;
  transform-style: preserve-3d;
  cursor: pointer;

  display: flex;
  min-height: 100%;
  width: 100%;
  height: 120px;
}

/* flex 속성 */
.flex-row {
  display: flex;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.item-baseline {
  align-items: baseline;
}

.title {
  display: flex;
  align-items: baseline;
  justify-content: center;

  grid-area: t;
}

.title img {
  width: 90%;
  height: auto;
}

/* 그리드 별 배경 이미지 */
.day-1 {
  grid-area: d1;
  background: url("image/frame/frame1.png");
  background-position: center;
  background-size: cover;

}

.day-1 .back {
  background-image: url("image/card/card-1.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-2 {
  grid-area: d2;
  background: url("image/frame/frame2.png");
  background-position: center;
  background-size: cover;

}

.day-2 .back {
  background-image: url("image/card/card-2.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-3 {
  grid-area: d3;
  background: url("image/frame/frame3.png");
  background-position: center;
  background-size: cover;

}

.day-3 .back {
  background-image: url("image/card/card-3.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-4 {
  grid-area: d4;
  background: url("image/frame/frame4.png");
  background-position: center;
  background-size: cover;

}

.day-4 .back {
  background-image: url("image/card/card-4.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-5 {
  grid-area: d5;
  background: url("image/frame/frame5.png");
  background-position: center;
  background-size: cover;

}

.day-5 .back {
  background-image: url("image/card/card-5.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-6 {
  grid-area: d6;
  background: url("image/frame/frame6.png");
  background-position: center;
  background-size: cover;

}

.day-6 .back {
  background-image: url("image/card/card-6.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-7 {
  grid-area: d7;
  background: url("image/frame/frame7.png");
  background-position: center;
  background-size: cover;

}

.day-7 .back {
  background-image: url("image/card/card-7.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-8 {
  grid-area: d8;
  background: url("image/frame/frame8.png");
  background-position: center;
  background-size: cover;

}

.day-8 .back {
  background-image: url("image/card/card-8.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-9 {
  grid-area: d9;
  background: url("image/frame/frame9.png");
  background-position: center;
  background-size: cover;

}

.day-9 .back {
  background-image: url("image/card/card-9.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-10 {
  grid-area: d10;
  background: url("image/frame/frame10.png");
  background-position: center;
  background-size: cover;

}

.day-10 .back {
  background-image: url("image/card/card-10.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-11 {
  grid-area: d11;
  background: url("image/frame/frame11.png");
  background-position: center;
  background-size: cover;

}

.day-11 .back {
  background-image: url("image/card/card-11.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-12 {
  grid-area: d12;
  background: url("image/frame/frame12.png");
  background-position: center;
  background-size: cover;

}

.day-12 .back {
  background-image: url("image/card/card-12.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-13 {
  grid-area: d13;
  background: url("image/frame/frame13.png");
  background-position: center;
  background-size: cover;

}

.day-13 .back {
  background-image: url("image/card/card-13.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-14 {
  grid-area: d14;
  background: url("image/frame/frame14.png");
  background-position: center;
  background-size: cover;

}

.day-14 .back {
  background-image: url("image/card/card-14.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-15 {
  grid-area: d15;
  background: url("image/frame/frame15.png");
  background-position: center;
  background-size: cover;

}

.day-15 .back {
  background-image: url("image/card/card-15.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-16 {
  grid-area: d16;
  background: url("image/frame/frame16.png");
  background-position: center;
  background-size: cover;

}

.day-16 .back {
  background-image: url("image/card/card-16.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-17 {
  grid-area: d17;
  background: url("image/frame/frame17.png");
  background-position: center;
  background-size: cover;

}

.day-17 .back {
  background-image: url("image/card/card-17.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-18 {
  grid-area: d18;
  background: url("image/frame/frame18.png");
  background-position: center;
  background-size: cover;

}

.day-18 .back {
  background-image: url("image/card/card-18.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-19 {
  grid-area: d19;
  background: url("image/frame/frame19.png");
  background-position: center;
  background-size: cover;

}

.day-19 .back {
  background-image: url("image/card/card-19.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-20 {
  grid-area: d20;
  background: url("image/frame/frame20.png");
  background-position: center;
  background-size: cover;

}

.day-20 .back {
  background-image: url("image/card/card-20.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-21 {
  grid-area: d21;
  background: url("image/frame/frame21.png");
  background-position: center;
  background-size: cover;

}

.day-21 .back {
  background-image: url("image/card/card-21.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-22 {
  grid-area: d22;
  background: url("image/frame/frame22.png");
  background-position: center;
  background-size: cover;

}

.day-22 .back {
  background-image: url("image/card/card-22.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-23 {
  grid-area: d23;
  background: url("image/frame/frame23.png");
  background-position: center;
  background-size: cover;

}

.day-23 .back {
  background-image: url("image/card/card-23.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

.day-24 {
  grid-area: d24;
  background: url("image/frame/frame24.png");
  background-position: center;
  background-size: cover;

}

.day-24 .back {
  background-image: url("image/card/card-24.png");
  background-position: center;
  background-size: cover;
  border-radius: 10px;
}

/* door styles */
.grid-1 input {
  display: none;
}

label {
  perspective: 1000px;
  transform-style: preserve-3d;
  cursor: pointer;

  display: flex;
  min-height: 100%;
  width: 100%;
  height: 120px;
}

/* .date-num {
  font-size: 20px;
  margin: 10px;
  position: relative;
  z-index: 1;
} */

/* 확대 및 회전 애니메이션 */
@keyframes zoomAndRotate {
  from {
    transform: scale(0) rotateY(0deg);
  }

  to {
    transform: scale(1) rotateY(360deg);
  }
}

/* 애니메이션 적용 */
.zoomIn {
  animation: zoomAndRotate 0.5s ease forwards;
}


.hidden {
  visibility: hidden;
}

.modal {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  flex-direction: column;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
}

.modal-content {
  width: 340px;
  height: 347px;
  padding: 20px;
  background-color: white;
  border-radius: 8px;
  text-align: center;
  overflow: hidden;
  box-sizing: border-box;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* 이미지와 텍스트가 있는 카드를 위한 스타일 */
.modal-content div {
  background-size: cover;
  background-position: center;
  border-radius: 12px;
}

.modal-content p {
  width: 300px;
  color: black;
  margin-top: 30px;
  margin-bottom: 0;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  font-weight: bold;
  font-size: 17px;
  word-break: keep-all;
}

/* 카드 앞면 */
.door {
  width: 100%;
  transform-style: preserve-3d;
  transition: all 300ms;
  border-radius: 10px;
}

.date-num {
  position: absolute;
  top: 12px;
  left: 12px;
  color: white;
}

/* 카드 뒷면 */
.door div {
  position: absolute;
  height: 100%;
  width: 100%;
  backface-visibility: hidden;

  border-radius: 6px;
  font-size: 1.2em;
  font-weight: bold;
  text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.2);
}

/* 카드 뒤집기 애니메이션 */
.door .back {
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  transform: rotateY(180deg);
}

:checked+.door {
  transform: rotateY(180deg);
}