@import url('https://fonts.googleapis.com/css2?family=Noto+Emoji:wght@300..700&display=swap');

body {
  overflow: hidden;
}

:root {
  --base-width: 14.85cm;
  --base-height: 21cm;
  --scale: calc(3.5 / 4);
  --scale-1: 1.2;
  --scale-2: 1.55;
  --scale-3: 1.8;
}

/* core css */

.ui-book .ui-btn, .ui-btn-static, .ui-slider {
  box-sizing: border-box;
}

.paper {
    display: block;
    
    min-width: 21cm;
    height: 29.7cm;
    margin: 1em;
    padding: 1in;
    background-color: white;
    border: 1px solid #c6c6c6;
    font-family: 'TH SarabunPSK', sans-serif;
    color: black;
    font-size: 20px;
    box-shadow: 0px 5px 15px #00000080;
}

.paper p {
    margin: 0px; 
}

.paper::selection {
    background-color: #c6c6c6;
    color: black;
}

@media only screen and (max-width: 830px) {
    .paper {
        margin: 0px;
        padding: 1em;
        min-width: 0;
        width: 100%;
        height: auto;
    }
}

@media only screen and (max-width: 620px) {
    #back {
        margin-top: 5px !important;
        float: none !important;
    }
}

.ui-btn, .ui-btn-static {
    display: flex;
    background-color: #dbb9af00;
    gap: 2px;
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: 5px;
    cursor: pointer;
    
    filter: drop-shadow(0px 0px 0px #ffffff00);

    color: white;
    justify-content: center;
    text-align: center;
    font-size: 1.2em;
    
    transition: 0.2s ease;
}

.ui-btn-static {
    cursor: default;
}

.ui-w-num {
    padding: 7px;
}

.ui-btn:hover {
    background-color: #dbb9af10;
}

.ui-btn:active {
    background-color: #dbb9af20;
    transition: 0s ease;
    
    filter: drop-shadow(0px 0px 2px #ffffff80);
}

.ui-book {
  position: relative;
  left: calc(14.85cm / 2.28 + 5px);
}

.ui-b-c {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.volplayer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

#volcontrol {
    display: flex;
    gap: 2px;
}

.ui-book #volcontrol {
    flex-direction: column;
}

.ui-slider {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
    background-color: #dbb9af00;
    width: 30px;
    
    flex-shrink: 0;
    border-radius: 5px;
    
    filter: drop-shadow(0px 0px 0px #ffffff00);
    
    transition: 0.2s ease;
}

.ui-slider input {
    -webkit-appearance: none;
    background: linear-gradient(to top, white var(--val, 50%), #ffffff40 var(--val, 50%));
    outline: none;
    border-radius: 5px;
    transition: 0.2s ease;
    margin-bottom: 5px;
}

.ui-slider input:hover {
    background: linear-gradient(to top, white var(--val, 50%), #ffffff60 var(--val, 50%));
    box-shadow: 0px 0px 5px #ffffff40;
}

.ui-slider input::-webkit-slider-thumb {
    -webkit-apperance: none;
    appearance: none;
    width: 2px;
    height: 2px;
    border-radius: 50%;
    transform: scale(8);
    background: #ffffff;
    cursor: pointer;
    margin-top: -4px; 
}

.ui-slider input::-webkit-slider-thumb:hover {
    box-shadow: 0px 0px 5px #ffffff;
}

.ui-book .ui-btn, .ui-btn-static, .ui-slider {
  background-color: #00000024;
  backdrop-filter: blur(10px);
}

.ui-btn-num {
    text-align: center;
    font-size: 0.4em;
    color: #ffffff80;
    line-height: 15px;
}

.ui-book .ui-btn:hover {
  background-color: #dbb9af10;
  transition: 0s ease;
}

.ui-book .ui-slider input {
    writing-mode: vertical-lr;
    direction: rtl;
}

.ui-freestyle-text {
  width: auto;
  height: auto;
  cursor: default;
}

.ui-freestyle-text .ui-btn-num {
  color: white;
  margin: 10px !important;
}

/*.ui-freestyle-text {*/
/*  pointer-events: none; */
/*}*/

.ui-ft-hang {
  position: absolute; 
}

.ui-freestyle-text:hover {
  background-color: #00000024 !important; 
}

.ui-freestyle-text:active {
  box-shadow: none !important;
  filter: none !important;
}

.keyboard {
    background-image: url('https://siwakornpc.neocities.org/images/icon-keyboard.png');
    transition: background-image 0s, opacity 0.5s ease;
}

.vol0 {
    background-image: url('https://siwakornpc.neocities.org/images/icon-vol0.png');
}

.vol1 {
    background-image: url('https://siwakornpc.neocities.org/images/icon-vol1.png');
}

.vol2 {
    background-image: url('https://siwakornpc.neocities.org/images/icon-vol2.png');
}

.volno {
    background-image: url('https://siwakornpc.neocities.org/images/icon-volno.png');
}

.plus {
    background-image: url('https://siwakornpc.neocities.org/images/icon-plus.png');
}

.minus {
    background-image: url('https://siwakornpc.neocities.org/images/icon-minus.png');
}

.play {
    background-image: url('https://siwakornpc.neocities.org/images/icon-play.png');
}

.pause {
    background-image: url('https://siwakornpc.neocities.org/images/icon-pause.png');
}

.mag {
    background-image: url('https://siwakornpc.neocities.org/images/icon-mag.png');
}

.key-help {
    background-image: url('https://siwakornpc.neocities.org/images/icon-key.png');
}

.ui-btn-disabled, .ui-book .ui-btn-disabled {
    background-color: transparent;
    pointer-events: none;
    backdrop-filter: blur(0px);
    text-shadow: 0 0 5px #000;
    opacity: 0.5;
}

.ui-e-indi {
    display: flex;
    justify-content: center;
    background-color: #00000024;
    width: max-content;
    margin: auto;
    padding: 5px 10px;
    border-radius: 5px;
    backdrop-filter: blur(10px);
    color: white;
    text-shadow: 0 0 5px #00000080;
}

#indi {
    position: absolute;
    bottom: 80px;
    display: flex;
    width: 100%;
    justify-content: center;
    pointer-events: none;
    user-select: none;
    transition: 0.2s ease;
    z-index: 240008;
}

/* additional css */

.book {
  position: relative;
  display: flex;
  justify-content: center;
  background-color: transparent;
  margin: 40px auto;
  width: calc(var(--base-width) * var(--scale));
  height: calc(var(--base-height) * var(--scale));
  perspective: 2000px;
  transition: transform 0.5s ease;
}

.e-book {
  position: relative;
  display: flex;
  justify-content: center;
  perspective: 2000px;
  will-change: transform;
  transition: transform 0.1s ease;
}

.book.l-center {
  transform: translateX(50%);
}

.book.r-center {
  transform: translateX(100%);
}

.ui-book {
  transition: transform 0.5s ease;
}

.ui-book.r-center {
  transform: translateX(calc(-1 * var(--base-width) * var(--scale)));
}

.page {
  position: absolute;
  width: calc(var(--base-width) * var(--scale));
  height: calc(var(--base-height) * var(--scale));
  background-color: #c0c0c0;
  transform-style: preserve-3d;
  transform-origin: left center;
  transition: transform 0.5s ease;
}

.pageWebtoon {
  position: relative;
  width: calc(var(--base-width) * var(--scale));
  height: calc(var(--base-height) * var(--scale));
  background-color: #c0c0c0;
}

.webtoon {
  display: none;
  position: relative;
  box-shadow: 0px 0px 20px 10px white, 0px 0px 10px 10px white;
}

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

.front,
.back {
  position: absolute;
  width: 100%;
  height: 100%;
  overflow: hidden;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

.back {
  transform: rotateY(180deg);
}

img {
  border-radius: 0px;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page img:hover {
  filter: brightness(1.1);
  cursor: pointer;
}

.page:hover {
  box-shadow: 0px 0px 15px #fffc;
}

.p-left {
  object-position: left center;
}

.p-right {
  object-position: right center;
}

.page.flipped {
  transform: rotateY(-180deg);
}

/* ui book */

#volcontrol, #zoomcontrol, #helpbox {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

#volcontrol.visible {
  max-height: 400px;
  transform: translate(0);
}

#zoomcontrol.visible {
  max-height: 150px;
  transform: translate(0);
}

.not-used {
  pointer-events: none;
  opacity: 0.5;
}

.not-used > .ui-btn,
.not-used .ui-btn-static {
  opacity: 0.5;
}


@media only screen and 
  (max-width: 1070px) and (min-height: 860px),
  (max-width: 900px) and (min-height: 750px),
  (max-width: 700px) /* and (min-height: 620px) */ {
  
  body {
    overflow: auto;
  }

  .book {
    height: auto;
    width: auto;
    transform: none !important;
  }

  .e-book {
    display: none;
  }

  .page {
    display: none;
  }

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

  .book.l-center,
  .book.r-center {
    transform: translateX(0%);
  }

  .ui-book {
    position: sticky;
    top: calc(20px + 85px);
    margin-left: 10px;
    z-index: 2400000;
  }

  .ui-book.r-center {
    transform: translateX(0%) !important;
  }

  #indi {
      display: none;
  }
}

@media only screen and (max-width: 590px) {
  .pageWebtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-1));
    height: calc(var(--base-height) * var(--scale) / var(--scale-1));
  }
  
  .webtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-1));
  }

  .ui-book {
    left: calc(var(--base-width) / 2.28 / var(--scale-1) + 5px);
  }
}

@media only screen and (max-width: 510px) {
  .pageWebtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-2));
    height: calc(var(--base-height) * var(--scale) / var(--scale-2));
  }
  
  .webtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-2));
  }

  .ui-book {
    left: calc(var(--base-width) / 2.28 / var(--scale-2) + 10px);
  }
}

@media only screen and (max-height: 860px) {
  .book {
    height: calc(var(--base-height) * var(--scale) / var(--scale-1));
  }

  .page {
    width: calc(var(--base-width) * var(--scale) / var(--scale-1));
    height: calc(var(--base-height) * var(--scale) / var(--scale-1));
  }

  .book.l-center {
    transform: translateX(calc(50% / var(--scale-1)));
  }

  .book.r-center {
    transform: translateX(calc(100% / var(--scale-1)));
  }

  .ui-book {
    left: calc(var(--base-width) / 2.28 / var(--scale-1) + 5px);
  }

  .ui-book.r-center {
    transform: translateX(calc(-1 * var(--base-width) * var(--scale) / var(--scale-1)));
  }
}

@media only screen and (max-height: 750px) {
  .book {
    height: calc(var(--base-height) * var(--scale) / var(--scale-2));
  }

  .page {
    width: calc(var(--base-width) * var(--scale) / var(--scale-2));
    height: calc(var(--base-height) * var(--scale) / var(--scale-2));
  }

  .book.l-center {
    transform: translateX(calc(50% / var(--scale-2)));
  }

  .book.r-center {
    transform: translateX(calc(100% / var(--scale-2)));
  }

  .ui-book {
    left: calc(var(--base-width) / 2.28 / var(--scale-2) + 5px);
  }

  .ui-book.r-center {
    transform: translateX(calc(-1 * var(--base-width) * var(--scale) / var(--scale-2)));
  }
}

/*@media only screen and (max-height: 620px) {*/
/*  .book {*/
/*    height: calc(var(--base-height) * var(--scale) / var(--scale-3));*/
/*  }*/

/*  .page {*/
/*    width: calc(var(--base-width) * var(--scale) / var(--scale-3));*/
/*    height: calc(var(--base-height) * var(--scale) / var(--scale-3));*/
/*  }*/

/*  .book.l-center {*/
/*    transform: translateX(calc(50% / var(--scale-3)));*/
/*  }*/

/*  .book.r-center {*/
/*    transform: translateX(calc(100% / var(--scale-3)));*/
/*  }*/

/*  .ui-book {*/
/*    left: calc(var(--base-width) / 2 / var(--scale-3) + 10px);*/
/*  }*/
/*}*/

@media only screen and (max-width: 1070px) and (max-height: 860px) {
  .book {
    height: auto;
  }
  
  .pageWebtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-1));
    height: calc(var(--base-height) * var(--scale) / var(--scale-1));
  }
  
  .webtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-1));
  }
}

@media only screen and (max-width: 900px) and (max-height: 750px) {
  .pageWebtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-2));
    height: calc(var(--base-height) * var(--scale) / var(--scale-2));
  }
  
  .webtoon {
    width: calc(var(--base-width) * var(--scale) / var(--scale-2));
  }
}

/*@media only screen and (max-width: 700px) and (max-height: 620px) {*/
/*  .pageWebtoon {*/
/*    width: calc(var(--base-width) * var(--scale) / var(--scale-3));*/
/*    height: calc(var(--base-height) * var(--scale) / var(--scale-3));*/
/*  }*/
/*}*/

.pressed {
  background-color: #dbb9af20 !important;
  filter: drop-shadow(0px 0px 2px #ffffff80);
}
  
.zoomed {
  transform: scale(1.5);
}

.e-book.zoomed.l-center {
  transform: scale(1.5) translateX(8.6vh);
}

.e-book.zoomed.r-center {
  transform: scale(1.5) translateX(17.2vh);
}

.notoify {
  font-family: "Noto Emoji", sans-serif;
  font-size: 0.9em;
  font-weight: 700;
  text-shadow: 0 0 1px #fff, 0 0 1px #fff, 0 0 1px #fff, 0 0 1px #fff;
  line-height: 30px;
}
  
#indi {
  opacity: 0;
  transform: translate(0);
}

#indi.visible {
  opacity: 1;
  transition: 0s ease;
}
  
.key-label {
  display: inline-block;
  background-color: #00000020;
  font-size: 0.8em;
  font-weight: bold;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  border: 1px solid #ffffff80;
  text-align: center;
  margin: 2px;
  line-height: 18px;
  box-shadow: 0 0 5px #00000080;
}
  
#helpbox.visible {
  max-height: 200px;
  transform: translate(0);
}