body {
  /* font-family: "Noto Sans TC", sans-serif; */
  font-family: "Noto Serif SC", serif;
  font-optical-sizing: auto;
  font-style: normal;
  margin: 0;
  padding: 0;
}

.green-audio-player {
  width: 600px;
  max-width: 100%;
  padding: 0;
  margin: 0;
  box-shadow: none;
  -webkit-box-shadow: none;
  background-color: #fff3db;
}
.green-audio-player .slider .gap-progress .pin {
  background-color: #ffc656;
}
.green-audio-player .slider .gap-progress {
  background-color: #ffc656;
}

.green-audio-player .volume {
  display: block !important;
}

.green-audio-player .controls {
  margin-right: 15px !important;
}

.button-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-content: center;
  gap: 1rem;
  width: auto;
  box-sizing: border-box;
  /* margin: 0.5rem; */
  padding-top: 1.5rem;
  background-color: #ffc656;
  border-radius: 6px;
}

.first-back-color {
  background: #ffc656;
}

.sec-back-color {
  background: #fff3db;
}

.cssbuttons-io-button {
  color: black;
  font-family: inherit;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.05em;

  display: inline-flex;
  align-items: center;
  position: relative;
  cursor: pointer;

  height: 2.8em;
  padding: 0.35em 2.8em 0.35em 1em; /* left label space + right icon space */
  border: none;
  border-radius: 0.9em;
  box-shadow: inset 0 0 1.6em -0.6em #fff3db;
  overflow: hidden;
  white-space: nowrap; /* keeps text in one line */
}

.cssbuttons-io-button-disable {
  color: black;
  font-family: inherit;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  position: relative;
  cursor: pointer;
  height: 2.8em;
  padding: 0.35em 1.5em 0.35em 1.5em;
  border: none;
  border-radius: 0.9em;
  box-shadow: inset 0 0 1.6em -0.6em #fff3db;
  overflow: hidden;
  white-space: nowrap;
  pointer-events: none;
}

.cssbuttons-io-button .icon {
  position: absolute;
  right: 0.3em;
  top: 50%;
  transform: translateY(-50%); /* keep icon vertically centered */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.2em;
  width: 2.2em;
  border-radius: 0.7em;
  box-shadow: 0.1em 0.1em 0.6em 0.2em #ffc656;
  transition: all 0.3s;
  z-index: 0; /* make sure it doesn't overlay other sections */
}

.cssbuttons-io-button:hover .icon {
  width: calc(100% - 0.6em);
}

.cssbuttons-io-button .icon svg {
  width: 1.1em;
  color: black;
  transition: transform 0.3s;
}

.cssbuttons-io-button:hover .icon svg {
  transform: translateX(0.1em);
}

.cssbuttons-io-button:active .icon {
  transform: translateY(-50%) scale(0.95);
}

/* 🔁 Reverse button (expands from left → right) */
.cssbuttons-io-button.reverse {
  padding: 0.35em 1.2em 0.35em 3.3em; /* more space on the left for icon */
}

/* Move icon to the left side */
.cssbuttons-io-button.reverse .icon {
  left: 0.3em;
  right: auto;
}

/* Hover expands smoothly left → right */
.cssbuttons-io-button.reverse:hover .icon {
  width: calc(100% - 0.6em);
}

/* Reverse icon motion (slide left instead of right) */
.cssbuttons-io-button.reverse .icon svg {
  width: 1.1em;
  color: black;
  transition: transform 0.3s;
}

.cssbuttons-io-button.reverse:hover .icon svg {
  transform: translateX(-0.1em);
}

/* Keep same active state */
.cssbuttons-io-button.reverse:active .icon {
  transform: translateY(-50%) scale(0.95);
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 3em;
  width: 150px;
  background: #ffc656;
  border: none;
  border-radius: 9999px;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s linear;
  box-shadow: 3px 3px 8px grey, -3px -3px 8px #ffc656;
  font-weight: 600;
  font-size: 1rem;
}

.nav-btn .arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}

.nav-btn:hover {
  box-shadow: 9px 9px 33px grey, -9px -9px 33px transparent;
  transform: translateY(-2px);
}

/* Hover animations for arrows */
.prev-btn:hover .arrow {
  transform: translateX(-6px);
}

.next-btn:hover .arrow {
  transform: translateX(6px);
}

.home-btn:hover .arrow {
  transform: scale(1.2);
}

@media only screen and (max-width: 575px) {
  .button-container {
    justify-content: center;
  }

  .cssbuttons-io-button-disable {
    padding: 0.35em 2em 0.35em 2em;
    height: 3.5em;
  }

  .cssbuttons-io-button {
    padding: 0.35em 3em 0.35em 1.2em;
    height: 3.5em;
  }
  .cssbuttons-io-button .icon {
    height: 3em;
  }
}

@media only screen and (max-width: 600px) {
  .green-audio-player {
    width: auto;
  }
}