:root {
  --background-color: #050505;
  --smoke-color: #4B0082;

  --border-white: white;

  --alt-text-box: #f0f0f0;
  --alt-text-box-read-only: #e0e0e0;
  --text-white: white;
  --text-black: black;
  --text-hover: grey;

  --button-hover-white: white;

  --confirm-green: green;
  --reject-red: red;
}

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Lato", "Helvetica Neue", Arial, Helvetica, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background-color: transparent;
}

#canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-color: var(--background-color);
  pointer-events: none;
}

.container {
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
}

/* Banner */
.banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 7vh;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 0 20px;
  box-sizing: border-box;

  background: none;
  color: var(--text-white);
  z-index: 1000;
}

.switch-buttons {
  width: 300px;
  height: 40px;
  text-align: center;
  position: relative;
  cursor: pointer;
  transition: .3s ease all;
  border: 1px solid var(--border-white);
  display: flex;
}

button {
  cursor: pointer;
  background: none;
  color: var(--text-white);
  border: 1px solid var(--border-white);
  padding: 6px 12px;
  transition: 0.3s ease;
}

button:focus-visible {
  outline: 2px solid var(--border-white);
  outline-offset: 2px;
}

.active {
  color: var(--text-black);
  background-color: var(--button-hover-white);
  position: absolute;
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
  z-index: -1;
  transition: .3s ease-out all;
}

.switch-button-contribute,
.switch-button-verify {
  display: flex;
  align-items: center;
  justify-content: center;

  background: none;
  width: 50%;
  height: 100%;
  color: var(--text-white);
  border: none;
  transition: .3s ease all;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  padding: 0;
}

.switch-button-contribute:hover,
.switch-button-verify:hover {
  color: var(--text-hover);
  cursor: pointer;
}

.active-case {
  color: var(--text-black);
}

#download-button {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-white);
  font-size: 16px;
  padding: 4px 10px;
}

#download-button:hover {
  background-color: var(--button-hover-white);
  color: var(--text-black);
}

/* Left Panel */
#left-panel {
  margin-right: 2.5vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#card-text {
  font-size: 16px;
  font-weight: bold;
  color: var(--text-white);
}

#card-text:hover {
  text-decoration: underline;
}

#card-link {
  margin-bottom: 10px;
  text-decoration: none;
}

.card-flip-container {
  height: 70vh;
  width: 30vw;
  position: relative;
  perspective: 1200px;
}

.card-flip-inner {
  transform-style: preserve-3d;
  transition: transform 0.5s ease;
}

.card-front {
  top: 0;
  left: 0;
  backface-visibility: hidden;
}

#current-card {
  --rotation: 0deg;
  transition: transform 0.3s ease;
  transform: rotate(var(--rotation));
  display: block;
  max-height: 70vh;
  width: auto;
  visibility: hidden;
}

.card-back {
  position: absolute;
  top: 0;
  left: 0;
  backface-visibility: hidden;
  transform: rotateY(180deg);
}

#reverse-card {
  --rotation: 0deg;
  transform: rotate(var(--rotation));
  display: block;
  max-height: 70vh;
  width: auto;
}

#rotate-button {
  margin-top: 10px;
  margin-bottom: 10px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
}

#rotate-button:hover {
  background-color: var(--button-hover-white);
  color: var(--text-black);
}

/* Right Panel */
#right-panel {
  margin-left: 2.5vw;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#alt-text-label {
  font-size: 16px;
  margin-bottom: 10px;
  color: var(--text-white);
}

#alt-text-box {
  width: 350px;
  max-height: 70vh;
  padding: 10px;
  font-size: 16px;
  margin-bottom: 10px;
  resize: none;
  overflow: auto;
  scrollbar-width: none;
  box-sizing: border-box;
}

#alt-text-box::-webkit-scrollbar {
  display: none;
}

#alt-text-box:read-only {
  background-color: var(--alt-text-box-read-only);
}

.judge-button {
  display: flex;
  gap: 10px;
  font-size: 20px;
  padding: 7px 20px;
}

#submit-button {
  display: flex;
  width: auto;
}

#submit-button:hover {
  background-color: var(--button-hover-white);
  color: var(--text-black);
}

#judge-button-container {
  display: none;
}

#reject-button,
#confirm-button {
  display: inline-block;
  margin-right: 10px;
}

#reject-button:hover {
  background-color: var(--reject-red);
}

#confirm-button:hover {
  background-color: var(--confirm-green);
}

/* Animations */
.spin-out {
  animation: spinOut 1s ease-out forwards;
}

@keyframes spinOut {
  0% {
    transform: rotate(var(--rotation)) scale(1);
    opacity: 1;
  }

  100% {
    transform: rotate(calc(var(--rotation) + 360deg)) scale(0);
    opacity: 0;
  }
}

.spin-in {
  animation: spinIn 1s ease-out forwards;
}

@keyframes spinIn {
  0% {
    transform: rotate(calc(var(--rotation) + 360deg)) scale(0);
    opacity: 0;
  }

  100% {
    transform: rotate(var(--rotation)) scale(1);
    opacity: 1;
  }

}