html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  color: #222;
  font-family: 'Segoe UI', Arial, sans-serif;
  overflow: hidden;
}

.container {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: none;
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  backdrop-filter: none;
}

h1 {
  text-align: center;
  margin-bottom: 32px;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.quote {
  font-size: 2.4em;
  margin: 0 auto;
  padding: 0.8em 1.2em;
  border: none;
  background: none;
  border-radius: 0.5em;
  box-shadow: none;
  position: relative;
  color: #fff;
  text-align: left;
  text-shadow: 0 2px 16px #4a90e2, 0 0px 2px #fff, 0 1px 8px #bfaaff, 0 0 2px #000;
  max-width: 1140px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  /* Animation state */
  opacity: 1;
  transform: translateZ(0) scale(1);
}

.quote-leave {
  animation: quoteFadeOut 0.41s forwards;
}

.quote-enter {
  animation: quoteFadeIn 0.41s forwards;
}

@keyframes quoteFadeOut {
  0% { opacity: 1; transform: translateZ(0) scale(1); }
  100% { opacity: 0; transform: translateZ(-3.5px) scale(0.99625); }
}

@keyframes quoteFadeIn {
  0% { opacity: 0; transform: translateZ(-3.5px) scale(0.99625); }
  100% { opacity: 1; transform: translateZ(0) scale(1); }
}

.quote:hover {
  background: rgba(255,255,255,0.13);
  box-shadow: 0 2px 16px rgba(74,144,226,0.18);
}

.author {
  display: block;
  text-align: right;
  font-style: italic;
  color: #ffe6a0;
  margin-top: 32px;
  margin-right: 18px;
  font-size: 1.1em;
  text-shadow: 0 1px 8px #4a90e2, 0 0 2px #fff, 0 0 2px #000;
  align-self: flex-end;
}

#bg-toggle {
  display: inline-block;
  position: absolute;
  top: 32px;
  right: 32px;
  left: auto;
  transform: none;
  background: none;
  color: #fff;
  font-size: 1.5em;
  font-family: inherit;
  padding: 0.5em 1.2em;
  border: none;
  border-radius: 0.5em;
  box-shadow: none;
  cursor: pointer;
  text-align: center;
  text-shadow: 0 2px 16px #4a90e2, 0 0px 2px #fff, 0 1px 8px #bfaaff, 0 0 2px #000;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, border 0.2s;
  z-index: 10;
  outline: none;
  border: 2px solid transparent;
}
#bg-toggle:hover, #bg-toggle:focus {
  background: rgba(255,255,255,0.13);
  border: 2px solid #4a90e2;
  box-shadow: 0 2px 16px rgba(74,144,226,0.18);
  color: #fff;
  outline: none;
}