*,
html,
body{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  font-size: 16px;
  font-family: "Roboto Slap", "serif";
  --background: #e1e1f0;
  --text: #2f2f1f;
  --silver: #c0c0c0;
  --palenight: #292d3e;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--background);
  color: var(--text);
  min-height: 100vh;
}

#author {
  position: absolute;
  top: 0;
  left: 1em;
  color: var(--text);
}

.button-holder {
  margin: 1em;
  display: flex;
  flex-direction: column;
}

button {
  margin: 1em;
  color: var(--text);
  background: var(--silver);
  border-radius: 2em;
  border: 0;
  box-shadow: 0 0 0 0.2ch var(--text);
  font-size: 1.3rem;
  padding: 0.5em 1.2em;
}

button:disabled,
button:disabled:hover,
button:disabled:focus-visible,
button:disabled:focus {
  filter: brightness(20%);
}

button:focus,
button:hover,
button:focus-visible {
  filter: brightness(120%);
  outline: 0;
  animation: button-hover 0.5s ease-in 0s infinite alternate none;
}

@keyframes button-hover {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.1);
  }
}

img {
  max-width: 100px;
  object-fit: cover;
  width: 100%;
  height: 100px;
}

#result,
#notification {
  font-size: 1.1rem;
  text-align: center;
}

@supports (background-clip: text) or (-webkit-background-clip: text) {
  #result,
  #notification {
    animation: sweep 1s ease-in 1s infinite alternate none;
  }
}

@keyframes sweep {
  from {
    background: var(--background);
  }
  to {
    background: rgb(131, 58, 180);
    background: linear-gradient(
      90deg,
      rgba(131, 58, 180, 1) 0%,
      rgba(253, 29, 29, 1) 50%,
      rgba(252, 176, 69, 1) 100%
    );
    color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
  }
}

/* #result current score */
/* #notification result message */

@media (prefers-color-scheme: dark) {
  :root {
    --background: #2e2e1f;
    --text: #e0e0f0;
  }

  button {
    background: var(--palenight);
  }
}

@media only screen and (max-height: 650px) {
  #result {
    margin-top: 2em;
  }
}

@media only screen and (min-width: 768px) {
  .button-holder {
    flex-direction: row;
  }

  img {
    object-fit: scale-down;
    max-width: 150px;
    height: 150px;
  }
}

@media only screen and (min-width: 1155px) {
  :root {
    font-size: 2rem;
  }
  img {
    max-width: 250px;
    height: 250px;
  }
}