:root {
  --color-bg: #fff;
  --color-text: #000;
  --color-link: #222;

  --color-surface: #eee;
  --color-surface-focus: #f9f9f9;
  --color-border: #888;

  --btn-bg: #bbb;
  --btn-bg-hover: #ddd;
  --btn-border: #888;
  --btn-shadow: #ccc;

  --footer-bg: #aaa;
  --header-bg: #ddd;
}

[data-theme="dark"] {
  --color-bg: #121212;
  --color-text: #e0e0e0;
  --color-link: #a0a0a0;

  --color-surface: #1e1e1e;
  --color-surface-focus: #2d2d2d;
  --color-border: #444;

  --btn-bg: #333;
  --btn-bg-hover: #444;
  --btn-border: #555;
  --btn-shadow: #222;

  --footer-bg: #1a1a1a;
  --header-bg: #101010;

}

@keyframes btn-mobile-focus {
  0% {
    background-color: var(--btn-bg);
  }

  50% {
    background-color: var(--btn-bg-hover);
  }

  100% {
    background-color: var(--btn-bg);
  }
}

* {
  transition: all 0.5s ease;
}

body {
  font-family: system-ui, -apple-system, 'Roboto', sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
}

.btn-material {
  font-family: system-ui, -apple-system, 'Roboto', sans-serif;
  font-size: large;
  border-color: var(--btn-border);
  background-color: var(--btn-bg);
  color: var(--color-text);
  padding: 16px;
  border-style: none;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 500;
  box-shadow: 3px 3px 3px var(--btn-shadow);
}

@media (pointer: fine) {
  .btn-material:hover {
    background-color: var(--btn-bg-hover);
    box-shadow: none;
  }
}

@media (pointer: coarse) {
  .btn-material:hover {
    animation-name: btn-mobile-focus;
    animation-duration: 0.4s;
  }
}

.btn-material {
  -webkit-tap-highlight-color: transparent;
}

.input-names-area {
  font-family: system-ui, -apple-system, 'Roboto', sans-serif;
  font-size: large;
  border-style: solid;
  border-color: var(--color-border);
  border-radius: 20px;
  width: 100%;
  height: 400px;
  background-color: var(--color-surface);
  color: var(--color-text);
  resize: none;
  padding: 20px;
}

.input-names-area:focus {
  outline: none;
  background-color: var(--color-surface-focus);
}

.player-list-card {
  width: 100%;
  border-radius: 20px;
  padding: 0px 16px;
  background-color: var(--color-surface);
}

.hidden {
  display: none !important;
}

.game-area {
  visibility: hidden;
  width: 75%;
  margin-inline: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 20px;
}

#word-area {
  z-index: 1;
  width: 50%;
  height: 50%;
  border-width: thin;
  border-radius: 20px;
  border-color: var(--color-border);
  background-color: var(--color-bg);
  color: var(--color-text);
}

.word-area-content {
  display: flex;
  gap: 40px;
  align-items: center;
  justify-content: space-evenly;
  flex-direction: column;
  height: 100%;
}

.page-footer {
  position: static;
  margin-top: 16px;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 16px;
  background-color: var(--footer-bg);
  text-align: center;
  box-sizing: border-box;
}

.page-footer a {
  color: var(--color-link);
}

.site-header {
  display: flex;
  align-items: center;
  flex-direction: row;
  justify-content: space-evenly;
  padding: 8px 16px;
  margin-bottom: 16px;
  background-color: var(--header-bg);
}