:root {
  --bg-color: #f8f6f1;
  --main-color: #4db07a;
  --caret-color: #3fa06a;
  --sub-color: #a8c4b8;
  --sub-alt-color: #e8f0ea;
  --text-color: #2d3d32;
  --error-color: #e88a8a;
  --error-extra-color: #c46b6b;
  --colorful-error-color: #e88a8a;
  --colorful-error-extra-color: #c46b6b;
  --roundness: 1rem;
  --surface-color: color-mix(in srgb, var(--bg-color) 92%, #ffffff 8%);
  --surface-strong: color-mix(in srgb, var(--bg-color) 78%, #d8e8dc 22%);
  --shadow-soft: 0 20px 55px color-mix(in srgb, var(--main-color) 15%, transparent);
  --shadow-lift: 0 12px 32px color-mix(in srgb, var(--text-color) 8%, transparent);
  --border-soft: 1px solid color-mix(in srgb, var(--main-color) 28%, transparent);
  --glass-bg: color-mix(in srgb, var(--surface-color) 92%, transparent);
}

body {
  background:
    radial-gradient(
      130% 80% at 10% 15%,
      color-mix(in srgb, var(--main-color) 12%, transparent),
      transparent
    ),
    radial-gradient(
      100% 80% at 90% 5%,
      color-mix(in srgb, var(--sub-color) 16%, transparent),
      transparent
    ),
    radial-gradient(
      150% 100% at 85% 85%,
      color-mix(in srgb, var(--main-color) 10%, transparent),
      transparent
    ),
    radial-gradient(
      80% 60% at 50% 100%,
      color-mix(in srgb, #c9e4d4 25%, transparent),
      transparent
    ),
    linear-gradient(
      145deg,
      color-mix(in srgb, var(--bg-color) 95%, #ffffff 5%),
      color-mix(in srgb, var(--bg-color) 85%, #e5efe8 15%)
    );
  color: var(--text-color);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    120% 80% at 30% 80%,
    color-mix(in srgb, var(--main-color) 12%, transparent),
    transparent
  );
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
}

#app {
  gap: 2.25rem;
  padding-top: 3rem;
  padding-bottom: 3rem;
}

header,
footer {
  background: var(--glass-bg);
  border: var(--border-soft);
  border-radius: 1.1rem;
  box-shadow: var(--shadow-soft);
  padding: 0.85rem 1.5rem;
  backdrop-filter: blur(14px);
}

body #words {
  --untyped-letter-color: var(--sub-color) !important;
  --correct-letter-color: var(--main-color) !important;
  --incorrect-letter-color: var(--error-color) !important;
  --extra-letter-color: var(--error-extra-color) !important;
}

body #words .word letter.correct,
body #words .word letter.corrected {
  font-weight: 700;
  color: var(--main-color) !important;
  border-bottom-color: var(--main-color);
  text-shadow: 0 0 0.35em color-mix(in srgb, var(--main-color) 30%, transparent);
}

nav {
  align-items: center;
  gap: 0.75rem;
}

nav .textButton {
  color: var(--text-color);
  background: linear-gradient(
      135deg,
      color-mix(in srgb, var(--surface-color) 90%, var(--main-color) 10%),
      color-mix(in srgb, var(--surface-color) 75%, var(--main-color) 25%)
    )
    padding-box;
  border-radius: 999px;
  padding: 0.6em 0.95em;
  box-shadow:
    0 12px 32px color-mix(in srgb, var(--main-color) 28%, transparent),
    0 6px 14px color-mix(in srgb, var(--text-color) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--main-color) 35%, transparent);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

nav .textButton:hover {
  transform: translateY(-2px);
  box-shadow:
    0 18px 40px color-mix(in srgb, var(--main-color) 36%, transparent),
    0 10px 22px color-mix(in srgb, var(--text-color) 12%, transparent);
  border-color: color-mix(in srgb, var(--main-color) 55%, transparent);
  background: linear-gradient(
      135deg,
      color-mix(in srgb, var(--surface-color) 88%, var(--main-color) 18%),
      color-mix(in srgb, var(--surface-color) 70%, var(--main-color) 45%)
    )
    padding-box;
}

nav .textButton .icon {
  width: 2.25em;
  height: 2.25em;
  background: color-mix(in srgb, var(--surface-color) 60%, transparent);
  border-radius: 0.9em;
  display: grid;
  place-items: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
  color: var(--text-color);
}

.pageSettings .section,
.pageAccount .section,
.pageProfile .section,
.pageLeaderboards .section,
.pageFriends .section,
.pageAbout .section,
.pageTest #testConfig,
.pageTest #typingTest,
.pageTest #result,
.pageTest #testInitFailed .message {
  background: var(--glass-bg);
  border: var(--border-soft);
  border-radius: 1.1rem;
  box-shadow: var(--shadow-lift);
  padding: 1.25rem;
}

.pageSettings .section .buttons,
.pageSettings .settingsGroup.quickNav .links {
  background: color-mix(in srgb, var(--surface-color) 80%, transparent);
  border-radius: 0.9rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

input,
select,
textarea,
button,
.button {
  border-radius: calc(var(--roundness) * 1.1);
  border-color: color-mix(in srgb, var(--main-color) 35%, transparent);
  background: color-mix(in srgb, var(--surface-color) 85%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease;
}

button:hover,
.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--main-color) 24%, transparent);
  border-color: color-mix(in srgb, var(--main-color) 55%, transparent);
}