* {
    box-sizing: border-box;
}

:root {
  --bg: #111827;
  --panel: #1f2937;
  --tile: #111827;
  --tile-border: #374151;
  --text: #f9fafb;
  --muted: #9ca3af;
  --correct: #22c55e;
  --present: #eab308;
  --absent: #4b5563;
  --key: #374151;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, #1f2937 0%, var(--bg) 55%);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.game {
  width: min(520px, 94vw);
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  letter-spacing: 1px;
}

.subtitle {
  margin: 8px 0 10px;
  color: var(--muted);
}

.message {
  min-height: 24px;
  margin: 0 0 14px;
  font-weight: 600;
}

.board {
  display: grid;
  gap: 8px;
  margin: 0 auto 18px;
}

.row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.tile {
  width: min(64px, 16vw);
  aspect-ratio: 1;
  border: 2px solid var(--tile-border);
  background: var(--tile);
  display: grid;
  place-items: center;
  text-transform: uppercase;
  font-weight: 700;
  font-size: clamp(1rem, 4vw, 1.5rem);
}

.tile.filled {
  border-color: #9ca3af;
}

.tile.correct {
  background: var(--correct);
  border-color: var(--correct);
}

.tile.present {
  background: var(--present);
  border-color: var(--present);
  color: #111827;
}

.tile.absent {
  background: var(--absent);
  border-color: var(--absent);
}

.keyboard {
  display: grid;
  gap: 8px;
}

.key-row {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.key {
  border: 0;
  min-width: 32px;
  padding: 10px 8px;
  border-radius: 6px;
  background: var(--key);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
}

.key.large {
  min-width: 58px;
  font-size: 0.72rem;
}

.key.correct {
  background: var(--correct);
}

.key.present {
  background: var(--present);
  color: #111827;
}

.key.absent {
  background: var(--absent);
}

.reset {
  margin-top: 16px;
  border: 0;
  background: #2563eb;
  color: #fff;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
}