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

:root {
  --background: #f5f6fa;
  --card: #ffffff;
  --text: #202124;
  --muted: #70757a;
  --primary: #e30613;
  --primary-dark: #b8040f;
  --correct: #22a447;
  --misplaced: #e5a900;
  --absent: #747474;
  --border: #d9dce2;
}

body {
  min-height: 100vh;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px;
}

.game {
  width: 100%;
  max-width: 560px;
  background: var(--card);
  border-radius: 18px;
  padding: 25px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
}

.header {
  text-align: center;
  margin-bottom: 20px;
}

.header h1 {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: 3px;
}

.header h1 span {
  color: var(--primary);
}

.header p {
  color: var(--muted);
  margin-top: 6px;
  font-size: 15px;
}

.info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.info strong {
  font-size: 24px;
}

.info small {
  color: var(--muted);
  font-size: 14px;
}

.restart-btn {
  border: none;
  background: var(--primary);
  color: white;
  padding: 10px 15px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
}

.restart-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.restart-btn:active {
  transform: scale(0.97);
}

.board {
  display: grid;
  grid-template-rows: repeat(6, 1fr);
  gap: 7px;
  width: 100%;
  max-width: 470px;
  margin: 0 auto 18px;
}

.row {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 5px;
}

.cell {
  aspect-ratio: 1 / 1;
  border: 2px solid var(--border);
  border-radius: 6px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: clamp(14px, 4vw, 25px);
  font-weight: 900;
  text-transform: uppercase;
  background: white;
  transition: background 0.2s, color 0.2s, border 0.2s, transform 0.15s;
}

.cell.filled {
  border-color: #969ba2;
  transform: scale(1.02);
}

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

.cell.misplaced {
  background: var(--misplaced);
  border-color: var(--misplaced);
  color: white;
}

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

.cell.reveal {
  animation: reveal 0.4s ease;
}

@keyframes reveal {
  0% { transform: rotateX(0); }
  50% { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}

.message {
  min-height: 42px;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 10px;
}

.message.success { color: var(--correct); }
.message.error { color: var(--primary); }

.keyboard {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 15px;
}

.keyboard-row {
  display: flex;
  justify-content: center;
  gap: 5px;
}

.key {
  flex: 1;
  min-width: 0;
  height: 46px;
  border: none;
  border-radius: 6px;
  background: #e9ebef;
  color: #202124;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s, transform 0.1s;
}

.key:hover { background: #dfe1e6; }
.key:active { transform: scale(0.94); }
.key.wide { flex: 1.5; font-size: 13px; }
.key.correct { background: var(--correct); color: white; }
.key.misplaced { background: var(--misplaced); color: white; }
.key.absent { background: var(--absent); color: white; }

.legend {
  border-top: 1px solid #eee;
  margin-top: 20px;
  padding-top: 15px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.legend div {
  display: flex;
  align-items: center;
  gap: 8px;
}

.legend-box {
  width: 15px;
  height: 15px;
  border-radius: 3px;
  display: inline-block;
}

.legend-box.correct { background: var(--correct); }
.legend-box.misplaced { background: var(--misplaced); }
.legend-box.absent { background: var(--absent); }

@media (max-width: 500px) {
  body { padding: 8px; }

  .game {
    padding: 15px 10px;
    border-radius: 12px;
    box-shadow: none;
  }

  .header h1 { font-size: 32px; }
  .header p { font-size: 13px; }

  .info { margin-bottom: 14px; }

  .restart-btn {
    padding: 8px 10px;
    font-size: 12px;
  }

  .board { gap: 5px; }
  .row { gap: 3px; }

  .cell {
    border-width: 1px;
    border-radius: 4px;
  }

  .keyboard { gap: 5px; }
  .keyboard-row { gap: 3px; }

  .key {
    height: 43px;
    font-size: 13px;
    border-radius: 5px;
  }

  .key.wide { font-size: 11px; }
  .legend { font-size: 11px; }
}

@media (max-width: 360px) {
  .game {
    padding-left: 5px;
    padding-right: 5px;
  }

  .key {
    height: 38px;
    font-size: 11px;
  }

  .key.wide { font-size: 9px; }
}