style.css

/* Base */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f9f9f9;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  box-sizing: border-box;
  color: #333;
}

h1 {
  font-size: 26px;
  margin: 16px 0;
  color: #222;
  text-align: center;
}

/* Container */
.game-container {
  border: 1px solid #e0e0e0;
  border-radius: 16px;
  padding: 24px;
  background-color: #fff;
  box-shadow: 0 8px 16px rgba(0,0,0,0.05);
  width: 100%;
  max-width: 1100px;
}

/* Controls */
.controls {
  margin: 16px 0;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

button {
  padding: 10px 18px;
  cursor: pointer;
  border: 1px solid #ccc;
  border-radius: 12px;
  font-weight: 500;
  font-size: 15px;
  background-color: #f5f5f5;
  color: #333;
  transition: all 0.2s ease-in-out;
}

button:hover {
  background-color: #eaeaea;
  transform: translateY(-1px);
}

.mode-active {
  border: 2px solid #007aff;
  background-color: #e6f0ff;
  color: #007aff;
}

/* Layout */
.main-layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: start;
}


/* Definitions (Left Column) */
.definitions {
  flex: 1;
  min-width: 200px;
  max-width: 260px;
}

.definitions h2 {
  font-size: 18px;
  margin-bottom: 6px;
  color: #007aff;
}

.definitions p {
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 18px;
  color: #444;
}

/* Grid */
.grid-wrapper {
  width: 400px;
  aspect-ratio: 1 / 1;
  background-color: #f0f0f0;
  border: 2px solid #d0d0d0;
  border-radius: 12px;
  box-shadow: inset 0 0 6px rgba(0,0,0,0.05);
  padding: 8px;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
}

.grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(15, 1fr);
  grid-template-rows: repeat(15, 1fr);
  gap: 2px;
  background-color: #ccc;
  border-radius: 8px;
}

.cell {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-color: #fff;
  cursor: pointer;
  transition: background-color 0.2s ease;
  box-sizing: border-box;
}

.cell:hover {
  background-color: #f0f0f0;
}

.cell.filled {
  background-color: #007aff;
  border: 1px solid #005bb5;
  box-sizing: border-box;
}

/* Stats (Right Column) */
.stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: flex-start;
  align-items: flex-start;
  min-width: 180px;
  flex-shrink: 0;
}

.stat-box {
  background-color: #f2f2f2;
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid #ddd;
}

.stat-value {
  font-size: 20px;
  font-weight: 600;
  color: #444;
}