/* Game Board Layout */
.game-container {
    display: grid;
    grid-template-columns: minmax(600px, 3fr) minmax(200px, 1fr) minmax(250px, 1fr);
    gap: 1rem;
    padding: 1rem;
    height: 100vh;
    background-color: var(--background-color);
}

/* Game Board */
.game-board {
    background-color: var(--board-green);
    padding: 1rem;
    border-radius: 5px;
    aspect-ratio: 1;
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(15, 1fr);
    gap: 2px;
    padding: 10px;
    background-color: #e0e0e0;
    border: 2px solid #666;
    border-radius: 5px;
    width: 100%;
    height: 100%;
}

.board-cell {
    background-color: #f5f5f5;
    border: 1px solid #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7em;
    font-weight: bold;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
    aspect-ratio: 1;
}

/* Special Cell Types */
.board-cell.tw {
    background-color: #ff6b6b;
    color: white;
}

.board-cell.dw {
    background-color: #ffd93d;
    color: white;
}

.board-cell.tl {
    background-color: #4dabf7;
    color: white;
}

.board-cell.dl {
    background-color: #63e6be;
    color: white;
}

.board-cell.center-star {
    background-color: #ffd93d;
    color: #666;
    font-size: 1.2em;
}

.board-cell.occupied {
    background-color: #f8f9fa;
    border: 1px solid #adb5bd;
}

.board-cell.highlight {
    background-color: rgba(255, 255, 0, 0.3);
}

.board-cell.valid {
    background-color: rgba(0, 255, 0, 0.2);
}

.board-cell.invalid {
    background-color: rgba(255, 0, 0, 0.2);
}

/* Board Labels */
.board-label {
    position: absolute;
    font-size: 0.6em;
    color: #666;
}

.board-label.top {
    top: 2px;
    left: 2px;
}

.board-label.bottom {
    bottom: 2px;
    right: 2px;
}