.game-shell {
    max-width: 680px;
    margin: auto;
}

.game-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 15px;
    margin-bottom: 18px;
}

.game-heading h1 {
    margin: 4px 0;
    font-size: 36px;
}

.game-heading p {
    color: var(--muted);
    margin: 0;
}

.route-status {
    color: var(--accent-light);
    font-weight: 700;
}

.route-board {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    background: #0a0f1c;
    padding: 7px;
    border: 1px solid var(--border);
    border-radius: 16px;
    aspect-ratio: 1;
}

.cell {
    border-radius: 7px;
    background: #172137;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(18px, 6vw, 32px);
}

.cell.wall {
    background: #303b55;
}

.cell.player {
    background: #36547b;
}

.cell.goal {
    background: #315c49;
}

.route-controls {
    display: grid;
    grid-template-columns: repeat(3, 58px);
    gap: 7px;
    justify-content: center;
    margin-top: 15px;
}

.route-controls button {
    height: 58px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    border-radius: 12px;
    font-size: 22px;
    cursor: pointer;
}

.route-controls button:hover {
    border-color: var(--accent);
}

.route-controls button:nth-child(1) {
    grid-column: 2;
}

.route-controls button:nth-child(2) {
    grid-column: 1;
    grid-row: 2;
}

.route-controls button:nth-child(3) {
    grid-column: 2;
    grid-row: 2;
}

.route-controls button:nth-child(4) {
    grid-column: 3;
    grid-row: 2;
}

.route-message {
    min-height: 30px;
    text-align: center;
    margin-top: 13px;
    font-weight: 700;
}

.route-actions {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}

.game-button,
.secondary-button {
    min-height: 46px;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
}

.game-button {
    background: var(--accent);
    border: 1px solid var(--accent);
    color: #111827;
}

.game-button:disabled {
    opacity: .4;
    cursor: default;
}

.secondary-button {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}