/* Snake Game - Styles */

.game-container { max-width: 500px; margin: 0 auto; }

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem 1.5rem;
    background-color: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.score-display { display: flex; gap: 1.5rem; }
.stat-box { text-align: center; }
.stat-box .label { font-size: 0.7rem; text-transform: uppercase; color: var(--text-secondary); }
.stat-box .value { font-size: 1.5rem; font-weight: 700; color: var(--primary-color); }

.game-board-container {
    background-color: #1a1a2e;
    padding: 10px;
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

#gameCanvas {
    display: block;
    width: 100%;
    border-radius: var(--radius-md);
    image-rendering: pixelated;
}

.control-buttons { display: flex; gap: 1rem; justify-content: center; margin-bottom: 1.5rem; }

.mobile-controls {
    display: none;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 60px);
    gap: 8px;
    max-width: 200px;
    margin: 0 auto 1.5rem;
}

.mobile-controls .ctrl-btn {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.mobile-controls .ctrl-btn:active { background-color: var(--primary-color); color: white; }
.ctrl-up { grid-column: 2; grid-row: 1; }
.ctrl-left { grid-column: 1; grid-row: 2; }
.ctrl-right { grid-column: 3; grid-row: 2; }
.ctrl-down { grid-column: 2; grid-row: 3; }

.instructions {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
}
.instructions h3 { font-size: 1rem; margin-bottom: 0.75rem; }
.instructions p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }

.game-over-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(26, 26, 46, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}
.game-over-overlay.active { opacity: 1; visibility: visible; }
.game-over-text { font-size: 2rem; font-weight: 700; color: #ef4444; margin-bottom: 0.5rem; }
.game-over-score { font-size: 1.25rem; color: white; margin-bottom: 1rem; }

.board-wrapper { position: relative; }

@media (max-width: 768px) {
    .mobile-controls { display: grid; }
}

@media (max-width: 480px) {
    .game-header { flex-direction: column; gap: 1rem; }
    .score-display { width: 100%; justify-content: space-around; }
    .control-buttons { flex-direction: column; }
    .control-buttons .btn { width: 100%; }
    .mobile-controls { max-width: 180px; grid-template-rows: repeat(3, 50px); }
}