/* Snake Game Styles */
.snake-game-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
    background: var(--bg-color);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.game-header {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

.score-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    font-size: 1.4em;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.score-display:hover {
    transform: translateY(-5px);
}

.current-score, .high-score {
    display: flex;
    align-items: center;
    gap: 15px;
}

.current-score span:first-child, .high-score span:first-child {
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.game-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    padding: 25px;
    background: var(--secondary-bg);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.speed-control, .theme-control {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.speed-control h3, .theme-control h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.2em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.speed-options, .theme-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.speed-btn, .theme-btn {
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.speed-btn:hover, .theme-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.speed-btn.active, .theme-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.action-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.primary-btn, .secondary-btn {
    padding: 12px 25px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 1.1em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.secondary-btn {
    background: var(--secondary-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
}

.primary-btn:hover, .secondary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.primary-btn:disabled, .secondary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.game-board-container {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    aspect-ratio: 1;
    background: var(--secondary-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.game-board-container:hover {
    transform: scale(1.02);
}

#gameBoard {
    width: 100%;
    height: 100%;
    display: block;
}

.mobile-controls {
    display: none;
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background: var(--secondary-bg);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.control-row {
    display: flex;
    justify-content: center;
    margin: 10px 0;
}

.horizontal-controls {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 10px 0;
}

.control-btn {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1.4em;
    -webkit-tap-highlight-color: transparent;
}

.control-btn:active {
    transform: scale(0.95);
    background: var(--primary-color);
    color: white;
}

.control-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.game-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.info-section {
    padding: 25px;
    background: var(--secondary-bg);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.info-section:hover {
    transform: translateY(-5px);
}

.info-section h3 {
    margin: 0 0 20px 0;
    color: var(--primary-color);
    font-size: 1.3em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-section ul {
    margin: 0;
    padding-left: 20px;
}

.info-section li {
    margin-bottom: 12px;
    color: var(--text-color);
    line-height: 1.5;
    position: relative;
    padding-left: 10px;
}

.info-section li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: -15px;
}

/* Theme-specific styles */
[data-theme="classic"] #gameBoard {
    background: #000;
}

[data-theme="neon"] #gameBoard {
    background: #1a1a1a;
}

[data-theme="nature"] #gameBoard {
    background: #2c3e50;
}

/* Feedback message */
.feedback {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 15px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translate(-50%, -100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .game-header {
        gap: 20px;
    }

    .game-controls {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .mobile-controls {
        display: block;
    }

    .game-info {
        grid-template-columns: 1fr;
    }

    .control-btn {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 480px) {
    .snake-game-container {
        padding: 15px;
    }

    .score-display {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        font-size: 1.2em;
    }

    .action-buttons {
        justify-content: center;
    }

    .primary-btn, .secondary-btn {
        padding: 10px 20px;
        font-size: 1em;
    }

    .mobile-controls {
        padding: 15px;
    }

    .control-btn {
        width: 55px;
        height: 55px;
        font-size: 1.2em;
    }

    .horizontal-controls {
        gap: 30px;
    }
}

/* Dark theme adjustments */
[data-theme="dark"] .snake-game-container {
    background: var(--dark-bg);
}

[data-theme="dark"] .game-controls,
[data-theme="dark"] .score-display,
[data-theme="dark"] .info-section {
    background: var(--dark-secondary-bg);
}

[data-theme="dark"] .speed-btn,
[data-theme="dark"] .theme-btn {
    background: var(--dark-bg);
    border-color: var(--dark-border);
}

[data-theme="dark"] .control-btn {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--dark-border);
}

/* Game Content Sections */
.game-content {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.content-section {
    background: var(--secondary-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.content-section:hover {
    transform: translateY(-5px);
}

.content-section h2 {
    color: var(--primary-color);
    font-size: 1.8em;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.content-section p {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 15px;
}

.content-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.content-section ul li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: var(--text-color);
    line-height: 1.5;
}

.content-section ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.content-section ul li strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

/* Strategy Grid */
.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.strategy-item {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.strategy-item:hover {
    transform: translateY(-3px);
}

.strategy-item h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.2em;
}

.strategy-item p {
    color: var(--text-color);
    font-size: 0.95em;
    line-height: 1.5;
    margin: 0;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.feature-item {
    text-align: center;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature-item i {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feature-item h3 {
    color: var(--text-color);
    margin-bottom: 10px;
    font-size: 1.2em;
}

.feature-item p {
    color: var(--text-color);
    font-size: 0.9em;
    line-height: 1.5;
    margin: 0;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .content-section {
        padding: 20px;
    }

    .content-section h2 {
        font-size: 1.5em;
    }

    .strategy-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Dark theme adjustments */
[data-theme="dark"] .content-section,
[data-theme="dark"] .strategy-item,
[data-theme="dark"] .feature-item {
    background: var(--dark-secondary-bg);
}

[data-theme="dark"] .strategy-item,
[data-theme="dark"] .feature-item {
    background: var(--dark-bg);
}