/* =======================
   GAME PAGE STYLES
========================== */

.game-section {
    min-height: 100vh;
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl) 0;
    background: var(--bg-primary);
}

/* Game Header */
.game-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.game-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.game-title i {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rocketPulse 2s ease-in-out infinite;
}

@keyframes rocketPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.game-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Game Container */
.game-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl) auto;
    background: var(--bg-dark);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    border: 2px solid var(--primary-color);
}

#gameCanvas {
    display: block;
    width: 100%;
    height: auto;
    background: linear-gradient(135deg, #0a0a2e 0%, #16213e 50%, #0f3460 100%);
}

/* Game Overlay */
.game-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.game-menu {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-heavy);
    border: 2px solid var(--primary-color);
    max-width: 400px;
    width: 90%;
    animation: menuSlideIn 0.5s ease-out;
}

@keyframes menuSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.game-menu h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
}

.game-menu p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.game-controls {
    display: flex;
    justify-content: space-around;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.control-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.control-item span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.game-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-sm);
    box-shadow: var(--shadow-medium);
}

.game-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

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

.game-btn.secondary:hover {
    background: var(--border-color);
}

.final-score, .high-score {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.hidden {
    display: none !important;
}

/* Game HUD */
.game-hud {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 5;
}

.hud-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
    font-weight: 500;
    font-family: var(--font-mono);
}

.hud-item i {
    color: var(--primary-color);
}

.pause-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pause-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Game Features */
.game-features {
    margin-bottom: var(--spacing-3xl);
}

.game-features h3 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
    font-size: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(99, 102, 241, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.5s ease;
    opacity: 0;
}

.feature-card:hover::before {
    opacity: 1;
    animation: shimmerFeature 0.8s ease-in-out;
}

@keyframes shimmerFeature {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.feature-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.feature-card h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Source Code Section */
.source-code {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-light);
}

.source-code h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.source-code p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.code-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.code-stats .stat {
    text-align: center;
}

.code-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-mono);
}

.code-stats .stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .game-container {
        margin-left: var(--spacing-md);
        margin-right: var(--spacing-md);
    }

    #gameCanvas {
        height: 400px;
    }

    .game-menu {
        padding: var(--spacing-lg);
    }

    .game-controls {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .game-hud {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .hud-item {
        font-size: 0.9rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .code-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .game-title {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .game-title i {
        font-size: 2rem;
    }

    .game-menu {
        width: 95%;
        padding: var(--spacing-md);
    }

    .feature-card {
        padding: var(--spacing-lg);
    }

    .source-code {
        padding: var(--spacing-lg);
    }
}

/* Loading Animation */
@keyframes gameLoad {
    0% {
        opacity: 0;
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.game-container {
    animation: gameLoad 0.6s ease-out;
}

/* Particle Effect for Background */
.game-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(99, 102, 241, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(16, 185, 129, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(245, 158, 11, 0.3), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(99, 102, 241, 0.3), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(16, 185, 129, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: starfield 20s linear infinite;
    pointer-events: none;
    opacity: 0.6;
}

@keyframes starfield {
    from { transform: translateY(0); }
    to { transform: translateY(-100px); }
}