/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #f7fafc;
    min-height: 100vh;
}

#app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header styles */
header {
    background: #ffffff;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #4a5568;
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #2b6cb0;
}

/* Main content */
main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* Home page styles */
.hero {
    text-align: center;
    margin-bottom: 3rem;
    color: #2d3748;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.hero p {
    font-size: 1.2rem;
    color: #718096;
    max-width: 600px;
    margin: 0 auto;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.game-card {
    background: #ffffff;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.game-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border-color: #cbd5e0;
}

.game-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.game-card h3 {
    color: #2d3748;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.game-card p {
    color: #718096;
    margin-bottom: 1.5rem;
}

/* Game container styles */
.game-container {
    background: #ffffff;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    margin: 0 auto;
    max-width: 800px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.back-button {
    background: #edf2f7;
    color: #4a5568;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background 0.2s ease;
}

.back-button:hover {
    background: #e2e8f0;
}

.game-title {
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.game-score {
    background: #ebf8ff;
    color: #2b6cb0;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
}

/* Canvas styles */
canvas {
    border: 2px solid #2d3748;
    border-radius: 4px;
    margin: 1rem 0;
    background: #000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.game-controls {
    margin-top: 1.5rem;
    color: #718096;
}

.control-btn,
.btn-primary,
.btn-secondary {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    margin: 0 0.25rem;
}

.btn-primary {
    background-color: #4299e1;
    color: white;
}

.btn-primary:hover {
    background-color: #3182ce;
}

.btn-secondary {
    background-color: #edf2f7;
    color: #4a5568;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.diff-btn {
    background: #fff;
    border: 1px solid #e2e8f0;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    margin: 0 0.25rem;
    cursor: pointer;
}

.diff-btn.active {
    background: #4299e1;
    color: white;
    border-color: #4299e1;
}

/* Footer */
footer {
    background: #ffffff;
    text-align: center;
    padding: 2rem;
    color: #718096;
    border-top: 1px solid #e2e8f0;
    margin-top: auto;
}

/* Responsive design */
@media (max-width: 768px) {
    nav {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .games-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    main {
        padding: 1rem;
    }

    .game-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ad Styling */
.ad-container {
    margin: 20px 0;
    text-align: center;
    background-color: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 10px;
    position: relative;
}

.ad-container::before {
    content: "Advertisement";
    position: absolute;
    top: 5px;
    left: 10px;
    font-size: 10px;
    color: #a0aec0;
    text-transform: uppercase;
}