@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@300;400;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Raleway', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #2c3e50;
    min-height: 100vh;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar-header {
    padding: 30px 20px;
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    text-align: center;
}

.logo {
    font-size: 32px;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: block;
    letter-spacing: 2px;
}

.nav-menu {
    list-style: none;
    padding: 20px 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: 18px 30px;
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: #f8f9fa;
    border-left-color: #4A90E2;
    color: #4A90E2;
}

/* Hamburger Menu */
.menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1001;
    background: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #4A90E2;
    margin: 5px 0;
    transition: 0.3s;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 40px;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 42px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.2;
}

h2 {
    font-size: 32px;
    font-weight: 600;
    color: #4A90E2;
    margin: 40px 0 20px;
}

h3 {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin: 30px 0 15px;
}

p {
    line-height: 1.8;
    margin-bottom: 20px;
    color: #555;
    font-size: 16px;
}

/* Notice Boxes */
.notice-box {
    background: linear-gradient(135deg, #FFA726, #FB8C00);
    color: white;
    padding: 25px 30px;
    border-radius: 12px;
    margin: 30px 0;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(251, 140, 0, 0.3);
}

.notice-box strong {
    display: block;
    font-size: 20px;
    margin-bottom: 10px;
}

/* Game Container */
.game-container {
    margin: 40px 0;
    text-align: center;
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
}

.game-frame {
    width: 100%;
    max-width: 800px;
    height: 600px;
    border: none;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    background: white;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    padding: 40px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #FFA726;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #FB8C00;
}

/* Age Verification Modal */
.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.age-modal.active {
    display: flex;
}

.age-modal-content {
    background: white;
    padding: 50px;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
}

.age-modal-content h2 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.age-modal-content p {
    margin-bottom: 30px;
    font-size: 18px;
}

.age-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.age-buttons button {
    padding: 15px 40px;
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Raleway', sans-serif;
}

.btn-yes {
    background: #4A90E2;
    color: white;
}

.btn-yes:hover {
    background: #357ABD;
    transform: translateY(-2px);
}

.btn-no {
    background: #e74c3c;
    color: white;
}

.btn-no:hover {
    background: #c0392b;
    transform: translateY(-2px);
}

/* Info Cards */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.info-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.info-card h3 {
    color: white;
    margin-top: 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .menu-toggle {
        display: block;
    }

    .main-content {
        margin-left: 0;
        padding: 80px 20px 20px;
    }

    .content-wrapper {
        padding: 30px 20px;
    }

    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 26px;
    }

    .game-frame {
        height: 400px;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }

    .age-modal-content {
        margin: 20px;
        padding: 30px 20px;
    }

    .age-buttons {
        flex-direction: column;
    }
}