@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&display=swap');

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

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

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar.closed {
    transform: translateX(-100%);
}

.logo {
    text-align: center;
    padding: 0 1rem 2rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.logo h1 {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(45deg, #f093fb, #f5576c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    list-style: none;
    padding: 2rem 0;
}

.nav-menu li {
    margin: 0.5rem 0;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    padding: 1rem 2rem;
    display: block;
    transition: all 0.3s;
    border-left: 4px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: #f093fb;
}

/* Hamburger Button */
.hamburger {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: rgba(0, 0, 0, 0.8);
    border: none;
    padding: 0.75rem;
    border-radius: 8px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 5px 0;
    transition: 0.3s;
}

/* Main Content */
.main-content {
    margin-left: 280px;
    padding: 3rem;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    text-align: center;
    padding: 4rem 0;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* Notice Boxes */
.notice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 3rem 0;
}

.notice-box {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s;
}

.notice-box:hover {
    transform: translateY(-5px);
}

.notice-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #f093fb;
}

/* Game Container */
.game-container {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 20px;
    padding: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.game-container h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.game-frame {
    width: 100%;
    max-width: 900px;
    height: 600px;
    border: none;
    border-radius: 10px;
    margin: 0 auto;
    display: block;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.6);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.footer-links a {
    color: #f093fb;
    text-decoration: none;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 0.7;
}

/* Age Verification Modal */
.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

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

.age-modal-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    border: 3px solid #f093fb;
}

.age-modal-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.age-modal-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.age-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.age-buttons button {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-family: 'Orbitron', sans-serif;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s;
    font-weight: 700;
}

.age-buttons button:hover {
    transform: scale(1.05);
}

.btn-yes {
    background: #4ade80;
    color: #000;
}

.btn-no {
    background: #ef4444;
    color: #fff;
}

/* Content Sections */
.content-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    backdrop-filter: blur(10px);
}

.content-section h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #f093fb;
}

.content-section p {
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.content-section ul {
    list-style-position: inside;
    line-height: 2;
    opacity: 0.9;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-content {
        margin-left: 0;
        padding: 5rem 1.5rem 2rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .notice-grid {
        grid-template-columns: 1fr;
    }

    .game-frame {
        height: 400px;
    }

    .age-modal-content {
        margin: 1rem;
        padding: 2rem;
    }

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