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

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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    min-height: 100vh;
}

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

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.1);
    padding: 2rem 0;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.logo {
    text-align: center;
    padding: 0 1.5rem 2rem;
    border-bottom: 2px solid #f0f0f0;
}

.logo-svg {
    width: 120px;
    height: 120px;
    margin-bottom: 1rem;
}

.logo h1 {
    font-size: 1.8rem;
    color: #667eea;
    font-weight: 700;
}

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

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

.nav-menu a {
    display: block;
    padding: 1rem 2rem;
    color: #555;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.nav-menu a:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: #667eea;
    transition: height 0.3s ease;
}

.nav-menu a:hover:before,
.nav-menu a.active:before {
    height: 100%;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 3rem;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

h2 {
    font-size: 1.8rem;
    color: #764ba2;
    margin: 2rem 0 1rem;
    font-weight: 600;
}

h3 {
    font-size: 1.4rem;
    color: #667eea;
    margin: 1.5rem 0 1rem;
    font-weight: 600;
}

p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #555;
}

.notice-box {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    border-left: 5px solid #e17055;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.notice-box h3 {
    color: #d63031;
    margin-top: 0;
}

.notice-box ul {
    margin-left: 1.5rem;
    color: #2d3436;
}

.notice-box li {
    margin: 0.5rem 0;
}

.game-container {
    margin: 2rem 0;
    text-align: center;
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
}

.game-container iframe {
    max-width: 100%;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.info-card {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    padding: 2rem;
    border-radius: 15px;
    color: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

footer {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
    border-radius: 15px;
}

footer h3 {
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #764ba2;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    background: white;
    border: none;
    padding: 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background: #667eea;
    margin: 5px 0;
    transition: 0.3s;
}

/* 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: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.age-modal-content h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
}

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

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

.age-buttons button {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

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

.btn-yes {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-no {
    background: #dfe6e9;
    color: #2d3436;
}

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

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

    .hamburger {
        display: block;
    }

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

    .content-wrapper {
        padding: 1.5rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.4rem;
    }

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

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