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

body {
    font-family: 'Roboto', sans-serif;
    background: #0a1628;
    color: #e0e7ff;
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, #1a2744 0%, #0f1923 100%);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    padding: 2rem 0;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-logo {
    text-align: center;
    margin-bottom: 3rem;
    padding: 0 1.5rem;
}

.sidebar-logo a {
    color: #60d5f2;
    text-decoration: none;
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 3rem;
}

.sidebar nav ul {
    list-style: none;
}

.sidebar nav li {
    margin-bottom: 0.5rem;
}

.sidebar nav a {
    display: block;
    padding: 1rem 2rem;
    color: #a5b4fc;
    text-decoration: none;
    transition: all 0.3s;
    border-left: 4px solid transparent;
}

.sidebar nav a:hover {
    background: rgba(96, 213, 242, 0.1);
    color: #60d5f2;
    border-left-color: #60d5f2;
}

.hamburger-menu {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 2000;
    background: #1a2744;
    padding: 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hamburger-menu span {
    display: block;
    width: 25px;
    height: 3px;
    background: #60d5f2;
    margin: 5px 0;
    transition: 0.3s;
}

.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 3rem;
    width: calc(100% - 280px);
}

.page-header {
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 3rem;
    color: #60d5f2;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    color: #94a3b8;
}

.alert-banner {
    background: linear-gradient(135deg, #60d5f2 0%, #3b82f6 100%);
    color: #fff;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 3rem;
    box-shadow: 0 8px 24px rgba(96, 213, 242, 0.3);
}

.alert-banner h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.alert-banner ul {
    list-style-position: inside;
    line-height: 2;
    font-size: 1.1rem;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.info-card {
    background: linear-gradient(135deg, #1e3a5f 0%, #152238 100%);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(96, 213, 242, 0.2);
    transition: all 0.3s;
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(96, 213, 242, 0.2);
    border-color: #60d5f2;
}

.info-card h3 {
    color: #60d5f2;
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.info-card p {
    line-height: 1.7;
    color: #cbd5e1;
}

.game-section {
    background: linear-gradient(135deg, #1e3a5f 0%, #152238 100%);
    padding: 3rem;
    border-radius: 12px;
    margin: 3rem 0;
    text-align: center;
    border: 1px solid rgba(96, 213, 242, 0.2);
}

.game-section h2 {
    color: #60d5f2;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.game-section iframe {
    width: 100%;
    max-width: 900px;
    height: 650px;
    border: none;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.content-block {
    background: linear-gradient(135deg, #1e3a5f 0%, #152238 100%);
    padding: 3rem;
    border-radius: 12px;
    margin: 2rem 0;
    border: 1px solid rgba(96, 213, 242, 0.2);
}

.content-block h1 {
    color: #60d5f2;
    font-size: 2.8rem;
    margin-bottom: 2rem;
}

.content-block h2 {
    color: #60d5f2;
    font-size: 2rem;
    margin: 2.5rem 0 1rem;
}

.content-block p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #cbd5e1;
}

.content-block ul, .content-block ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #cbd5e1;
}

.content-block li {
    margin-bottom: 0.5rem;
}

footer {
    background: #0f1923;
    padding: 3rem;
    text-align: center;
    margin-top: 4rem;
    border-top: 1px solid rgba(96, 213, 242, 0.2);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #60d5f2;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #3b82f6;
}

footer p {
    color: #94a3b8;
    font-size: 0.9rem;
}

.age-modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
}

.age-modal-content {
    background: linear-gradient(135deg, #1e3a5f 0%, #152238 100%);
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
    max-width: 500px;
    border: 2px solid #60d5f2;
    box-shadow: 0 16px 48px rgba(96, 213, 242, 0.3);
}

.age-modal-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: #60d5f2;
}

.age-modal-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
    color: #cbd5e1;
}

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

.age-modal-buttons button {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    font-family: 'Roboto', sans-serif;
}

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

.btn-confirm {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: #fff;
}

.btn-decline {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
}

@media (max-width: 968px) {
    .sidebar {
        left: -280px;
        transition: left 0.3s;
    }

    .sidebar.active {
        left: 0;
    }

    .hamburger-menu {
        display: block;
    }

    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 5rem 1.5rem 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .game-section iframe {
        height: 450px;
    }

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

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