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

:root {
    --primary-color: #6366f1;
    --secondary-color: #22d3ee;
    --accent-color: #a855f7;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-text: #f8fafc;
    --muted-text: #cbd5e1;
    --card-bg: #1e293b;
    --sidebar-width: 280px;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 50%, #1e1b4b 100%);
    color: var(--light-text);
    min-height: 100vh;
    line-height: 1.6;
}

/* Age Verification Modal */
.age-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.age-modal.hidden {
    display: none;
}

.age-modal-content {
    background: linear-gradient(135deg, var(--card-bg) 0%, #312e81 100%);
    padding: 3rem;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.3);
    border: 2px solid var(--primary-color);
}

.age-modal-logo {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.age-modal-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-weight: 700;
}

.age-modal-content p {
    margin-bottom: 1rem;
    color: var(--muted-text);
    font-size: 1.1rem;
}

.age-modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.age-btn {
    flex: 1;
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Space Grotesk', sans-serif;
}

.age-yes {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.age-yes:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.age-no {
    background: #475569;
    color: white;
}

.age-no:hover {
    background: #64748b;
}

/* Hamburger Menu */
.hamburger {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    z-index: 1000;
    background: var(--primary-color);
    border: none;
    padding: 0.8rem;
    border-radius: 10px;
    cursor: pointer;
    display: none;
    flex-direction: column;
    gap: 5px;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    padding: 2rem 0;
    box-shadow: 5px 0 20px rgba(0, 0, 0, 0.3);
    z-index: 900;
    overflow-y: auto;
    border-right: 2px solid var(--primary-color);
}

.sidebar .logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 2rem;
    margin-bottom: 3rem;
}

.sidebar .logo span {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    list-style: none;
}

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

.nav-links a {
    display: block;
    padding: 1rem 2rem;
    color: var(--muted-text);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    border-left: 3px solid transparent;
}

.nav-links a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--secondary-color);
    border-left-color: var(--secondary-color);
}

.nav-links a.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 3rem;
}

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

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--muted-text);
    font-size: 1.2rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--card-bg) 0%, #312e81 100%);
    padding: 4rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary-color);
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--muted-text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-secondary:hover {
    background: var(--secondary-color);
    color: var(--darker-bg);
}

/* Notice Section */
.notice-section {
    margin: 3rem 0;
}

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

.notice-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.notice-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

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

.notice-card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.notice-card p {
    color: var(--muted-text);
}

/* Features Section */
.features-section {
    margin: 4rem 0;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.feature-item {
    background: linear-gradient(135deg, var(--card-bg), #1e1b4b);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--accent-color);
}

.feature-item h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-item p {
    color: var(--muted-text);
}

/* Game Section */
.game-section {
    margin: 4rem 0;
    text-align: center;
}

.game-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.game-intro, .game-description {
    color: var(--muted-text);
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.game-container {
    background: var(--darker-bg);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border: 2px solid var(--primary-color);
    margin: 2rem auto;
    max-width: 1200px;
}

.game-container iframe {
    width: 100%;
    height: 600px;
    border-radius: 10px;
}

.game-note {
    background: rgba(99, 102, 241, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
    max-width: 800px;
    margin: 2rem auto;
}

.game-note p {
    color: var(--muted-text);
    margin: 0;
}

/* Info Section */
.info-section {
    margin: 4rem 0;
}

.info-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.info-column {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 15px;
    border-top: 3px solid var(--accent-color);
}

.info-column h3 {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.info-column p {
    color: var(--muted-text);
    margin-bottom: 1.5rem;
}

.info-column ul {
    list-style: none;
    padding-left: 0;
}

.info-column ul li {
    color: var(--muted-text);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.info-column ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Play Page Specific */
.play-intro {
    margin-bottom: 3rem;
}

.play-info-card {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 20px;
    border: 2px solid var(--primary-color);
}

.play-info-card h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.control-item {
    background: rgba(99, 102, 241, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 3px solid var(--accent-color);
}

.control-item strong {
    display: block;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.control-item p {
    color: var(--muted-text);
    margin: 0;
}

.usage-notes {
    margin: 4rem 0;
}

.usage-notes h3 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

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

.note-card {
    background: linear-gradient(135deg, var(--card-bg), #1e1b4b);
    padding: 2rem;
    border-radius: 15px;
    border-top: 3px solid var(--accent-color);
}

.note-card h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.note-card p {
    color: var(--muted-text);
    margin: 0;
}

/* Legal Content */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
}

.legal-section {
    background: var(--card-bg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

.legal-section h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.legal-section h3 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
}

.legal-section p {
    color: var(--muted-text);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.legal-section ul {
    color: var(--muted-text);
    margin: 1rem 0;
    padding-left: 2rem;
}

.legal-section li {
    margin: 0.5rem 0;
    line-height: 1.8;
}

.disclaimer-highlight {
    border: 2px solid var(--accent-color);
    background: linear-gradient(135deg, var(--card-bg), #1e1b4b);
}

.resource-list {
    list-style: none;
    padding-left: 0;
}

.resource-list li {
    background: rgba(99, 102, 241, 0.1);
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 8px;
    border-left: 3px solid var(--secondary-color);
}

.resource-list a {
    color: var(--secondary-color);
    text-decoration: none;
}

.resource-list a:hover {
    text-decoration: underline;
}

/* Footer */
.page-footer {
    background: var(--darker-bg);
    padding: 3rem 2rem;
    margin-top: 5rem;
    border-top: 2px solid var(--primary-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section p {
    color: var(--muted-text);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin: 0.5rem 0;
}

.footer-links a {
    color: var(--muted-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--secondary-color);
}

.footer-disclaimer {
    color: var(--muted-text);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

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

    .hamburger {
        display: flex;
    }

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

    .page-header h1 {
        font-size: 2.2rem;
    }

    .hero-section {
        padding: 2.5rem 1.5rem;
    }

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

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

    .game-container iframe {
        height: 400px;
    }

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

    .btn {
        text-align: center;
    }
}

@media (max-width: 640px) {
    .age-modal-content {
        padding: 2rem 1.5rem;
    }

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

    .page-header h1 {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .notice-grid, .features-grid, .controls-grid, .note-cards {
        grid-template-columns: 1fr;
    }

    .game-container {
        padding: 1rem;
    }

    .game-container iframe {
        height: 300px;
    }

    .legal-section {
        padding: 1.5rem;
    }
}