/* Technovra - Dark Tech Theme with Sidebar */

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

:root {
    --primary-cyan: #00ffff;
    --primary-blue: #0080ff;
    --dark-bg: #0a0e17;
    --darker-bg: #050810;
    --card-bg: #151b2e;
    --text-light: #e0e6ed;
    --text-dim: #8a95a8;
    --accent-purple: #8b5cf6;
    --sidebar-width: 280px;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--darker-bg) 0%, var(--card-bg) 100%);
    border-right: 2px solid var(--primary-cyan);
    box-shadow: 4px 0 20px rgba(0, 255, 255, 0.1);
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.logo-container {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.logo-svg {
    width: 100%;
    max-width: 220px;
    height: auto;
}

.sidebar-nav {
    flex: 1;
    padding: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.nav-link {
    display: block;
    padding: 15px 30px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--primary-cyan);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-cyan);
    background: rgba(0, 255, 255, 0.05);
}

.nav-link:hover::before,
.nav-link.active::before {
    transform: scaleY(1);
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    text-align: center;
}

.footer-notice {
    font-family: 'Orbitron', sans-serif;
    font-size: 12px;
    color: var(--primary-cyan);
    margin: 5px 0;
    font-weight: 700;
}

/* Mobile Hamburger */
.hamburger {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 101;
    background: var(--card-bg);
    border: 2px solid var(--primary-cyan);
    padding: 10px;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    border-radius: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-cyan);
    transition: all 0.3s ease;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 40px;
}

.page-header {
    margin-bottom: 50px;
    text-align: center;
}

.page-header h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.subtitle {
    font-size: 20px;
    color: var(--text-dim);
    font-weight: 400;
}

/* Hero Section */
.hero-section {
    margin-bottom: 60px;
}

.hero-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 36px;
    color: var(--primary-cyan);
    margin-bottom: 20px;
}

.hero-content > p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-cyan);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 22px;
    color: var(--primary-cyan);
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dim);
}

/* Notice Section */
.notice-section {
    margin-bottom: 60px;
}

.notice-box {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border-left: 5px solid var(--primary-cyan);
}

.notice-box.warning {
    border-left-color: #fbbf24;
}

.notice-box h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-cyan);
}

.notice-box ul {
    list-style: none;
    padding: 0;
}

.notice-box li {
    padding: 12px 0;
    font-size: 16px;
    line-height: 1.6;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.notice-box li:last-child {
    border-bottom: none;
}

/* Game Section */
.game-section {
    margin-bottom: 60px;
}

.game-section h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 32px;
    color: var(--primary-cyan);
    margin-bottom: 20px;
    text-align: center;
}

.game-intro {
    text-align: center;
    font-size: 18px;
    color: var(--text-dim);
    margin-bottom: 30px;
}

.game-container {
    background: var(--darker-bg);
    padding: 20px;
    border-radius: 15px;
    border: 2px solid var(--primary-cyan);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.game-frame {
    width: 100%;
    height: 600px;
    border-radius: 10px;
    background: #000;
}

.game-container-full {
    background: var(--darker-bg);
    padding: 20px;
    border-radius: 15px;
    border: 2px solid var(--primary-cyan);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.game-frame-full {
    width: 100%;
    height: 700px;
    border-radius: 10px;
    background: #000;
}

.game-controls-info {
    margin-top: 20px;
    text-align: center;
    font-size: 16px;
    color: var(--text-dim);
}

/* Info Section */
.info-section {
    margin-bottom: 60px;
}

.info-block {
    background: var(--card-bg);
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.1);
}

.info-block h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 24px;
    color: var(--primary-cyan);
    margin-bottom: 15px;
}

.info-block p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
}

/* Play Page */
.play-info {
    margin-bottom: 40px;
}

.info-banner {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid var(--primary-cyan);
}

.info-banner p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 10px;
}

.info-banner p:last-child {
    margin-bottom: 0;
}

.game-tips {
    margin-bottom: 60px;
}

.game-tips h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 32px;
    color: var(--primary-cyan);
    margin-bottom: 30px;
    text-align: center;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.tip-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.tip-card h3 {
    font-size: 20px;
    color: var(--primary-cyan);
    margin-bottom: 10px;
}

.tip-card p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dim);
}

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

.legal-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    color: var(--primary-cyan);
    margin-top: 40px;
    margin-bottom: 20px;
}

.legal-content h2:first-child {
    margin-top: 0;
}

.legal-content h3 {
    font-size: 22px;
    color: var(--primary-blue);
    margin-top: 25px;
    margin-bottom: 15px;
}

.legal-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-light);
}

.legal-content ul {
    margin: 20px 0;
    padding-left: 30px;
}

.legal-content li {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 10px;
    color: var(--text-light);
}

.legal-content a {
    color: var(--primary-cyan);
    text-decoration: none;
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer {
    background: var(--card-bg);
    padding: 40px;
    margin-top: 80px;
    border-top: 2px solid var(--primary-cyan);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.footer-section h4 {
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    color: var(--primary-cyan);
    margin-bottom: 15px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s ease;
}

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

.footer-disclaimer {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.6;
}

/* Age Modal */
.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

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

.age-modal-content {
    background: var(--card-bg);
    border: 3px solid var(--primary-cyan);
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 0 50px rgba(0, 255, 255, 0.4);
}

.age-modal-header {
    padding: 30px;
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.age-modal-header h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    color: var(--primary-cyan);
    text-align: center;
}

.age-modal-body {
    padding: 30px;
}

.age-modal-body p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: center;
}

.age-modal-footer {
    padding: 30px;
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-verify-yes,
.btn-verify-no {
    padding: 15px 40px;
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    font-weight: 700;
    border: 2px solid;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-verify-yes {
    background: var(--primary-cyan);
    color: var(--darker-bg);
    border-color: var(--primary-cyan);
}

.btn-verify-yes:hover {
    background: transparent;
    color: var(--primary-cyan);
}

.btn-verify-no {
    background: transparent;
    color: #ef4444;
    border-color: #ef4444;
}

.btn-verify-no:hover {
    background: #ef4444;
    color: white;
}

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

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

    .hamburger {
        display: flex;
    }

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

    .page-header h1 {
        font-size: 32px;
    }

    .hero-content h2 {
        font-size: 28px;
    }

    .feature-grid,
    .tips-grid {
        grid-template-columns: 1fr;
    }

    .game-frame {
        height: 400px;
    }

    .game-frame-full {
        height: 500px;
    }

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

    .btn-verify-yes,
    .btn-verify-no {
        width: 100%;
    }
}