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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background: linear-gradient(135deg, #0f0a1a 0%, #1a0e2e 30%, #2d1b4e 60%, #1a0e2e 100%);
    color: #f0e6ff;
    min-height: 100vh;
    padding: 15px;
    line-height: 1.7;
}

.container {
    max-width: 820px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.logo-icon {
    color: #ffd700;
    margin-right: 8px;
}

.logo-text {
    background: linear-gradient(135deg, #ffd700, #ff8a5c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.language-switcher {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.lang-switch {
    color: #9a8ab0;
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    transition: all 0.25s ease;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.04);
    letter-spacing: 0.3px;
}

.lang-switch:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transform: translateY(-1px);
}

.lang-switch.active {
    background: rgba(255, 215, 0, 0.15);
    border-color: #ffd700;
    color: #ffd700;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.05);
}

.content {
    padding: 5px 0 15px;
}

.content h1 {
    font-size: 26px;
    margin-bottom: 20px;
    color: #ffd700;
    text-shadow: 0 0 40px rgba(255, 215, 0, 0.08);
    line-height: 1.3;
}

.content h2 {
    font-size: 20px;
    margin: 28px 0 14px;
    color: #e8d5ff;
    padding-bottom: 6px;
    border-bottom: 2px solid rgba(255, 215, 0, 0.1);
}

.content h3 {
    font-size: 17px;
    margin: 22px 0 12px;
    color: #d4c0f0;
}

.content p {
    margin-bottom: 14px;
    color: #d4c8e8;
    font-size: 15.5px;
}

.content strong {
    color: #ffd700;
    font-weight: 600;
}

.content ul, .content ol {
    margin: 12px 0 18px 20px;
    color: #d4c8e8;
}

.content li {
    margin-bottom: 6px;
}

.loading {
    text-align: center;
    padding: 50px 0;
}

.loading p {
    color: #9a8ab0;
    font-size: 16px;
}

.spinner {
    width: 44px;
    height: 44px;
    margin: 0 auto 18px;
    border: 3px solid rgba(255, 215, 0, 0.08);
    border-top-color: #ffd700;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.number-nav {
    margin: 30px 0 15px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.number-nav h2 {
    font-size: 16px;
    text-align: center;
    margin-bottom: 14px;
    color: #b8a6d9;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.number-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
    gap: 7px;
}

.number-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 9px 4px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    text-decoration: none;
    color: #b8a6d9;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.number-link:hover {
    background: rgba(255, 215, 0, 0.08);
    color: #ffd700;
    transform: scale(1.04);
    border-color: rgba(255, 215, 0, 0.15);
}

.number-link.active {
    background: rgba(255, 215, 0, 0.12);
    border-color: #ffd700;
    color: #ffd700;
    box-shadow: 0 0 25px rgba(255, 215, 0, 0.06);
}

.footer {
    margin-top: 25px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    text-align: center;
    font-size: 12px;
    color: #6a5a8a;
    letter-spacing: 0.3px;
}

.error {
    color: #ff6b6b;
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 107, 107, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 107, 107, 0.1);
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    .container {
        padding: 16px;
        border-radius: 14px;
    }
    .header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        margin-bottom: 18px;
    }
    .logo {
        text-align: center;
        font-size: 20px;
    }
    .language-switcher {
        justify-content: center;
    }
    .lang-switch {
        font-size: 10px;
        padding: 3px 8px;
    }
    .content h1 {
        font-size: 22px;
        margin-bottom: 16px;
    }
    .content h2 {
        font-size: 18px;
        margin: 22px 0 12px;
    }
    .content h3 {
        font-size: 16px;
    }
    .content p {
        font-size: 14.5px;
    }
    .number-grid {
        grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
        gap: 5px;
    }
    .number-link {
        font-size: 12px;
        padding: 7px 3px;
    }
    .number-nav h2 {
        font-size: 14px;
    }
}