:root {
    --bg-color: #0b0a0f;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f1f6;
    --text-secondary: #a39eb0;
    --accent-color: #8c52ff;
    --accent-glow: rgba(140, 82, 255, 0.15);
    --success-color: #00e676;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    padding: 2rem 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 80px var(--accent-glow);
}

header {
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.logo-area {
    margin-bottom: 1rem;
}

.logo-text {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    background: linear-gradient(135deg, #ffffff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(140, 82, 255, 0.3);
}

h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.last-updated {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    border-left: 3px solid var(--accent-color);
    padding-left: 0.75rem;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.5rem;
}

.badge {
    background: rgba(140, 82, 255, 0.1);
    color: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(140, 82, 255, 0.2);
    display: inline-block;
    margin-bottom: 1rem;
}

.lang-selector {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    padding: 0.5rem 1.2rem;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.lang-btn:hover {
    background: rgba(140, 82, 255, 0.08);
    border-color: var(--accent-color);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.lang-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(140, 82, 255, 0.4);
}

footer {
    margin-top: 3rem;
    border-top: 1px solid var(--card-border);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

footer a {
    color: var(--accent-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    body {
        padding: 1rem 0.5rem;
    }
    .container {
        padding: 1.5rem;
        border-radius: 16px;
    }
    .logo-text {
        font-size: 2rem;
    }
    h1 {
        font-size: 1.5rem;
    }
}