@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    color-scheme: dark;
    --bg-primary: #06070f;
    --bg-secondary: #101228;
    --accent: #7c5cff;
    --accent-soft: rgba(124, 92, 255, 0.25);
    --text-primary: #f5f6ff;
    --text-muted: rgba(245, 246, 255, 0.68);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: radial-gradient(120% 120% at 10% 10%, rgba(124, 92, 255, 0.28) 0%, transparent 55%),
                radial-gradient(120% 140% at 90% 15%, rgba(16, 198, 255, 0.22) 0%, transparent 60%),
                linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: 40px 24px;
    color: var(--text-primary);
}

.page {
    position: relative;
    max-width: 1180px;
    width: 100%;
    min-height: calc(100vh - 80px);
    border-radius: 32px;
    overflow: hidden;
    padding: 56px clamp(24px, 5vw, 72px);
    backdrop-filter: blur(18px);
    background: rgba(6, 7, 15, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.glow {
    position: absolute;
    filter: blur(60px);
    opacity: 0.85;
    z-index: -1;
}

.glow.one {
    top: -160px;
    left: -120px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.55) 0%, transparent 70%);
}

.glow.two {
    bottom: -200px;
    right: -120px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(16, 198, 255, 0.45) 0%, transparent 70%);
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 600;
    letter-spacing: 0.16em;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-muted);
}

.brand::before {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 4px;
    background: linear-gradient(135deg, #7c5cff, #54e0ff);
    box-shadow: 0 0 18px rgba(124, 92, 255, 0.55);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-back {
    padding: 10px 20px;
    background: rgba(124, 92, 255, 0.1);
    border: 1px solid rgba(124, 92, 255, 0.3);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.btn-back:hover {
    background: rgba(124, 92, 255, 0.2);
    border-color: rgba(124, 92, 255, 0.5);
    transform: translateY(-1px);
}

.content {
    display: flex;
    flex-direction: column;
    gap: 32px;
    line-height: 1.7;
}

.content h1 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--text-primary), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 24px;
    color: var(--text-primary);
}

.content p {
    color: var(--text-muted);
    font-size: 1rem;
}

.content em {
    color: var(--accent);
    font-style: normal;
}

.content ul {
    padding-left: 24px;
    color: var(--text-muted);
}

.content ul li {
    margin: 8px 0;
}

.content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.content a {
    color: var(--accent);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.content a:hover {
    opacity: 0.8;
}

.content hr {
    border: none;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 32px 0;
}

footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-muted);
    gap: 16px;
    flex-wrap: wrap;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

footer a:hover {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    body {
        padding: 20px 16px;
    }

    .page {
        padding: 32px 24px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .header-controls {
        width: 100%;
        justify-content: space-between;
    }

    footer {
        flex-direction: column;
        text-align: center;
    }
}