* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: radial-gradient(circle at top, #5f3cff 0, #2a1054 35%, #060014 100%);
    color: #f5f3ff;
    line-height: 1.7;
}

header {
    text-align: center;
    padding: 40px 20px 25px;
    background: linear-gradient(135deg, rgba(134, 93, 255, 0.3), rgba(51, 18, 112, 0.85));
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.15), transparent 60%);
    opacity: 0.9;
    pointer-events: none;
}

.logo {
    width: 96px;
    height: 96px;
    border-radius: 28px;
    margin-bottom: 12px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
}

h1 {
    margin: 0;
    font-size: 1.9rem;
    letter-spacing: 0.02em;
}

.subtitle {
    margin: 8px 0 0;
    opacity: 0.85;
    font-size: 0.98rem;
}

.header-link {
    display: inline-block;
    margin-top: 18px;
    font-size: 0.95rem;
    text-decoration: none;
    color: #f5f3ff;
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid rgba(207, 179, 255, 0.5);
    backdrop-filter: blur(12px);
    background: linear-gradient(135deg, rgba(151, 117, 255, 0.2), rgba(96, 77, 196, 0.2));
}

.header-link:hover {
    background: linear-gradient(135deg, rgba(151, 117, 255, 0.4), rgba(96, 77, 196, 0.45));
}

.container {
    max-width: 960px;
    margin: 26px auto 40px;
    padding: 26px 20px 30px;
    background: radial-gradient(circle at top, rgba(132, 94, 255, 0.16), rgba(7, 3, 25, 0.96));
    border-radius: 18px;
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.75);
    border: 1px solid rgba(195, 170, 255, 0.3);
}

@media (min-width: 768px) {
    .container {
        padding: 32px 40px 36px;
        margin-top: 32px;
    }
}

h2 {
    color: #e0d2ff;
    margin-top: 26px;
    margin-bottom: 10px;
    font-size: 1.35rem;
}

p {
    margin: 0 0 12px;
    font-size: 0.98rem;
    color: #f3f0ff;
}

ul {
    margin: 0 0 14px 18px;
    padding-left: 10px;
}

li {
    margin-bottom: 6px;
    font-size: 0.96rem;
}

strong {
    color: #ffffff;
}

a {
    color: #c6a5ff;
    text-decoration: underline;
    text-decoration-thickness: 1px;
}

a:hover {
    text-decoration-style: wavy;
}

.updated {
    margin-top: 24px;
    font-size: 0.9rem;
    opacity: 0.85;
}

.footer {
    text-align: center;
    padding: 28px 20px 32px;
    font-size: 0.9rem;
    color: #cbc2ff;
    border-top: 1px solid rgba(151, 133, 255, 0.35);
    background: radial-gradient(circle at top, rgba(90, 63, 186, 0.32), rgba(4, 2, 15, 0.98));
}

.footer a {
    color: #e0d2ff;
    text-decoration: none;
}

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

code {
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.9rem;
    background: rgba(16, 12, 40, 0.9);
    padding: 2px 5px;
    border-radius: 4px;
}