:root {
    --bg-dark: #090a0f;
    --text-primary: #ffffff;
    --text-secondary: #b4bfd6;
    --text-muted: #8d97ad;
    --accent-blue: #00d2ff;
    --accent-purple: #9d50bb;
    --glass-bg: rgba(255, 255, 255, 0.04);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: radial-gradient(circle at 20% 10%, rgba(0, 210, 255, 0.12), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(157, 80, 187, 0.15), transparent 45%),
        var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', 'Noto Sans Thai', sans-serif;
    line-height: 1.6;
}

.page-shell {
    width: min(980px, calc(100% - 28px));
    margin: 24px auto 40px;
}

.top-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 10px;
    margin-bottom: 14px;
}

.top-links a {
    color: #9fd8ff;
    text-decoration: underline;
    text-underline-offset: 2px;
    font-size: 0.86rem;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 22px 20px;
}

h1 {
    font-size: clamp(1.35rem, 2.4vw, 2rem);
    margin: 0 0 10px;
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin: 0 0 18px;
    color: var(--text-muted);
    font-size: 0.84rem;
}

.notice {
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 14px;
    padding: 12px;
    color: #d8f5ff;
    margin-bottom: 18px;
    font-size: 0.9rem;
}

h2 {
    margin: 20px 0 8px;
    font-size: 1.08rem;
}

p,
li {
    color: var(--text-secondary);
    font-size: 0.94rem;
}

ul,
ol {
    margin: 6px 0 14px;
    padding-left: 20px;
}

hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin: 20px 0;
}

.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 8px 0 16px;
}

.badge {
    font-size: 0.76rem;
    color: #f4fbff;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.24), rgba(157, 80, 187, 0.2));
    border: 1px solid rgba(112, 208, 255, 0.45);
    padding: 6px 10px;
    border-radius: 999px;
}

footer {
    margin-top: 22px;
    color: var(--text-muted);
    font-size: 0.78rem;
}

@media (max-width: 768px) {
    .page-shell {
        width: min(980px, calc(100% - 16px));
        margin-top: 14px;
    }

    .card {
        border-radius: 16px;
        padding: 16px;
    }

    p,
    li {
        font-size: 0.9rem;
    }
}