/* Polaris's library pages (scripts/polaris-library.mjs). The --color-* names are Huyền Học's:
   its diagrams (::so-do, ::que) are SVG that paint with them. Light or dark with the system. */
:root {
  --color-nen: #f6f3ec; --color-nen-2: #fffdf8; --color-nen-3: #efe7d6; --color-vien: #e2d9c8; --color-vien-2: #cfc3ad;
  --color-chu: #23201a; --color-chu-mo: #5f574b; --color-chu-mo-2: #7a7266;
  --color-vang: #a5761c; --color-vang-sang: #8a5f12; --color-vang-mo: #c9a35a;
  --color-tim: #6b4fc4; --color-luc: #2f8a63; --color-do: #c0443f; --color-lam: #3a78b0;
  --serif: "Noto Serif", Georgia, serif; --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-nen: #0e1220; --color-nen-2: #151a2c; --color-nen-3: #1a1826; --color-vien: #2a2740; --color-vien-2: #3a3556;
    --color-chu: #ece8f5; --color-chu-mo: #a49dbd; --color-chu-mo-2: #6f6889;
    --color-vang: #d9a441; --color-vang-sang: #f0c46a; --color-vang-mo: #8a6a2a;
    --color-tim: #8b6ee0; --color-luc: #4fb98a; --color-do: #e0645f; --color-lam: #5c9fd6;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--color-nen); color: var(--color-chu); font: 16px/1.7 var(--sans); }
a { color: var(--color-vang); }
.tv-top { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 16px; background: color-mix(in oklab, var(--color-nen) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--color-vien); }
.tv-brand { display: inline-flex; align-items: center; gap: 8px; color: var(--color-chu); font-weight: 700; text-decoration: none; }
.tv-brand img { border-radius: 6px; }
.tv-ask { background: var(--color-vang); color: var(--color-nen); border-radius: 99px; padding: 6px 14px; font: 600 14px var(--sans); text-decoration: none; white-space: nowrap; }
.tv-main { width: 100%; max-width: 760px; margin: 0 auto; padding: 18px 16px 56px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.tv-crumb { font-size: 13px; color: var(--color-chu-mo-2); }
.tv-crumb a { color: inherit; }
h1 { font: 700 clamp(24px, 6vw, 32px)/1.25 var(--serif); margin: 4px 0 0; overflow-wrap: anywhere; }
.tv-lead { font-size: 17px; color: var(--color-chu-mo); margin: 0; }
.tv-meta { font-size: 13px; color: var(--color-chu-mo-2); margin: 0; }
.tv-hero { width: 100%; height: auto; border-radius: 14px; margin-top: 6px; }
.tv-note { font-size: 13px; color: var(--color-chu-mo-2); border-left: 3px solid var(--color-vang); padding: 4px 10px; margin-top: 24px; }
.tv-cta { justify-self: start; margin-top: 12px; background: var(--color-vang); color: var(--color-nen); border-radius: 12px; padding: 10px 18px; font-weight: 600; text-decoration: none; }
.tv-related, .tv-topic { display: grid; gap: 8px; margin-top: 18px; }
.tv-related h2, .tv-topic h2 { font: 700 19px var(--serif); margin: 0; }
.tv-topic h2 span { color: var(--color-vang); margin-right: 4px; }
.tv-related a, .tv-topic a { display: grid; gap: 2px; padding: 10px 12px; border: 1px solid var(--color-vien); border-radius: 12px; background: var(--color-nen-2); color: var(--color-chu); text-decoration: none; }
.tv-related a span, .tv-topic a span { font-size: 13px; color: var(--color-chu-mo-2); }
/* The article body (Huyền's renderer; its Tailwind classes are dropped) */
.tv-bai, .tv-bai * { -webkit-user-select: text; user-select: text; }
.tv-bai { font: 17px/1.75 var(--serif); overflow-wrap: anywhere; }
.tv-bai h2 { font: 700 21px/1.35 var(--serif); margin: 1.6em 0 .4em; }
.tv-bai h3 { font: 700 18px/1.4 var(--serif); margin: 1.3em 0 .3em; }
.tv-bai p { margin: 0 0 .9em; }
.tv-bai ul, .tv-bai ol { padding-left: 1.3em; margin: 0 0 .9em; }
.tv-bai blockquote { margin: 1em 0; padding: .4em 1em; border-left: 3px solid var(--color-vang); color: var(--color-chu-mo); }
.tv-bai table { display: block; overflow-x: auto; border-collapse: collapse; font: 14px/1.5 var(--sans); margin: 1em 0; max-width: 100%; }
.tv-bai th, .tv-bai td { border: 1px solid var(--color-vien); padding: 6px 10px; text-align: left; vertical-align: top; }
.tv-bai th { background: var(--color-nen-3); }
.tv-bai figure { margin: 1.2em 0; }
.tv-bai img { max-width: 100%; height: auto; border-radius: 12px; }
.tv-bai figcaption { font: 13px/1.5 var(--sans); color: var(--color-chu-mo-2); text-align: center; margin-top: 6px; }
.tv-bai svg { display: block; width: 100%; max-width: 460px; height: auto; margin: 1.2em auto; }
.tv-bai code { font-size: .9em; background: var(--color-nen-3); border: 1px solid var(--color-vien); border-radius: 4px; padding: 0 4px; }
.tv-bai a.lien-ket { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.tv-bai a.thuat-ngu { text-decoration-style: dotted; }