/* ============================================================
   ShinnUI Wiki — "Clean Docs" redesign
   Grid: fixed 232px sidebar | fluid article (max 760px) | 200px TOC.
   Every column is an independent grid track — no flex overlap.
   Type: Inter (UI + headings), JetBrains Mono (code).
   Accent: single emerald; gradients only on small accents.
   ============================================================ */

@font-face {
  font-family: "Monocraft";
  font-style: normal;
  font-display: swap;
  font-weight: 400 700;
  src: url("../fonts/Monocraft.woff2") format("woff2");
}

:root {
  --accent: #2ea043;
  --accent-strong: #1f7a33;
  --accent-soft: rgba(46, 160, 65, .11);

  --bg: #ffffff;
  --bg-subtle: #f6f8f7;
  --surface: #ffffff;
  --border: #e4e9e6;
  --border-strong: #d2dad5;
  --text: #1a241f;
  --text-2: #4c5a53;
  --text-3: #7d8b84;

  --code-bg: #f4f7f5;
  --code-border: #e0e8e3;

  --danger: #c0392b;
  --warn: #b07d18;
  --info: #2270b8;

  --sidebar-w: 232px;
  --toc-w: 200px;
  --doc-max: 760px;
  --topbar-h: 56px;

  --font-ui: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-pixel: "Monocraft", var(--font-ui);
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --r-s: 8px;
  --r-m: 12px;
}

[data-theme="dark"] {
  --accent: #4ade80;
  --accent-strong: #86efac;
  --accent-soft: rgba(74, 222, 128, .12);

  --bg: #101613;
  --bg-subtle: #0c110e;
  --surface: #151d18;
  --border: #253129;
  --border-strong: #33413a;
  --text: #e6efe9;
  --text-2: #a5b8ad;
  --text-3: #75877e;

  --code-bg: #0d1310;
  --code-border: #24312a;

  --danger: #f87171;
  --warn: #fbbf24;
  --info: #60a5fa;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent: #4ade80;
    --accent-strong: #86efac;
    --accent-soft: rgba(74, 222, 128, .12);

    --bg: #101613;
    --bg-subtle: #0c110e;
    --surface: #151d18;
    --border: #253129;
    --border-strong: #33413a;
    --text: #e6efe9;
    --text-2: #a5b8ad;
    --text-3: #75877e;

    --code-bg: #0d1310;
    --code-border: #24312a;

    --danger: #f87171;
    --warn: #fbbf24;
    --info: #60a5fa;
  }
}

/* ---------- reset ---------- */

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 20px); }

body {
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
img { max-width: 100%; }
::selection { background: var(--accent-soft); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ---------- topbar ---------- */

.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.burger {
  display: none;
  width: 34px; height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none !important;
  flex: none;
}
.brand-logo { width: 28px; height: 28px; border-radius: 7px; }
.brand-name { font-family: var(--font-pixel); font-size: .92rem; letter-spacing: .02em; }
.brand-tag {
  font-size: .68rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 1px 8px;
  border-radius: 999px;
}

.search { position: relative; flex: 1; max-width: 400px; margin-left: auto; }
.search input {
  width: 100%;
  height: 34px;
  padding: 0 64px 0 32px;
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  background: var(--bg-subtle);
  color: var(--text);
  font: inherit;
  font-size: .86rem;
  outline: none;
}
.search input:focus { border-color: var(--accent); background: var(--surface); }
.search .s-ico {
  position: absolute; left: 10px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  font-size: 1rem;
  pointer-events: none;
}
.search-hint {
  position: absolute; right: 10px; top: 50%;
  transform: translateY(-50%);
  font-size: .68rem;
  color: var(--text-3);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  box-shadow: 0 12px 32px -8px rgba(0, 0, 0, .18);
  max-height: 400px;
  overflow-y: auto;
  display: none;
  z-index: 60;
}
.search-results.show { display: block; }
.search-results a {
  display: block;
  padding: 9px 14px;
  color: var(--text);
  font-size: .87rem;
  border-bottom: 1px solid var(--border);
}
.search-results a:last-child { border-bottom: none; }
.search-results a small { display: block; color: var(--text-3); font-size: .76rem; }
.search-results a:hover { background: var(--bg-subtle); text-decoration: none; }
.search-results .none { padding: 12px 14px; color: var(--text-3); font-size: .85rem; }

.theme-btn {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  flex: none;
}
.theme-btn:hover { border-color: var(--accent); }

/* ---------- shell grid: sidebar | page(doc + toc) ---------- */

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  padding-top: var(--topbar-h);
  min-height: 100vh;
}

/* ---------- sidebar ---------- */

.sidebar {
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--bg-subtle);
  padding: 16px 10px 32px;
  font-size: .855rem;
  scrollbar-width: thin;
}

.side-group { margin-bottom: 4px; }
.side-group > span {
  display: block;
  padding: 12px 10px 4px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-3);
}
.side-group a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border-radius: 7px;
  color: var(--text-2);
  line-height: 1.45;
}
.side-group a .ico { width: 17px; text-align: center; flex: none; font-size: .88em; opacity: .85; }
.side-group a:hover { background: var(--accent-soft); color: var(--text); text-decoration: none; }
.side-group a.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 600;
}
[data-theme="dark"] .side-group a.active { color: var(--accent-strong); }

.sidebar-scrim {
  display: none;
  position: fixed;
  inset: var(--topbar-h) 0 0 0;
  background: rgba(0, 0, 0, .4);
  z-index: 45;
}

@media (max-width: 1024px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: 0;
    width: min(280px, 82vw);
    z-index: 50;
    transform: translateX(-102%);
    transition: transform .25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar.open + .sidebar-scrim { display: block; }
  .burger { display: block; }
}

/* ---------- page column: doc centered + toc right ---------- */

.page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--toc-w);
  gap: 40px;
  justify-content: center;
  padding: 0 32px;
  width: 100%;
  max-width: calc(var(--doc-max) + var(--toc-w) + 120px);
  margin: 0 auto;
}

.doc {
  min-width: 0;
  max-width: var(--doc-max);
  padding: 30px 0 80px;
}

.toc-wrap { min-width: 0; }
.toc {
  position: sticky;
  top: calc(var(--topbar-h) + 28px);
  max-height: calc(100vh - var(--topbar-h) - 56px);
  overflow-y: auto;
  padding: 32px 0;
  font-size: .8rem;
  scrollbar-width: thin;
}
.toc .toc-title {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}
.toc a {
  display: block;
  padding: 3.5px 0 3.5px 12px;
  color: var(--text-2);
  border-left: 2px solid var(--border);
  line-height: 1.5;
}
.toc a:hover { color: var(--text); text-decoration: none; border-left-color: var(--text-3); }
.toc a.active {
  color: var(--accent-strong);
  border-left-color: var(--accent);
  font-weight: 550;
}
.toc a.lvl3 { padding-left: 26px; font-size: .78rem; }

@media (max-width: 1240px) {
  .page { grid-template-columns: minmax(0, 1fr); max-width: calc(var(--doc-max) + 64px); }
  .toc-wrap { display: none; }
}
@media (max-width: 720px) {
  .page { padding: 0 18px; }
  .doc { padding: 22px 0 64px; }
}

/* ---------- breadcrumbs ---------- */

.crumbs {
  font-size: .78rem;
  color: var(--text-3);
  margin-bottom: 14px;
}
.crumbs a { color: var(--text-3); }
.crumbs a:hover { color: var(--accent); }
.crumbs .sep { margin: 0 6px; opacity: .55; }

/* ---------- typography ---------- */

h1 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -.022em;
  line-height: 1.25;
  margin: 0 0 14px;
  color: var(--text);
}
h2 {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -.014em;
  line-height: 1.35;
  margin: 38px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
h2:first-of-type { border-top: none; padding-top: 0; margin-top: 26px; }
h3 {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 24px 0 9px;
}
h4 { font-size: .92rem; font-weight: 650; margin: 18px 0 7px; }

p { margin: 9px 0; color: var(--text-2); }
p strong, td strong, li strong, .lead strong { color: var(--text); }

.lead { font-size: 1.02rem; color: var(--text-2); max-width: 68ch; }

ol, ul { margin: 9px 0; padding-left: 24px; color: var(--text-2); }
li { margin: 4px 0; }
li::marker { color: var(--text-3); }

hr { border: none; border-top: 1px solid var(--border); margin: 26px 0; }

.anchor-link {
  margin-left: 7px;
  opacity: 0;
  font-weight: 400;
  font-size: .82em;
}
h2:hover .anchor-link, h3:hover .anchor-link { opacity: .6; }

/* ---------- hero (home) ---------- */

.hero {
  border: 1px solid var(--border);
  border-radius: 16px;
  background:
    radial-gradient(480px 200px at 90% -20%, var(--accent-soft), transparent),
    var(--surface);
  padding: 32px 30px;
  margin: 14px 0 22px;
}
.hero h1 { font-size: 1.95rem; margin: 12px 0 10px; }
.hero h1.hero-title { font-size: 1.95rem; }
.hero .badges { margin-bottom: 2px; }

.badges { display: flex; gap: 7px; flex-wrap: wrap; }
.badge {
  font-size: .74rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  color: var(--text-2);
}
.badge b { color: var(--accent); font-weight: 700; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: 10px;
  font-size: .89rem;
  font-weight: 600;
  background: var(--accent);
  color: #fff !important;
  text-decoration: none !important;
  transition: background .15s ease, transform .15s ease;
}
.btn:hover { background: var(--accent-strong); transform: translateY(-1px); }
.btn.ghost {
  background: var(--surface);
  color: var(--text) !important;
  border: 1px solid var(--border-strong);
}
.btn.ghost:hover { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- cards ---------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.feature-card {
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  background: var(--surface);
  padding: 17px 16px;
  transition: border-color .15s ease;
}
.feature-card:hover { border-color: var(--accent); }
.feature-card .fc-ico { font-size: 1.25rem; margin-bottom: 9px; }
.feature-card h3 { margin: 0 0 5px; font-size: .93rem; }
.feature-card p { margin: 0 0 9px; font-size: .855rem; line-height: 1.6; color: var(--text-2); }
.grad-link { font-size: .84rem; font-weight: 600; }

.split2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 16px 0; }
@media (max-width: 720px) { .split2 { grid-template-columns: 1fr; } }

/* ---------- tables ---------- */

.table-scroll { overflow-x: auto; margin: 14px 0; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .865rem;
  border: 1px solid var(--border);
  border-radius: var(--r-s);
  overflow: hidden;
}
th, td { text-align: left; }
th {
  font-weight: 650;
  font-size: .78rem;
  letter-spacing: .01em;
  padding: 8px 12px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
td {
  padding: 7.5px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  line-height: 1.55;
  overflow-wrap: break-word;
}
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg-subtle); }
td code, th code { font-size: .82rem; }

/* ---------- code ---------- */

code {
  font-family: var(--font-mono);
  font-size: .84em;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 5px;
  padding: 1px 5px;
  color: var(--text);
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: var(--r-m);
  padding: 13px 15px;
  overflow-x: auto;
  margin: 13px 0;
  font-size: .82rem;
  line-height: 1.6;
  position: relative;
}
pre code { background: none; border: none; padding: 0; font-size: inherit; }

.tk-key { color: #cf222e; }
.tk-str { color: #0a7d32; }
.tk-num { color: #9a5b00; }
.tk-com { color: var(--text-3); font-style: italic; }
.tk-bool { color: #8250df; }
.tk-punc { color: var(--text-3); }
.tk-fn { color: #0550ae; }

[data-theme="dark"] .tk-key, :root:not([data-theme="light"]) .tk-key { color: #ff7b93; }
[data-theme="dark"] .tk-str, :root:not([data-theme="light"]) .tk-str { color: #7ee787; }
[data-theme="dark"] .tk-num, :root:not([data-theme="light"]) .tk-num { color: #ffa657; }
[data-theme="dark"] .tk-bool, :root:not([data-theme="light"]) .tk-bool { color: #d2a8ff; }
[data-theme="dark"] .tk-fn, :root:not([data-theme="light"]) .tk-fn { color: #79c0ff; }

.pre-wrap { position: relative; }
.copy-btn {
  position: absolute;
  top: 7px; right: 7px;
  border: 1px solid var(--code-border);
  background: var(--surface);
  color: var(--text-3);
  border-radius: 7px;
  font-size: .71rem;
  font-weight: 600;
  padding: 3px 9px;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s ease;
}
.pre-wrap:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- callouts ---------- */

.note, .tip, .warn, .danger {
  border: 1px solid;
  border-radius: var(--r-m);
  padding: 12px 15px;
  margin: 13px 0;
  font-size: .885rem;
  display: flow-root;
}
.note, .tip > *, .warn > *, .danger > * { color: var(--text-2); }
.note > :first-child, .tip > :first-child, .warn > :first-child, .danger > :first-child { margin-top: 0; }
.note > :last-child, .tip > :last-child, .warn > :last-child, .danger > :last-child { margin-bottom: 0; }

.note   { background: rgba(34, 112, 184, .07); border-color: rgba(34, 112, 184, .3); }
.note::before  { content: "Ghi chú"; display: block; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--info); margin-bottom: 4px; }
.tip    { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.tip::before   { content: "Mẹo"; display: block; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--accent); margin-bottom: 4px; }
.warn   { background: rgba(176, 125, 24, .07); border-color: rgba(176, 125, 24, .32); }
.warn::before  { content: "Lưu ý"; display: block; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--warn); margin-bottom: 4px; }
.danger { background: rgba(192, 57, 43, .06); border-color: rgba(192, 57, 43, .3); }
.danger::before { content: "Nguy hiểm"; display: block; font-size: .74rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--danger); margin-bottom: 4px; }

/* ---------- kbd / tabs / details ---------- */

.kbd {
  font-size: .74rem;
  padding: 2px 7px;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--bg-subtle);
  color: var(--text);
  white-space: nowrap;
}

.tabs { margin: 14px 0; border: 1px solid var(--border); border-radius: var(--r-m); overflow: hidden; }
.tab-head { display: flex; flex-wrap: wrap; border-bottom: 1px solid var(--border); background: var(--bg-subtle); }
.tab-label {
  padding: 8px 15px;
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  background: none;
  border-top: none; border-left: none; border-right: none;
}
.tab-label:hover { color: var(--text); }
.tab-label.active { color: var(--accent); border-bottom-color: var(--accent); background: var(--surface); }
.tab-panel { display: none; padding: 13px 15px; }
.tab-panel.active { display: block; }
.tab-panel > :last-child { margin-bottom: 0; }
.tab-panel > :first-child { margin-top: 0; }

details {
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  background: var(--surface);
  margin: 12px 0;
  padding: 0 15px;
}
details[open] { padding-bottom: 10px; }
details summary {
  cursor: pointer;
  padding: 10px 0;
  font-weight: 600;
  font-size: .9rem;
  color: var(--text);
  list-style: none;
  position: relative;
  padding-right: 26px;
}
details summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  color: var(--accent);
  font-weight: 700;
}
details[open] summary::after { content: "–"; }
details summary::-webkit-details-marker { display: none; }

/* ---------- pager & footer ---------- */

.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.pager a {
  border: 1px solid var(--border);
  border-radius: var(--r-m);
  padding: 11px 15px;
  background: var(--surface);
  text-decoration: none !important;
  transition: border-color .15s ease;
}
.pager a:hover { border-color: var(--accent); }
.pager a.disabled { opacity: .38; pointer-events: none; }
.pager .dir { font-size: .68rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--text-3); }
.pager .name { color: var(--accent); font-weight: 600; font-size: .89rem; }
.pager a.next { text-align: right; }

.footer {
  margin-top: 52px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: .79rem;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: space-between;
}

@media (max-width: 720px) {
  h1 { font-size: 1.4rem; }
  .hero h1 { font-size: 1.55rem; }
  h2 { font-size: 1.1rem; }
  .hero { padding: 24px 20px; }
  .pager { grid-template-columns: 1fr; }
  .pager a.next { text-align: left; }
  .search-hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}