/* ---------------------------------------------------------------------------
   Chrome của DEMO (khung ngoài) — cố ý khác với lớp .wn của sản phẩm,
   để người xem luôn phân biệt được "đây là khung trưng bày" và "đây là sản phẩm".
   --------------------------------------------------------------------------- */

/* Hai con số này CSS và JS cùng đọc — đừng để chúng tách ra hai nơi. */
:root { --wnd-topbar-h: 60px; --wnd-canvas-pad: 24px; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--wn-font);
  background: var(--wn-bg);
  color: var(--wn-text);
  font-size: var(--wn-text-body-compact);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex; flex-direction: column;
}

.skip-link {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link:focus {
  position: fixed; top: 12px; left: 12px; z-index: 100;
  width: auto; height: auto; clip: auto; margin: 0;
  padding: 10px 16px; border-radius: var(--wn-radius-md);
  background: var(--wn-accent); color: var(--wn-on-accent); font-weight: 600;
}

.wnd-noscript {
  position: fixed; inset: auto 16px 16px; z-index: 90;
  padding: 16px; border-radius: var(--wn-radius-lg);
  background: var(--wn-warning); color: #fff; font-weight: 600;
}

:where(button, a, input, select, [tabindex]):focus-visible {
  outline: 2px solid var(--wn-focus); outline-offset: 2px; border-radius: var(--wn-radius-sm);
}

/* ---------------------------------------------------------------- top bar -- */

.wnd-topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: var(--wn-space-4);
  padding: 10px var(--wn-space-5);
  background: color-mix(in srgb, var(--wn-surface) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--wn-border);
  min-height: var(--wnd-topbar-h);
}

.wnd-wordmark { display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit; flex: none; }
.wnd-wordmark:hover { text-decoration: none; }
.wnd-wordmark__mark { width: 32px; height: 32px; border-radius: 9px; }
.wnd-wordmark__text { display: grid; line-height: 1.15; }
.wnd-wordmark__text b { font-size: var(--wn-text-label); font-weight: 700; letter-spacing: -0.01em; }
.wnd-wordmark__text span { font-size: 11px; color: var(--wn-muted); font-weight: 500; }

.wnd-sections { display: flex; gap: 2px; flex: 1 1 auto; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.wnd-sections::-webkit-scrollbar { display: none; }
.wnd-sections a {
  display: inline-flex; align-items: center; gap: var(--wn-space-2); white-space: nowrap;
  padding: var(--wn-space-2) var(--wn-space-3); border-radius: var(--wn-radius-pill);
  font-size: var(--wn-text-caption); font-weight: 600; color: var(--wn-text-secondary);
  text-decoration: none; transition: background-color var(--wn-motion-fast) var(--wn-easing),
                                     color var(--wn-motion-fast) var(--wn-easing);
}
.wnd-sections a svg { width: 16px; height: 16px; }
.wnd-sections a:hover { background: color-mix(in srgb, var(--wn-border) 45%, transparent); text-decoration: none; }
.wnd-sections a[aria-current="page"] {
  background: color-mix(in srgb, var(--wn-accent) 13%, transparent); color: var(--wn-accent);
}

.wnd-topbar__tools { display: flex; align-items: center; gap: var(--wn-space-2); flex: none; }

.wnd-segmented {
  display: inline-flex; gap: var(--wn-space-0\.5); padding: var(--wn-space-1);
  background: color-mix(in srgb, var(--wn-border) 45%, transparent);
  border-radius: var(--wn-radius-pill);
}
.wnd-segmented button {
  display: grid; place-items: center; width: 34px; height: 30px;
  border: 0; background: transparent; border-radius: var(--wn-radius-pill);
  color: var(--wn-text-secondary); cursor: pointer;
  transition: background-color var(--wn-motion-fast) var(--wn-easing), color var(--wn-motion-fast) var(--wn-easing);
}
.wnd-segmented button svg { width: 17px; height: 17px; }
.wnd-segmented button:hover { color: var(--wn-text); }
.wnd-segmented button[aria-pressed="true"] {
  background: var(--wn-surface); color: var(--wn-accent); box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

.wnd-iconbtn {
  display: grid; place-items: center; width: 38px; height: 38px;
  border: 1px solid var(--wn-border-strong); background: var(--wn-surface);
  border-radius: var(--wn-radius-md); color: var(--wn-text); cursor: pointer;
}
.wnd-iconbtn svg { width: 20px; height: 20px; }
.wnd-menu-toggle { display: none; }

/* -------------------------------------------------------------- body/rail -- */

.wnd-body { flex: 1 1 auto; display: flex; min-height: 0; }

.wnd-rail {
  flex: none; width: 268px; border-right: 1px solid var(--wn-border);
  background: var(--wn-surface); overflow-y: auto; padding: var(--wn-space-4) 0 var(--wn-space-10);
}
.wnd-rail[hidden] { display: none; }
.wnd-rail__search { padding: 0 var(--wn-space-4) var(--wn-space-3); }
.wnd-rail__search input {
  width: 100%; min-height: 38px; padding: 8px 12px;
  border: 1px solid var(--wn-border-strong); border-radius: var(--wn-radius-md);
  background: var(--wn-bg); color: var(--wn-text); font-size: var(--wn-text-caption);
}
.wnd-rail__group { padding: var(--wn-space-2) 0; }
.wnd-rail__grouphead {
  display: flex; align-items: center; gap: 8px; width: 100%;
  padding: var(--wn-space-2) var(--wn-space-4); border: 0; background: transparent; cursor: pointer;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--wn-muted); text-align: left;
}
.wnd-rail__grouphead .wnd-count {
  margin-left: auto; font-size: 11px; letter-spacing: 0; font-weight: 600;
  background: color-mix(in srgb, var(--wn-border) 60%, transparent);
  color: var(--wn-text-secondary); border-radius: var(--wn-radius-pill); padding: var(--wn-space-0\.5) var(--wn-space-2);
}
.wnd-rail__grouphead .wnd-dot { width: 8px; height: 8px; border-radius: 999px; flex: none; }
.wnd-rail a {
  display: flex; align-items: center; gap: 8px;
  padding: var(--wn-space-2) var(--wn-space-4) var(--wn-space-2) var(--wn-space-8); text-decoration: none;
  font-size: var(--wn-text-caption); color: var(--wn-text-secondary);
  border-left: 2px solid transparent;
}
.wnd-rail a:hover { background: color-mix(in srgb, var(--wn-accent) 6%, transparent); color: var(--wn-text); text-decoration: none; }
.wnd-rail a[aria-current="page"] {
  background: color-mix(in srgb, var(--wn-accent) 11%, transparent);
  color: var(--wn-accent); font-weight: 600; border-left-color: var(--wn-accent);
}
.wnd-live {
  font-size: 10px; font-weight: 700; letter-spacing: 0.04em; white-space: nowrap;
  color: var(--wn-success); border: 1px solid color-mix(in srgb, var(--wn-success) 40%, transparent);
  border-radius: 999px; padding: 0 6px; display: inline-block; vertical-align: middle;
}
.wnd-rail .wnd-live {
  margin-left: auto; font-size: 10px; font-weight: 700; letter-spacing: 0.04em;
  color: var(--wn-success); border: 1px solid color-mix(in srgb, var(--wn-success) 40%, transparent);
  border-radius: 999px; padding: 0 6px; flex: none;
}

/* ------------------------------------------------------------------ stage -- */

.wnd-stage { flex: 1 1 auto; min-width: 0; overflow-y: auto; outline: none; }
.wnd-stage--canvas {
  background:
    radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--wn-border-strong) 45%, transparent) 1px, transparent 0)
    0 0 / 22px 22px,
    linear-gradient(180deg, color-mix(in srgb, var(--wn-accent) 4%, var(--wn-bg)), var(--wn-bg) 320px);
}

.wnd-canvaswrap { padding: var(--wnd-canvas-pad) var(--wnd-canvas-pad) var(--wn-space-12);
  display: grid; justify-items: center; gap: var(--wn-space-4); }

.wnd-frame {
  width: 100%; max-width: var(--wnd-frame-w, 1280px);
  background: var(--wn-bg);
  border: 1px solid var(--wn-border-strong);
  border-radius: var(--wn-radius-xl);
  box-shadow: var(--wn-shadow-raised);
  overflow: hidden;
  transition: max-width var(--wn-motion-base) var(--wn-easing);
}
.wnd-frame__chrome {
  display: flex; align-items: center; gap: 8px;
  padding: var(--wn-space-2) var(--wn-space-4); background: var(--wn-surface); border-bottom: 1px solid var(--wn-border);
  font-size: 11px; color: var(--wn-muted); font-weight: 600;
}
.wnd-frame__dots { display: flex; gap: var(--wn-space-1\.5); }
.wnd-frame__dots i { width: 9px; height: 9px; border-radius: 999px; background: var(--wn-border-strong); opacity: 0.55; }
.wnd-frame__url {
  flex: 1 1 auto; text-align: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-weight: 500;
}
.wnd-frame__viewport {
  container-type: inline-size; container-name: screen;
  height: var(--wnd-frame-h, 720px);
  overflow: hidden; position: relative;
  transition: height var(--wn-motion-base) var(--wn-easing);
}
.wnd-frame__viewport > .wn { height: 100%; overflow: auto; }

.wnd-caption {
  width: 100%; max-width: var(--wnd-frame-w, 1280px);
  display: flex; align-items: flex-start; gap: var(--wn-space-4); flex-wrap: wrap;
  padding: var(--wn-space-4) var(--wn-space-5);
  background: var(--wn-surface); border: 1px solid var(--wn-border);
  border-radius: var(--wn-radius-lg); box-shadow: var(--wn-shadow-card);
}
.wnd-caption__main { flex: 1 1 320px; min-width: 0; display: grid; gap: 4px; }
.wnd-caption__title { font-size: var(--wn-text-title); font-weight: 700; letter-spacing: -0.01em; }
.wnd-caption__desc { font-size: var(--wn-text-caption); color: var(--wn-text-secondary); max-width: 74ch; }
.wnd-caption__side { display: flex; gap: var(--wn-space-2); align-items: center; flex-wrap: wrap; }
.wnd-id {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 11px; letter-spacing: 0.02em;
  background: color-mix(in srgb, var(--wn-border) 55%, transparent);
  color: var(--wn-text-secondary); padding: var(--wn-space-0\.5) var(--wn-space-2);
  border-radius: var(--wn-radius-sm);
}
.wnd-statebar { display: flex; gap: var(--wn-space-1); padding: var(--wn-space-1); border-radius: var(--wn-radius-pill);
  background: color-mix(in srgb, var(--wn-border) 45%, transparent); }
.wnd-statebar button {
  border: 0; background: transparent; border-radius: var(--wn-radius-pill); cursor: pointer;
  padding: var(--wn-space-1\.5) var(--wn-space-3); font-size: var(--wn-text-micro); font-weight: 600; color: var(--wn-text-secondary);
}
.wnd-statebar button[aria-pressed="true"] { background: var(--wn-surface); color: var(--wn-accent); }

.wnd-prevnext { display: flex; gap: var(--wn-space-2); width: 100%; max-width: var(--wnd-frame-w, 1280px); }
.wnd-prevnext a {
  flex: 1 1 0; display: flex; align-items: center; gap: 10px; min-width: 0;
  padding: 12px var(--wn-space-4); border-radius: var(--wn-radius-md);
  border: 1px solid var(--wn-border); background: var(--wn-surface);
  text-decoration: none; color: var(--wn-text); font-size: var(--wn-text-caption);
}
.wnd-prevnext a:hover { border-color: var(--wn-accent); text-decoration: none; }
.wnd-prevnext a svg { width: 18px; height: 18px; color: var(--wn-muted); flex: none; }
.wnd-prevnext a.is-next { justify-content: flex-end; text-align: right; }
.wnd-prevnext a span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wnd-prevnext .wnd-ph { flex: 1 1 0; }

/* ------------------------------------------------------------- doc pages -- */

.wnd-doc { max-width: 1080px; margin-inline: auto; padding: var(--wn-space-10) var(--wn-space-6) var(--wn-space-16); display: grid; gap: var(--wn-space-12); }
.wnd-doc--narrow { max-width: 860px; }

.wnd-hero { display: grid; gap: var(--wn-space-5); }
.wnd-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; align-self: start;
  justify-self: start;
  padding: var(--wn-space-1\.5) var(--wn-space-3); border-radius: var(--wn-radius-pill);
  background: color-mix(in srgb, var(--wn-accent) 12%, transparent);
  color: var(--wn-accent); font-size: var(--wn-text-micro); font-weight: 700;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.wnd-eyebrow svg { width: 14px; height: 14px; }
.wnd-doc a.wn-btn, .wnd-caption a.wn-btn { text-decoration: none; }
.wnd-hero .wn-row { justify-self: start; }
.wnd-h1 { font-size: clamp(30px, 4.6vw, 46px); line-height: 1.1; font-weight: 700; letter-spacing: -0.025em; margin: 0; }
.wnd-lede { font-size: clamp(16px, 1.7vw, 19px); line-height: 1.55; color: var(--wn-text-secondary); max-width: 70ch; margin: 0; }
.wnd-quote {
  border-left: 3px solid var(--wn-brand); padding: 4px 0 4px var(--wn-space-5);
  font-size: clamp(18px, 2.2vw, 24px); line-height: 1.4; font-weight: 600; letter-spacing: -0.01em;
}

.wnd-h2 { font-size: var(--wn-text-headline); font-weight: 700; letter-spacing: -0.015em; margin: 0; }
.wnd-h3 { font-size: var(--wn-text-title); font-weight: 600; margin: 0; }
.wnd-section { display: grid; gap: var(--wn-space-5); }
.wnd-section__head { display: grid; gap: 6px; }
.wnd-section__head p { margin: 0; color: var(--wn-text-secondary); max-width: 72ch; font-size: var(--wn-text-body-compact); }

.wnd-cards { display: grid; gap: var(--wn-space-4); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.wnd-card {
  display: grid; gap: 10px; align-content: start;
  padding: var(--wn-space-5); border-radius: var(--wn-radius-lg);
  border: 1px solid var(--wn-border); background: var(--wn-surface); box-shadow: var(--wn-shadow-card);
}
.wnd-card h3 { font-size: var(--wn-text-label); font-weight: 700; margin: 0; }
.wnd-card p { margin: 0; font-size: var(--wn-text-caption); color: var(--wn-text-secondary); line-height: 1.55; }
.wnd-card__icon { width: 38px; height: 38px; border-radius: var(--wn-radius-md); display: grid; place-items: center;
  background: color-mix(in srgb, var(--wn-accent) 12%, transparent); color: var(--wn-accent); }
.wnd-card__icon svg { width: 20px; height: 20px; }
.wnd-card--link { text-decoration: none; color: inherit; transition: border-color var(--wn-motion-fast) var(--wn-easing),
                                                                      transform var(--wn-motion-fast) var(--wn-easing); }
.wnd-card--link:hover { text-decoration: none; border-color: var(--wn-accent); transform: translateY(-2px); }

.wnd-stat { display: grid; gap: 2px; }
.wnd-stat b { font-size: clamp(26px, 3.4vw, 36px); line-height: 1; font-weight: 700; letter-spacing: -0.03em; }
.wnd-stat span { font-size: var(--wn-text-caption); color: var(--wn-text-secondary); }

.wnd-loop { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.wnd-loop__step {
  padding: var(--wn-space-2\.5) var(--wn-space-4); border-radius: var(--wn-radius-pill); font-size: var(--wn-text-caption); font-weight: 600;
  background: var(--wn-surface); border: 1px solid var(--wn-border-strong);
}
.wnd-loop__arrow { color: var(--wn-muted); display: grid; place-items: center; }
.wnd-loop__arrow svg { width: 18px; height: 18px; }

.wnd-planes { display: grid; gap: var(--wn-space-3); }
.wnd-plane {
  display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: var(--wn-space-4); align-items: center;
  padding: var(--wn-space-4); border-radius: var(--wn-radius-lg);
  border: 1px solid var(--wn-border); background: var(--wn-surface); text-decoration: none; color: inherit;
  transition: border-color var(--wn-motion-fast) var(--wn-easing), transform var(--wn-motion-fast) var(--wn-easing);
}
.wnd-plane:hover { text-decoration: none; border-color: var(--wn-accent); transform: translateX(2px); }
.wnd-plane__badge { width: 44px; height: 44px; border-radius: var(--wn-radius-md); display: grid; place-items: center; color: #fff; }
.wnd-plane__badge svg { width: 22px; height: 22px; }
.wnd-plane__body { display: grid; gap: var(--wn-space-1); min-width: 0; }
.wnd-plane__body b { font-size: var(--wn-text-label); }
.wnd-plane__body span { font-size: var(--wn-text-caption); color: var(--wn-text-secondary); }
.wnd-plane__n { font-size: var(--wn-text-caption); color: var(--wn-muted); font-weight: 600; white-space: nowrap; }

.wnd-strategies { display: grid; gap: var(--wn-space-3); grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.wnd-strategy { display: grid; gap: 8px; padding: var(--wn-space-4); border-radius: var(--wn-radius-lg);
  border: 1px solid var(--wn-border); background: var(--wn-surface); }
.wnd-strategy__icon { width: 34px; height: 34px; border-radius: 999px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--wn-brand) 18%, transparent); color: var(--wn-accent); }
.wnd-strategy__icon svg { width: 18px; height: 18px; }
.wnd-strategy b { font-size: var(--wn-text-label); }
.wnd-strategy span { font-size: var(--wn-text-caption); color: var(--wn-text-secondary); line-height: 1.5; }

/* ba vai */
.wnd-roles { display: grid; gap: var(--wn-space-5); grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.wnd-role {
  display: grid; gap: var(--wn-space-3); align-content: start;
  padding: var(--wn-space-6); border-radius: var(--wn-radius-xl);
  border: 1px solid var(--wn-border); background: var(--wn-surface); box-shadow: var(--wn-shadow-card);
  text-decoration: none; color: inherit;
  transition: transform var(--wn-motion-base) var(--wn-easing), box-shadow var(--wn-motion-base) var(--wn-easing);
}
.wnd-role:hover { text-decoration: none; transform: translateY(-3px); box-shadow: var(--wn-shadow-raised); }
.wnd-role__num { font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--wn-muted); }
.wnd-role h3 { font-size: var(--wn-text-title); font-weight: 700; margin: 0; }
.wnd-role p { margin: 0; font-size: var(--wn-text-caption); color: var(--wn-text-secondary); line-height: 1.6; }
.wnd-role__steps { display: grid; gap: 6px; font-size: var(--wn-text-caption); color: var(--wn-text-secondary); }
.wnd-role__steps li { display: flex; gap: var(--wn-space-2); align-items: flex-start; }
.wnd-role__steps svg { width: 15px; height: 15px; color: var(--wn-accent); flex: none; margin-top: var(--wn-space-0\.5); }
.wnd-role__cta { display: inline-flex; align-items: center; gap: 8px; font-size: var(--wn-text-label);
  font-weight: 600; color: var(--wn-accent); }
.wnd-role__cta svg { width: 16px; height: 16px; }

.wnd-flowbar {
  display: flex; align-items: flex-start; gap: var(--wn-space-3); flex-wrap: nowrap;
  padding: var(--wn-space-4) var(--wn-space-5); border-radius: var(--wn-radius-lg);
  border: 1px dashed var(--wn-border-strong);
  background: color-mix(in srgb, var(--wn-accent) 5%, var(--wn-surface));
  font-size: var(--wn-text-caption);
}
.wnd-flowbar b { font-weight: 700; }
.wnd-flowbar > svg:first-child { width: 20px; height: 20px; flex: none; color: var(--wn-accent); margin-top: 1px; }
.wnd-loop__step svg, .wnd-eyebrow svg { flex: none; }

/* hệ thiết kế */
.wnd-swatches { display: grid; gap: var(--wn-space-3); grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.wnd-swatch { border-radius: var(--wn-radius-md); overflow: hidden; border: 1px solid var(--wn-border); background: var(--wn-surface); }
.wnd-swatch__chip { height: 58px; }
.wnd-swatch__meta { padding: var(--wn-space-2\.5) var(--wn-space-3); display: grid; gap: var(--wn-space-0\.5); }
.wnd-swatch__meta b { font-size: var(--wn-text-micro); }
.wnd-swatch__meta code { font-size: 11px; color: var(--wn-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.wnd-table { width: 100%; border-collapse: collapse; font-size: var(--wn-text-caption); }
.wnd-table th, .wnd-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--wn-border); vertical-align: top; }
.wnd-table th { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--wn-muted); font-weight: 700; }
.wnd-table code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 11.5px; }
.wnd-tablewrap { overflow-x: auto; border: 1px solid var(--wn-border); border-radius: var(--wn-radius-lg); background: var(--wn-surface); }

.wnd-pass, .wnd-fail {
  display: inline-flex; align-items: center; gap: var(--wn-space-1\.5); font-weight: 700; font-size: var(--wn-text-micro);
  padding: var(--wn-space-0\.5) var(--wn-space-2); border-radius: var(--wn-radius-pill); white-space: nowrap;
}
.wnd-pass { color: var(--wn-success); background: color-mix(in srgb, var(--wn-success) 13%, transparent); }
.wnd-fail { color: var(--wn-danger);  background: color-mix(in srgb, var(--wn-danger) 13%, transparent); }
.wnd-pass svg, .wnd-fail svg { width: 12px; height: 12px; }

.wnd-rule { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: var(--wn-space-4);
  padding: var(--wn-space-4) 0; border-bottom: 1px solid var(--wn-border); }
.wnd-rule:last-child { border-bottom: 0; }
.wnd-rule__n { font-weight: 800; font-size: var(--wn-text-label); color: var(--wn-accent);
  background: color-mix(in srgb, var(--wn-accent) 11%, transparent);
  border-radius: var(--wn-radius-sm); display: grid; place-items: center; height: 30px; }
.wnd-rule__body { display: grid; gap: var(--wn-space-1\.5); }
.wnd-rule__body b { font-size: var(--wn-text-label); }
.wnd-rule__body p { margin: 0; font-size: var(--wn-text-caption); color: var(--wn-text-secondary); line-height: 1.55; }
.wnd-rule__forbid { font-size: var(--wn-text-caption); color: var(--wn-danger); }

.wnd-vs { display: grid; gap: var(--wn-space-4); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: var(--wn-space-2); }
.wnd-vs__box { border-radius: var(--wn-radius-md); border: 1px solid var(--wn-border); padding: var(--wn-space-4); background: var(--wn-bg); }
.wnd-vs__tag { display: inline-flex; align-items: center; gap: 6px; font-size: var(--wn-text-micro);
  font-weight: 700; margin-bottom: 10px; }
.wnd-vs__tag svg { width: 13px; height: 13px; }
.wnd-vs__box--ok  { border-color: color-mix(in srgb, var(--wn-success) 40%, transparent); }
.wnd-vs__box--no  { border-color: color-mix(in srgb, var(--wn-danger) 40%, transparent); }
.wnd-vs__box--ok  .wnd-vs__tag { color: var(--wn-success); }
.wnd-vs__box--no  .wnd-vs__tag { color: var(--wn-danger); }

.wnd-typerow { display: flex; align-items: baseline; gap: var(--wn-space-4); padding: 12px 0; border-bottom: 1px solid var(--wn-border); }
.wnd-typerow:last-child { border-bottom: 0; }
.wnd-typerow__meta { flex: none; width: 168px; font-size: 11px; color: var(--wn-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.wnd-typerow__sample { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.wnd-scaleline { display: flex; align-items: center; gap: var(--wn-space-3); font-size: var(--wn-text-micro); color: var(--wn-muted); }
.wnd-scaleline i { display: block; height: 22px; border-radius: 3px; background: color-mix(in srgb, var(--wn-accent) 30%, transparent); }

/* toast của demo */
.wnd-toasts { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 80;
  display: grid; gap: 8px; justify-items: center; pointer-events: none; }
.wnd-toast {
  padding: 10px 18px; border-radius: var(--wn-radius-pill);
  background: var(--wn-text); color: var(--wn-bg);
  font-size: var(--wn-text-caption); font-weight: 600; box-shadow: var(--wn-shadow-raised);
  animation: wnd-toast-in var(--wn-motion-base) var(--wn-easing);
}
@keyframes wnd-toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* trang tự kiểm tra */
.wnd-check__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--wn-space-3);
  padding: var(--wn-space-2) 0; border-bottom: 1px solid var(--wn-border); font-size: var(--wn-text-caption); }

/* --------------------------------------------------------------- mobile --- */

/* Ngăn kéo danh sách màn là một lớp phủ — nên phải có lớp mờ, và chạm ra ngoài thì đóng. */
.wnd-railscrim { display: none; }

@media (max-width: 1080px) {
  .wnd-rail { position: fixed; inset: var(--wnd-topbar-h) auto 0 0; z-index: 25; width: 280px;
    box-shadow: var(--wn-shadow-raised); transform: translateX(-100%);
    transition: transform var(--wn-motion-base) var(--wn-easing); }
  .wnd-rail[hidden] { display: block; pointer-events: none; }
  .wnd-rail.is-open { transform: none; pointer-events: auto; }
  .wnd-menu-toggle { display: grid; }
  :root { --wnd-canvas-pad: 16px; }

  .wnd-railscrim { display: block; position: fixed; inset: var(--wnd-topbar-h) 0 0 0; z-index: 24;
    background: rgba(15, 23, 42, 0.48); opacity: 0; pointer-events: none;
    transition: opacity var(--wn-motion-base) var(--wn-easing); }
  .wnd-railscrim.is-on { opacity: 1; pointer-events: auto; }
}

@media (max-width: 720px) {
  .wnd-topbar { padding-inline: var(--wn-space-3); gap: var(--wn-space-2); }
  .wnd-wordmark__text { display: none; }
  .wnd-sections a span { display: none; }
  .wnd-sections a { padding: var(--wn-space-2) var(--wn-space-2\.5); }
  .wnd-doc { padding: var(--wn-space-6) var(--wn-space-4) var(--wn-space-12); gap: var(--wn-space-8); }
  #wnd-viewport { display: none; }

  /* Trên điện thoại, khung thiết bị không còn nói lên điều gì — nó chỉ ăn mất màn hình và
     đẻ ra tầng cuộn thứ hai, khiến bottom nav và bottom sheet tụt xuống dưới mép máy.
     Bỏ khung: màn sản phẩm chiếm trọn phần dưới thanh trên, chỉ còn MỘT tầng cuộn. */
  :root { --wnd-canvas-pad: 0px; }
  .wnd-frame { max-width: none; border: 0; border-radius: 0; box-shadow: none; }
  .wnd-frame__chrome { display: none; }
  .wnd-frame__viewport { height: calc(100vh - var(--wnd-topbar-h) - var(--wn-space-8)); }
  /* svh (không phải dvh): thanh công cụ của trình duyệt ẩn/hiện sẽ không làm khung co giãn
     giữa lúc đang cuộn — và vì luôn ≤ khung nhìn thật, không bao giờ bị cắt. */
  @supports (height: 100svh) {
    .wnd-frame__viewport { height: calc(100svh - var(--wnd-topbar-h) - var(--wn-space-8)); }
  }
  .wnd-caption, .wnd-prevnext { width: calc(100% - var(--wn-space-8)); max-width: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}