/* DeutschUM 2026 — authoritative visual system loaded after legacy styles. */
:root {
  --du-red: #d51b16;
  --du-red-dark: #a91310;
  --du-red-soft: #fff0ee;
  --du-ink: #0d1b2d;
  --du-ink-2: #18263a;
  --du-muted: #64748b;
  --du-line: #dfe5ec;
  --du-surface: #ffffff;
  --du-canvas: #f7f7f4;
  --du-blue: #2d5bff;
  --du-green: #16875c;
  --du-amber: #b66a08;
  --du-radius-sm: 10px;
  --du-radius: 18px;
  --du-radius-lg: 28px;
  --du-shadow-sm: 0 8px 24px rgba(13, 27, 45, .07);
  --du-shadow: 0 24px 70px rgba(13, 27, 45, .12);
  --du-focus: 0 0 0 4px rgba(45, 91, 255, .22);
}

html { scroll-behavior: smooth; }
body {
  color: var(--du-ink);
  background: var(--du-canvas);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body, button, input, select, textarea { font-family: inherit; }
img, video, canvas, iframe { max-width: 100%; }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
a, button { transition: color .18s ease, background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--du-blue) !important;
  outline-offset: 3px !important;
  box-shadow: var(--du-focus) !important;
}
button:disabled, input:disabled { cursor: not-allowed; opacity: .55; }
.wrap { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { background: var(--du-ink); color: #fff; border-radius: 0 0 10px 10px; }

/* Header and navigation */
.site-header {
  position: sticky !important;
  top: 0;
  z-index: 1000 !important;
  height: 78px !important;
  border-top: 4px solid var(--du-red) !important;
  border-bottom: 1px solid rgba(13, 27, 45, .09) !important;
  background: rgba(255, 255, 255, .94) !important;
  box-shadow: 0 8px 28px rgba(13, 27, 45, .045) !important;
  backdrop-filter: blur(18px);
}
.site-header .nav-wrap { height: 74px !important; gap: 26px !important; }
.brand { color: var(--du-ink) !important; font-family: Manrope, Inter, sans-serif !important; font-weight: 850 !important; letter-spacing: -.055em !important; text-decoration: none !important; }
.brand-mark { display: none !important; }
.brand > span:last-of-type > span { color: var(--du-red) !important; }
.site-nav { align-items: stretch !important; gap: 2px !important; }
.site-nav > a, .nav-dropdown > summary {
  min-height: 46px;
  padding: 0 13px !important;
  border-radius: 12px !important;
  color: var(--du-ink-2) !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  display: inline-flex;
  align-items: center;
}
.site-nav > a:hover, .nav-dropdown > summary:hover, .site-nav > a.active, .nav-dropdown.active > summary {
  color: var(--du-red) !important;
  background: var(--du-red-soft) !important;
}
.site-nav > a.active::after { height: 2px !important; background: var(--du-red) !important; }
.nav-dropdown-menu {
  min-width: 230px !important;
  margin-top: 10px !important;
  padding: 9px !important;
  border: 1px solid var(--du-line) !important;
  border-radius: 16px !important;
  background: #fff !important;
  box-shadow: var(--du-shadow) !important;
}
.nav-dropdown-menu a { padding: 12px 14px !important; border-radius: 10px !important; color: var(--du-ink) !important; font-weight: 650 !important; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu a.active { color: var(--du-red) !important; background: var(--du-red-soft) !important; }
.nav-actions { gap: 8px !important; }
.nav-actions .btn-ghost { min-height: 44px; padding: 0 14px !important; color: var(--du-ink) !important; font-weight: 750 !important; }
.btn, .ht-btn, .soft, .link-soft {
  min-height: 44px;
  border-radius: 12px !important;
  font-weight: 750 !important;
}
.btn-red, .ht-btn-red, .site-header .nav-actions .btn-red {
  border-color: var(--du-red) !important;
  background: var(--du-red) !important;
  color: #fff !important;
  box-shadow: 0 12px 28px rgba(213, 27, 22, .2) !important;
}
.btn-red:hover, .ht-btn-red:hover { background: var(--du-red-dark) !important; transform: translateY(-1px); }

/* Public pages */
.ht-grid-pattern, .screen-hero, .subhero, .not-found-screen {
  background-color: var(--du-canvas) !important;
  background-image: linear-gradient(rgba(13, 27, 45, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(13, 27, 45, .035) 1px, transparent 1px) !important;
  background-size: 48px 48px !important;
}
.screen-hero, .subhero { min-height: 310px !important; padding: 72px 0 62px !important; }
.screen-hero::after { opacity: .6; }
.screen-hero span, .subhero span, .eyebrow {
  border: 1px solid rgba(213, 27, 22, .16) !important;
  background: var(--du-red-soft) !important;
  color: var(--du-red-dark) !important;
  font-family: "JetBrains Mono", monospace !important;
  letter-spacing: .08em !important;
}
.screen-hero h1, .subhero h1 {
  max-width: 860px !important;
  color: var(--du-ink) !important;
  font-family: Manrope, Inter, sans-serif !important;
  font-size: clamp(42px, 5.2vw, 70px) !important;
  line-height: 1.02 !important;
  letter-spacing: -.055em !important;
}
.screen-hero p, .subhero p { max-width: 730px !important; color: var(--du-muted) !important; font-size: clamp(16px, 1.5vw, 19px) !important; }
.screen-section, .section { padding-block: clamp(62px, 8vw, 112px) !important; }
.screen-card-grid > article, .card, .screen-empty, .reset-card, .teacher-profile-main, .teacher-profile-layout > aside article, .class-detail-main, .class-detail-layout > aside, .policy-layout > article, .policy-layout > aside {
  border: 1px solid var(--du-line) !important;
  border-radius: var(--du-radius) !important;
  background: var(--du-surface) !important;
  box-shadow: var(--du-shadow-sm) !important;
}
.password-field { position: relative; display: block; }
.password-field input { width: 100%; padding-right: 82px !important; }
.password-field button {
  position: absolute;
  top: 50%;
  right: 8px;
  min-height: 40px;
  padding: 0 11px;
  transform: translateY(-50%);
  border: 1px solid var(--du-line);
  border-radius: 8px;
  background: #fff;
  color: var(--du-ink-2);
  font-size: 12px;
  font-weight: 750;
}
.password-requirements { display: block; margin: -4px 0 12px; color: var(--du-muted); line-height: 1.5; }
.registration-status { display: grid; gap: 5px; margin: 22px 0; padding: 17px; border: 1px solid #f1d1cf; border-radius: 13px; background: var(--du-red-soft); }
.registration-status strong { color: var(--du-red); }
.registration-status span { color: var(--du-ink-2); font-size: 13px; line-height: 1.55; }
.registration-actions { display: grid; gap: 10px; }
.registration-actions .ht-btn { justify-content: center; }
.reset-form { display: grid; gap: 14px; width: min(100%, 520px); margin: 0 auto 18px; text-align: left; }
.reset-form label { display: grid; gap: 7px; color: var(--du-ink-2); font-weight: 700; }
.reset-form input { width: 100%; min-height: 52px; border: 1px solid var(--du-line); border-radius: 11px; padding: 0 14px; }
.reset-card > small { display: block; max-width: 560px; margin: 0 auto; color: var(--du-muted); line-height: 1.55; }
.screen-card-grid > article { min-height: 240px; padding: clamp(24px, 3vw, 38px) !important; }
.pro-exam-card {
  min-height: 0 !important;
  padding: 30px !important;
}
.pro-exam-card .exam-card-meta {
  width: 100% !important;
  height: auto !important;
  margin: 22px 0 16px !important;
  border-radius: 0 !important;
  background: transparent !important;
}
.pro-exam-card .exam-progress-track {
  width: 100% !important;
  height: 5px !important;
  margin-bottom: 22px !important;
  border-radius: 999px !important;
  background: #edf1f5 !important;
}
.screen-room-card > div > span {
  width: auto !important;
  height: auto !important;
  display: inline !important;
  border-radius: 0 !important;
  background: transparent !important;
}
.screen-card-grid > article:hover { border-color: rgba(213, 27, 22, .32) !important; transform: translateY(-3px); box-shadow: var(--du-shadow) !important; }
.screen-dark-card { border-color: #263449 !important; background: linear-gradient(145deg, #0d1b2d, #17273c) !important; color: #fff !important; }
.screen-dark-card p { color: #cbd5e1 !important; }
.screen-section h2, .section-head h2 { color: var(--du-ink) !important; font-family: Manrope, Inter, sans-serif !important; letter-spacing: -.04em !important; }
.screen-section p, .section-head p { color: var(--du-muted); line-height: 1.72; }
.auth-brand h2 {
  max-width: 720px;
  color: inherit;
  font-family: Manrope, Inter, sans-serif;
  font-size: clamp(39px, 4vw, 59px);
  line-height: 1.06;
  letter-spacing: -.045em;
}
.screen-faq details, .faq-item-ref { border: 1px solid var(--du-line) !important; border-radius: 14px !important; background: #fff !important; box-shadow: none !important; }
.screen-faq summary, .faq-head-ref { min-height: 58px; color: var(--du-ink) !important; font-weight: 750 !important; }
.help-search { border: 1px solid var(--du-line) !important; border-radius: var(--du-radius) !important; background: #fff !important; box-shadow: var(--du-shadow-sm) !important; }
.footer { border-top: 1px solid var(--du-line) !important; background: #f1f2ef !important; }
.footer-grid { padding-block: 64px !important; }
.footer h4 { color: var(--du-ink) !important; }
.footer a, .footer p, .footer-bottom { color: var(--du-muted) !important; }
.footer a:hover { color: var(--du-red) !important; }
.footer-social-icon { border: 1px solid var(--du-line) !important; background: #fff !important; color: var(--du-ink) !important; }

/* Roadmap metadata must remain readable on both light and dark cards. */
.ht-roadmap-grid footer { font-size: 10px; }
.ht-roadmap-grid article:not(.done):not(.active) footer { color: #667085; }
.ht-roadmap-grid .done footer,
.ht-roadmap-grid .active footer { color: #c8cdd5; }

/* Contrast and brand integrity fixes. These rules intentionally live in the
   final stylesheet: older mobile header rules also target `.brand` and must
   never truncate the footer wordmark. */
.footer .brand {
  display: inline-flex !important;
  width: fit-content !important;
  max-width: 100% !important;
  color: var(--du-ink) !important;
  overflow: visible !important;
}
.footer .brand > span:last-child {
  width: auto !important;
  max-width: none !important;
  overflow: visible !important;
  color: var(--du-ink) !important;
  text-overflow: clip !important;
  white-space: nowrap !important;
}
.footer .brand > span:last-child > span { color: var(--du-red) !important; }
#site-footer .footer-grid > div:first-child { min-width: 0; text-align: center; }
#site-footer .footer-grid > div:first-child > .brand,
#site-footer .footer-grid > div:first-child > p { margin-inline: auto; }
.footer a, .footer p, .footer-bottom { color: #475569 !important; }

/* Generic section typography is dark by default. Reassert the inverse theme
   for every dark surface so nested headings cannot become dark-on-dark. */
.screen-dark-card :is(h1, h2, h3, h4, h5, h6, strong, b),
.classroom-demo-copy h2 { color: #fff !important; }
.screen-dark-card :is(p, li, small),
.classroom-demo-copy p { color: #d5dde8 !important; }
.live-gate-card :is(h1, h2, h3, h4, strong, b) { color: #fff !important; }
.live-gate-card :is(p, li, small) { color: #d5dde8 !important; }

/* Forms and data components */
label { color: var(--du-ink-2); font-weight: 650; }
input, select, textarea {
  min-height: 46px;
  border: 1px solid #ccd5df !important;
  border-radius: 11px !important;
  background: #fff !important;
  color: var(--du-ink) !important;
}
textarea { min-height: 110px; }
input:hover, select:hover, textarea:hover { border-color: #9baabc !important; }
input:focus, select:focus, textarea:focus { border-color: var(--du-blue) !important; }
.alert { border-radius: 12px !important; }
.toast { z-index: 3000 !important; border-radius: 14px !important; box-shadow: var(--du-shadow) !important; }
.table-wrap { border: 1px solid var(--du-line); border-radius: 14px; background: #fff; }
table { width: 100%; border-collapse: separate !important; border-spacing: 0 !important; }
thead th { background: #f4f6f8 !important; color: #435168 !important; font-size: 11px !important; letter-spacing: .055em; text-transform: uppercase; }
th, td { padding: 14px 15px !important; border-bottom: 1px solid #e8ecf1 !important; }
tbody tr:last-child td { border-bottom: 0 !important; }
tbody tr:hover td { background: #fafbfc !important; }
.badge { border-radius: 999px !important; }

/* Shared panel system */
.panel-body { overflow-x: hidden; background: #eef1f5 !important; }
.panel-app {
  --panel-accent: var(--du-red);
  min-height: 100vh !important;
  display: grid !important;
  grid-template-columns: 278px minmax(0, 1fr) !important;
  grid-template-rows: 76px minmax(0, 1fr) !important;
  background-color: #eef1f5 !important;
  background-image: radial-gradient(circle at 82% 5%, color-mix(in srgb, var(--panel-accent) 9%, transparent), transparent 26%) !important;
}
.panel-student { --panel-accent: #2d5bff; }
.panel-teacher { --panel-accent: #137f68; }
.panel-admin { --panel-accent: #d51b16; }
.panel-app.panel-student {
  grid-template-columns: 278px minmax(0, 1fr) !important;
  grid-template-rows: 76px minmax(0, 1fr) !important;
}
.panel-top {
  grid-column: 1 / -1 !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 90 !important;
  min-width: 0;
  height: 76px !important;
  padding: 0 26px !important;
  border-bottom: 1px solid rgba(13, 27, 45, .1) !important;
  background: rgba(255, 255, 255, .96) !important;
  box-shadow: 0 7px 24px rgba(13, 27, 45, .055) !important;
  backdrop-filter: blur(18px);
}
.panel-top .brand { font-size: 23px !important; }
.panel-top .logo-suffix { color: var(--panel-accent) !important; letter-spacing: -.02em !important; }
.panel-context, .panel-public-nav { border-radius: 12px !important; background: #f4f6f8 !important; }
.panel-user { gap: 14px !important; }
.panel-user > span { color: var(--du-ink); font-weight: 700; }
.panel-user button { min-height: 40px; border: 1px solid var(--du-line) !important; border-radius: 10px !important; background: #fff !important; color: var(--du-ink) !important; }
.side {
  grid-column: 1 !important;
  grid-row: 2 !important;
  position: sticky !important;
  top: 76px !important;
  height: calc(100vh - 76px) !important;
  padding: 22px 14px 34px !important;
  overflow-y: auto !important;
  border-right: 1px solid #dbe1e8 !important;
  background: #101c2c !important;
  scrollbar-width: thin;
}
.side .ns { margin: 22px 12px 8px !important; color: #718097 !important; font-family: "JetBrains Mono", monospace; font-size: 9px !important; letter-spacing: .13em; }
.side .ni {
  width: 100%;
  min-height: 45px !important;
  margin: 3px 0 !important;
  padding: 0 12px !important;
  border: 1px solid transparent !important;
  border-radius: 11px !important;
  background: transparent !important;
  color: #c8d1dd !important;
  font-size: 13px !important;
  font-weight: 650 !important;
  text-align: left;
}
.side .ni:hover { border-color: rgba(255,255,255,.08) !important; background: rgba(255,255,255,.055) !important; color: #fff !important; transform: none !important; }
.side .ni.on { border-color: color-mix(in srgb, var(--panel-accent) 48%, transparent) !important; background: color-mix(in srgb, var(--panel-accent) 21%, transparent) !important; color: #fff !important; box-shadow: inset 3px 0 var(--panel-accent) !important; }
.side .ico { width: 28px !important; color: #9aa8ba; font-family: Inter, sans-serif; font-size: 14px !important; text-align: center; }
.panel-app.panel-student .panel-top { grid-column: 1 / -1 !important; }
.panel-app.panel-student .side {
  grid-column: 1 !important;
  grid-row: 2 !important;
  position: sticky !important;
  top: 76px !important;
  display: block !important;
  width: auto !important;
  height: calc(100vh - 76px) !important;
  padding: 22px 14px 34px !important;
  overflow-x: hidden !important;
  overflow-y: auto !important;
  border-right: 1px solid #dbe1e8 !important;
  border-bottom: 0 !important;
  background: #101c2c !important;
}
.panel-app.panel-student .side .ns { display: block; }
.panel-app.panel-student .side .ni { display: flex !important; width: 100% !important; min-width: 0; margin: 3px 0 !important; padding: 0 12px !important; }
.panel-app.panel-student .side .ni .ico { display: inline-grid !important; }
.panel-app.panel-student .side .ni.on { color: #fff !important; background: color-mix(in srgb, var(--panel-accent) 21%, transparent) !important; box-shadow: inset 3px 0 var(--panel-accent) !important; }
.panel-main {
  grid-column: 2 !important;
  grid-row: 2 !important;
  min-width: 0;
  width: 100% !important;
  max-width: 1580px !important;
  margin: 0 auto !important;
  padding: 34px clamp(24px, 3vw, 48px) 72px !important;
}
.panel-app.panel-student .panel-main { grid-column: 2 !important; grid-row: 2 !important; background: transparent !important; }
.page-head { margin-bottom: 26px !important; padding: 0 0 0 18px !important; }
.page-head::before { content: "DEUTSCHUM WORKSPACE"; display: block; margin-bottom: 8px; color: var(--panel-accent); font-family: "JetBrains Mono", monospace; font-size: 9px; font-weight: 800; letter-spacing: .13em; }
.page-head h1 { margin: 0 !important; color: var(--du-ink) !important; font-family: Manrope, Inter, sans-serif !important; font-size: clamp(30px, 3.2vw, 46px) !important; line-height: 1.05 !important; letter-spacing: -.045em !important; }
.page-head p { max-width: 760px; margin-top: 10px !important; color: var(--du-muted) !important; }
.stat-grid { gap: 14px !important; grid-template-columns: repeat(auto-fit, minmax(205px, 1fr)) !important; }
.stat-card {
  min-height: 116px !important;
  padding: 20px !important;
  border: 1px solid #dbe2e9 !important;
  border-radius: 16px !important;
  background: #fff !important;
  box-shadow: 0 8px 24px rgba(13, 27, 45, .055) !important;
}
.stat-card > span { display: grid !important; width: 42px !important; height: 42px !important; place-items: center; border-radius: 12px !important; background: color-mix(in srgb, var(--panel-accent) 10%, white) !important; color: var(--panel-accent) !important; font-size: 13px !important; }
.stat-card b { color: var(--du-ink) !important; font-size: 24px !important; letter-spacing: -.035em; }
.stat-card small { color: var(--du-muted) !important; }
.panel-main .card { padding: clamp(20px, 2.4vw, 30px) !important; border-radius: 17px !important; }
.panel-main .card h3 { color: var(--du-ink) !important; letter-spacing: -.02em; }
.grid-2, .grid-3 { gap: 18px !important; }
.toolbar { gap: 10px !important; padding: 12px !important; border: 1px solid var(--du-line) !important; border-radius: 13px !important; background: #f7f8fa !important; }
.panel-menu-toggle { min-width: 44px; min-height: 44px; border-radius: 11px !important; }
.panel-main .page[hidden] { display: none !important; }
.panel-drawer-backdrop { display: none; }

/* Classroom */
.classroom-body { overflow: hidden; background: #07111e !important; }
.classroom-page { min-height: 100dvh !important; padding: 0 !important; background: radial-gradient(circle at 75% 0, rgba(213, 27, 22, .17), transparent 30%), #07111e !important; }
.classroom-lobby {
  width: min(1160px, calc(100% - 36px)) !important;
  min-height: min(720px, calc(100dvh - 44px)) !important;
  margin: 22px auto !important;
  border: 1px solid rgba(255,255,255,.11) !important;
  border-radius: 28px !important;
  overflow: hidden;
  background: rgba(13, 27, 45, .96) !important;
  box-shadow: 0 36px 100px rgba(0,0,0,.4) !important;
}
.lobby-main { padding: clamp(34px, 6vw, 78px) !important; }
.lobby-main h1 { max-width: 680px; color: #fff !important; font-family: Manrope, Inter, sans-serif !important; font-size: clamp(38px, 5vw, 68px) !important; letter-spacing: -.055em !important; }
.lobby-main > p { color: #bdc8d7 !important; }
.lobby-side { background: linear-gradient(155deg, #151f2f, #261014) !important; }
.live-meta-grid { border-color: rgba(255,255,255,.11) !important; background: rgba(255,255,255,.045) !important; }
.live-meta-grid span { color: #d4dce7 !important; }
.live-meta-grid b { color: #7f8ea3 !important; }
.device-preflight { display: grid; grid-template-columns: 112px minmax(0, 1fr) auto auto; gap: 12px; align-items: center; margin: 22px 0; padding: 14px; border: 1px solid rgba(255,255,255,.11); border-radius: 16px; background: rgba(255,255,255,.045); }
.device-preflight video { width: 112px; height: 72px; border-radius: 10px; object-fit: cover; background: #02060b; transform: scaleX(-1); }
.device-preflight video[hidden] { display: none; }
.device-preflight video[hidden] + div { grid-column: span 2; }
.device-preflight strong, .device-preflight span { display: block; }
.device-preflight strong { color: #fff; font-size: 13px; }
.device-preflight span { margin-top: 4px; color: #9cabbf; font-size: 12px; }
.device-preflight .soft { border-color: rgba(255,255,255,.14) !important; background: rgba(255,255,255,.07) !important; color: #fff !important; }
.participant-recording-notice { display: flex; gap: 12px; align-items: flex-start; margin: 0 0 18px; padding: 14px 16px; border: 1px solid rgba(253, 165, 161, .3); border-radius: 14px; background: rgba(213, 27, 22, .12); color: #dce5ef; font-size: 13px; line-height: 1.55; }
.participant-recording-notice input { min-height: auto; margin-top: 3px; accent-color: var(--du-red); }
.participant-recording-notice strong { display: block; margin-bottom: 2px; color: #fff; }
.classroom-shell { min-height: 100dvh !important; background: #07111e !important; }
.classroom-shell[hidden] { display: none !important; }
.cls-header {
  min-height: 72px !important;
  padding: 10px 18px !important;
  border-bottom: 1px solid rgba(255,255,255,.1) !important;
  background: rgba(8, 17, 30, .97) !important;
}
.cls-header .brand { color: #fff !important; }
.live-title strong { color: #fff !important; }
.live-title span { color: #93a2b7 !important; }
.live-title small { color: #fff !important; font-family: "JetBrains Mono", monospace; }
.classroom-layout { height: calc(100dvh - 138px) !important; gap: 1px !important; background: #1d2938 !important; }
.video-stage { min-width: 0; background: #03070c !important; }
.video-frame { border-radius: 0 !important; }
.jitsi-api-frame, .jitsi-api-frame iframe { width: 100% !important; height: 100% !important; border: 0; }
.lesson-panel { width: min(390px, 34vw) !important; border-left: 1px solid rgba(255,255,255,.08) !important; background: #0f1a29 !important; }
.lesson-panel .tabs { padding: 8px !important; gap: 4px !important; border-bottom: 1px solid rgba(255,255,255,.08) !important; overflow-x: auto; scrollbar-width: none; overscroll-behavior-inline: contain; }
.lesson-panel .tabs::-webkit-scrollbar { display: none; }
.lesson-panel .tabs button { min-height: 40px; padding: 0 11px !important; border-radius: 9px !important; color: #99a8ba !important; white-space: nowrap; }
.lesson-panel .tabs button.on { background: #fff !important; color: var(--du-ink) !important; }
.live-tab { color: #dbe3ed; }
.messages p { border-radius: 10px !important; background: rgba(255,255,255,.055) !important; color: #dbe3ed !important; }
.control-bar {
  min-height: 66px !important;
  padding: 8px max(14px, env(safe-area-inset-left)) calc(8px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-right)) !important;
  border-top: 1px solid rgba(255,255,255,.1) !important;
  background: rgba(8, 17, 30, .98) !important;
}
.control-bar button, .control-bar a { min-height: 44px !important; border-radius: 10px !important; }
.control-bar .red { background: var(--du-red) !important; }
.recording-state { display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 13px; border: 1px solid rgba(255,255,255,.13); border-radius: 999px; background: rgba(213,27,22,.17); color: #fff; font-family: "JetBrains Mono", monospace; font-size: 11px; font-weight: 800; }
.recording-state[hidden] { display: none !important; }
.recording-state i { width: 9px; height: 9px; border-radius: 50%; background: #ff3b30; box-shadow: 0 0 0 6px rgba(255,59,48,.15); animation: du-rec-pulse 1.25s infinite; }
.recording-state time { color: #fda5a1; }
@keyframes du-rec-pulse { 50% { box-shadow: 0 0 0 2px rgba(255,59,48,.08); } }
.recording-dialog { position: fixed; inset: 0; z-index: 5000; display: grid; place-items: center; padding: 20px; background: rgba(2, 7, 14, .82); backdrop-filter: blur(12px); }
.recording-dialog[hidden] { display: none !important; }
.recording-dialog > section { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 22px; width: min(650px, 100%); padding: clamp(24px, 5vw, 42px); border: 1px solid rgba(255,255,255,.13); border-radius: 24px; background: #fff; box-shadow: 0 32px 100px rgba(0,0,0,.42); }
.recording-dialog-icon { display: grid; width: 66px; height: 66px; place-items: center; border-radius: 18px; background: var(--du-red); color: #fff; font-family: "JetBrains Mono", monospace; font-weight: 900; }
.recording-dialog small { color: var(--du-red); font-family: "JetBrains Mono", monospace; font-weight: 800; letter-spacing: .08em; }
.recording-dialog h2 { margin: 8px 0 10px; color: var(--du-ink); font-size: clamp(26px, 4vw, 38px); letter-spacing: -.045em; }
.recording-dialog p { color: var(--du-muted); line-height: 1.65; }
.recording-dialog label { display: flex; gap: 10px; align-items: flex-start; margin: 22px 0; padding: 14px; border-radius: 12px; background: #f4f6f8; color: var(--du-ink-2); }
.recording-dialog label input { min-height: auto; margin-top: 3px; accent-color: var(--du-red); }
.recording-dialog label + div { display: flex; flex-wrap: wrap; gap: 10px; }
.host-background-tools { margin-top: 18px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.09); }
.host-background-tools strong, .host-background-tools small { display: block; color: #dce5ef; }
.host-background-tools > div { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 10px 0; }
.host-background-tools button { min-height: 42px; border: 1px solid rgba(255,255,255,.1); border-radius: 9px; background: rgba(255,255,255,.055); color: #dce5ef; }
.host-background-tools button.on { border-color: var(--du-red); background: rgba(213,27,22,.2); color: #fff; }
.host-background-tools small { color: #8fa0b4; font-size: 11px; }

@media (max-width: 1120px) {
  .site-header .nav-wrap { gap: 10px !important; }
  .site-nav > a, .nav-dropdown > summary { padding-inline: 9px !important; font-size: 13px !important; }
  .nav-actions .btn-ghost { display: none !important; }
  .panel-app { grid-template-columns: 242px minmax(0, 1fr) !important; }
  .device-preflight { grid-template-columns: 100px minmax(0, 1fr); }
  .device-preflight .soft { width: 100%; }
  .lesson-panel { width: 340px !important; }
}

@media (max-width: 860px) {
  .wrap { width: min(100% - 30px, 1180px); }
  .site-header, .site-header .nav-wrap { height: 72px !important; }
  .site-header { border-top-width: 3px !important; }
  .site-header .brand { font-size: 23px !important; }
  .menu-btn { display: grid !important; width: 46px !important; height: 46px !important; place-content: center; border: 1px solid var(--du-line) !important; border-radius: 12px !important; background: #fff !important; }
  .menu-btn span { width: 20px !important; height: 2px !important; margin: 2px 0; background: var(--du-ink) !important; }
  .site-nav {
    position: fixed !important;
    inset: 72px 12px auto 12px !important;
    max-height: calc(100dvh - 88px);
    padding: 12px !important;
    overflow-y: auto;
    border: 1px solid var(--du-line) !important;
    border-radius: 18px !important;
    background: #fff !important;
    box-shadow: var(--du-shadow) !important;
  }
  .site-nav > a, .nav-dropdown > summary { width: 100%; min-height: 48px; }
  .nav-dropdown-menu { position: static !important; width: 100%; margin: 4px 0 !important; box-shadow: none !important; }
  .nav-actions { margin-left: auto !important; }
  .nav-actions .btn-red { min-height: 44px !important; padding-inline: 13px !important; font-size: 12px !important; }
  .screen-hero, .subhero { min-height: 260px !important; padding: 54px 0 48px !important; }
  .screen-hero h1, .subhero h1 { font-size: clamp(38px, 10vw, 54px) !important; }
  .panel-app { display: block !important; padding-top: 76px !important; }
  .panel-app.panel-student { display: block !important; padding-top: 76px !important; }
  .panel-top { position: fixed !important; inset: 0 0 auto 0 !important; height: 76px !important; padding-inline: 16px !important; }
  .panel-top .panel-public-nav, .panel-context { display: none !important; }
  .panel-user { display: flex !important; margin-left: auto; }
  .panel-user > span { display: none !important; }
  .panel-user form { display: block !important; }
  .panel-user button { min-width: 62px; min-height: 44px !important; padding-inline: 10px !important; font-size: 12px !important; }
  .side {
    position: fixed !important;
    z-index: 120 !important;
    inset: 76px auto 0 0 !important;
    width: min(320px, 88vw) !important;
    height: calc(100dvh - 76px) !important;
    transform: translateX(-105%);
    box-shadow: 24px 0 60px rgba(0,0,0,.3);
  }
  .side.open { transform: translateX(0); }
  .side .ns { display: block !important; padding: 16px 18px 7px !important; }
  .side .ni { justify-content: flex-start !important; }
  .side .ni span:last-child { display: inline !important; }
  .panel-app.panel-student .side { position: fixed !important; z-index: 120 !important; inset: 76px auto 0 0 !important; width: min(320px, 88vw) !important; height: calc(100dvh - 76px) !important; transform: translateX(-105%); }
  .panel-app.panel-student .side.open { transform: translateX(0); }
  .panel-drawer-backdrop:not([hidden]) { display: block; position: fixed; z-index: 110; inset: 76px 0 0; border: 0; background: rgba(2, 7, 14, .56); backdrop-filter: blur(3px); }
  .panel-main { width: 100% !important; padding: 28px 16px 80px !important; }
  .panel-app.panel-student .panel-main { width: 100% !important; padding: 28px 16px 80px !important; }
  .grid-2, .grid-3 { grid-template-columns: 1fr !important; }
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .classroom-body { overflow: auto; }
  .classroom-page, .classroom-shell { min-height: 100dvh !important; }
  .classroom-layout { height: auto !important; min-height: calc(100dvh - 138px); grid-template-columns: 1fr !important; }
  .video-stage { min-height: 52dvh !important; }
  .lesson-panel { width: 100% !important; min-height: 420px; border-top: 1px solid rgba(255,255,255,.09) !important; border-left: 0 !important; }
  .control-bar { position: sticky !important; bottom: 0 !important; z-index: 80 !important; display: grid !important; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px !important; overflow: visible !important; }
  .control-bar > span, .control-bar > button:nth-of-type(n+4) { display: none !important; }
  .control-bar button, .control-bar a { width: 100%; min-width: 0 !important; padding-inline: 6px !important; font-size: 11px !important; white-space: normal !important; }
  .cls-header { align-items: center !important; }
  .cls-header .brand { display: none !important; }
  .classroom-actions, .classroom-actions form { display: flex !important; visibility: visible !important; }
  .classroom-actions .link-soft { display: none !important; }
  .recording-state { margin-left: auto; }
}

@media (max-width: 560px) {
  .wrap { width: min(100% - 24px, 1180px); }
  .nav-actions .btn-red { max-width: 150px; text-align: center; line-height: 1.1; }
  .screen-hero h1, .subhero h1 { font-size: clamp(34px, 12vw, 46px) !important; overflow-wrap: anywhere; }
  .screen-section, .section { padding-block: 54px !important; }
  .stat-grid { grid-template-columns: 1fr !important; }
  .panel-main .card { padding: 18px !important; }
  .table-wrap { border: 0; background: transparent; overflow: visible !important; }
  .table-wrap table, .table-wrap thead, .table-wrap tbody, .table-wrap tr, .table-wrap th, .table-wrap td { display: block; }
  .table-wrap thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .table-wrap tbody { display: grid; gap: 12px; }
  .table-wrap tr { padding: 14px; border: 1px solid var(--du-line); border-radius: 14px; background: #fff; box-shadow: var(--du-shadow-sm); }
  .table-wrap td { display: grid !important; grid-template-columns: minmax(108px, 38%) minmax(0, 1fr); align-items: start; gap: 12px; padding: 10px 4px !important; border-bottom: 1px dashed #e2e7ed !important; overflow-wrap: anywhere; }
  .table-wrap td::before { content: attr(data-label); color: var(--du-muted); font-size: 10px; font-weight: 800; letter-spacing: .055em; line-height: 1.45; text-transform: uppercase; }
  .table-wrap td:last-child { border-bottom: 0 !important; }
  .table-wrap td > form, .table-wrap td > .inline-form { min-width: 0; }
  .table-wrap td button, .table-wrap td .btn, .table-wrap td .soft { min-height: 40px !important; }
  .footer-grid a { display: flex; min-height: 40px; align-items: center; }
  .classroom-lobby { width: min(100% - 20px, 1160px) !important; margin: 10px auto !important; border-radius: 20px !important; }
  .lobby-main { padding: 26px 20px !important; }
  .lobby-main h1 { font-size: 38px !important; }
  .lobby-side { display: none !important; }
  .live-meta-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .device-preflight { grid-template-columns: 1fr; }
  .device-preflight video { width: 100%; height: 180px; }
  .device-preflight video[hidden] + div { grid-column: auto; }
  .cls-header { min-height: 78px !important; padding: 8px 10px !important; }
  .live-title { max-width: 42vw; }
  .live-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .live-title span { display: none !important; }
  .classroom-actions > a { display: none !important; }
  .classroom-actions button { min-height: 44px !important; padding-inline: 11px !important; }
  .recording-state { padding-inline: 10px; }
  .recording-state time { display: none; }
  .video-stage { min-height: 48dvh !important; }
  .control-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .control-bar a.red { grid-column: span 3; }
  .recording-dialog > section { grid-template-columns: 1fr; padding: 24px 20px; }
  .recording-dialog-icon { width: 54px; height: 54px; }
  .recording-dialog label + div { flex-direction: column; }
  .recording-dialog button { width: 100%; }
}

/* 2026-08 learning, video, library and community additions */
.intro-video-section { background: #0d1726 !important; color: #fff; overflow: hidden; }
.intro-video-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(520px, 1.2fr); align-items: center; gap: clamp(36px, 6vw, 88px); }
.intro-video-grid h2 { max-width: 620px; margin: 18px 0; color: #fff; font-size: clamp(36px, 4vw, 62px); letter-spacing: -.045em; line-height: 1.02; }
.intro-video-grid > div > p { max-width: 600px; color: #b9c5d5; font-size: 18px; line-height: 1.75; }
.intro-video-points { display: grid; gap: 12px; margin-top: 28px; }
.intro-video-points span { color: #eef2f7; font-weight: 750; }
.intro-video-points span::first-letter { color: var(--du-red); }
.intro-video-grid figure { margin: 0; padding: 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 26px; background: rgba(255,255,255,.06); box-shadow: 0 28px 80px rgba(0,0,0,.3); }
.intro-video-grid video { display: block; width: 100%; aspect-ratio: 16/9; border-radius: 18px; background: #050b14; object-fit: cover; }
.intro-video-grid figcaption { padding: 12px 8px 2px; color: #9eabba; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }

.learning-philosophy { background: #f7f5f1 !important; }
.philosophy-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.philosophy-grid article { min-height: 310px; padding: 34px; border: 1px solid var(--du-line); border-radius: 24px; background: #fff; box-shadow: var(--du-shadow-sm); }
.philosophy-grid article > b { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 15px; color: #fff; background: var(--du-red); font-family: var(--du-mono, monospace); }
.philosophy-grid h3 { margin: 42px 0 14px; color: var(--du-ink); font-size: 25px; letter-spacing: -.025em; }
.philosophy-grid p { margin: 0; color: var(--du-muted); line-height: 1.75; }
.philosophy-note { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px 56px; margin-top: 20px; padding: 38px; border-radius: 24px; color: #fff; background: linear-gradient(120deg,#0d1726,#211013); }
.philosophy-note span { color: #ff8e89; font: 700 12px/1.3 var(--du-mono, monospace); letter-spacing: .12em; }
.philosophy-note h3 { margin: 12px 0 0; color: #fff; font-size: 29px; }
.philosophy-note p { margin: 0; color: #cbd5e1; line-height: 1.75; }
.philosophy-note strong { grid-column: 1/-1; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); font-size: 18px; line-height: 1.6; }

.exam-source-note { min-height: 52px; color: var(--du-muted); font-size: 13px; line-height: 1.5; }
.teacher-specialties { display: block; min-height: 42px; margin: 12px 0; color: var(--du-red); font-size: 12px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.teacher-specialty-tags { display: flex; margin: 22px 0; }
.teacher-specialty-tags span { padding: 9px 13px; border: 1px solid #f0b9b7; border-radius: 999px; color: #9f1814; background: #fff4f3; font-size: 12px; font-weight: 800; }
.teacher-method-detail { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; margin-top: 28px; }
.teacher-method-detail section { padding: 24px; border: 1px solid var(--du-line); border-radius: 18px; background: #fff; }
.teacher-method-detail span, .profile-example > span { color: var(--du-red); font: 700 11px/1.3 var(--du-mono, monospace); letter-spacing: .12em; }
.teacher-method-detail h3 { margin: 9px 0; }
.teacher-method-detail p { margin: 0; color: var(--du-muted); line-height: 1.65; }
.profile-example { margin: 16px 0 34px; padding: 22px; border-radius: 18px; background: #f6f8fb; }
.profile-example p { margin: 12px 0 0; color: var(--du-muted); }

.community-share-card { color: #fff; background: linear-gradient(135deg,#0c1727,#271013) !important; }
.community-share-card h3 { color: #fff; font-size: 30px; }
.community-share-card p { color: #cbd5e1; line-height: 1.7; }
.student-community-actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.student-community-actions [data-share-status] { flex-basis: 100%; color: var(--du-muted); font-size: 11px; text-align: right; }
.review-list { display: grid; gap: 14px; }
.review-row { padding: 22px; border: 1px solid var(--du-line); border-radius: 17px; background: #fff; }
.review-row > div { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.review-row p { margin: 14px 0; color: var(--du-muted); line-height: 1.65; }
.review-row footer { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.review-row time { color: var(--du-muted); font-size: 12px; }
.review-row footer form { margin-left: auto; }
.review-stars { color: #ef9f16; letter-spacing: .1em; }
.public-reviews { background: #fff !important; }
.public-review-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.public-review-grid article { padding: 28px; border: 1px solid var(--du-line); border-radius: 22px; background: #f9fafb; }
.public-review-grid p { min-height: 78px; color: var(--du-ink); font-size: 17px; line-height: 1.65; }
.public-review-grid strong { color: var(--du-muted); font-size: 13px; }

/* Learning system and licensed book programme */
.nav-login-mobile { display: none !important; }
.learning-system-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); gap: 22px; align-items: stretch; }
.learning-system-lead { display: flex; min-height: 620px; flex-direction: column; justify-content: flex-end; padding: clamp(34px, 5vw, 64px) !important; }
.learning-system-lead > span { color: #ffaaa6; font: 800 11px/1.3 var(--du-mono, monospace); letter-spacing: .13em; }
.learning-system-lead h2 { max-width: 760px; margin: 18px 0 24px; color: #fff !important; font-size: clamp(38px, 4.5vw, 62px); line-height: 1.02; }
.learning-system-lead p { max-width: 780px; color: #d5dde8 !important; font-size: 17px; line-height: 1.78; }
.learning-system-steps { display: grid; gap: 12px; }
.learning-system-steps > article { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 18px; align-items: start; padding: 26px; border: 1px solid var(--du-line); border-radius: 20px; background: #fff; box-shadow: var(--du-shadow-sm); }
.learning-system-steps > article > b { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 14px; background: #fff1f0; color: var(--du-red); font-family: var(--du-mono, monospace); }
.learning-system-steps h3 { margin: 0 0 8px; color: var(--du-ink); font-size: 21px; }
.learning-system-steps p { margin: 0; }
.learning-system-steps > aside { padding: 25px 28px; border-radius: 20px; background: #eef2ff; color: var(--du-ink); }
.learning-system-steps > aside strong { display: block; margin-bottom: 8px; }
.learning-system-steps > aside p { margin: 0; }

.book-program-card { margin: 0 0 18px; padding: clamp(22px, 2.7vw, 32px); border: 1px solid #263449; border-radius: 18px; background: linear-gradient(135deg, #0d1b2d, #251014); color: #fff; box-shadow: var(--du-shadow-sm); }
.book-program-card > header { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.book-program-card > header span { color: #ffaaa6; font: 800 10px/1.3 var(--du-mono, monospace); letter-spacing: .13em; }
.book-program-card > header h3 { margin: 8px 0 0; color: #fff !important; font-size: 28px; }
.book-program-card > header small { max-width: 460px; color: #c8d2df; line-height: 1.55; text-align: right; }
.book-program-grid { display: grid; grid-template-columns: 1fr 1fr 1.15fr; gap: 12px; }
.book-program-grid > article, .book-program-grid > aside { padding: 22px; border: 1px solid rgba(255,255,255,.12); border-radius: 15px; background: rgba(255,255,255,.06); }
.book-program-grid b { display: inline-flex; padding: 5px 8px; border-radius: 999px; background: rgba(215,25,20,.22); color: #ffaaa6; font: 800 10px/1 var(--du-mono, monospace); }
.book-program-grid h4 { margin: 16px 0 5px; color: #fff; font-size: 24px; }
.book-program-grid article p { margin: 0 0 16px; color: #d5dde8 !important; }
.book-program-grid article span { color: #aebccd; font-size: 12px; }
.book-program-grid aside strong { display: block; margin-bottom: 9px; color: #fff; }
.book-program-grid aside p { margin: 0; color: #d5dde8 !important; line-height: 1.65; }

@media (max-width: 900px) {
  .intro-video-grid { grid-template-columns: 1fr; }
  .philosophy-grid, .public-review-grid { grid-template-columns: 1fr; }
  .philosophy-note, .teacher-method-detail { grid-template-columns: 1fr; }
  .philosophy-note strong { grid-column: auto; }
  .learning-system-grid { grid-template-columns: 1fr; }
  .learning-system-lead { min-height: 0; }
  .book-program-grid { grid-template-columns: 1fr 1fr; }
  .book-program-grid > aside { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .intro-video-section { padding-block: 58px !important; }
  .intro-video-grid { gap: 28px; }
  .intro-video-grid h2 { font-size: 36px; }
  .intro-video-grid figure { padding: 7px; border-radius: 18px; }
  .intro-video-grid video { border-radius: 13px; }
  .philosophy-grid article { min-height: 0; padding: 26px; }
  .philosophy-grid h3 { margin-top: 28px; }
  .philosophy-note { padding: 27px; }
  .review-row footer form { width: 100%; margin-left: 0; }
  .student-community-actions { width: 100%; justify-content: stretch; }
  .student-community-actions button { flex: 1 1 140px; }
  .student-community-actions [data-share-status] { text-align: left; }
  .learning-system-intro { padding-block: 28px !important; }
  .learning-system-lead { padding: 28px 24px !important; }
  .learning-system-lead h2 { font-size: 37px; }
  .learning-system-lead p { font-size: 15px; }
  .learning-system-steps > article { grid-template-columns: 44px minmax(0, 1fr); padding: 20px; }
  .learning-system-steps > article > b { width: 40px; height: 40px; }
  .book-program-card { padding: 20px; }
  .book-program-card > header { display: block; }
  .book-program-card > header small { display: block; margin-top: 10px; text-align: left; }
  .book-program-grid { grid-template-columns: 1fr; }
  .book-program-grid > aside { grid-column: auto; }
}

/* Final mobile density pass. This deliberately comes after the earlier
   high-tech and stitch layers so Safari receives one authoritative layout. */
@media (max-width: 860px) {
  .site-nav.open .nav-login-mobile { display: flex !important; align-items: center; justify-content: center; min-height: 48px; border: 1px solid #f0b9b7; border-radius: 11px; background: #fff4f3; color: var(--du-red) !important; font-weight: 800; }
  .site-nav.open { gap: 2px !important; }
  .site-nav.open > a, .site-nav.open .nav-dropdown > summary { min-height: 44px !important; }
  .footer { padding: 0 0 18px !important; }
  .footer-grid { gap: 20px !important; padding-block: 36px 24px !important; }
  .footer-grid > div:not(:first-child) { padding-top: 18px; border-top: 1px solid var(--du-line); }
  .footer .brand { margin-bottom: 10px !important; }
  .footer h4 { margin-bottom: 8px !important; }
  .footer a { min-height: 34px !important; margin-bottom: 0 !important; }
  .footer-bottom { margin-top: 0 !important; padding-top: 18px !important; }
}

@media (max-width: 560px) {
  .home-ref .ht-features { padding: 42px 0 48px !important; }
  .home-ref .ht-section-head { margin-bottom: 20px !important; }
  .home-ref .ht-bento { grid-template-rows: auto auto auto auto !important; gap: 12px !important; }
  .home-ref .ht-feature-live { min-height: 390px; }
  .home-ref .ht-feature-ai { min-height: 220px; }
  .home-ref .ht-feature-cafe { min-height: 210px; padding: 20px !important; }
  .home-ref .ht-feature-cafe > footer { position: static !important; margin-top: 10px !important; }
  .home-ref .ht-feature-teachers { margin-top: 0 !important; padding: 24px !important; }
  .home-ref .ht-level-float { bottom: -18px !important; left: 4px !important; transform: scale(.74) !important; }
  .home-ref .ht-class-float { right: 4px !important; bottom: -18px !important; transform: scale(.74) !important; }
  .home-ref .ht-system-pill { max-width: 100%; }
  .home-ref .ht-system-pill span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; padding-top: 30px !important; }
  .footer-grid > div:first-child, .footer-grid > div:last-child { grid-column: 1 / -1; }
  .footer-grid a { min-height: 32px !important; }
}

/* 2026-09 final responsive authority: keep these rules after every legacy
   theme layer so specificity and narrow-screen sizing remain deterministic. */
.screen-card-grid > article.screen-dark-card {
  border-color: #263449 !important;
  background: linear-gradient(145deg, #0d1b2d, #17273c) !important;
  color: #fff !important;
}

.screen-card-grid > article.screen-dark-card :is(h1, h2, h3, h4, h5, h6, strong, b) {
  color: #fff !important;
}

.screen-card-grid > article.screen-dark-card :is(p, li, small) {
  color: #d5dde8 !important;
}

.nav-test-mobile,
.mobile-header-login {
  display: none !important;
}

img.teacher-photo {
  display: block;
  width: 72px;
  height: 72px;
  flex: 0 0 72px;
  border: 1px solid rgba(13, 27, 45, .12);
  border-radius: 19px;
  background: #e9edf2;
  box-shadow: 0 10px 28px rgba(13, 27, 45, .13);
  object-fit: cover;
  object-position: 50% 28%;
}

.teacher-card > img.teacher-photo,
.teacher-identity > img.teacher-photo {
  width: 72px;
  height: 72px;
  margin: 0;
}

.teacher-profile-main > img.teacher-photo,
img.teacher-photo.teacher-photo-detail {
  width: min(220px, 100%);
  height: auto;
  aspect-ratio: 4 / 5;
  margin: 0 0 25px;
  border-radius: 24px;
}

.pro-teacher-grid .teacher-card > img.teacher-photo {
  width: min(100%, 220px);
  height: auto;
  aspect-ratio: 1 / 1;
  margin: 0 auto 24px;
  border-radius: 50%;
  object-position: 50% 24%;
}

.pro-teacher-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 420px)) !important;
  justify-content: center;
  gap: 30px !important;
}

.pro-teacher-grid.teacher-grid-single {
  grid-template-columns: minmax(0, 920px) !important;
}

.pro-teacher-grid .teacher-card {
  width: 100%;
  padding: 28px !important;
  border-color: rgba(13, 27, 45, .1) !important;
  box-shadow: 0 24px 58px rgba(13, 27, 45, .11) !important;
}

.pro-teacher-grid .teacher-card h3 {
  margin-top: 16px;
  font-size: clamp(25px, 2.1vw, 32px);
}
.pro-teacher-grid .teacher-card > .eyebrow { display: inline-block; width: fit-content; max-width: 100%; padding: 7px 10px; border-radius: 8px; background: #fff0ef; color: #a9211b; font-size: 10px; line-height: 1.6; letter-spacing: .06em; }
.pro-teacher-grid .teacher-card > p { font-size: 15px; line-height: 1.7; }
.pro-teacher-grid .teacher-card > .teacher-specialties { min-height: 0; margin: 12px 0; font-size: 14px; line-height: 1.5; letter-spacing: 0; text-transform: none; color: #9f211a; }
.pro-teacher-grid .teacher-card > .tags { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0 22px; }
.pro-teacher-grid .teacher-card > .tags > span { padding: 7px 10px; border-radius: 8px; font-size: 11px; line-height: 1.5; color: #344256; background: #f4f6f9; border: 1px solid #e2e7ee; }

@media (min-width: 761px) {
  .pro-teacher-grid .teacher-card:only-child {
    display: grid;
    width: min(100%, 920px);
    max-width: 920px;
    min-height: 520px;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    grid-template-rows: repeat(6, auto);
    gap: 0 38px;
    align-items: start;
    padding: 24px !important;
    background: linear-gradient(135deg, #fff 0 72%, #fff4f3 100%) !important;
  }

  .pro-teacher-grid .teacher-card:only-child > img.teacher-photo {
    width: min(100%, 320px);
    height: auto;
    min-height: 0;
    grid-column: 1;
    grid-row: 1 / 7;
    align-self: center;
    justify-self: center;
    margin: 0;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    object-position: 50% 25%;
  }

  .pro-teacher-grid .teacher-card:only-child > :not(img) {
    grid-column: 2;
    min-width: 0;
  }

  .pro-teacher-grid .teacher-card:only-child > .eyebrow {
    margin-top: 18px;
  }

  .pro-teacher-grid .teacher-card:only-child > h3 {
    margin: 18px 0 12px;
    font-size: clamp(34px, 3vw, 46px);
  }

  .pro-teacher-grid .teacher-card:only-child > p {
    font-size: 16px;
    line-height: 1.75;
  }

  .pro-teacher-grid .teacher-card:only-child > .btn {
    align-self: end;
  }
}

.public-review-grid.public-review-empty {
  grid-template-columns: minmax(0, 1fr);
}

.public-review-empty > article {
  display: grid;
  min-height: 0;
  gap: 14px;
  align-items: start;
}

.public-review-empty > article p {
  min-height: 0;
  margin: 0;
}

.public-review-empty > article .btn {
  margin-top: 6px;
}

.blog-article-details {
  margin: 22px 0 18px;
  border-top: 1px solid var(--du-line);
  border-bottom: 1px solid var(--du-line);
}

.blog-article-details > summary {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--du-red);
  font-weight: 800;
  list-style: none;
}

.blog-article-details > summary::-webkit-details-marker {
  display: none;
}

.blog-article-details > summary::after {
  content: "+";
  font-size: 20px;
}

.blog-article-details[open] > summary::after {
  content: "−";
}

.blog-article-body {
  padding: 0 0 20px;
}

.blog-article-body h4 {
  margin: 18px 0 8px;
  font-size: 18px;
}

.blog-article-body p,
.blog-article-body li {
  color: var(--du-muted);
  line-height: 1.7;
}

.blog-article-body ul {
  display: grid;
  gap: 8px;
  padding-left: 20px;
}

.screen-dark-card .blog-article-details {
  border-color: rgba(255, 255, 255, .2);
}

.screen-dark-card .blog-article-details > summary {
  color: #ffaaa6;
}

.screen-dark-card .blog-article-body :is(h4, strong) {
  color: #fff !important;
}

@media (max-width: 860px) {
  .site-nav.open .nav-dropdown > summary {
    position: relative;
    justify-content: center !important;
    text-align: center !important;
  }

  .site-nav.open .nav-dropdown > summary > span {
    position: absolute;
    right: 14px;
  }

  .site-nav.open .nav-dropdown-menu a {
    justify-content: center !important;
    text-align: center !important;
  }

  .site-nav.open .nav-test-mobile {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border: 1px solid var(--du-red) !important;
    border-radius: 11px;
    background: var(--du-red) !important;
    color: #fff !important;
    font-weight: 800;
    box-shadow: 0 10px 22px rgba(213, 27, 22, .16);
  }
}

@media (max-width: 560px) {
  body:not(.panel-body) .section.intro-video-section {
    padding-block: 40px !important;
  }

  .intro-video-grid {
    gap: 18px !important;
  }

  .intro-video-grid h2 {
    margin: 12px 0 10px;
    font-size: clamp(28px, 9vw, 32px);
    line-height: 1.06;
  }

  .intro-video-grid > div > p {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
  }

  .intro-video-points {
    gap: 6px;
    margin-top: 14px;
  }

  .intro-video-points span {
    font-size: 12px;
    line-height: 1.4;
  }

  .intro-video-grid figure {
    padding: 5px;
    border-radius: 15px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, .24);
  }

  .intro-video-grid video {
    height: auto;
    border-radius: 11px;
  }

  .intro-video-grid figcaption {
    padding: 8px 6px 3px;
    font-size: 10px;
    line-height: 1.35;
    letter-spacing: .035em;
  }

  .teacher-profile-main > img.teacher-photo,
  img.teacher-photo.teacher-photo-detail {
    width: min(180px, 64vw);
    border-radius: 20px;
  }
}

@media (max-width: 430px) {
  .site-header .nav-actions {
    display: flex !important;
    margin-left: auto !important;
  }

  .site-header .nav-actions .btn-ghost,
  .site-header .nav-actions .btn-red {
    display: none !important;
  }

  .site-header .nav-actions .mobile-header-login {
    display: inline-flex !important;
    min-width: 84px;
    min-height: 40px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    border: 1px solid #f0b9b7;
    border-radius: 10px;
    background: #fff4f3;
    color: var(--du-red) !important;
    font-size: 13px;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
  }
}

@media (max-width: 360px) {
  .home-ref .ht-hero-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .home-ref .ht-hero-copy,
  .home-ref .ht-hero-media {
    width: 100% !important;
    min-width: 0 !important;
  }

  .home-ref .ht-system-pill {
    display: flex;
    width: 100%;
    min-width: 0;
    border-radius: 16px;
  }

  .home-ref .ht-system-pill span {
    min-width: 0;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.35;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (prefers-contrast: more) {
  :root { --du-line: #7b8796; --du-muted: #465469; }
  .side .ni { color: #fff !important; }
}

/* Keep public navigation labels intact; collapse before the row runs out of room. */
.student-reviews { padding: 48px 0 42px; background: #fff; border-bottom: 1px solid var(--du-line); }
.reviews-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.reviews-heading h2 { margin: 8px 0; color: var(--du-ink); font-size: clamp(25px, 3vw, 36px); line-height: 1.15; }
.reviews-heading p, .reviews-empty p { margin: 0; color: var(--du-muted); font-size: 14px; line-height: 1.6; }
.review-controls { display: flex; gap: 8px; flex-shrink: 0; }
.review-controls button { width: 44px; height: 44px; border: 1px solid var(--du-line); border-radius: 50%; color: var(--du-ink); background: #fff; font-size: 21px; cursor: pointer; }
.review-controls button:hover:not(:disabled) { background: var(--du-red); color: #fff; border-color: var(--du-red); }
.student-review-track { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; scrollbar-width: thin; scrollbar-color: #d8dee7 transparent; padding: 2px 2px 15px; }
.student-review-card { flex: 0 0 calc((100% - 36px)/3); min-width: 0; display: flex; flex-direction: column; padding: 25px; border: 1px solid var(--du-line); border-radius: 20px; background: #fafbfC; scroll-snap-align: start; }
.student-review-card .review-stars { color: var(--du-red); letter-spacing: 3px; }
.student-review-card blockquote { margin: 16px 0 24px; color: var(--du-ink); font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.student-review-card footer { display: flex; align-items: center; gap: 11px; margin-top: auto; }
.student-review-card footer > div { min-width: 0; }
.review-avatar { display: grid; place-items: center; flex: 0 0 42px; height: 42px; border-radius: 50%; background: var(--du-red-soft); color: var(--du-red); font-weight: 800; }
.student-review-card strong { display: block; font-size: 14px; color: var(--du-ink); overflow-wrap: anywhere; }
.student-review-card small { display: block; margin-top: 3px; font-size: 12px; color: var(--du-muted); }
.reviews-bottom { display: flex; justify-content: space-between; gap: 12px; margin-top: 12px; color: var(--du-muted); }
.reviews-bottom a { font-size: 13px; font-weight: 750; color: var(--du-red); }
.reviews-empty { display: flex; align-items: center; gap: 20px; border: 1px solid var(--du-line); background: #fafbfc; padding: 22px 26px; border-radius: 18px; }
.reviews-empty > span { color: var(--du-red); font-size: 64px; line-height: .8; }
.reviews-empty strong { display: block; margin-bottom: 5px; color: var(--du-ink); }
.reviews-empty .btn { margin-left: auto; flex-shrink: 0; white-space: nowrap; }
@media (max-width: 900px) { .student-review-card { flex-basis: calc((100% - 18px)/2); } }
@media (max-width: 600px) {
  .student-reviews { padding: 30px 0; }
  .reviews-heading { align-items: center; gap: 12px; margin-bottom: 16px; }
  .reviews-heading h2 { font-size: 25px; }
  .reviews-heading p { font-size: 13px; }
  .review-controls { gap: 5px; }
  .review-controls button { width: 38px; height: 38px; }
  .student-review-card { flex-basis: 88%; padding: 20px; }
  .reviews-bottom { flex-direction: column; }
  .reviews-empty { flex-wrap: wrap; gap: 12px; padding: 20px; }
  .reviews-empty > span { display: none; }
  .reviews-empty .btn { margin-left: 0; width: 100%; }
}
/* Keep the full level range on one line without widening the mobile overlay. */
.auth-v3 { background: #f7f7f5 !important; }
.auth-v3 .auth-experience { display: grid; grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr); width: min(1120px,calc(100% - 48px)); margin: 38px auto 54px; border: 1px solid #e1e5eb; border-radius: 28px; overflow: hidden; background: #fff; box-shadow: 0 18px 55px rgba(16,24,40,.07); }
.auth-v3 .auth-story { display: flex; flex-direction: column; padding: 48px 42px; background: radial-gradient(ellipse at 100% 5%,rgba(214,20,15,.23),transparent 52%),#111c2d; color: #fff; }
.auth-story-label { font: 600 10px/1.7 "JetBrains Mono",monospace; letter-spacing: .08em; color: #c4ccd8; }
.auth-v3 .auth-story h2 { margin: 44px 0 20px; font: 750 clamp(34px,3.2vw,45px)/1.13 "Manrope",sans-serif; letter-spacing: -.05em; color: #fff; }
.auth-story h2 em { color: #ff7770; font-style: normal; }
.auth-v3 .auth-story > p { max-width: 350px; margin: 0; color: #c4ccd8; font-size: 15px; line-height: 1.75; }
.auth-journey { display: grid; gap: 26px; margin: 44px 0; padding: 0; list-style: none; }
.auth-journey li { display: flex; align-items: flex-start; gap: 14px; }
.auth-journey li > b { display: grid; place-items: center; flex: 0 0 34px; height: 34px; border: 1px solid #3c4759; border-radius: 10px; font: 500 11px "JetBrains Mono",monospace; color: #ff8c86; }
.auth-journey strong { display: block; color: #fff; font-size: 15px; line-height: 1.4; }
.auth-journey li span { display: block; margin-top: 5px; color: #b4bfce; font-size: 12px; line-height: 1.65; }
.auth-story-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: auto; padding-top: 25px; border-top: 1px solid #344052; }
.auth-story-foot > span { color: #fff; font: 600 14px "JetBrains Mono",monospace; white-space: nowrap; }
.auth-story-foot small { color: #b4bfce; font-size: 11px; }
.auth-v3 .auth-card { min-width: 0; padding: 38px 48px 40px; background: #fff; }
.auth-switch { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin-bottom: 30px; border-radius: 12px; background: #f2f4f7; }
.auth-switch a { display: grid; place-items: center; min-height: 42px; border-radius: 9px; color: #596579; font-size: 13px; font-weight: 650; white-space: nowrap; }
.auth-switch a[aria-current=page] { background: #fff; color: var(--du-red); box-shadow: 0 2px 6px rgba(16,24,40,.07); }
.auth-kicker { display: block; color: #7b3540; font: 600 10px/1.6 "JetBrains Mono",monospace; letter-spacing: .07em; }
.auth-v3 .auth-card h1 { margin: 10px 0 12px; color: #101e30; font: 750 clamp(27px,2.6vw,34px)/1.18 "Manrope",sans-serif; letter-spacing: -.045em; overflow-wrap: anywhere; }
.auth-v3 .auth-lead { margin: 0 0 25px; color: #657184; font-size: 14px; line-height: 1.7; }
.auth-fields { display: grid; gap: 10px; }
.auth-v3 .auth-fields label { color: #26354a; font-size: 12px; font-weight: 650; line-height: 1.5; margin: 5px 0 0; }
.auth-v3 .auth-fields input:not([type=checkbox]),.auth-v3 .auth-fields select { width: 100%; min-width: 0; min-height: 49px; height: 49px; padding: 0 13px; margin: 0; border: 1px solid #d7dde5; border-radius: 10px; background: #fbfcfd; color: #172538; font-size: 15px; line-height: normal; box-shadow: none; }
.auth-v3 .auth-fields input:focus,.auth-v3 .auth-fields select:focus { border-color: #b81c18; outline: 3px solid rgba(207,24,17,.1); outline-offset: 1px; background: #fff; }
.auth-fields input::placeholder { color: #8b94a4; opacity: 1; }
.auth-two { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 14px; }
.auth-two > div { min-width: 0; display: grid; gap: 10px; }
.auth-password { display: flex; align-items: center; position: relative; min-width: 0; }
.auth-v3 .auth-password input { padding-right: 75px !important; }
.auth-password button { position: absolute; top: 5px; right: 5px; height: 39px; min-width: 62px; padding: 0 10px; border: 0; border-radius: 7px; background: transparent; color: #5b6472; font-size: 11px; font-weight: 650; cursor: pointer; }
.auth-password button:hover { color: #b81c18; background: #fff0ef; }
.auth-help { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 7px 0 12px; color: #7a8493; font-size: 11px; }
.auth-help > span { display: flex; align-items: center; gap: 5px; }
.auth-help i { width: 6px; height: 6px; border-radius: 50%; background: #25845c; }
.auth-help a,.auth-alternate a,.auth-consent a { color: #b31a15; font-weight: 650; }
.auth-v3 .auth-submit { display: flex; align-items: center; justify-content: center; gap: 14px; width: 100%; min-height: 50px; padding: 12px 16px; border: 0; border-radius: 11px; background: #cf1811; color: #fff; font: 700 14px/1.4 "Inter",sans-serif; cursor: pointer; box-shadow: 0 8px 18px rgba(207,24,17,.13); }
.auth-submit:hover { background: #b61712; }
.auth-submit:disabled { opacity: .7; cursor: wait; }
.auth-v3 .auth-alternate { margin: 23px 0 0; padding-top: 21px; border-top: 1px solid #e9edf2; text-align: center; color: #6d7889; font-size: 12px; line-height: 1.6; }
.auth-password-rules { display: flex; flex-wrap: wrap; gap: 5px 11px; margin: -1px 0 3px; padding: 0; list-style: none; }
.auth-password-rules li { color: #778193; font-size: 10px; line-height: 1.5; }
.auth-password-rules li::before { content: '○'; margin-right: 4px; }
.auth-password-rules li.is-met { color: #176c48; }
.auth-password-rules li.is-met::before { content: '✓'; }
.auth-match { font-size: 11px; color: #9f211a; min-height: 0; }
.auth-match:empty { display: none; }
.auth-match.is-match { color: #176c48; }
.auth-v3 .auth-fields .auth-consent { display: flex; align-items: flex-start; gap: 10px; margin: 12px 0 8px; color: #657184; font-size: 11px; font-weight: 400; line-height: 1.7; }
.auth-v3 .auth-consent input { appearance: auto; flex: 0 0 17px; width: 17px; height: 17px; min-height: 17px; margin: 1px 0 0; accent-color: #cf1811; }
.auth-form-note { text-align: center; margin-top: 4px; font-size: 10px; color: #778193; line-height: 1.6; }
.auth-status { display: flex; align-items: flex-start; gap: 12px; margin: 28px 0; padding: 18px; background: #f4f6f9; border: 1px solid #e0e5ed; border-radius: 14px; }
.auth-status > span { display: grid; place-items: center; flex: 0 0 24px; height: 24px; background: #e5eaf1; border-radius: 50%; color: #42516a; font-weight: 700; }
.auth-status strong { color: #2b3b51; font-size: 13px; }
.auth-status p { color: #6d7889; font-size: 12px; line-height: 1.7; margin: 6px 0 0; }
.auth-contact { display: block; padding: 15px 0 0; text-align: center; color: #42516a; font-size: 13px; font-weight: 600; }
.auth-v3 .auth-card :focus-visible { outline: 3px solid #cf1811; outline-offset: 3px; }
@media (max-width: 1000px) {
  .auth-v3 .auth-story { padding: 36px 30px; }
  .auth-v3 .auth-card { padding: 30px; }
}
@media (max-width: 760px) {
  .auth-v3 .auth-experience { display: block; width: min(510px,calc(100% - 28px)); margin: 20px auto 32px; border-radius: 20px; }
  .auth-v3 .auth-story { display: none; }
  .auth-v3 .auth-card { padding: 25px 23px; }
  .auth-switch { margin-bottom: 24px; }
  .auth-v3 .auth-card h1 { font-size: 29px; }
  .auth-v3 .auth-lead { font-size: 13px; margin-bottom: 22px; }
  .auth-v3 .auth-fields input:not([type=checkbox]),.auth-v3 .auth-fields select { font-size: 16px; }
  .auth-two { gap: 10px; }
}
@media (max-width: 359px) {
  .auth-v3 .auth-card { padding: 22px 17px; }
  .auth-v3 .auth-card h1 { font-size: 26px; }
  .auth-two { grid-template-columns: minmax(0,1fr); }
  .auth-help { flex-wrap: wrap; }
}
.home-ref .ht-level-float > strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 46px;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0;
}
.home-ref .ht-trial-notice { display: block; margin-top: 12px; color: #66758a; font-size: 12px; line-height: 1.5; }
@media (max-width: 360px) {
  .home-ref .ht-level-float { padding-inline: 8px; gap: 8px; }
}
.home-ref .ht-bento { grid-template-rows: auto !important; grid-auto-rows: auto; }
.home-ref .ht-feature-video { min-height: 0; grid-template-rows: auto auto; align-content: center; }
.home-ref .ht-live-video { position: relative; z-index: 1; min-width: 0; margin: 0; }
.home-ref .ht-live-preview--video { min-height: 0; aspect-ratio: 16 / 9; }
.home-ref .ht-live-preview--video::after { content: none; }
.home-ref .ht-live-preview--video video { display: block; width: 100%; height: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #080a0f; }
.home-ref .ht-live-video figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; padding: 12px 6px 0; color: #f4f6fa; font-size: 12px; line-height: 1.5; font-weight: 650; }
.home-ref .ht-live-video figcaption span { color: #b8c3d4; font-weight: 400; }
.home-ref .ht-live-preview--video video:focus-visible { outline: 3px solid #ef625c; outline-offset: -3px; }
.site-header .nav-wrap {
  width: calc(100% - 48px);
  max-width: 1440px;
  gap: 16px !important;
}
.site-header .site-nav > a,
.site-header .nav-dropdown { flex: 0 0 auto; }
.site-header .site-nav > a,
.site-header .nav-dropdown > summary {
  white-space: nowrap;
  padding-inline: 9px !important;
}
@media (min-width: 1201px) and (max-width: 1439px) {
  .site-header .nav-wrap { gap: 10px !important; }
  .site-header .brand { font-size: 28px !important; }
  .site-header .site-nav > a,
  .site-header .nav-dropdown > summary { font-size: 13px !important; padding-inline: 7px !important; }
  .site-header .nav-actions .btn-red { font-size: 12px !important; padding-inline: 12px !important; }
  .site-header .nav-actions .btn-ghost { padding-inline: 8px !important; }
}
@media (max-width: 1200px) {
  .site-header .nav-wrap { gap: 10px !important; }
  .site-header .menu-btn {
    display: flex !important; order: 3; flex: 0 0 44px;
    width: 44px !important; height: 44px !important;
    flex-direction: column; align-items: center; justify-content: center;
    gap: 4px; padding: 0; border: 1px solid var(--du-line);
    border-radius: 12px; background: #fff;
  }
  .site-header .menu-btn > span {
    display: block; flex: 0 0 2px; width: 20px; height: 2px;
    margin: 0; padding: 0; border: 0; border-radius: 999px;
    background: var(--du-ink);
  }
  .site-header .nav-actions { margin-left: auto !important; }
  .site-header .site-nav { display: none !important; }
  .site-header .site-nav.open {
    display: grid !important; grid-template-columns: minmax(0, 1fr);
    position: fixed !important; inset: 80px 12px auto !important;
    height: auto !important; max-height: calc(100dvh - 96px);
    overflow-y: auto; padding: 12px !important;
    border: 1px solid var(--du-line); border-radius: 18px;
    background: #fff !important; box-shadow: var(--du-shadow) !important;
  }
  .site-header .site-nav.open > a,
  .site-header .site-nav.open .nav-dropdown > summary {
    width: 100%; min-height: 44px; justify-content: center !important;
    text-align: center; font-size: 14px !important;
  }
  .site-header .site-nav.open .nav-dropdown { display: block; height: auto; min-width: 0; }
  .site-header .site-nav.open .nav-dropdown-menu {
    position: static !important; min-width: 0 !important; width: 100%;
    transform: none; margin: 4px 0 !important; box-shadow: none !important;
  }
  .site-header .site-nav.open .nav-dropdown:not([open]) > .nav-dropdown-menu { display: none !important; }
  .site-header .site-nav.open .nav-login-mobile,
  .site-header .site-nav.open .nav-test-mobile { display: flex !important; }
}
@media (max-width: 860px) {
  .site-header .nav-wrap { width: calc(100% - 30px); }
  .site-header .site-nav.open { inset: 72px 12px auto !important; max-height: calc(100dvh - 88px); }
}