/* WarRoom ChinaMBA v2.3 — Modern business-school command room */
:root {
  --v23-ink: #071521;
  --v23-ink-2: #0b1c2b;
  --v23-panel: rgba(17, 38, 54, 0.78);
  --v23-panel-solid: #102538;
  --v23-line: rgba(163, 188, 204, 0.18);
  --v23-line-strong: rgba(184, 207, 221, 0.32);
  --v23-text: #f3f1eb;
  --v23-muted: #9eb0bd;
  --v23-red: #e1583e;
  --v23-red-dark: #a93627;
  --v23-copper: #c48a56;
  --v23-cyan: #4bb8c7;
  --v23-green: #58b78f;
  --v23-gold: #d9ae66;
  --v23-danger: #ef6a64;
  --v23-radius: 18px;
  --v23-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

html { scroll-behavior: smooth; }

body.v23 {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--v23-text);
  background: var(--v23-ink);
  font-family: Inter, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  letter-spacing: 0.01em;
}

body.v23 *, body.v23 *::before, body.v23 *::after { box-sizing: border-box; }
body.v23 h1, body.v23 h2, body.v23 h3, body.v23 p { max-width: none; }
body.v23 h1, body.v23 h2, body.v23 h3 { margin-top: 0; word-break: keep-all; overflow-wrap: normal; }
body.v23 p, body.v23 li, body.v23 span, body.v23 small { word-break: normal; overflow-wrap: break-word; }
body.v23 a { color: inherit; }
body.v23 .bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: .32;
  pointer-events: none;
  background-size: 54px 54px;
  background-image: linear-gradient(rgba(106, 145, 169, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(106, 145, 169, .055) 1px, transparent 1px);
  mask-image: linear-gradient(to bottom, black 0, transparent 78%);
}

body.v23::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background: var(--v23-ink);
}

body.v23::after {
  content: "";
  position: fixed;
  width: 420px;
  height: 420px;
  right: -180px;
  top: 18vh;
  border: 1px solid rgba(225, 88, 62, .15);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(225, 88, 62, .018), 0 0 0 150px rgba(75, 184, 199, .012);
  pointer-events: none;
  z-index: -1;
}

/* Shared shell */
body.v23 .v23-shell-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  min-height: 72px;
  padding: 0 max(28px, calc((100vw - 1680px) / 2));
  display: grid;
  grid-template-columns: minmax(260px, .85fr) auto minmax(260px, .85fr);
  align-items: center;
  gap: 24px;
  border: 0;
  border-bottom: 1px solid var(--v23-line);
  background: rgba(7, 21, 33, .88);
  backdrop-filter: blur(22px) saturate(125%);
  -webkit-backdrop-filter: blur(22px) saturate(125%);
}

.v23-brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.v23-brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(225, 88, 62, .72);
  border-radius: 12px;
  color: #fff;
  background: #b64230;
  font: 800 17px/1 Georgia, serif;
  box-shadow: inset 0 0 0 4px rgba(7, 21, 33, .35);
}

.v23-brand > span:last-child { display: grid; gap: 1px; }
.v23-brand strong { font: 760 14px/1.05 "Segoe UI", sans-serif; letter-spacing: .12em; }
.v23-brand small { color: var(--v23-muted); font-size: 10px; letter-spacing: .06em; }

.v23-primary-nav { display: flex; align-self: stretch; align-items: stretch; justify-content: center; gap: 3px; }
.v23-primary-nav a {
  position: relative;
  min-width: 92px;
  padding: 0 16px;
  display: grid;
  place-items: center;
  color: #a9b8c3;
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.v23-primary-nav a:hover, .v23-primary-nav a.active { color: #fff; background: rgba(255, 255, 255, .025); }
.v23-primary-nav a.active::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: -1px;
  height: 3px;
  background: var(--v23-red);
}

.v23-header-actions, .v23-shell-header > .ghost, .v23-header-link, .v23-header-cta {
  justify-self: end;
}
.v23-header-actions { display: flex; align-items: center; gap: 14px; }
.v23-live { color: var(--v23-muted); font-size: 12px; white-space: nowrap; }
.v23-header-link, .v23-header-cta {
  border: 1px solid var(--v23-line-strong);
  border-radius: 10px;
  padding: 10px 15px;
  color: #e7edf0;
  text-decoration: none;
  font-size: 12px;
  font-weight: 650;
}
.v23-header-cta { border-color: rgba(225, 88, 62, .55); background: rgba(225, 88, 62, .1); }
.v23-header-cta span { color: var(--v23-red); margin-left: 8px; }

body.v23 button, body.v23 .v23-button {
  font: inherit;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
}
body.v23 button:hover, body.v23 .v23-button:hover { transform: translateY(-1px); }
body.v23 .primary, .v23-button.primary {
  color: #fff;
  border: 1px solid var(--v23-red);
  background: var(--v23-red-dark);
  box-shadow: none;
}
body.v23 .ghost, .v23-button.ghost {
  color: #dce4e8;
  border: 1px solid var(--v23-line-strong);
  background: rgba(255, 255, 255, .025);
}

.v23-page, .v23-showcase-main {
  width: min(1680px, calc(100% - 64px));
  margin: 0 auto;
}

.v23-eyebrow, .v23-kicker {
  margin: 0 0 12px;
  color: var(--v23-copper);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.v23-kicker { margin-bottom: 7px; color: var(--v23-cyan); font-size: 10px; }
.v23-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 28px; }
.v23-section-heading h2 { margin: 0; font-size: clamp(28px, 2.1vw, 40px); line-height: 1.14; letter-spacing: -.045em; }
.v23-section-heading > p { max-width: 540px; margin: 0; color: var(--v23-muted); line-height: 1.85; text-align: right; }

.v23-button {
  min-height: 46px;
  padding: 0 20px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 750;
}

.v23-footer {
  min-height: 82px;
  margin-top: 72px;
  padding: 0 max(32px, calc((100vw - 1680px) / 2));
  border-top: 1px solid var(--v23-line);
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--v23-muted);
  background: rgba(5, 15, 24, .72);
  font-size: 12px;
}
.v23-footer strong { color: var(--v23-text); letter-spacing: .08em; }
.v23-footer-company { margin-left: auto; color: #aebbc4; }
.v23-footer-company a,
.v23-footer-nav { color: var(--v23-copper); text-decoration: none; }
.v23-footer-company a:hover,
.v23-footer-nav:hover { color: #f4d1a1; }
.v23-footer-nav { margin-left: 8px; white-space: nowrap; }

@media (max-width: 1100px) {
  .v23-footer { min-height: 104px; padding-top: 22px; padding-bottom: 22px; flex-wrap: wrap; }
  .v23-footer-company { width: 100%; margin-left: 0; order: 3; }
  .v23-footer-nav { margin-left: auto; }
}

/* Product showcase */
.v23-showcase-hero {
  min-height: 690px;
  padding: 76px 0 64px;
  display: grid;
  grid-template-columns: minmax(420px, .82fr) minmax(680px, 1.18fr);
  align-items: center;
  gap: clamp(48px, 6vw, 108px);
}

.v23-showcase-copy h1 {
  margin: 0 0 26px;
  font-size: clamp(56px, 5vw, 82px);
  line-height: 1.02;
  letter-spacing: -.075em;
}
.v23-showcase-copy h1 span { color: var(--v23-red); }
.v23-lead { max-width: 650px; margin: 0; color: #bdc9d0; font-size: 17px; line-height: 1.95; }
.v23-hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.v23-proof-row { display: flex; gap: 30px; margin-top: 36px; color: var(--v23-muted); font-size: 12px; }
.v23-proof-row span { display: flex; align-items: baseline; gap: 7px; white-space: nowrap; }
.v23-proof-row b { color: #fff; font: 700 23px/1 Georgia, serif; }

.v23-hero-stage {
  position: relative;
  min-height: 548px;
  overflow: hidden;
  border: 1px solid var(--v23-line-strong);
  border-radius: 26px;
  background: rgba(11, 31, 47, .8);
  box-shadow: var(--v23-shadow);
  backdrop-filter: blur(20px);
}
.v23-hero-stage::before {
  content: "";
  position: absolute;
  inset: 54px 0 46px;
  opacity: .26;
  background-image: radial-gradient(circle at center, transparent 0 88px, rgba(121, 166, 190, .2) 89px 90px, transparent 91px), linear-gradient(rgba(117, 153, 174, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(117, 153, 174, .07) 1px, transparent 1px);
  background-size: 100% 100%, 34px 34px, 34px 34px;
}
.v23-stage-top, .v23-stage-foot {
  position: absolute;
  z-index: 5;
  left: 0;
  right: 0;
  min-height: 54px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  border-bottom: 1px solid var(--v23-line);
  color: var(--v23-muted);
  font-size: 11px;
  letter-spacing: .06em;
}
.v23-stage-top span { color: var(--v23-cyan); font-weight: 800; }
.v23-stage-top b { margin-left: auto; color: #e4ebee; }
.v23-stage-top em { padding: 5px 8px; border-radius: 99px; color: var(--v23-green); background: rgba(88, 183, 143, .1); font-style: normal; }
.v23-stage-foot { top: auto; bottom: 0; border-top: 1px solid var(--v23-line); border-bottom: 0; }
.v23-stage-foot span { display: inline-flex; align-items: center; gap: 7px; }
.v23-stage-foot i { width: 8px; height: 8px; border-radius: 50%; background: var(--v23-green); }
.v23-stage-foot i.wait { background: var(--v23-gold); }
.v23-stage-foot a { margin-left: auto; color: var(--v23-copper); text-decoration: none; }
.v23-stage-core { position: absolute; inset: 54px 0; }
.v23-stage-center {
  position: absolute;
  z-index: 3;
  left: 50%;
  top: 50%;
  width: 230px;
  height: 230px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(225, 88, 62, .58);
  border-radius: 50%;
  background: rgba(8, 25, 38, .96);
  box-shadow: 0 0 0 12px rgba(225, 88, 62, .04), 0 24px 52px rgba(0, 0, 0, .32);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.v23-stage-center small { color: var(--v23-muted); }
.v23-stage-center strong { max-width: 160px; margin: 10px 0 14px; font-size: 23px; line-height: 1.32; }
.v23-stage-center span { color: var(--v23-copper); font-size: 10px; }
.v23-stage-ring { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(89, 151, 176, .22); border-radius: 50%; transform: translate(-50%, -50%); }
.v23-stage-ring.ring-a { width: 480px; height: 340px; }
.v23-stage-ring.ring-b { width: 670px; height: 420px; border-style: dashed; }
.v23-stage-node {
  position: absolute;
  z-index: 4;
  width: 148px;
  min-height: 72px;
  padding: 13px 14px;
  border: 1px solid var(--v23-line-strong);
  border-radius: 13px;
  background: rgba(13, 36, 53, .92);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
  transition: border-color .4s ease, transform .4s ease, background .4s ease;
}
.v23-stage-node b, .v23-stage-node span { display: block; }
.v23-stage-node b { margin-bottom: 6px; font-size: 13px; }
.v23-stage-node span { color: var(--v23-muted); font-size: 10px; }
.v23-stage-node.active { border-color: var(--v23-red); background: #173044; transform: translateY(-3px); }
.v23-stage-node.n1 { left: 8%; top: 12%; }
.v23-stage-node.n2 { right: 7%; top: 15%; }
.v23-stage-node.n3 { right: 5%; top: 60%; }
.v23-stage-node.n4 { left: 8%; top: 62%; }
.v23-stage-node.n5 { left: calc(50% - 74px); bottom: 4%; }

.v23-showcase-strip {
  min-height: 112px;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 14px;
  align-items: stretch;
  border: 1px solid var(--v23-line);
  border-radius: var(--v23-radius);
  background: rgba(17, 38, 54, .58);
}
.v23-showcase-strip > p { align-self: center; margin: 0; color: var(--v23-muted); font-size: 12px; letter-spacing: .1em; }
.v23-showcase-strip article { padding: 14px 18px; border-left: 1px solid var(--v23-line); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; }
.v23-showcase-strip article > span { color: var(--v23-red); font: 700 13px/1 Georgia, serif; }
.v23-showcase-strip article b, .v23-showcase-strip article small { display: block; }
.v23-showcase-strip article b { font-size: 14px; }
.v23-showcase-strip article small { margin-top: 5px; color: var(--v23-muted); }
.v23-showcase-strip article a { color: var(--v23-copper); text-decoration: none; font-size: 12px; white-space: nowrap; }

.v23-showcase-section { padding: 112px 0 36px; }
.v23-journey-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--v23-line-strong); }
.v23-journey-grid article { min-height: 330px; padding: 30px 28px; border-right: 1px solid var(--v23-line); position: relative; }
.v23-journey-grid article:last-child { border-right: 0; }
.v23-journey-grid article > span { color: var(--v23-copper); font: 700 13px/1 Georgia, serif; }
.v23-journey-grid i { float: right; color: #718796; font-size: 9px; font-style: normal; letter-spacing: .14em; }
.v23-journey-grid h3 { margin: 54px 0 16px; font-size: 22px; }
.v23-journey-grid p { color: var(--v23-muted); line-height: 1.85; }
.v23-journey-grid b { position: absolute; left: 28px; bottom: 28px; color: var(--v23-cyan); font-size: 11px; }

.v23-role-section {
  margin-top: 112px;
  padding: 44px;
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 60px;
  border: 1px solid var(--v23-line);
  border-radius: 24px;
  background: rgba(17, 38, 54, .58);
}
.v23-role-copy { padding: 28px 12px; }
.v23-role-copy h2 { font-size: clamp(36px, 3.6vw, 58px); line-height: 1.08; letter-spacing: -.055em; }
.v23-role-copy > p:not(.v23-kicker) { max-width: 480px; color: var(--v23-muted); line-height: 1.85; }
.v23-role-copy a { display: inline-block; margin-top: 24px; color: var(--v23-copper); text-decoration: none; font-weight: 700; }
.v23-role-board { display: grid; gap: 12px; }
.v23-role-board article { position: relative; min-height: 155px; padding: 23px 26px 23px 116px; border: 1px solid var(--v23-line); border-radius: 15px; background: rgba(6, 20, 31, .46); }
.v23-role-board article > span { position: absolute; left: 22px; top: 24px; width: 70px; height: 70px; display: grid; place-items: center; border: 1px solid var(--v23-line-strong); border-radius: 50%; color: var(--v23-copper); font-weight: 800; }
.v23-role-board h3 { margin: 0 0 13px; font-size: 18px; }
.v23-role-board ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 7px 18px; color: var(--v23-muted); font-size: 11px; }
.v23-role-board li::before { content: "—"; margin-right: 6px; color: var(--v23-cyan); }

.v23-delivery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.v23-delivery-grid article { min-height: 230px; padding: 26px; border: 1px solid var(--v23-line); border-radius: 16px; background: rgba(17, 38, 54, .55); }
.v23-delivery-grid span { color: var(--v23-red); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.v23-delivery-grid h3 { margin: 54px 0 14px; font-size: 19px; }
.v23-delivery-grid p { margin: 0; color: var(--v23-muted); line-height: 1.75; }
.v23-final-cta { margin-top: 112px; padding: 50px 54px; display: flex; align-items: center; justify-content: space-between; gap: 40px; border-top: 1px solid var(--v23-line-strong); border-bottom: 1px solid var(--v23-line-strong); }
.v23-final-cta h2 { margin-bottom: 10px; font-size: clamp(32px, 3vw, 50px); }
.v23-final-cta p:not(.v23-eyebrow) { margin: 0; color: var(--v23-muted); }
.v23-final-cta > div:last-child { display: flex; gap: 12px; }

/* Public ranking */
.v23-rank-main { padding: 64px 0 0; }
.v23-rank-hero { display: grid; grid-template-columns: 1fr 330px; gap: 40px; align-items: end; padding-bottom: 40px; }
.v23-rank-hero h1 { margin: 0 0 18px; font-size: clamp(48px, 4.3vw, 72px); line-height: 1.04; letter-spacing: -.065em; }
.v23-rank-hero h1 span { color: var(--v23-red); }
.v23-rank-hero p:not(.v23-eyebrow) { max-width: 720px; margin: 0; color: var(--v23-muted); font-size: 16px; line-height: 1.85; }
.v23-rank-context { min-height: 150px; padding: 22px; border: 1px solid var(--v23-line); border-radius: 16px; background: var(--v23-panel); }
.v23-rank-context > span { display: block; color: var(--v23-muted); font-size: 10px; letter-spacing: .12em; }
.v23-rank-context > strong { display: block; margin: 10px 0 20px; font-size: 22px; }
.v23-rank-context > div { display: flex; align-items: end; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--v23-line); }
.v23-rank-context small { color: var(--v23-muted); }
.v23-rank-context b { color: var(--v23-copper); font: 700 13px/1.2 Georgia, serif; }

.v23-rank-toolbar { min-height: 94px; margin-bottom: 64px; padding: 16px 20px; display: flex; align-items: center; gap: 24px; border: 1px solid var(--v23-line); border-radius: 16px; background: var(--v23-panel); }
body.v23 .v23-rank-toolbar .controls { flex: 1; margin: 0; display: grid; grid-template-columns: minmax(280px, 1fr) 210px 140px; gap: 12px; }
body.v23 .v23-rank-toolbar label { position: relative; display: block; }
body.v23 .v23-rank-toolbar label > span { position: absolute; z-index: 1; left: 14px; top: 8px; color: var(--v23-muted); font-size: 9px; letter-spacing: .08em; }
body.v23 .v23-rank-toolbar select { width: 100%; height: 58px; padding: 21px 38px 6px 14px; border: 1px solid var(--v23-line); border-radius: 10px; color: #f1f4f5; background: rgba(6, 20, 31, .65); }
body.v23 .v23-rank-toolbar button { height: 58px; border-radius: 10px; }
.v23-toolbar-links { display: flex; gap: 18px; }
.v23-toolbar-links a { color: var(--v23-muted); text-decoration: none; font-size: 12px; white-space: nowrap; }
.v23-toolbar-links a:hover { color: #fff; }

body.v23 .podium { min-height: 260px; margin: 0 0 64px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: end; gap: 16px; }
body.v23 .podium-card { position: relative; min-height: 214px; padding: 28px; border: 1px solid var(--v23-line); border-radius: 18px; background: rgba(17, 38, 54, .68); box-shadow: none; transform: none; }
body.v23 .podium-card.first { min-height: 248px; border-color: rgba(217, 174, 102, .62); background: rgba(32, 47, 55, .88); }
body.v23 .podium-card.second { border-color: rgba(163, 188, 204, .32); }
body.v23 .podium-card.third { border-color: rgba(196, 138, 86, .42); }
body.v23 .podium-card .rank-badge { font: 700 31px/1 Georgia, serif; }
body.v23 .podium-card .team-name { margin-top: 26px; color: #fff; font-size: 24px; font-weight: 760; }
body.v23 .podium-card .team-sub { margin-top: 8px; color: var(--v23-muted); }
body.v23 .podium-card .stat-row { position: absolute; left: 28px; right: 28px; bottom: 24px; margin: 0; padding-top: 16px; border-top: 1px solid var(--v23-line); display: flex; justify-content: space-between; }
body.v23 .podium-card .stat-row span { color: var(--v23-muted); font-size: 11px; }
body.v23 .podium-card .stat-row strong { display: block; margin-top: 4px; color: #fff; font-size: 18px; }

.v23-table-panel { overflow: hidden; border: 1px solid var(--v23-line); border-radius: 18px; background: rgba(17, 38, 54, .58); }
.v23-table-title { padding: 26px 30px; display: flex; justify-content: space-between; align-items: end; border-bottom: 1px solid var(--v23-line); }
.v23-table-title h2 { margin: 0; font-size: 24px; }
.v23-table-title > span { color: var(--v23-muted); font-size: 11px; }
body.v23 .v23-table-panel .table-wrap { border: 0; border-radius: 0; background: transparent; }
body.v23 .v23-table-panel table { background: transparent; }
body.v23 .v23-table-panel th { height: 52px; color: #91a5b3; background: rgba(4, 17, 27, .34); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
body.v23 .v23-table-panel td { height: 64px; border-color: var(--v23-line); }
body.v23 .v23-table-panel tbody tr:hover { background: rgba(255, 255, 255, .025); }

/* Login */
body.v23.v23-login-page { display: block; }
body.v23 .login-wrap { width: min(1380px, calc(100% - 64px)); max-width: none; min-height: calc(100vh - 72px); margin: 0 auto; padding: 64px 0; display: grid; grid-template-columns: minmax(0, 1fr) 560px; gap: clamp(70px, 8vw, 140px); align-items: center; }
.v23-login-story h1 { margin: 0 0 26px; font-size: clamp(52px, 5vw, 76px); line-height: 1.04; letter-spacing: -.07em; }
.v23-login-story h1 span { color: var(--v23-red); }
.v23-login-story > p:not(.v23-eyebrow) { max-width: 620px; color: var(--v23-muted); font-size: 16px; line-height: 1.9; }
.v23-login-steps { margin: 38px 0 0; padding: 0; list-style: none; display: grid; gap: 1px; }
.v23-login-steps li { max-width: 590px; min-height: 80px; padding: 15px 4px; border-top: 1px solid var(--v23-line); display: flex; align-items: center; gap: 22px; }
.v23-login-steps li:last-child { border-bottom: 1px solid var(--v23-line); }
.v23-login-steps b { color: var(--v23-copper); font: 700 12px/1 Georgia, serif; }
.v23-login-steps strong, .v23-login-steps small { display: block; }
.v23-login-steps strong { margin-bottom: 5px; font-size: 16px; }
.v23-login-steps small { color: var(--v23-muted); }
.v23-story-note { display: flex; gap: 18px; margin-top: 25px; color: var(--v23-muted); font-size: 10px; }
.v23-story-note span::before { content: "✓"; margin-right: 5px; color: var(--v23-green); }

body.v23 .v23-login-card { width: 100%; max-width: none; padding: 30px; border: 1px solid var(--v23-line-strong); border-radius: 22px; background: rgba(17, 38, 54, .82); box-shadow: var(--v23-shadow); backdrop-filter: blur(24px); }
.v23-card-head { margin-bottom: 24px; padding-bottom: 22px; border-bottom: 1px solid var(--v23-line); }
.v23-card-head h2 { margin: 0 0 7px; font-size: 28px; }
.v23-card-head > span { color: var(--v23-muted); font-size: 12px; }
body.v23 .login-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
body.v23 .login-form label { min-width: 0; color: #dce4e8; font-size: 11px; font-weight: 650; }
body.v23 .login-form label > span { display: block; margin-bottom: 7px; color: var(--v23-muted); }
body.v23 .login-form select, body.v23 .login-form input { width: 100%; height: 52px; border: 1px solid var(--v23-line); border-radius: 9px; color: #fff; background: rgba(4, 17, 27, .56); }
body.v23 .login-form .login-btn { grid-column: 1 / -1; height: 54px; margin-top: 3px; display: flex; align-items: center; justify-content: space-between; padding: 0 18px; border-radius: 10px; }
.v23-demo-credentials { margin-top: 18px; padding: 11px 13px; border: 1px solid var(--v23-line); border-radius: 9px; }
.v23-demo-credentials summary { cursor: pointer; color: var(--v23-muted); font-size: 11px; }
.v23-demo-credentials p { margin: 10px 0 0; line-height: 1.65; font-size: 10px; }
body.v23 .login-links { margin-top: 15px; padding-top: 14px; border-top: 1px solid var(--v23-line); display: flex; flex-wrap: wrap; gap: 12px 18px; }
body.v23 .login-links a { color: var(--v23-muted); font-size: 10px; text-decoration: none; }

/* Team workbench */
body.v23 .team-header-meta { max-width: 360px; justify-self: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
body.v23.v23-team-page .team-header.v23-shell-header { grid-template-columns: 230px minmax(220px, 1fr) auto auto; }
body.v23.v23-team-page .team-header.v23-shell-header > .ghost { justify-self: end; white-space: nowrap; }
body.v23 .home-main { width: min(1680px, calc(100% - 64px)); max-width: none; margin: 0 auto; padding: 46px 0 64px; }
.v23-team-intro { margin-bottom: 24px; display: flex; align-items: end; justify-content: space-between; }
.v23-team-intro h1 { margin: 0 0 7px; font-size: 38px; letter-spacing: -.045em; }
.v23-team-intro p:not(.v23-eyebrow) { margin: 0; color: var(--v23-muted); }
.v23-team-intro-links { display: flex; gap: 10px; }
.v23-team-intro-links a { padding: 9px 12px; border: 1px solid var(--v23-line); border-radius: 8px; color: var(--v23-muted); text-decoration: none; font-size: 11px; }
.v23-command-grid { display: grid; grid-template-columns: minmax(0, 1.28fr) minmax(390px, .72fr); gap: 16px; margin-bottom: 16px; }
body.v23 .home-hero, body.v23 .team-panel { margin: 0 0 16px; border: 1px solid var(--v23-line); border-radius: 16px; background: rgba(17, 38, 54, .68); box-shadow: none; backdrop-filter: blur(16px); }
body.v23 .v23-command-grid > * { margin-bottom: 0; }
body.v23 .hero-card { min-height: 244px; padding: 28px; display: grid; grid-template-columns: minmax(230px, .62fr) 1.38fr; gap: 30px; border: 0; background: transparent; }
body.v23 .hero-card h1 { margin-bottom: 9px; font-size: 36px; letter-spacing: -.04em; }
body.v23 .hero-card p { color: var(--v23-muted); }
body.v23 .hero-stats { display: grid; grid-template-columns: repeat(4, minmax(100px, 1fr)); gap: 8px; }
body.v23 .hero-stats > div { min-width: 0; padding: 14px; border: 1px solid var(--v23-line); border-radius: 10px; background: rgba(5, 18, 28, .35); }
body.v23 .hero-stats span { display: block; color: var(--v23-muted); font-size: 9px; }
body.v23 .hero-stats strong { display: block; margin-top: 8px; color: #fff; font-size: 18px; font-variant-numeric: tabular-nums; }
body.v23 .team-panel { padding: 24px; }
.v23-panel-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 14px; }
.v23-panel-heading h3 { margin: 0; font-size: 20px; }
.v23-panel-heading > span { color: var(--v23-muted); font-size: 10px; }
body.v23 .task-summary { border: 0; background: transparent; }
body.v23 .task-item { border-color: var(--v23-line); background: rgba(5, 18, 28, .28); }
body.v23 .task-item.incomplete { border-left: 3px solid var(--v23-red); }
body.v23 .home-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 16px; }
body.v23 .module-cards { grid-template-columns: repeat(6, minmax(140px, 1fr)); gap: 10px; }
body.v23 .module-card { min-height: 116px; padding: 15px; border: 1px solid var(--v23-line); border-radius: 11px; background: rgba(5, 18, 28, .3); }
body.v23 .module-card.open { border-color: rgba(75, 184, 199, .35); }
body.v23 .module-card:hover { border-color: var(--v23-copper); transform: translateY(-2px); }
body.v23 .mod-icon { filter: grayscale(1); opacity: .82; }
body.v23 .innovation-tags .tag { background: rgba(255,255,255,.03); border-color: var(--v23-line); }

/* Classroom command */
body.v23.v23-classroom-page .v23-shell-header { grid-template-columns: 220px minmax(280px, 1fr) auto; }
body.v23 .present-meta { width: 100%; display: grid; grid-template-columns: 112px 76px minmax(150px, 1fr); align-items: center; gap: 14px; color: var(--v23-muted); font-size: 11px; white-space: nowrap; }
body.v23 .present-meta > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
body.v23 .present-meta .present-clock { min-width: 112px; color: #fff; font: 700 22px/1 "Segoe UI", sans-serif; letter-spacing: .04em; }
body.v23 .present-actions { justify-self: end; display: flex; gap: 8px; }
body.v23 .present-actions .ghost { padding: 9px 11px; border-radius: 8px; font-size: 10px; }
body.v23 .classroom-world-pick { min-width: 240px; height: 38px; padding: 0 6px 0 12px; border: 1px solid var(--v23-line); border-radius: 8px; }
body.v23 .classroom-world-pick span { font-size: 9px; }
body.v23 .classroom-world-pick select { min-width: 170px; border: 0; background: transparent; }
body.v23.v23-classroom-page .classroom-main { width: min(1680px, calc(100% - 64px)); max-width: none; margin: 0 auto; padding: 46px 0 64px; }
.v23-classroom-intro { display: flex; align-items: end; justify-content: space-between; margin-bottom: 26px; }
.v23-classroom-intro h1 { margin: 0 0 7px; font-size: 42px; letter-spacing: -.05em; }
.v23-classroom-intro p:not(.v23-eyebrow) { margin: 0; color: var(--v23-muted); }
.v23-classroom-legend { display: flex; gap: 9px; }
.v23-classroom-legend span { padding: 7px 10px; border: 1px solid var(--v23-line); border-radius: 99px; color: var(--v23-muted); font-size: 10px; }
.v23-classroom-legend span::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--v23-muted); }
.v23-classroom-legend .ready::before { background: var(--v23-green); }
.v23-classroom-legend .partial::before { background: var(--v23-gold); }
body.v23 .classroom-kpis { grid-template-columns: repeat(4, 1fr); gap: 12px; }
body.v23 .classroom-kpi { min-height: 132px; padding: 22px; border: 1px solid var(--v23-line); border-radius: 14px; background: rgba(17, 38, 54, .68); }
body.v23 .classroom-kpi span { color: var(--v23-muted); font-size: 10px; letter-spacing: .06em; }
body.v23 .classroom-kpi strong { margin-top: 12px; font: 700 37px/1 Georgia, serif; }
body.v23 .classroom-kpi.clock strong { font-size: 28px; }
body.v23 .classroom-meta { margin: 16px 0; padding: 11px 14px; border-left: 3px solid var(--v23-copper); color: var(--v23-muted); background: rgba(17, 38, 54, .38); }
body.v23 .classroom-table-wrap { border: 1px solid var(--v23-line); border-radius: 16px; overflow: hidden; background: rgba(17, 38, 54, .56); }
body.v23 .classroom-table { border: 0; background: transparent; font-size: 14px; }
body.v23 .classroom-table th { height: 54px; padding: 0 18px; color: var(--v23-muted); background: rgba(5, 18, 28, .35); font-size: 10px; letter-spacing: .06em; }
body.v23 .classroom-table td { height: 70px; padding: 0 18px; border-color: var(--v23-line); }
body.v23 .classroom-table tr.ready { background: rgba(88, 183, 143, .045); }
body.v23 .classroom-table tr.partial { background: rgba(217, 174, 102, .035); }

/* Accessible responsive behavior */
body.v23 :focus-visible { outline: 2px solid var(--v23-copper); outline-offset: 3px; }

@media (max-width: 1420px) {
  body.v23 .v23-shell-header { grid-template-columns: 230px auto 230px; padding-inline: 24px; gap: 12px; }
  .v23-primary-nav a { min-width: 78px; padding-inline: 10px; }
  .v23-showcase-hero { grid-template-columns: .96fr 1.04fr; gap: 44px; }
  .v23-showcase-copy h1 { font-size: clamp(50px, 4.4vw, 64px); }
  .v23-hero-stage { min-height: 500px; }
  .v23-stage-ring.ring-b { width: 580px; }
  body.v23 .module-cards { grid-template-columns: repeat(5, minmax(130px, 1fr)); }
}

@media (max-width: 1180px) {
  body.v23 .v23-shell-header { grid-template-columns: 220px 1fr auto; }
  .v23-primary-nav a { min-width: auto; }
  .v23-live, .v23-header-link { display: none; }
  .v23-page, .v23-showcase-main, body.v23 .home-main, body.v23.v23-classroom-page .classroom-main { width: calc(100% - 40px); }
  .v23-showcase-hero { grid-template-columns: 1fr; padding-top: 56px; }
  .v23-showcase-copy { max-width: 850px; }
  .v23-journey-grid, .v23-delivery-grid { grid-template-columns: 1fr 1fr; }
  .v23-role-section { grid-template-columns: 1fr; }
  body.v23 .login-wrap { width: calc(100% - 48px); grid-template-columns: .9fr 1.1fr; gap: 40px; }
  body.v23 .hero-stats { grid-template-columns: repeat(3, 1fr); }
  body.v23 .module-cards { grid-template-columns: repeat(4, minmax(130px, 1fr)); }
  body.v23.v23-classroom-page .v23-shell-header { grid-template-columns: 220px auto 1fr; }
  body.v23.v23-team-page .team-header.v23-shell-header { grid-template-columns: 210px 1fr auto; }
  body.v23.v23-team-page .team-header-meta { display: none; }
  body.v23.v23-team-page .team-header.v23-shell-header > .ghost { grid-column: 3; grid-row: 1; }
}

@media (max-width: 900px) {
  body.v23 .v23-shell-header { position: relative; min-height: auto; padding: 14px 20px; display: flex; flex-wrap: wrap; }
  .v23-primary-nav { order: 3; width: 100%; min-height: 42px; overflow-x: auto; justify-content: flex-start; }
  .v23-primary-nav a { min-height: 42px; }
  .v23-header-actions, .v23-shell-header > .ghost, .v23-header-link, .v23-header-cta { margin-left: auto; }
  .v23-showcase-hero { min-height: auto; }
  .v23-hero-stage { min-height: 470px; }
  .v23-showcase-strip { grid-template-columns: 1fr; }
  .v23-showcase-strip article { border-left: 0; border-top: 1px solid var(--v23-line); }
  .v23-section-heading, .v23-final-cta { align-items: flex-start; flex-direction: column; }
  .v23-section-heading > p { text-align: left; }
  .v23-rank-hero { grid-template-columns: 1fr; }
  .v23-rank-toolbar { align-items: stretch; flex-direction: column; }
  body.v23 .v23-rank-toolbar .controls { grid-template-columns: 1fr 1fr; }
  body.v23 .v23-rank-toolbar button { grid-column: 1 / -1; }
  body.v23 .login-wrap { grid-template-columns: 1fr; }
  .v23-login-story { padding-top: 10px; }
  .v23-command-grid, body.v23 .home-grid { grid-template-columns: 1fr; }
  body.v23 .hero-card { grid-template-columns: 1fr; }
  body.v23 .module-cards { grid-template-columns: repeat(3, 1fr); }
  body.v23.v23-classroom-page .v23-shell-header { display: flex; }
  body.v23 .present-meta { margin-left: auto; }
  body.v23 .present-actions { order: 3; width: 100%; overflow-x: auto; }
}

@media (max-width: 640px) {
  .v23-page, .v23-showcase-main, body.v23 .home-main, body.v23.v23-classroom-page .classroom-main { width: calc(100% - 28px); }
  .v23-showcase-copy h1, .v23-login-story h1 { font-size: 44px; }
  .v23-hero-stage { min-height: 430px; }
  .v23-stage-node { width: 112px; min-height: 60px; padding: 10px; }
  .v23-stage-ring.ring-a { width: 320px; }
  .v23-stage-ring.ring-b { width: 440px; }
  .v23-stage-center { width: 180px; height: 180px; }
  .v23-stage-center strong { font-size: 18px; }
  .v23-journey-grid, .v23-delivery-grid { grid-template-columns: 1fr; }
  .v23-role-section { padding: 22px; }
  .v23-role-board article { padding-left: 24px; padding-top: 100px; }
  .v23-role-board article > span { left: 24px; }
  body.v23 .podium { grid-template-columns: 1fr; }
  body.v23 .podium-card.first { min-height: 214px; }
  body.v23 .login-form { grid-template-columns: 1fr; }
  body.v23 .login-form .login-btn { grid-column: auto; }
  .v23-proof-row, .v23-story-note { flex-wrap: wrap; }
  body.v23 .hero-stats { grid-template-columns: repeat(2, 1fr); }
  body.v23 .module-cards { grid-template-columns: 1fr 1fr; }
  .v23-classroom-intro { align-items: flex-start; flex-direction: column; gap: 18px; }
  body.v23 .classroom-kpis { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  body.v23 *, body.v23 *::before, body.v23 *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}