/* WarRoom ChinaMBA — Modern business-school casebook system */
:root {
  --case-paper: #f5f2eb;
  --case-paper-strong: #fbfaf6;
  --case-paper-soft: #ece7dc;
  --case-ink: #24231f;
  --case-muted: #6f6a60;
  --case-line: #d8d0c3;
  --case-line-strong: #beb5a7;
  --case-green: #345c45;
  --case-green-dark: #294936;
  --case-red: #b93625;
  --case-red-dark: #942a1e;
  --case-gold: #8a7756;
  --case-success: #2f7655;
  --case-danger: #aa3327;
  --case-shadow: 0 14px 34px rgba(65, 55, 40, .07);
  --case-serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --case-sans: "Inter", "SF Pro Text", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

html { background: var(--case-paper); }
body.v23.casebook {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--case-ink);
  background: var(--case-paper);
  font-family: var(--case-sans);
  font-size: 15px;
  letter-spacing: 0;
}
body.v23.casebook.access-page { background: var(--case-paper) !important; }
body.v23.casebook.access-page::before,
body.v23.casebook.access-page::after { display: none !important; }
body.casebook::before,
body.casebook::after,
body.casebook .bg-grid { display: none !important; }
body.casebook *, body.casebook *::before, body.casebook *::after { box-sizing: border-box; }
body.casebook h1, body.casebook h2, body.casebook h3, body.casebook p { max-width: none; }
body.casebook h1, body.casebook h2, body.casebook h3 { color: var(--case-ink); }
body.casebook a { color: inherit; }
body.casebook button, body.casebook input, body.casebook select, body.casebook textarea { font: inherit; }
body.casebook button:hover, body.casebook .v23-button:hover { transform: none; }

/* Header */
body.casebook .v23-shell-header,
body.casebook header.team-header,
body.casebook .workspace-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  min-height: 82px;
  padding: 0 max(40px, calc((100vw - 1720px) / 2));
  display: grid;
  grid-template-columns: minmax(300px, .9fr) auto minmax(240px, .65fr);
  align-items: center;
  gap: 28px;
  color: var(--case-ink);
  border: 0;
  border-bottom: 1px solid var(--case-line);
  background: rgba(251, 250, 246, .95);
  box-shadow: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
body.casebook .v23-brand { display: inline-flex; align-items: center; gap: 14px; text-decoration: none; }
body.casebook .v23-brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: #fffaf2;
  background: var(--case-red);
  border: 1px solid var(--case-red-dark);
  border-radius: 10px;
  box-shadow: inset 0 0 0 3px rgba(255, 250, 242, .18);
  font: 700 25px/1 Georgia, serif;
}
body.casebook .v23-brand > span:last-child { display: flex; align-items: baseline; gap: 8px; }
body.casebook .v23-brand strong { color: var(--case-ink); font: 700 24px/1 var(--case-serif); letter-spacing: -.025em; }
body.casebook .v23-brand small { color: #38352f; font: 600 14px/1 var(--case-serif); }
body.casebook .v23-primary-nav { align-self: stretch; display: flex; justify-content: center; align-items: stretch; gap: 0; }
body.casebook .v23-primary-nav a {
  min-width: 118px;
  padding: 0 23px;
  display: grid;
  place-items: center;
  position: relative;
  color: #38352f;
  border-left: 1px solid #e6e0d6;
  background: transparent;
  text-decoration: none;
  font: 600 16px/1 var(--case-serif);
  white-space: nowrap;
}
body.casebook .v23-primary-nav a:last-child { border-right: 1px solid #e6e0d6; }
body.casebook .v23-primary-nav a:hover,
body.casebook .v23-primary-nav a.active { color: var(--case-ink); background: rgba(125, 110, 86, .035); }
body.casebook .v23-primary-nav a.active::after { content: ""; position: absolute; left: 28px; right: 28px; bottom: 0; height: 3px; background: var(--case-red); }
body.casebook .v23-header-link,
body.casebook .v23-header-cta,
body.casebook .v23-shell-header > .ghost {
  justify-self: end;
  padding: 11px 18px;
  color: #39362f;
  border: 1px solid #c98b7c;
  border-radius: 5px;
  background: transparent;
  text-decoration: none;
  font-weight: 650;
}

/* Unified access */
.casebook-access { width: 100% !important; max-width: none !important; min-height: calc(100vh - 82px); margin: 0 !important; padding: 0 !important; }
.casebook-role-gateway {
  min-height: 126px;
  padding: 23px max(40px, calc((100vw - 1400px) / 2));
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  align-items: center;
  gap: 40px;
  border-bottom: 1px solid var(--case-line);
  background: rgba(251, 250, 246, .8);
}
.casebook-role-gateway h1 { margin: 0 0 7px; font: 700 23px/1.2 var(--case-serif); }
.casebook-role-gateway > div > p { margin: 0; color: var(--case-muted); }
.casebook-role-tabs { min-width: 0; padding: 3px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--case-line); border-radius: 7px; background: var(--case-paper-strong); }
.casebook-role-tab {
  min-height: 74px;
  padding: 10px 26px;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto;
  align-content: center;
  column-gap: 14px;
  text-align: left;
  color: var(--case-ink);
  border: 0;
  border-right: 1px solid var(--case-line);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}
.casebook-role-tab:last-child { border-right: 0; }
.casebook-role-tab span:not(.role-glyph) { font: 700 20px/1.2 var(--case-serif); }
.casebook-role-tab small { margin-top: 4px; color: var(--case-muted); font-size: 13px; }
.casebook-role-tab.active { color: #fff; border-color: var(--case-green); background: var(--case-green); box-shadow: inset 0 0 0 2px rgba(255,255,255,.18); }
.casebook-role-tab.active small { color: rgba(255,255,255,.86); }

.casebook-access-main { height: 626px; min-height: 626px; display: grid; grid-template-columns: minmax(500px, .98fr) minmax(620px, 1.02fr); border-bottom: 1px solid var(--case-line); }
.casebook-access-form-panel { min-width: 0; padding: 40px max(44px, calc((100vw - 1390px) / 2)) 22px max(44px, calc((100vw - 1390px) / 2)); border-right: 1px solid var(--case-line); background: rgba(251,250,246,.82); }
.casebook-access-form-panel > header { position: static; display: block; padding: 0 0 17px; border: 0; border-bottom: 1px dashed var(--case-line); background: transparent; }
.casebook-access-form-panel h2 { margin: 0 0 8px; font: 700 40px/1.15 var(--case-serif); letter-spacing: .02em; }
.casebook-access-form-panel h2 span { display: inline-block; margin-left: 12px; padding: 3px 5px; color: var(--case-red); border: 1px solid #c97869; font: 600 12px/1 var(--case-serif); writing-mode: vertical-rl; vertical-align: middle; }
.casebook-access-form-panel header p { margin: 0; color: var(--case-muted); line-height: 1.65; }
.casebook-access-form-panel .access-panels { min-height: 0; padding-top: 4px; }
.casebook-access-form-panel .access-panel[hidden] { display: none; }
body.v23.casebook .casebook-access-form-panel .access-form { display: grid; grid-template-columns: 1fr; gap: 0; }
body.v23.casebook .casebook-access-form-panel .access-form label {
  min-height: 100px;
  margin: 0;
  display: grid;
  grid-template-columns: 68px 150px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  color: var(--case-ink);
  border-bottom: 1px dashed var(--case-line);
}
.casebook-form-row {
  min-height: 100px;
  display: grid;
  grid-template-columns: 68px 150px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  border-bottom: 1px dashed var(--case-line);
}
.casebook-field-pair { min-width: 0; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 8px; }
.casebook-access-form-panel .field-number { color: var(--case-gold); font: 500 31px/1 Georgia, serif; }
.casebook-access-form-panel .field-label { color: var(--case-ink); font: 700 15px/1.4 var(--case-serif); }
.casebook-access-form-panel input,
.casebook-access-form-panel select {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  color: var(--case-ink);
  border: 1px solid var(--case-line);
  border-radius: 5px;
  outline: none;
  background: rgba(255,255,255,.72);
}
body.v23.casebook .casebook-access-form-panel .access-form label > span { margin: 0; }
body.v23.casebook .casebook-access-form-panel .login-form input,
body.v23.casebook .casebook-access-form-panel .login-form select {
  width: 100%;
  height: 52px;
  margin: 0;
  padding: 0 16px;
  color: var(--case-ink);
  border: 1px solid var(--case-line);
  border-radius: 5px;
  background: rgba(255,255,255,.8);
}
.casebook-access-form-panel input:focus,
.casebook-access-form-panel select:focus { border-color: var(--case-green); box-shadow: 0 0 0 3px rgba(52,92,69,.1); }
.casebook-access-form-panel .single-column { padding-top: 24px; }
.casebook-access-form-panel .single-column label { grid-template-columns: 68px 150px minmax(0,1fr); }
.casebook-access-form-panel .access-permission-note { margin: 22px 0 6px 230px; padding: 16px; display: grid; gap: 5px; color: var(--case-muted); border-left: 3px solid var(--case-green); background: rgba(52,92,69,.05); }
.casebook-access-form-panel .access-permission-note strong { color: var(--case-green); }
body.v23.casebook .casebook-access-form-panel .login-form .login-btn {
  grid-column: 1;
  min-height: 58px;
  margin-top: 18px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: #fff;
  border: 1px solid var(--case-red-dark);
  border-radius: 4px;
  background: var(--case-red);
  box-shadow: none;
  font: 700 18px/1 var(--case-serif);
  cursor: pointer;
}
.casebook-access-form-panel .login-btn:hover { background: var(--case-red-dark); }
.casebook-access-form-panel .login-btn:disabled { opacity: .58; cursor: wait; }
.casebook-access-form-panel .access-status { min-height: 22px; margin: 13px 0 0; font-size: 13px; }
.casebook-access-form-panel .access-status.error { color: var(--case-danger); }
.casebook-access-form-panel .access-status.success { color: var(--case-success); }
.casebook-access-form-panel .access-status.pending { color: var(--case-gold); }
.casebook-access-form-panel .access-public-links { margin-top: 8px; display: flex; gap: 17px; color: var(--case-muted); font-size: 12px; }
body.v23.casebook .casebook-access-form-panel .access-public-links { display: none; }
.casebook-access-form-panel .access-public-links a { color: var(--case-green); text-decoration: none; }

.casebook-brief { min-width: 0; padding: 35px max(40px, calc((100vw - 1390px) / 2)) 34px 40px; background: #f0ebdf; }
.casebook-brief-kicker { margin: 0 0 3px; color: var(--case-green); font: 700 21px/1.2 var(--case-serif); }
.casebook-brief-kicker::after { content: ""; width: 38px; height: 2px; margin-top: 10px; display: block; background: var(--case-red); }
.casebook-brief h2 { margin: 22px 0 7px; text-align: center; font: 700 39px/1.2 var(--case-serif); letter-spacing: .07em; }
.casebook-round { margin: 0; text-align: center; color: var(--case-ink); font: 650 20px/1.4 var(--case-serif); }
.casebook-round strong { color: var(--case-red); }
.casebook-countdown { margin: 7px 0 20px; text-align: center; color: var(--case-muted); }
.casebook-countdown time { margin-left: 7px; color: var(--case-red); font: 700 16px/1 Georgia, serif; }
.casebook-brief-facts { padding: 19px 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); border-top: 1px solid var(--case-line); border-bottom: 1px solid var(--case-line); }
.casebook-brief-facts div { min-width: 0; padding: 0 20px; border-right: 1px solid var(--case-line); }
.casebook-brief-facts div:first-child { padding-left: 0; }
.casebook-brief-facts div:last-child { padding-right: 0; border-right: 0; }
.casebook-brief-facts b { display: block; margin-bottom: 5px; color: var(--case-green); font: 700 14px/1.3 var(--case-serif); }
.casebook-brief-facts span { color: #514d45; font: 600 13px/1.55 var(--case-serif); }
.casebook-teacher-note { margin-top: 18px; padding: 15px 18px; border: 1px solid var(--case-line); border-radius: 4px; background: rgba(255,255,255,.32); }
.casebook-teacher-note b { display: block; margin-bottom: 6px; color: var(--case-red); font: 700 14px/1.2 var(--case-serif); }
.casebook-teacher-note p { margin: 0; color: #555047; font: 500 13px/1.7 var(--case-serif); }
.casebook-teacher-note cite { display: block; margin-top: 6px; color: var(--case-muted); text-align: right; font-style: normal; font-family: var(--case-serif); }
.casebook-flow { margin-top: 16px; }
.casebook-flow > b { color: var(--case-green); font: 700 14px/1.2 var(--case-serif); }
.casebook-flow ol { margin: 12px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); list-style: none; border-top: 1px solid var(--case-line-strong); }
.casebook-flow li { position: relative; padding-top: 15px; text-align: center; color: #59544b; font: 600 13px/1.5 var(--case-serif); }
.casebook-flow li::before { content: ""; position: absolute; top: -5px; left: calc(50% - 4px); width: 8px; height: 8px; border-radius: 50%; background: #9a9488; }
.casebook-flow li.done::before { background: var(--case-green); }
.casebook-flow li.active { color: var(--case-red); }
.casebook-flow li.active::before { width: 10px; height: 10px; top: -6px; background: var(--case-red); }
.casebook-flow li small { display: block; color: var(--case-muted); font-size: 11px; }

.casebook-stage-strip { padding: 40px max(38px, calc((100vw - 1410px) / 2)); background: var(--case-paper); }
.casebook-stage-strip > div { min-height: 168px; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border: 1px solid var(--case-line); border-radius: 5px; background: rgba(251,250,246,.7); }
.casebook-stage-strip article { min-width: 0; padding: 23px 38px; position: relative; border-right: 1px solid var(--case-line); }
.casebook-stage-strip article:last-child { border-right: 0; }
.casebook-stage-strip span { color: var(--case-green); font: 500 23px/1 Georgia, serif; letter-spacing: .14em; }
.casebook-stage-strip h3 { margin: 10px 0 7px; font: 700 21px/1.2 var(--case-serif); letter-spacing: .05em; }
.casebook-stage-strip p { margin: 0; max-width: 230px; color: var(--case-muted); font: 500 13px/1.75 var(--case-serif); }

/* Shared content surfaces */
body.casebook .v23-page,
body.casebook .v23-showcase-main,
body.casebook .home-main,
body.casebook .admin-main,
body.casebook .board-main,
body.casebook main { color: var(--case-ink); }
body.casebook .v23-page,
body.casebook .v23-showcase-main { width: min(1720px, calc(100% - 72px)); margin: 0 auto; }
body.casebook .team-panel,
body.casebook .home-hero,
body.casebook .workspace-hero,
body.casebook .admin-section,
body.casebook .admin-tabs,
body.casebook .board-meeting-card,
body.casebook .v23-showcase-section,
body.casebook .v23-role-board article,
body.casebook .v23-delivery-grid article,
body.casebook .v23-journey-grid article {
  color: var(--case-ink);
  border-color: var(--case-line);
  background: rgba(251,250,246,.78);
  box-shadow: var(--case-shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
body.casebook .v23-eyebrow,
body.casebook .v23-kicker,
body.casebook .v23-panel-heading > span,
body.casebook .muted { color: var(--case-muted); }
body.casebook .v23-eyebrow,
body.casebook .v23-kicker { font-family: var(--case-serif); letter-spacing: .08em; }
body.casebook .v23-panel-heading h3,
body.casebook .workspace-section-heading h2,
body.casebook .workspace-hero h1 { color: var(--case-ink); font-family: var(--case-serif); }
body.casebook table { color: var(--case-ink); }
body.casebook th { color: #5d574e; background: var(--case-paper-soft); }
body.casebook td { border-color: var(--case-line); }
body.casebook tr:hover td { background: rgba(138,119,86,.04); }
body.casebook input, body.casebook select, body.casebook textarea { color: var(--case-ink); border-color: var(--case-line); background: rgba(255,255,255,.78); }
body.casebook .primary, body.casebook .v23-button.primary { color: #fff; border-color: var(--case-red-dark); background: var(--case-red); box-shadow: none; }
body.casebook .ghost, body.casebook .v23-button.ghost { color: var(--case-green); border-color: var(--case-line-strong); background: rgba(255,255,255,.35); }
body.casebook .v23-footer { color: var(--case-muted); border-color: var(--case-line); background: var(--case-paper-soft); }
body.casebook .v23-footer strong { color: var(--case-ink); font-family: var(--case-serif); }

/* Public ranking */
body.v23.casebook .v23-header-actions .v23-live { color: var(--case-muted); }
body.v23.casebook .v23-header-actions .ghost { color: var(--case-green); border-color: var(--case-line); background: transparent; }
body.v23.casebook .v23-rank-hero h1 { color: var(--case-ink); font-family: var(--case-serif); letter-spacing: -.045em; }
body.v23.casebook .v23-rank-hero h1 span { color: var(--case-red); }
body.v23.casebook .v23-rank-hero p:not(.v23-eyebrow) { color: var(--case-muted); }
body.v23.casebook .v23-rank-context { color: #fff; border-color: var(--case-green-dark); border-radius: 5px; background: var(--case-green); box-shadow: none; }
body.v23.casebook .v23-rank-context > span,
body.v23.casebook .v23-rank-context small { color: rgba(255,255,255,.72); }
body.v23.casebook .v23-rank-context > div { border-color: rgba(255,255,255,.24); }
body.v23.casebook .v23-rank-context b { color: #f2d7a9; }
body.v23.casebook .v23-rank-toolbar { border-color: var(--case-line); border-radius: 5px; background: rgba(251,250,246,.82); box-shadow: var(--case-shadow); }
body.v23.casebook .v23-rank-toolbar label > span { color: var(--case-muted); }
body.v23.casebook .v23-rank-toolbar select { color: var(--case-ink); border-color: var(--case-line); border-radius: 4px; background: #fff; }
body.v23.casebook .v23-toolbar-links a { color: var(--case-green); }
body.v23.casebook .v23-toolbar-links a:hover { color: var(--case-red); }
body.v23.casebook .podium-card,
body.v23.casebook .podium-card.first,
body.v23.casebook .podium-card.second,
body.v23.casebook .podium-card.third { color: var(--case-ink); border-color: var(--case-line); border-radius: 5px; background: rgba(251,250,246,.82); box-shadow: var(--case-shadow); }
body.v23.casebook .podium-card.first { border-top: 4px solid var(--case-red); }
body.v23.casebook .podium-card.second { border-top: 4px solid #858b87; }
body.v23.casebook .podium-card.third { border-top: 4px solid var(--case-gold); }
body.v23.casebook .podium-card .team-name,
body.v23.casebook .podium-card .stat-row strong { color: var(--case-ink); }
body.v23.casebook .podium-card .team-sub,
body.v23.casebook .podium-card .stat-row span { color: var(--case-muted); }
body.v23.casebook .podium-card .stat-row { border-color: var(--case-line); }
body.v23.casebook .v23-table-panel { border-color: var(--case-line); border-radius: 5px; background: rgba(251,250,246,.82); box-shadow: var(--case-shadow); }
body.v23.casebook .v23-table-title { border-color: var(--case-line); }
body.v23.casebook .v23-table-title > span { color: var(--case-muted); }
body.v23.casebook .v23-table-panel th { color: #5d574e; background: var(--case-paper-soft); }
body.v23.casebook .v23-table-panel td { color: var(--case-ink); border-color: var(--case-line); }
body.v23.casebook .v23-table-panel tbody tr:hover { background: rgba(138,119,86,.04); }

/* Workspace light conversion */
body.casebook.workspace-page { background: var(--case-paper); color: var(--case-ink); }
body.casebook .workspace-hero { border-radius: 6px; background: rgba(251,250,246,.82); }
body.casebook .workspace-hero p:not(.v23-kicker), body.casebook .workspace-hero-status span, body.casebook .workspace-hero-status small { color: var(--case-muted); }
body.casebook .workspace-hero-status { border-color: var(--case-line); border-radius: 4px; background: var(--case-paper-soft); }
body.casebook .workspace-hero-status strong { color: var(--case-green); }
body.casebook.admin-workspace .admin-tabs { border-radius: 6px; background: rgba(251,250,246,.9); }
body.casebook.admin-workspace .admin-tabs .tab { color: var(--case-muted); border-radius: 3px; }
body.casebook.admin-workspace .admin-tabs .tab:hover { color: var(--case-ink); background: var(--case-paper-soft); }
body.casebook.admin-workspace .admin-tabs .tab.active { color: #fff; border-color: var(--case-green); background: var(--case-green); }
body.casebook.admin-workspace .admin-section { border-radius: 6px; background: rgba(251,250,246,.82); }
body.casebook.admin-workspace .admin-section > h3 { color: var(--case-ink); font-family: var(--case-serif); }
body.casebook.admin-workspace .admin-table th { color: #4f4a42; background: var(--case-paper-soft); }
body.casebook.admin-workspace .admin-form { border-color: var(--case-line); border-radius: 4px; background: rgba(245,242,235,.7); }
body.casebook.admin-workspace .admin-form input,
body.casebook.admin-workspace .admin-form select,
body.casebook.admin-workspace .admin-form textarea { color: var(--case-ink); border-color: var(--case-line); background: #fff; }
body.casebook .board-meeting-card { border-radius: 6px; background: rgba(251,250,246,.84); }
body.casebook .board-meeting-card > header h3, body.casebook .workspace-empty strong { color: var(--case-ink); }
body.casebook .board-material-summary section { border-color: var(--case-line); border-radius: 3px; background: var(--case-paper-soft); }
body.casebook .board-material-summary p { color: #5d574e; }
body.casebook .board-score-form input, body.casebook .board-score-form textarea { color: var(--case-ink); border-color: var(--case-line); background: #fff; }

/* Public classroom control board */
body.v23.casebook.v23-classroom-page .v23-shell-header {
  grid-template-columns: minmax(330px, .8fr) auto minmax(560px, 1.2fr);
  gap: 20px;
}
body.v23.casebook.v23-classroom-page .v23-brand > span:last-child { white-space: nowrap; }
body.v23.casebook.v23-classroom-page .present-meta { justify-content: center; gap: 18px; color: var(--case-muted); }
body.v23.casebook.v23-classroom-page .present-meta strong,
body.v23.casebook.v23-classroom-page .present-clock { color: var(--case-ink); }
body.v23.casebook.v23-classroom-page .present-actions { justify-self: end; gap: 7px; }
body.v23.casebook.v23-classroom-page .classroom-world-pick,
body.v23.casebook.v23-classroom-page .present-actions .ghost {
  color: var(--case-green);
  border-color: var(--case-line);
  border-radius: 4px;
  background: rgba(255,255,255,.48);
}
body.v23.casebook.v23-classroom-page .classroom-world-pick select { color: var(--case-ink); background: transparent; }
body.v23.casebook.v23-classroom-page .classroom-main {
  width: min(1680px, calc(100% - 64px));
  max-width: none;
  padding: 46px 0 64px;
}
body.v23.casebook.v23-classroom-page .v23-classroom-intro h1 { color: var(--case-ink); font-family: var(--case-serif); }
body.v23.casebook.v23-classroom-page .v23-classroom-intro p:not(.v23-eyebrow) { color: var(--case-muted); }
body.v23.casebook.v23-classroom-page .v23-classroom-legend span {
  color: var(--case-muted);
  border-color: var(--case-line);
  background: rgba(251,250,246,.55);
}
body.v23.casebook.v23-classroom-page .classroom-kpi {
  color: var(--case-ink);
  border-color: var(--case-line);
  border-radius: 5px;
  background: rgba(251,250,246,.84);
  box-shadow: var(--case-shadow);
}
body.v23.casebook.v23-classroom-page .classroom-kpi span,
body.v23.casebook.v23-classroom-page .classroom-kpi em { color: var(--case-muted); }
body.v23.casebook.v23-classroom-page .classroom-kpi.ready { border-top: 4px solid var(--case-green); }
body.v23.casebook.v23-classroom-page .classroom-kpi.partial { border-top: 4px solid var(--case-gold); }
body.v23.casebook.v23-classroom-page .classroom-kpi.empty { border-top: 4px solid #8c918e; }
body.v23.casebook.v23-classroom-page .classroom-kpi.clock { border-top: 4px solid var(--case-red); }
body.v23.casebook.v23-classroom-page .classroom-kpi.clock strong { color: var(--case-red); }
body.v23.casebook.v23-classroom-page .classroom-meta {
  color: var(--case-muted);
  border-left-color: var(--case-red);
  background: var(--case-paper-soft);
}
body.v23.casebook.v23-classroom-page .classroom-table-wrap {
  color: var(--case-ink);
  border-color: var(--case-line);
  border-radius: 5px;
  background: rgba(251,250,246,.9);
  box-shadow: var(--case-shadow);
}
body.v23.casebook.v23-classroom-page .classroom-table { color: var(--case-ink); background: transparent; }
body.v23.casebook.v23-classroom-page .classroom-table th { color: #5d574e; border-color: var(--case-line); background: var(--case-paper-soft); }
body.v23.casebook.v23-classroom-page .classroom-table td { color: var(--case-ink); border-color: var(--case-line); }
body.v23.casebook.v23-classroom-page .classroom-table tr.ready { background: rgba(47,118,85,.055); }
body.v23.casebook.v23-classroom-page .classroom-table tr.partial { background: rgba(155,122,63,.055); }
body.v23.casebook.v23-classroom-page .classroom-table tr.empty { background: transparent; opacity: 1; }

/* Remove dark dashboard ornamentation */
body.casebook .v23-showcase-hero { min-height: 540px; padding: 76px 0 60px; }
body.casebook .v23-showcase-copy h1 { color: var(--case-ink); font-family: var(--case-serif); }
body.casebook .v23-showcase-copy h1 span { color: var(--case-red); }
body.casebook .v23-lead { color: var(--case-muted); }
body.casebook .v23-hero-stage { border-color: var(--case-line); border-radius: 6px; color: var(--case-ink); background: var(--case-paper-soft); box-shadow: var(--case-shadow); }
body.casebook .v23-stage-ring { display: none; }
body.casebook .v23-stage-core { min-height: 360px; }
body.casebook .v23-stage-center,
body.casebook .v23-stage-node { color: var(--case-ink); border-color: var(--case-line); background: rgba(251,250,246,.92); box-shadow: none; }
body.casebook .v23-stage-center strong, body.casebook .v23-stage-node b { color: var(--case-ink); font-family: var(--case-serif); }
body.casebook .v23-stage-center span, body.casebook .v23-stage-node span { color: var(--case-muted); }
body.casebook .v23-stage-top, body.casebook .v23-stage-foot { color: var(--case-muted); border-color: var(--case-line); background: rgba(251,250,246,.6); }
body.casebook .v23-showcase-strip { border-color: var(--case-line); background: rgba(251,250,246,.7); }

@media (max-width: 1180px) {
  body.casebook .v23-shell-header { grid-template-columns: auto 1fr auto; padding-inline: 24px; }
  body.casebook .v23-primary-nav a { min-width: auto; padding-inline: 16px; }
  body.casebook .v23-brand small { display: none; }
  .casebook-role-gateway { grid-template-columns: 1fr; gap: 16px; }
  .casebook-access-main { height: auto; grid-template-columns: 1fr; }
  .casebook-access-form-panel { border-right: 0; border-bottom: 1px solid var(--case-line); }
}

@media (max-width: 760px) {
  body.casebook .v23-shell-header { min-height: 68px; grid-template-columns: 1fr auto; padding-inline: 16px; }
  body.casebook .v23-brand-mark { width: 40px; height: 40px; font-size: 20px; }
  body.casebook .v23-brand strong { font-size: 18px; }
  body.casebook .v23-primary-nav { display: none; }
  body.casebook .v23-header-link, body.casebook .v23-header-cta { padding: 9px 10px; font-size: 12px; }
  .casebook-role-gateway { padding: 18px 16px; }
  .casebook-role-tabs { grid-template-columns: 1fr; }
  .casebook-role-tab { min-height: 62px; border-right: 0; border-bottom: 1px solid var(--case-line); }
  .casebook-role-tab:last-child { border-bottom: 0; }
  .casebook-access-main { min-height: 0; }
  .casebook-access-form-panel, .casebook-brief { padding: 32px 18px; }
  .casebook-access-form-panel h2 { font-size: 31px; }
  .casebook-access-form-panel .access-form label,
  .casebook-access-form-panel .single-column label,
  .casebook-form-row { min-height: 104px; grid-template-columns: 52px 1fr; }
  .casebook-access-form-panel .field-number { grid-row: 1 / 3; font-size: 25px; }
  .casebook-access-form-panel input,
  .casebook-access-form-panel select { grid-column: 2; }
  .casebook-field-pair { grid-column: 2; grid-template-columns: 1fr; }
  .casebook-access-form-panel .access-permission-note { margin-left: 0; }
  .casebook-brief h2 { font-size: 29px; }
  .casebook-brief-facts { grid-template-columns: 1fr; }
  .casebook-brief-facts div { padding: 12px 0; border-right: 0; border-bottom: 1px solid var(--case-line); }
  .casebook-brief-facts div:last-child { border-bottom: 0; }
  .casebook-stage-strip { padding: 22px 16px; }
  .casebook-stage-strip > div { grid-template-columns: 1fr; }
  .casebook-stage-strip article { border-right: 0; border-bottom: 1px solid var(--case-line); }
  .casebook-stage-strip article:last-child { border-bottom: 0; }
}

/* ========================================================================== */
/* 2026 product system — warm ivory / graphite / cobalt / champagne          */
/* Approved reference: boyu-brand-ui-systems/assets/warroom-approved.png      */
/* ========================================================================== */
body.casebook {
  --case-paper: #fbfaf7;
  --case-paper-strong: rgba(255, 255, 255, .84);
  --case-paper-soft: #f2eee7;
  --case-ink: #161713;
  --case-muted: #706f69;
  --case-line: rgba(43, 39, 31, .13);
  --case-red: #2d6cf3;
  --case-green: #1c7156;
  --case-gold: #c69138;
  --case-shadow: 0 24px 70px rgba(83, 69, 46, .11);
  color: var(--case-ink);
  background:
    radial-gradient(circle at 92% 8%, rgba(53, 110, 240, .07), transparent 25rem),
    radial-gradient(circle at 5% 48%, rgba(221, 165, 71, .07), transparent 28rem),
    var(--case-paper);
  overflow-x: clip;
}

body.casebook *, body.casebook *::before, body.casebook *::after { box-sizing: border-box; }
body.casebook main, body.casebook section, body.casebook article, body.casebook form,
body.casebook table, body.casebook nav, body.casebook div { min-width: 0; }
body.casebook p, body.casebook li, body.casebook small, body.casebook td,
body.casebook th, body.casebook label { overflow-wrap: anywhere; }
body.casebook .bg-grid { opacity: .22; background-size: 64px 64px; mask-image: linear-gradient(to bottom, black, transparent 72%); }

body.casebook .v23-shell-header {
  min-height: 76px;
  padding: 0 clamp(24px, 3.2vw, 64px);
  border-bottom: 1px solid var(--case-line);
  background: rgba(252, 251, 248, .78);
  backdrop-filter: blur(22px) saturate(1.25);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  box-shadow: 0 8px 30px rgba(83, 69, 46, .05);
}
body.casebook .v23-brand { gap: 13px; color: var(--case-ink); }
body.casebook .v23-brand-mark {
  width: 44px; height: 44px; border: 1px solid rgba(31, 33, 29, .14); border-radius: 14px;
  color: #fff; background: #171814; box-shadow: inset 0 0 0 4px rgba(255,255,255,.1), 0 9px 26px rgba(34, 35, 31, .14);
}
body.casebook .v23-brand strong { font-family: var(--case-serif); font-size: 22px; letter-spacing: -.03em; }
body.casebook .v23-brand small { color: var(--case-muted); font-size: 11px; letter-spacing: .02em; }
body.casebook .v23-primary-nav { height: 76px; gap: 4px; }
body.casebook .v23-primary-nav a {
  min-width: 110px; border-bottom: 2px solid transparent; padding: 0 20px;
  border-left: 0; border-right: 0;
  color: #5f605b; font-size: 13px; font-weight: 720;
}
body.casebook .v23-primary-nav a:last-child { border-right: 0; }
body.casebook .v23-primary-nav a:hover, body.casebook .v23-primary-nav a.active { color: #11120f; background: transparent; border-bottom-color: #2d6cf3; }
body.casebook .v23-primary-nav a.active::after { left: 24px; right: 24px; height: 2px; background: #2d6cf3; }
body.casebook .v23-header-cta, body.casebook .v23-header-link {
  border: 1px solid var(--case-line); border-radius: 999px; padding: 11px 18px;
  color: var(--case-ink); background: rgba(255,255,255,.62); box-shadow: none;
}
body.casebook .v23-header-cta:hover, body.casebook .v23-header-link:hover { color: #fff; background: #171814; transform: translateY(-1px); }

body.casebook .v23-showcase-main { width: 100%; }
body.casebook .v23-showcase-hero {
  width: min(1560px, calc(100% - clamp(48px, 6vw, 112px)));
  min-height: 690px; margin: 0 auto; padding: clamp(58px, 7vh, 94px) 0 48px;
  display: grid; grid-template-columns: minmax(440px, .92fr) minmax(560px, 1.08fr); align-items: center; gap: clamp(44px, 5vw, 92px);
}
body.casebook .v23-showcase-copy { max-width: 680px; }
body.casebook .v23-eyebrow, body.casebook .v23-kicker { color: #2d6cf3; font-size: 11px; font-weight: 830; letter-spacing: .15em; text-transform: uppercase; }
body.casebook .v23-showcase-copy h1 {
  max-width: 760px; margin: 20px 0 22px; font-size: clamp(56px, 5.1vw, 84px); font-weight: 580;
  line-height: 1.04; letter-spacing: -.055em; text-wrap: balance;
}
body.casebook .v23-showcase-copy h1 span { color: #2d6cf3; }
body.casebook .v23-lead { max-width: 640px; margin: 0; color: #666762; font-size: 16px; line-height: 1.9; }
body.casebook .v23-hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
body.casebook .v23-button { min-height: 50px; border-radius: 999px; padding: 0 24px; font-size: 13px; font-weight: 760; }
body.casebook .v23-button.primary { border-color: #171814; color: #fff; background: #171814; box-shadow: 0 14px 30px rgba(23,24,20,.17); }
body.casebook .v23-button.primary:hover { background: #2d6cf3; border-color: #2d6cf3; transform: translateY(-2px); }
body.casebook .v23-button.ghost { color: #3c3d39; border-color: var(--case-line); background: rgba(255,255,255,.66); }
body.casebook .v23-proof-row { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 9px; }
body.casebook .v23-proof-row span { min-height: 38px; border: 1px solid var(--case-line); border-radius: 999px; padding: 0 14px; display: inline-flex; align-items: center; gap: 6px; color: #6a6a65; background: rgba(255,255,255,.52); font-size: 11px; }
body.casebook .v23-proof-row b { color: #171814; font-family: var(--case-serif); font-size: 17px; }

body.casebook .v23-hero-stage.v23-orbit-stage {
  min-height: 590px; border: 1px solid rgba(63, 59, 50, .10); border-radius: 34px;
  position: relative; overflow: hidden; background: rgba(255,255,255,.44); box-shadow: 0 38px 90px rgba(83,69,46,.14);
}
body.casebook .v23-orbit-stage > img { width: 100%; height: 100%; min-height: 590px; display: block; object-fit: cover; object-position: center; }
body.casebook .v23-orbit-stage::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to top, rgba(250,248,243,.72), transparent 46%); }
body.casebook .v23-orbit-stage figcaption {
  width: calc(100% - 44px); min-height: 126px; margin: 0; border: 1px solid rgba(255,255,255,.82); border-radius: 22px; padding: 20px 22px;
  display: grid; grid-template-columns: minmax(190px, 1fr) minmax(300px, 1.25fr) auto; align-items: center; gap: 20px;
  position: absolute; left: 22px; bottom: 22px; z-index: 2; color: #252621;
  background: rgba(255,255,255,.76); backdrop-filter: blur(22px) saturate(1.2); -webkit-backdrop-filter: blur(22px) saturate(1.2);
  box-shadow: 0 18px 46px rgba(59,49,35,.13);
}
body.casebook .v23-orbit-stage figcaption > div { display: grid; gap: 3px; }
body.casebook .v23-orbit-stage figcaption span { color: #2d6cf3; font-size: 10px; font-weight: 820; }
body.casebook .v23-orbit-stage figcaption strong { font-family: var(--case-serif); font-size: 22px; }
body.casebook .v23-orbit-stage figcaption small { color: var(--case-muted); font-size: 10px; }
body.casebook .v23-orbit-stage dl { margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
body.casebook .v23-orbit-stage dl div { border-left: 1px solid var(--case-line); padding-left: 14px; }
body.casebook .v23-orbit-stage dt { color: var(--case-muted); font-size: 9px; }
body.casebook .v23-orbit-stage dd { margin: 5px 0 0; font-family: var(--case-serif); font-size: 20px; }
body.casebook .v23-orbit-stage figcaption > a { min-height: 40px; border-radius: 999px; padding: 0 14px; display: inline-flex; align-items: center; color: #fff; background: #2d6cf3; font-size: 11px; font-weight: 760; white-space: nowrap; }

body.casebook .v23-showcase-strip,
body.casebook .v23-showcase-section,
body.casebook .v23-role-section,
body.casebook .v23-final-cta {
  width: min(1560px, calc(100% - clamp(48px, 6vw, 112px))); margin-inline: auto;
}
body.casebook .v23-showcase-strip { margin-top: 0; border: 1px solid var(--case-line); border-radius: 24px; background: rgba(255,255,255,.62); backdrop-filter: blur(18px); box-shadow: var(--case-shadow); overflow: hidden; }
body.casebook .v23-showcase-strip article { padding: 26px 28px; }
body.casebook .v23-showcase-strip article > span { color: #2d6cf3; font-family: var(--case-serif); font-size: 24px; }
body.casebook .v23-showcase-section, body.casebook .v23-role-section { padding-block: clamp(76px, 9vw, 132px); }
body.casebook .v23-section-heading h2, body.casebook .v23-role-copy h2, body.casebook .v23-final-cta h2 { font-family: var(--case-serif); font-weight: 600; letter-spacing: -.04em; }
body.casebook .v23-journey-grid, body.casebook .v23-delivery-grid, body.casebook .v23-role-board { gap: 14px; }
body.casebook .v23-journey-grid article, body.casebook .v23-delivery-grid article, body.casebook .v23-role-board article {
  border: 1px solid var(--case-line); border-radius: 22px; background: rgba(255,255,255,.68); backdrop-filter: blur(16px); box-shadow: 0 16px 48px rgba(83,69,46,.07);
}
body.casebook .v23-journey-grid article:hover, body.casebook .v23-delivery-grid article:hover { transform: translateY(-5px); border-color: rgba(45,108,243,.3); box-shadow: 0 24px 58px rgba(83,69,46,.11); }
body.casebook .v23-role-section {
  width: min(1560px, calc(100% - clamp(48px, 6vw, 112px)));
  max-width: 1560px;
  margin-top: clamp(72px, 8vw, 116px);
  padding: clamp(44px, 4vw, 70px);
  color: var(--case-ink);
  border: 1px solid rgba(54, 67, 76, .12);
  border-radius: 32px;
  background: rgba(255, 255, 255, .58);
  box-shadow: 0 30px 82px rgba(87, 76, 57, .10);
  backdrop-filter: blur(24px) saturate(1.08);
  -webkit-backdrop-filter: blur(24px) saturate(1.08);
}
body.casebook .v23-role-copy { padding: 18px 10px; }
body.casebook .v23-role-copy h2 { margin-top: 18px; color: #20231f; }
body.casebook .v23-role-copy p,
body.casebook .v23-role-board p,
body.casebook .v23-role-board li { color: #656a66; }
body.casebook .v23-role-copy a {
  min-height: 44px;
  margin-top: 28px;
  border: 1px solid rgba(43, 93, 158, .22);
  border-radius: 999px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  color: #214f86;
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 12px 30px rgba(44, 77, 108, .08);
}
body.casebook .v23-role-copy a:hover { color: #fff; border-color: #2d6cf3; background: #2d6cf3; transform: translateY(-2px); }
body.casebook .v23-role-board article {
  min-height: 166px;
  border-color: rgba(63, 78, 88, .14);
  color: var(--case-ink);
  background: rgba(251, 250, 246, .78);
  box-shadow: 0 14px 38px rgba(79, 68, 50, .065);
}
body.casebook .v23-role-board article:hover { border-color: rgba(45, 108, 243, .28); background: rgba(255, 255, 255, .88); transform: translateX(4px); }
body.casebook .v23-role-board article.student { background: rgba(231, 240, 251, .82); border-color: rgba(45,108,243,.24); }
body.casebook .v23-role-board article > span { color: #a4672f; border-color: rgba(164, 103, 47, .25); background: rgba(255, 250, 241, .72); }
body.casebook .v23-role-board article.student > span { color: #2d6cf3; border-color: rgba(45,108,243,.25); background: rgba(255,255,255,.72); }
body.casebook .v23-role-board h3 { color: #242722; font-family: var(--case-serif); font-size: 20px; }
body.casebook .v23-role-board li::before { color: #2d6cf3; }
body.casebook .v23-final-cta { margin-bottom: 72px; border: 1px solid var(--case-line); border-radius: 28px; padding: 48px; background: rgba(255,255,255,.7); box-shadow: var(--case-shadow); }
body.casebook .v23-footer { min-height: 90px; border-top: 1px solid var(--case-line); padding-inline: clamp(24px, 4vw, 72px); color: #676862; background: rgba(255,255,255,.66); }
body.casebook .v23-footer strong { color: #171814; font-family: var(--case-serif); }
body.casebook .v23-footer a { color: #2d6cf3; }

/* Unified entry and interior workspaces */
body.casebook .casebook-role-gateway, body.casebook .casebook-access-shell,
body.casebook .home-shell, body.casebook .workspace-shell,
body.casebook .classroom-shell, body.casebook .teacher-shell {
  width: min(1560px, calc(100% - clamp(40px, 5vw, 96px))); margin-inline: auto;
}
body.casebook .casebook-role-gateway, body.casebook .casebook-access-main,
body.casebook .casebook-stage-strip, body.casebook .panel, body.casebook .team-panel,
body.casebook .module-card, body.casebook .workspace-card, body.casebook .classroom-table-wrap {
  border-color: var(--case-line); border-radius: 20px; background: rgba(255,255,255,.72); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); box-shadow: 0 16px 50px rgba(83,69,46,.075);
}
body.casebook .casebook-role-tab { border-color: var(--case-line); background: transparent; }
body.casebook .casebook-role-tab.active, body.casebook .casebook-role-tab:hover { color: #fff; background: #171814; }
body.casebook .casebook-access-form-panel h2, body.casebook .casebook-brief h2,
body.casebook .home-hero h1, body.casebook .workspace-title, body.casebook .classroom-title { font-family: var(--case-serif); letter-spacing: -.035em; }
body.casebook input, body.casebook select, body.casebook textarea {
  max-width: 100%; border: 1px solid rgba(43,39,31,.16); border-radius: 12px; color: #1d1e1a; background: rgba(255,255,255,.78); outline: none;
}
body.casebook input:focus, body.casebook select:focus, body.casebook textarea:focus { border-color: #2d6cf3; box-shadow: 0 0 0 4px rgba(45,108,243,.11); }
body.casebook button.primary, body.casebook .primary-button, body.casebook .access-submit,
body.casebook .casebook-access-form-panel button[type="submit"] { border-radius: 12px; color: #fff; background: #171814; box-shadow: 0 12px 28px rgba(23,24,20,.14); }
body.casebook button.primary:hover, body.casebook .primary-button:hover, body.casebook .access-submit:hover { background: #2d6cf3; }
body.casebook table { width: 100%; border-collapse: separate; border-spacing: 0; }
body.casebook th { color: #63645f; background: rgba(243,240,234,.82); }
body.casebook td, body.casebook th { border-color: var(--case-line); }

@media (max-width: 1280px) {
  body.casebook .v23-showcase-hero { grid-template-columns: minmax(360px, .9fr) minmax(520px, 1.1fr); gap: 36px; }
  body.casebook .v23-showcase-copy h1 { font-size: clamp(52px, 5vw, 68px); }
  body.casebook .v23-orbit-stage figcaption { grid-template-columns: 1fr 1.35fr; }
  body.casebook .v23-orbit-stage figcaption > a { display: none; }
}
@media (max-width: 980px) {
  body.casebook .v23-showcase-hero { min-height: 0; grid-template-columns: 1fr; }
  body.casebook .v23-showcase-copy { max-width: 760px; }
  body.casebook .v23-hero-stage.v23-orbit-stage, body.casebook .v23-orbit-stage > img { min-height: 500px; }
  body.casebook .v23-showcase-strip, body.casebook .v23-final-cta { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  body.casebook .v23-showcase-hero, body.casebook .v23-showcase-strip,
  body.casebook .v23-showcase-section, body.casebook .v23-final-cta,
  body.casebook .casebook-role-gateway, body.casebook .casebook-access-shell,
  body.casebook .home-shell, body.casebook .workspace-shell,
  body.casebook .classroom-shell, body.casebook .teacher-shell { width: calc(100% - 28px); }
  body.casebook .v23-showcase-copy h1 { font-size: clamp(42px, 12vw, 56px); }
  body.casebook .v23-lead { font-size: 14px; }
  body.casebook .v23-hero-stage.v23-orbit-stage, body.casebook .v23-orbit-stage > img { min-height: 410px; }
  body.casebook .v23-orbit-stage figcaption { width: calc(100% - 24px); left: 12px; bottom: 12px; grid-template-columns: 1fr; padding: 16px; }
  body.casebook .v23-orbit-stage dl { display: none; }
  body.casebook .v23-final-cta { padding: 30px 22px; }
  body.casebook .v23-role-section { width: calc(100% - 28px); padding: 30px 20px; border-radius: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  body.casebook *, body.casebook *::before, body.casebook *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}