/* =========================================================
   SOWOOJU CLASSBOARD V4 — HIGGSFIELD MATCH
   Source of truth: Figma page "Classboard V4 - HF Match"
   ========================================================= */

:root{
  --cb4-bg:#f7f4eb;
  --cb4-paper:#ffffff;
  --cb4-ink:#0d2235;
  --cb4-ink-2:#18354b;
  --cb4-nav:#0a2235;
  --cb4-nav-2:#12344a;
  --cb4-green:#159b72;
  --cb4-green-2:#0d795a;
  --cb4-green-soft:#e4f4ec;
  --cb4-coral:#d85e50;
  --cb4-coral-soft:#fff0eb;
  --cb4-blue-soft:#eef6ff;
  --cb4-lilac:#f4eeff;
  --cb4-yellow:#fff7d9;
  --cb4-line:#dfe5e1;
  --cb4-muted:#71808b;
  --cb4-shadow:0 14px 34px rgba(13,34,53,.08);
}

body:has(.cb4-admin),
body:has(.cb4-teacher),
body:has(.cb4-student){background:var(--cb4-bg);color:var(--cb4-ink)}

/* ---------- ADMIN / HF MATCH ---------- */
#classboardAdmin.cb4-admin{min-height:100vh;background:var(--cb4-bg)}
.cb4-admin-layout{
  min-height:100vh;display:grid;grid-template-columns:220px minmax(0,1fr);
}
.cb4-admin-sidebar{
  position:sticky;top:0;height:100vh;padding:24px 18px;
  display:flex;flex-direction:column;gap:26px;
  background:var(--cb4-nav);color:#fff;
}
.cb4-admin-brand{display:flex;align-items:center;gap:10px;padding:0 7px}
.cb4-admin-brand img{width:30px;height:30px;object-fit:contain;filter:brightness(0) invert(1)}
.cb4-admin-brand strong{font-size:14px;letter-spacing:-.03em;white-space:nowrap}
.cb4-admin-sidebar nav{display:grid;gap:6px}
.cb4-admin-sidebar nav a{
  min-height:42px;padding:0 12px;display:flex;align-items:center;gap:10px;
  border-radius:10px;color:#aebec7;text-decoration:none;font-size:12px;font-weight:750;
  transition:.16s ease;
}
.cb4-admin-sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.cb4-admin-sidebar nav a.active{background:var(--cb4-green);color:#fff}
.cb4-admin-sidebar nav a.active .cb-icon{color:#fff}
.cb4-admin-sidebar nav .cb-icon{color:#91a4ae}
.cb4-admin-sidebar-foot{margin-top:auto;padding:12px 7px 0;color:#8ea2ad}
.cb4-orbit-mark{
  width:72px;height:72px;margin-bottom:12px;display:grid;place-items:center;
  border-radius:50%;background:#16364c;color:#dff7ed;font-size:24px
}
.cb4-admin-sidebar-foot p{margin:0;font-size:10px;line-height:1.6}

.cb4-admin-main{
  min-width:0;padding:22px 26px 72px;display:flex;flex-direction:column;gap:22px;
}
.cb4-admin-top{min-height:46px;display:flex;align-items:center;gap:12px}
.cb4-top-search{position:relative;width:min(440px,44vw);max-width:none}
.cb4-top-search .cb-search-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  z-index:1;display:flex;color:#849199
}
.cb4-top-search input{
  width:100%;height:42px;padding:0 14px 0 40px;border:1px solid var(--cb4-line);
  border-radius:12px;background:#fff;font:inherit;font-size:12px;color:var(--cb4-ink);
  box-sizing:border-box;
}
.cb4-top-search input:focus{outline:3px solid rgba(21,155,114,.10);border-color:#8ccab5}
.cb4-admin-user{font-size:11px;font-weight:800;color:var(--cb4-muted);white-space:nowrap}
.cb4-admin-top .cb-new-board{
  min-height:42px;padding:0 14px;display:inline-flex;align-items:center;gap:7px;
  border-radius:11px;background:var(--cb4-green)!important;border-color:var(--cb4-green)!important;color:#fff!important;
  box-shadow:none!important;font-size:11px;font-weight:850
}

.cb4-admin-kpis{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;
}
.cb4-admin-kpis article{
  min-height:104px;padding:15px 16px;display:grid;grid-template-columns:1fr auto;
  grid-template-areas:"label small" "value small";align-items:end;
  border:1px solid var(--cb4-line);border-radius:16px;background:#fff
}
.cb4-admin-kpis span{grid-area:label;font-size:11px;font-weight:750;color:var(--cb4-muted)}
.cb4-admin-kpis strong{grid-area:value;margin-top:7px;font-size:29px;line-height:1;color:var(--cb4-ink);letter-spacing:-.05em}
.cb4-admin-kpis small{
  grid-area:small;align-self:center;padding:5px 8px;border-radius:999px;background:var(--cb4-green-soft);
  color:var(--cb4-green-2);font-size:9px;font-weight:800
}
.cb4-admin-kpis article:nth-child(3) small{background:var(--cb4-coral-soft);color:var(--cb4-coral)}

.cb4-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:11px}
.cb4-section-head h2{margin:0;font-size:17px;letter-spacing:-.04em;color:var(--cb4-ink)}
.cb4-section-head p{margin:4px 0 0;color:var(--cb4-muted);font-size:10px}
.cb4-section-head>span{font-size:10px;color:var(--cb4-muted)}
.cb4-recommend-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.cb4-recommend-card{
  min-height:154px;padding:0 0 12px;display:flex;flex-direction:column;text-align:left;overflow:hidden;
  border:1px solid var(--cb4-line);border-radius:16px;background:#fff;color:var(--cb4-ink);
  cursor:pointer;transition:.16s ease
}
.cb4-recommend-card:hover{transform:translateY(-2px);box-shadow:var(--cb4-shadow)}
.cb4-recommend-visual{
  height:94px;margin-bottom:10px;padding:12px;display:block;overflow:hidden;background:#0b344c
}
.cb4-recommend-card.tone-1 .cb4-recommend-visual{background:#dfeede}
.cb4-recommend-card.tone-2 .cb4-recommend-visual{background:#f1d8c4}
.cb4-recommend-card b,.cb4-recommend-card small{padding:0 12px}
.cb4-recommend-card b{font-size:12px}
.cb4-recommend-card small{margin-top:3px;color:var(--cb4-muted);font-size:9px}
.cb4-recommend-card .cb-template-preview{
  height:100%;padding:7px;border:0;border-radius:10px;background:rgba(255,255,255,.16)
}
.cb4-recommend-card .cb-template-preview i{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.72)}
.cb4-recommend-card.tone-1 .cb-template-preview,
.cb4-recommend-card.tone-2 .cb-template-preview{background:rgba(255,255,255,.35)}
.cb4-recommend-card.tone-1 .cb-template-preview i,
.cb4-recommend-card.tone-2 .cb-template-preview i{border-color:rgba(13,34,53,.07);background:rgba(255,255,255,.75)}

.cb4-recent .cb-board-tools{
  margin:0 0 12px;padding:0;border:0;background:transparent;align-items:center
}
.cb4-recent .cb-board-search{display:none}
.cb4-recent .cb-board-filter{
  display:flex;gap:3px;padding:4px;border-radius:11px;background:#eceeea
}
.cb4-recent .cb-board-filter .cb-btn{
  min-height:31px;padding:0 10px;border:0;border-radius:8px;background:transparent;font-size:10px;color:#6f7c83
}
.cb4-recent .cb-board-filter .cb-btn.selected{background:#fff;color:var(--cb4-ink);box-shadow:0 1px 3px rgba(13,34,53,.08)}
.cb4-recent-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.cb4-recent .cb3-board-card{
  min-height:145px;padding:13px;display:flex;flex-direction:column;gap:8px;
  border:1px solid var(--cb4-line);border-radius:16px;background:#fff;box-shadow:none;overflow:visible
}
.cb4-recent .cb3-board-card:hover{transform:translateY(-2px);border-color:#cfd8d3;box-shadow:var(--cb4-shadow)}
.cb4-recent .cb3-board-card.live:before{display:none}
.cb4-recent .cb3-board-card .cb-recent-main{min-width:0}
.cb4-recent .cb3-board-card h3{margin:8px 0 4px;font-size:14px;letter-spacing:-.035em}
.cb4-recent .cb3-board-card .cb-meta{font-size:9px}
.cb4-recent .cb-card-bottom-meta{margin-top:7px;font-size:9px}
.cb4-recent .cb-card-code{margin-top:auto;display:flex;align-items:center;gap:6px}
.cb4-recent .cb-card-code span{font-size:8px}
.cb4-recent .cb-card-code strong{font-size:10px}
.cb4-recent .cb-card-actions{display:flex;gap:6px}
.cb4-recent .cb-card-primary{
  flex:1;min-height:34px;justify-content:center;border-radius:8px;
  background:var(--cb4-green-soft);border-color:transparent;color:var(--cb4-green-2);font-size:10px
}
.cb4-recent .cb-card-primary.live{background:var(--cb4-green);border-color:var(--cb4-green);color:#fff}
.cb4-recent .cb-icon-button{width:34px;min-width:34px;height:34px;border-radius:8px}
.cb4-recent .cb-overflow-menu{top:39px}
.cb4-all-boards{margin-top:12px}
.cb4-all-boards>summary{
  width:max-content;margin-left:auto;color:var(--cb4-green-2);font-size:10px;font-weight:800;cursor:pointer
}
.cb4-recent-grid-all{margin-top:12px}

/* ---------- TEACHER / HF MATCH ---------- */
#classboardTeacher.cb4-teacher{
  max-width:none;min-height:100vh;padding:0 30px 70px;background:#fff
}
.cb4-teacher-header{
  min-height:64px;margin:0 -30px 24px;padding:0 30px;display:flex;align-items:center;gap:12px;
  background:var(--cb4-nav);color:#fff
}
.cb4-teacher-brand{display:flex;align-items:center;gap:9px}
.cb4-teacher-brand .cb-logo{width:27px;height:27px;filter:brightness(0) invert(1)}
.cb4-teacher-brand strong{font-size:13px}
.cb4-teacher-live-meta{display:flex;align-items:center;gap:8px}
.cb4-teacher-live-meta .cb-teacher-status,
.cb4-teacher-live-meta .cb-teacher-stat{
  min-height:26px;padding:0 8px;display:inline-flex;align-items:center;gap:4px;
  border:0;border-radius:999px;background:rgba(255,255,255,.08);color:#c6d5dc;font-size:9px
}
.cb4-teacher-live-meta .cb-teacher-status[data-state="live"]{background:var(--cb4-coral);color:#fff}
.cb4-teacher-live-meta .cb-meta{color:#a9bcc5;font-size:9px}
.cb4-teacher-header .cb-tool-primary{
  min-height:38px;padding:0 12px;border:0;border-radius:10px;background:var(--cb4-coral)!important;color:#fff!important
}

.cb4-teacher-stage{
  position:relative;min-height:430px;margin:0 auto 20px;padding:34px 40px 32px;
  display:flex;flex-direction:column;justify-content:center;overflow:hidden;
  border:0!important;border-radius:22px!important;
  background:linear-gradient(135deg,#082b45 0%,#0b4350 55%,#0c5a52 100%)!important;
  box-shadow:none!important;color:#fff
}
.cb4-teacher-stage:before,
.cb4-teacher-stage:after{
  content:"";position:absolute;border-radius:50%;background:rgba(72,204,177,.55)
}
.cb4-teacher-stage:before{width:5px;height:5px;left:54px;top:47px}
.cb4-teacher-stage:after{width:3px;height:3px;right:120px;top:80px}
.cb4-stage-boardcopy{position:relative;z-index:1;text-align:center}
.cb4-stage-boardcopy .cb-eyebrow{color:#83d5c1}
.cb4-stage-boardcopy h1{
  margin:0 0 9px!important;color:#fff!important;font-size:17px!important;letter-spacing:-.03em!important
}
.cb4-stage-boardcopy .cb-meta{margin-top:9px;color:#9fbdc2}
.cb4-stage-boardcopy #teacherQuestion.cb-question{
  max-width:720px;min-height:0!important;margin:0 auto!important;padding:0!important;
  border:0!important;background:transparent!important;color:#fff!important;
  font-size:31px!important;line-height:1.28!important;font-weight:850;text-align:center
}
.cb4-stage-boardcopy #teacherQuestion.cb-question:before{display:none}
.cb4-stage-rocket{position:absolute;left:30px;bottom:22px;font-size:44px;filter:drop-shadow(0 8px 15px rgba(0,0,0,.18))}
.cb4-teacher-stage #teacherActivity{
  position:relative;z-index:2;margin:20px auto 0;width:min(820px,100%)
}
.cb4-teacher-stage #teacherActivity:empty{display:none}
.cb4-teacher-stage .cb-activity-wrap{margin:0;padding:0}
.cb4-teacher-stage .cb-activity-card,
.cb4-teacher-stage .cb-quiz-game-card{
  padding:0;border:0!important;background:transparent!important;box-shadow:none!important;color:#fff
}
.cb4-teacher-stage .cb-activity-head{justify-content:center;text-align:center}
.cb4-teacher-stage .cb-activity-head h2,
.cb4-teacher-stage .cb-quiz-question{color:#fff!important;font-size:27px!important}
.cb4-teacher-stage .cb-activity-head>span{color:#b7d8d2}
.cb4-teacher-stage .cb-quiz-progress{color:#c6e0dd}
.cb4-teacher-stage .cb-quiz-progress>b{background:var(--cb4-coral)!important;color:#fff}
.cb4-teacher-stage .cb-activity-options,
.cb4-teacher-stage .cb-quiz-options{
  display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px!important
}
.cb4-teacher-stage .cb-activity-option,
.cb4-teacher-stage .cb-quiz-option{
  min-height:100px;padding:14px!important;border:1px solid rgba(255,255,255,.12)!important;
  border-radius:15px!important;background:#fff!important;color:var(--cb4-ink)!important;
  justify-content:center;text-align:center;font-size:17px;font-weight:850
}
.cb4-teacher-stage .cb-activity-results{background:rgba(255,255,255,.06);border-radius:14px;padding:12px}
.cb4-teacher-stage .cb-activity-results>div{color:#fff}
.cb4-teacher-stage .cb-activity-results span,
.cb4-teacher-stage .cb-activity-results b{color:#fff}
.cb4-teacher-stage .cb-actions{justify-content:center}
.cb4-teacher-stage .cb-actions .cb-btn{background:#fff;color:var(--cb4-ink);border:0}
.cb4-teacher-stage .cb-actions .cb-btn.primary{background:var(--cb4-coral);color:#fff}

.cb4-teacher-actions{
  max-width:1220px;margin:0 auto 18px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px
}
.cb4-action-card{
  min-height:112px;padding:17px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  border:0;border-radius:14px;background:var(--cb4-green-soft);color:var(--cb4-green-2);
  font:inherit;cursor:pointer
}
.cb4-action-card.primary{background:var(--cb4-green);color:#fff}
.cb4-action-card strong{font-size:13px}
.cb4-action-card small{font-size:9px;color:var(--cb4-muted)}
.cb4-action-card.primary small{color:#d9f2e9}
.cb4-action-card:hover{transform:translateY(-1px);filter:saturate(1.05)}
.cb4-teacher-tools{
  max-width:1220px;margin:0 auto 22px!important;display:flex;justify-content:flex-end
}
.cb4-teacher-tools .cb-teacher-utility{margin:0;gap:6px}
.cb4-teacher-tools .cb-btn,.cb4-teacher-tools .cb-icon-button{
  min-height:34px;background:#f3f6f4!important;border-color:transparent!important;color:#52626c!important;font-size:10px
}
#classboardTeacher.cb4-teacher #teacherMaterials,
#classboardTeacher.cb4-teacher .cb-teacher-feed{max-width:1220px;margin-left:auto;margin-right:auto}
#classboardTeacher.cb4-teacher .cb-teacher-feed{margin-top:28px}

/* ---------- STUDENT / HF MATCH ---------- */
body.cb-public:has(#classboardStudent.cb4-student){background:#ece8dd}
#classboardStudent.cb4-student{
  position:relative;max-width:390px;min-height:100vh;margin:0 auto;padding:0 18px 108px;
  background:var(--cb4-bg);border-left:1px solid var(--cb4-line);border-right:1px solid var(--cb4-line)
}
.cb4-student-header{
  min-height:54px;margin:0 -18px;padding:0 18px;display:flex;align-items:center;gap:9px;
  border-bottom:1px solid rgba(13,34,53,.05);background:rgba(247,244,235,.95)
}
.cb4-student-brand{display:flex;align-items:center;gap:7px}
.cb4-student-brand .cb-logo{width:22px;height:22px}
.cb4-student-brand strong{font-size:11px}
.cb4-student-header .cb-code{font-size:9px}
.cb4-student-more{font-size:18px;font-weight:800}
.cb4-student-meta{padding:13px 2px 8px}
.cb4-student-meta .cb-kicker{color:var(--cb4-green-2);font-size:9px}
.cb4-student-meta h1{margin:4px 0 5px;font-size:22px;line-height:1.2;letter-spacing:-.045em}
.cb4-student-meta p{margin:0;color:var(--cb4-muted);font-size:9px}
.cb4-student-fallback{margin:10px 0 18px}
.cb4-student.cb4-has-quiz .cb4-student-fallback{display:none!important}

#classboardStudent.cb4-student #activity{margin-top:8px}
#classboardStudent.cb4-student .cb-activity-wrap{margin:0 0 18px;padding:0}
#classboardStudent.cb4-student .cb-quiz-game-card{
  padding:0;border:0;background:transparent;box-shadow:none
}
#classboardStudent.cb4-student .cb-activity-head{
  margin-bottom:8px;align-items:center
}
#classboardStudent.cb4-student .cb-activity-head .cb-kicker{display:none}
#classboardStudent.cb4-student .cb-activity-head h2{
  margin:0;color:var(--cb4-muted);font-size:9px;font-weight:750
}
#classboardStudent.cb4-student .cb-activity-head>span{
  padding:5px 9px;border-radius:999px;background:var(--cb4-coral-soft);color:var(--cb4-coral);font-size:9px;font-weight:800
}
#classboardStudent.cb4-student .cb-quiz-progress{
  margin-bottom:8px;display:flex;align-items:center;gap:7px;color:var(--cb4-muted);font-size:9px
}
#classboardStudent.cb4-student .cb-quiz-progress>b{
  padding:5px 8px;border-radius:999px;background:var(--cb4-coral-soft);color:var(--cb4-coral)
}
#classboardStudent.cb4-student .cb-quiz-progress .cb-quiz-timer{margin-left:auto;color:var(--cb4-coral);font-size:11px}
#classboardStudent.cb4-student .cb-quiz-question{
  margin:10px 0 13px;font-size:24px;line-height:1.3;letter-spacing:-.045em;color:var(--cb4-ink)
}
#classboardStudent.cb4-student .cb-quiz-options{
  display:grid;gap:9px
}
#classboardStudent.cb4-student .cb-quiz-option{
  position:relative;min-height:52px;padding:0 14px 0 52px!important;
  border:0!important;border-radius:14px!important;background:var(--cb4-blue-soft)!important;
  color:var(--cb4-ink)!important;text-align:left;font-size:14px;font-weight:800
}
#classboardStudent.cb4-student .cb-quiz-option:nth-child(2){background:var(--cb4-green-soft)!important}
#classboardStudent.cb4-student .cb-quiz-option:nth-child(3){background:var(--cb4-lilac)!important}
#classboardStudent.cb4-student .cb-quiz-option:nth-child(4){background:var(--cb4-yellow)!important}
#classboardStudent.cb4-student .cb-quiz-option:before{
  content:"";position:absolute;left:14px;top:50%;width:24px;height:24px;transform:translateY(-50%);
  border-radius:50%;background:#6aa2d8
}
#classboardStudent.cb4-student .cb-quiz-option:nth-child(2):before{background:#65c4a4}
#classboardStudent.cb4-student .cb-quiz-option:nth-child(3):before{background:#9b7fd4}
#classboardStudent.cb4-student .cb-quiz-option:nth-child(4):before{background:#e0b84c}
#classboardStudent.cb4-student .cb-quiz-option.selected{outline:2px solid var(--cb4-green);outline-offset:1px}
#classboardStudent.cb4-student .cb-quiz-option.correct{outline:2px solid var(--cb4-green)}
#classboardStudent.cb4-student .cb-quiz-option.wrong{outline:2px solid var(--cb4-coral)}

#classboardStudent.cb4-student #materials{margin:18px 0}
#classboardStudent.cb4-student .cb-materials-head{margin-bottom:8px}
#classboardStudent.cb4-student .cb-materials-head .cb-kicker{display:none}
#classboardStudent.cb4-student .cb-materials-head h2{font-size:12px}
#classboardStudent.cb4-student .cb-materials-head>span{font-size:9px;color:var(--cb4-muted)}
#classboardStudent.cb4-student .cb-material-list{display:grid;gap:8px}
#classboardStudent.cb4-student .cb-material-card{
  position:relative;min-height:74px;padding:10px;display:flex;align-items:center;gap:10px;
  border:1px solid var(--cb4-line);border-radius:13px;background:#fff;box-shadow:none
}
#classboardStudent.cb4-student .cb-material-card .cb-material-image{
  width:74px;height:52px;flex:0 0 74px;border-radius:9px;overflow:hidden
}
#classboardStudent.cb4-student .cb-material-card .cb-material-image img{width:100%;height:100%;object-fit:cover}
#classboardStudent.cb4-student .cb-material-card .cb-material-body{padding:0;min-width:0}
#classboardStudent.cb4-student .cb-material-card h3{margin:0 0 4px;font-size:11px}
#classboardStudent.cb4-student .cb-material-card p{margin:0;font-size:9px;color:var(--cb4-muted)}
#classboardStudent.cb4-student .cb-pin-badge{position:absolute;right:9px;top:8px;font-size:8px}

.cb4-student-compose{
  position:sticky!important;left:auto!important;right:auto!important;bottom:78px!important;z-index:24;
  width:100%!important;height:auto!important;min-height:60px!important;margin:16px 0 12px!important;padding:10px 11px!important;
  display:flex!important;align-items:center;justify-content:flex-start!important;gap:9px;
  border:1px solid var(--cb4-line)!important;border-radius:16px!important;background:#fff!important;color:var(--cb4-muted)!important;
  box-shadow:0 8px 22px rgba(13,34,53,.08)!important;font-size:11px!important
}
.cb4-compose-avatar{
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 34px;border-radius:50%;
  background:var(--cb4-green-soft);color:var(--cb4-green);font-size:15px
}
.cb4-compose-send{
  width:34px;height:34px;margin-left:auto;display:grid;place-items:center;flex:0 0 34px;border-radius:50%;
  background:var(--cb4-green);color:#fff
}
.cb4-student-feed{margin-top:15px}
.cb4-student-feed .cb-stream-head h2{font-size:14px}

.cb4-mobile-nav{
  position:fixed;left:50%;bottom:0;z-index:30;width:min(390px,100vw);height:70px;transform:translateX(-50%);
  padding:8px 14px calc(8px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--cb4-line);background:rgba(255,255,255,.97);backdrop-filter:blur(10px)
}
.cb4-mobile-nav a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:#809099;text-decoration:none;font-size:15px
}
.cb4-mobile-nav a b{font-size:9px}
.cb4-mobile-nav a.active{color:var(--cb4-green)}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1000px){
  .cb4-admin-layout{grid-template-columns:76px minmax(0,1fr)}
  .cb4-admin-sidebar{padding-inline:12px}
  .cb4-admin-brand strong,.cb4-admin-sidebar nav span,.cb4-admin-sidebar-foot p{display:none}
  .cb4-admin-brand{justify-content:center}
  .cb4-admin-sidebar nav a{justify-content:center;padding-inline:0}
  .cb4-admin-sidebar-foot{display:flex;justify-content:center}
  .cb4-orbit-mark{width:48px;height:48px}
  .cb4-recent-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cb4-teacher-stage{min-height:350px}
  .cb4-teacher-stage .cb-activity-options,.cb4-teacher-stage .cb-quiz-options{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:720px){
  .cb4-admin-layout{display:block}
  .cb4-admin-sidebar{position:static;width:auto;height:auto;padding:11px 14px;display:flex;flex-direction:row;align-items:center}
  .cb4-admin-sidebar nav{display:none}
  .cb4-admin-sidebar-foot{display:none}
  .cb4-admin-main{padding:15px 14px 60px}
  .cb4-admin-top{flex-wrap:wrap}
  .cb4-top-search{order:3;width:100%}
  .cb4-admin-kpis{grid-template-columns:1fr}
  .cb4-recommend-grid{display:flex;overflow-x:auto;padding-bottom:7px}
  .cb4-recommend-card{min-width:230px}
  .cb4-recent-grid{grid-template-columns:1fr}

  #classboardTeacher.cb4-teacher{padding:0 12px 60px}
  .cb4-teacher-header{margin:0 -12px 15px;padding:0 12px}
  .cb4-teacher-live-meta .cb-teacher-stat,.cb4-teacher-live-meta .cb-meta{display:none}
  .cb4-teacher-stage{min-height:320px;padding:24px 18px}
  .cb4-stage-boardcopy #teacherQuestion.cb-question{font-size:23px!important}
  .cb4-teacher-stage .cb-activity-options,.cb4-teacher-stage .cb-quiz-options{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cb4-teacher-stage .cb-activity-option,.cb4-teacher-stage .cb-quiz-option{min-height:78px}
  .cb4-teacher-actions{grid-template-columns:1fr}
}


/* ---------- ADMIN ROUTED VIEWS ---------- */
.cb4-admin-kpis button{
  min-height:104px;padding:15px 16px;display:grid;grid-template-columns:1fr auto;
  grid-template-areas:"label small" "value small";align-items:end;text-align:left;
  border:1px solid var(--cb4-line);border-radius:16px;background:#fff;color:var(--cb4-ink);
  font:inherit;cursor:pointer;transition:.16s ease
}
.cb4-admin-kpis button:hover{transform:translateY(-2px);box-shadow:var(--cb4-shadow);border-color:#cad8d1}
.cb4-admin-kpis button span{grid-area:label;font-size:11px;font-weight:750;color:var(--cb4-muted)}
.cb4-admin-kpis button strong{grid-area:value;margin-top:7px;font-size:29px;line-height:1;color:var(--cb4-ink);letter-spacing:-.05em}
.cb4-admin-kpis button small{
  grid-area:small;align-self:center;padding:5px 8px;border-radius:999px;background:var(--cb4-green-soft);
  color:var(--cb4-green-2);font-size:9px;font-weight:800
}
.cb4-admin-kpis button:nth-child(3) small{background:var(--cb4-coral-soft);color:var(--cb4-coral)}
.cb4-page{display:grid;gap:18px}
.cb4-page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;padding:8px 2px 18px;border-bottom:1px solid var(--cb4-line)}
.cb4-page-head h1{margin:4px 0 5px;font-size:31px;letter-spacing:-.055em;color:var(--cb4-ink)}
.cb4-page-head p{margin:0;color:var(--cb4-muted);font-size:12px}
.cb4-board-page .cb-board-tools{display:flex;justify-content:space-between;gap:12px;margin:0;padding:0}
.cb4-board-page .cb-board-search{display:block;position:relative;flex:1;max-width:520px}
.cb4-board-page .cb-board-search .cb-search-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);display:flex;color:#87938d}
.cb4-board-page .cb-board-search input{width:100%;height:42px;padding:0 14px 0 40px;border:1px solid var(--cb4-line);border-radius:12px;background:#fff}
.cb4-board-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cb4-board-list .cb3-board-card{min-height:174px;padding:16px;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"main actions" "code actions";gap:12px 16px;border:1px solid var(--cb4-line);border-radius:16px;background:#fff}
.cb4-board-list .cb-recent-main{grid-area:main}.cb4-board-list .cb-card-code{grid-area:code}.cb4-board-list .cb-card-actions{grid-area:actions}
.cb4-template-library{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.cb4-library-card{
  position:relative;min-height:210px;padding:0 0 16px;display:flex;flex-direction:column;text-align:left;
  border:1px solid var(--cb4-line);border-radius:18px;background:#fff;color:var(--cb4-ink);overflow:hidden;font:inherit
}
.cb4-library-card:hover{transform:translateY(-2px);box-shadow:var(--cb4-shadow)}
.cb4-library-preview{height:118px;padding:14px;background:#0b344c}
.cb4-library-card.tone-1 .cb4-library-preview{background:#dfeede}
.cb4-library-card.tone-2 .cb4-library-preview{background:#f1d8c4}
.cb4-library-preview .cb-template-preview{height:100%;padding:8px;border:0;border-radius:12px;background:rgba(255,255,255,.18)}
.cb4-library-card>b,.cb4-library-card>small,.cb4-library-card>em{margin-left:14px;margin-right:14px}
.cb4-library-card>b{margin-top:12px;font-size:14px}
.cb4-library-card>small{margin-top:4px;min-height:32px;color:var(--cb4-muted);font-size:10px;line-height:1.45}
.cb4-library-card>em{margin-top:8px;font-style:normal;font-size:9px;font-weight:800;color:var(--cb4-green-2)}
.cb4-library-direct{padding:20px;align-items:flex-start;justify-content:center;background:linear-gradient(145deg,#fff,#eef8f4)}
.cb4-library-plus{width:48px;height:48px;display:grid;place-items:center;border:1px dashed #8bbfae;border-radius:14px;color:var(--cb4-green);font-size:26px;margin-bottom:18px}
.cb4-library-direct>b,.cb4-library-direct>small{margin-left:0;margin-right:0}
.cb4-report-list{display:grid;gap:10px}
.cb4-report-row{
  min-height:96px;padding:16px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:18px;
  border:1px solid var(--cb4-line);border-radius:16px;background:#fff
}
.cb4-report-row h3{margin:7px 0 3px;font-size:15px}.cb4-report-row p{margin:0;color:var(--cb4-muted);font-size:10px}
.cb4-report-meta{display:grid;gap:4px;text-align:right}.cb4-report-meta span{font-size:9px;color:var(--cb4-muted)}.cb4-report-meta strong{font-size:12px;letter-spacing:.08em}
@media(max-width:1000px){
  .cb4-board-list{grid-template-columns:1fr}
  .cb4-template-library{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:720px){
  .cb4-page-head{align-items:flex-start}.cb4-page-head h1{font-size:26px}
  .cb4-board-page .cb-board-tools{display:grid}.cb4-board-page .cb-board-search{max-width:none}
  .cb4-template-library{grid-template-columns:1fr}
  .cb4-report-row{grid-template-columns:1fr}.cb4-report-meta{text-align:left}
}


/* ---------- ADMIN CREATION UX ---------- */
.cb-new-dialog{width:min(980px,calc(100vw - 28px))!important;max-height:min(90vh,850px);overflow:hidden}
.cb-new-dialog>.cb-body{max-height:min(90vh,850px);overflow:auto;padding:20px 24px 24px}
.cb-new-dialog .cb-dialog-title{
  position:sticky;top:-20px;z-index:8;margin:-20px -24px 14px;padding:20px 24px 13px;
  background:rgba(255,255,255,.98);border-bottom:1px solid var(--cb4-line);backdrop-filter:blur(10px)
}
.cb-new-dialog .cb-dialog-title h1{font-size:24px}
.cb-new-dialog .cb-template-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:15px}
.cb-new-dialog .cb-template-card{min-height:104px;padding:9px}
.cb-new-dialog .cb-template-preview{height:48px;padding:6px}
.cb-new-dialog .cb-template-copy{padding:7px 8px 8px}
.cb-new-dialog .cb-template-copy small{min-height:0}
.cb-new-dialog .cb-form{gap:10px 14px}
.cb-new-dialog .cb-field{gap:5px}.cb-new-dialog .cb-field textarea{min-height:72px}
.cb-new-dialog .cb-create-foot{
  position:sticky;bottom:-24px;z-index:7;margin:2px -24px -24px;padding:12px 24px 18px;
  background:linear-gradient(180deg,rgba(255,255,255,.82),#fff 32%);border-top:1px solid var(--cb4-line)
}
.cb-created-dialog{width:min(520px,calc(100vw - 28px))!important}
.cb-created-success{text-align:center;padding:8px 4px 4px}
.cb-created-mark{width:52px;height:52px;margin:0 auto 12px;display:grid;place-items:center;border-radius:50%;background:var(--cb4-green-soft);color:var(--cb4-green);font-size:24px;font-weight:900}
.cb-created-success h2{margin:5px 0 7px;font-size:24px;letter-spacing:-.045em}
.cb-created-success>p{max-width:390px;margin:0 auto 17px;color:var(--cb4-muted);font-size:12px;line-height:1.6}
.cb-created-code{margin:0 auto 18px;padding:13px;border-radius:14px;background:var(--cb4-bg);display:grid;gap:4px}
.cb-created-code span{font-size:9px;color:var(--cb4-muted)}.cb-created-code strong{font-size:23px;letter-spacing:.14em}
.cb-created-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cb-created-actions .cb-btn:first-child{grid-column:1/-1;min-height:46px;background:var(--cb4-green);border-color:var(--cb4-green)}
.cb-created-success>#createdClose{margin-top:14px}
@media(max-width:720px){
  .cb-new-dialog{width:calc(100vw - 12px)!important;max-height:94vh}
  .cb-new-dialog>.cb-body{max-height:94vh;padding:16px}
  .cb-new-dialog .cb-dialog-title{top:-16px;margin:-16px -16px 12px;padding:16px}
  .cb-new-dialog .cb-template-strip{display:flex;overflow-x:auto;margin:0 -16px 13px;padding:0 16px 7px}
  .cb-new-dialog .cb-template-card{min-width:145px;max-width:145px}
  .cb-new-dialog .cb-create-foot{bottom:-16px;margin:2px -16px -16px;padding:11px 16px 15px}
  .cb-created-actions{grid-template-columns:1fr}
  .cb-created-actions .cb-btn:first-child{grid-column:auto}
}