/* =========================================================
   SOWOOJU CLASSBOARD V3
   Higgsfield direction: quiet premium SaaS + playful live class
   ========================================================= */
:root{
  --cb3-ink:#122238;
  --cb3-ink-2:#24374b;
  --cb3-ivory:#fbfaf6;
  --cb3-paper:#ffffff;
  --cb3-mint:#2f8a6d;
  --cb3-mint-strong:#207158;
  --cb3-mint-soft:#eaf6f1;
  --cb3-coral:#c84f43;
  --cb3-coral-soft:#fff0ed;
  --cb3-line:#e7ebe9;
  --cb3-muted:#73808a;
  --cb3-shadow:0 14px 34px rgba(18,34,56,.07);
  --cb3-shadow-hover:0 20px 46px rgba(18,34,56,.11);
}
body{background:var(--cb3-ivory)}
.cb-icon{display:inline-block;vertical-align:middle;flex:0 0 auto}
.cb-eyebrow{
  margin-bottom:7px;color:var(--cb3-mint-strong);font-size:11px;font-weight:850;
  letter-spacing:.13em;text-transform:uppercase
}
.cb-icon-button{
  min-width:40px;height:40px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;
  gap:7px;border:1px solid var(--cb3-line);border-radius:12px;background:#fff;color:var(--cb3-ink-2);
  cursor:pointer;list-style:none;transition:.16s ease
}
.cb-icon-button::-webkit-details-marker{display:none}
.cb-icon-button:hover{background:#f6f8f7;border-color:#d9dfdc}
.cb-link-button{
  padding:0;border:0;background:transparent;color:var(--cb3-mint-strong);
  font:inherit;font-size:12px;font-weight:800;cursor:pointer
}

/* ---------- Admin V3 ---------- */
#classboardAdmin .cb-top{
  height:66px;padding-inline:28px;border-bottom:1px solid rgba(18,34,56,.06);
  background:rgba(251,250,246,.92)
}
#classboardAdmin .cb-shell{max-width:1320px;padding:38px 30px 86px}
#classboardAdmin .cb-admin-hero{
  min-height:130px;padding:10px 0 26px;align-items:flex-end;border-bottom:1px solid rgba(18,34,56,.06)
}
#classboardAdmin .cb-admin-hero h1{
  margin:0;font-size:46px;line-height:1.05;letter-spacing:-.065em;color:var(--cb3-ink)
}
#classboardAdmin .cb-admin-hero p{margin:10px 0 0;font-size:14px;color:var(--cb3-muted)}
#classboardAdmin .cb-admin-hero-action{gap:8px}
#classboardAdmin .cb-admin-hero-action>span{font-size:11px}
#classboardAdmin .cb-new-board{
  min-height:48px;padding:0 18px;display:inline-flex;align-items:center;gap:8px;
  border-radius:13px;background:var(--cb3-ink);border-color:var(--cb3-ink);
  box-shadow:0 10px 24px rgba(18,34,56,.12)
}
#classboardAdmin .cb-quick-start{margin:32px 0 34px}
#classboardAdmin .cb-section-title{align-items:center;margin-bottom:14px}
#classboardAdmin .cb-section-title h2{margin:0 0 4px;font-size:21px;letter-spacing:-.04em}
#classboardAdmin .cb-quick-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
#classboardAdmin .cb-quick-card{
  min-height:0;padding:0;display:block;text-align:left;border:1px solid var(--cb3-line);
  border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 1px 0 rgba(18,34,56,.02)
}
#classboardAdmin .cb-quick-card:before{display:none!important}
#classboardAdmin .cb-quick-card:hover{
  transform:translateY(-2px);border-color:#d8dfdc;box-shadow:var(--cb3-shadow)
}
.cb-template-preview{
  height:94px;padding:13px;display:grid;gap:7px;background:#f2f5f3;border-bottom:1px solid #edf0ee
}
.cb-template-preview i{display:block;border-radius:8px;background:#fff;border:1px solid #e4eae7}
.cb-template-preview.wall{grid-template-columns:1.2fr .8fr;grid-template-rows:1fr 1fr}
.cb-template-preview.wall i:first-child{grid-row:1/3}
.cb-template-preview.columns{grid-template-columns:repeat(3,1fr)}
.cb-template-preview.gallery{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr)}
.cb-template-copy{display:grid;gap:4px;padding:12px 13px 13px}
.cb-template-copy b{font-size:13px;color:var(--cb3-ink);letter-spacing:-.02em}
.cb-template-copy small{font-size:11px;line-height:1.45;color:var(--cb3-muted);min-height:28px}
.cb-template-copy em{position:static!important;font-size:10px;font-style:normal;color:var(--cb3-mint)}
#classboardAdmin .cb-panel-head{padding:0 0 11px}
#classboardAdmin .cb-panel-head h2{font-size:21px}
#classboardAdmin .cb-panel-head p{color:var(--cb3-muted);font-size:11px}
#classboardAdmin .cb-body{padding-top:6px}
#classboardAdmin .cb-board-tools{
  margin-bottom:13px;padding:0;border:0;background:transparent;align-items:center
}
#classboardAdmin .cb-board-search{
  position:relative;display:block;max-width:500px
}
#classboardAdmin .cb-board-search>span.cb-search-icon{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);display:flex;color:#87938d
}
#classboardAdmin .cb-board-search input{
  height:42px;padding:0 14px 0 40px;border-radius:12px;border-color:var(--cb3-line);
  background:#fff;font-size:12px
}
#classboardAdmin .cb-board-filter{
  padding:4px;border-radius:12px;background:#efF2f0;gap:2px
}
#classboardAdmin .cb-board-filter .cb-btn{
  min-height:34px;padding:0 11px;border:0;border-radius:9px;background:transparent;color:#6d7a73;font-size:11px
}
#classboardAdmin .cb-board-filter .cb-btn.selected{
  background:#fff;color:var(--cb3-ink);box-shadow:0 1px 3px rgba(18,34,56,.08)
}
#classboardAdmin .cb-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#classboardAdmin .cb3-board-card{
  position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:"main actions" "code actions";gap:16px 18px;
  min-height:164px;padding:18px 18px 17px;border:1px solid var(--cb3-line);border-radius:20px;
  background:#fff;box-shadow:none;overflow:visible
}
#classboardAdmin .cb3-board-card:hover{
  transform:translateY(-2px);border-color:#d9e0dc;box-shadow:var(--cb3-shadow-hover)
}
#classboardAdmin .cb3-board-card.live{border-color:#bedfd3}
#classboardAdmin .cb3-board-card.live:before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 4px 4px 0;background:var(--cb3-coral)
}
#classboardAdmin .cb3-board-card .cb-recent-main{grid-area:main;min-width:0}
#classboardAdmin .cb3-board-card h3{
  margin:9px 0 6px;font-size:19px;line-height:1.3;letter-spacing:-.04em;color:var(--cb3-ink)
}
#classboardAdmin .cb3-board-card .cb-meta{font-size:11px}
.cb-card-bottom-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;color:#849089;font-size:11px}
.cb-card-bottom-meta span+span:before{content:"·";margin-right:10px}
.cb-card-code{grid-area:code;display:flex;align-items:center;gap:8px}
.cb-card-code span{font-size:11px;font-weight:800;color:#8a958f;text-transform:uppercase;letter-spacing:.04em}
.cb-card-code strong{
  padding:5px 8px;border-radius:8px;background:#f3f6f4;color:var(--cb3-ink);font-size:12px;letter-spacing:.08em
}
.cb-card-actions{grid-area:actions;display:flex;align-items:flex-start;gap:7px}
.cb-card-primary{
  min-height:40px;padding:0 13px;display:inline-flex;align-items:center;gap:7px;border-radius:11px;
  background:#f4f6f5;border-color:#e7ebe9;color:var(--cb3-ink);font-size:11px;font-weight:800
}
.cb-card-primary:hover{background:#edf1ef}
.cb-card-primary.live{background:var(--cb3-coral);border-color:var(--cb3-coral);color:#fff}
.cb-overflow{position:relative}
.cb-overflow>summary{width:40px;padding:0}
.cb-overflow-menu{
  position:absolute;right:0;top:46px;z-index:30;width:190px;padding:7px;
  display:grid;gap:2px;border:1px solid var(--cb3-line);border-radius:14px;background:#fff;
  box-shadow:0 18px 44px rgba(18,34,56,.15)
}
.cb-overflow-menu button{
  width:100%;min-height:38px;padding:0 10px;display:flex;align-items:center;gap:9px;
  border:0;border-radius:9px;background:transparent;color:#425466;font:inherit;font-size:11px;text-align:left;cursor:pointer
}
.cb-overflow-menu button:hover{background:#f5f7f6}
#classboardAdmin .cb3-board-card.archived{background:#f7f8f7;opacity:.76}

/* ---------- Teacher V3 ---------- */
#classboardTeacher.cb-board{max-width:1260px;padding:20px 30px 90px}
#classboardTeacher .cb-boardbar{margin-bottom:16px}
.cb3-teacherbar{margin-bottom:20px!important}
.cb3-teacherbar .cb-teacherbar-head{
  padding:12px 14px;border:1px solid var(--cb3-line);border-radius:18px;background:#fff;
  box-shadow:none
}
.cb3-teacherbar .cb-teacher-context{gap:5px}
.cb3-teacherbar .cb-teacher-statusline{gap:6px}
.cb3-teacherbar .cb-teacher-status,
.cb3-teacherbar .cb-teacher-stat{
  min-height:28px;padding:0 9px;border:0;background:#f5f7f6;font-size:10px
}
.cb3-teacherbar .cb-teacher-status{background:var(--cb3-mint-soft);color:var(--cb3-mint-strong)}
.cb3-teacherbar .cb-teacher-stat .cb-icon{margin-right:4px}
.cb3-teacherbar .cb-teacher-primary{display:flex;gap:6px;align-items:center}
.cb3-teacherbar .cb-btn{
  min-height:42px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:11px;background:#f5f7f6!important;border-color:transparent!important;color:var(--cb3-ink-2)!important;
  font-size:10px;font-weight:800
}
.cb3-teacherbar .cb-tool-primary{
  padding-inline:15px;background:var(--cb3-coral)!important;border-color:var(--cb3-coral)!important;color:#fff!important
}
.cb3-teacherbar .cb-tool-button:hover{background:#edf2ef!important}
.cb3-teacherbar .cb-teacher-utility{
  margin:8px 2px 0;justify-content:flex-end
}
.cb3-teacherbar .cb-pending-button{
  min-height:34px;padding:0 10px;background:transparent!important;border:0!important;color:#718078!important
}
.cb-more-label{height:34px;min-height:34px!important;padding:0 9px!important;border:0!important;background:transparent!important}
.cb-more-label span{font-size:11px;font-weight:800}
.cb3-teacher-stage{
  margin:0 0 24px;padding:26px 28px 28px;border:1px solid #dfe7e3;border-radius:24px;
  background:linear-gradient(145deg,#ffffff 0%,#f7fbf8 100%);box-shadow:none
}
.cb3-teacher-stage h1{
  margin:0 0 18px!important;font-size:40px!important;line-height:1.1!important;letter-spacing:-.06em!important;color:var(--cb3-ink)
}
.cb3-teacher-stage .cb-question{
  min-height:auto!important;margin:0!important;padding:17px 18px!important;border-radius:15px!important;
  background:var(--cb3-mint-soft)!important;color:#1f4f40!important;font-size:20px!important
}
.cb3-teacher-stage .cb-question:before{display:none}
#classboardTeacher .cb-activity-card{
  border:1px solid #dce8e3;border-radius:22px;box-shadow:none
}
#classboardTeacher .cb-activity-card .cb-kicker{color:var(--cb3-mint)}
#classboardTeacher .cb-quiz-game-card{border-left:0}
#classboardTeacher .cb-quiz-progress>strong{color:var(--cb3-coral)}
#classboardTeacher .cb-leaderboard>div:not(.cb-kicker)>b{background:var(--cb3-mint-soft);color:var(--cb3-mint-strong)}
#classboardTeacher .cb-teacher-feed{margin-top:32px}
#classboardTeacher .cb-stream-head{align-items:center}
#classboardTeacher .cb-stream-head h2{font-size:21px}
#teacherWall .cb-post{border:1px solid #e7ebe9;box-shadow:none}
#teacherWall .cb-post:hover{border-color:#d8e2dd}

/* ---------- Student V3 ---------- */
#classboardStudent.cb-board{max-width:940px;padding:16px 18px 116px}
#classboardStudent .cb-boardbar{margin-bottom:18px}
#classboardStudent .cb-boardbar strong{font-size:13px}
.cb3-student-intro{padding:0 2px;margin-bottom:14px}
.cb3-student-intro h1{
  margin:5px 0 5px;font-size:33px;line-height:1.18;letter-spacing:-.055em;color:var(--cb3-ink)
}
.cb3-student-intro p{font-size:11px;color:var(--cb3-muted)}
.cb3-student-question{
  margin-bottom:22px;padding:0
}
.cb3-student-question>.cb-eyebrow{margin:0 0 7px 2px}
.cb3-student-question .cb-question{
  min-height:122px;margin:0;padding:24px 25px;display:flex;align-items:center;
  border-radius:24px;background:linear-gradient(145deg,#e8f5ef,#f0f9f5);
  color:#184638;font-size:27px;line-height:1.34;font-weight:820;letter-spacing:-.045em
}
.cb3-student-question .cb-question:before{display:none}
#classboardStudent .cb-materials{margin-bottom:24px}
#classboardStudent .cb-materials-head h2{font-size:18px}
#classboardStudent .cb-material-card{
  border:1px solid #e5ebe8;box-shadow:none
}
#classboardStudent .cb-material-card:hover{border-color:#d7e2dd}
#classboardStudent .cb-activity-wrap{padding:0;margin:0 0 26px}
#classboardStudent .cb-activity-card{border-radius:22px;border:1px solid #dfe8e4;box-shadow:none}
#classboardStudent .cb-quiz-game-card{
  background:linear-gradient(145deg,#ffffff,#f8fbf9);border-color:#dce8e3
}
#classboardStudent .cb-quiz-progress>b{background:var(--cb3-ink)}
#classboardStudent .cb-quiz-timer{color:var(--cb3-coral)}
#classboardStudent .cb-quiz-option.selected{border-color:var(--cb3-mint);background:var(--cb3-mint-soft)}
#classboardStudent .cb-stream{margin-top:28px}
#classboardStudent .cb-stream-head{align-items:center;margin-bottom:13px}
#classboardStudent .cb-stream-head h2{font-size:20px}
#classboardStudent .cb-wall{columns:2 320px;column-gap:14px}
#classboardStudent .cb-post{
  border:1px solid #e7ebe9;border-radius:19px;box-shadow:none;background:#fff
}
#classboardStudent .cb-post:hover{border-color:#d9e2de}
.cb3-compose{
  right:22px!important;bottom:calc(20px + env(safe-area-inset-bottom))!important;
  width:auto!important;height:52px!important;padding:0 18px!important;display:flex!important;align-items:center;gap:8px;
  border-radius:999px!important;background:var(--cb3-ink)!important;color:#fff!important;
  font-size:12px!important;font-weight:850!important;box-shadow:0 14px 34px rgba(18,34,56,.22)!important
}
.cb3-compose:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(18,34,56,.26)!important}

/* ---------- Dialog / shared controls V3 ---------- */
.cb-dialog .cb-body{background:#fff}
.cb-dialog-title h1,.cb-sheet-head h2{color:var(--cb3-ink)}
.cb-mobile-form input,.cb-mobile-form textarea,.cb-mobile-form select,
.cb-form input,.cb-form textarea,.cb-form select{
  border-color:#dfe5e2;background:#fff;border-radius:12px
}
.cb-mobile-form input:focus,.cb-mobile-form textarea:focus,.cb-mobile-form select:focus,
.cb-form input:focus,.cb-form textarea:focus,.cb-form select:focus{
  border-color:#8fc2af;box-shadow:0 0 0 3px rgba(47,138,109,.10);outline:0
}

/* ---------- Responsive V3 ---------- */
@media(max-width:1000px){
  #classboardAdmin .cb-quick-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  #classboardAdmin .cb-grid{grid-template-columns:1fr}
  .cb3-teacherbar .cb-teacherbar-head{align-items:flex-start;flex-direction:column}
  .cb3-teacherbar .cb-teacher-primary{width:100%;overflow-x:auto;padding-bottom:2px}
}
@media(max-width:760px){
  #classboardAdmin .cb-top{padding-inline:15px}
  #classboardAdmin .cb-shell{padding:24px 15px 70px}
  #classboardAdmin .cb-admin-hero{min-height:auto;padding-bottom:22px;align-items:flex-start}
  #classboardAdmin .cb-admin-hero h1{font-size:34px}
  #classboardAdmin .cb-admin-hero-action{width:100%;align-items:stretch}
  #classboardAdmin .cb-admin-hero-action>span{text-align:right}
  #classboardAdmin .cb-new-board{width:100%;justify-content:center}
  #classboardAdmin .cb-quick-grid{
    display:flex;overflow-x:auto;gap:10px;margin-inline:-15px;padding:0 15px 9px
  }
  #classboardAdmin .cb-quick-card{min-width:168px;max-width:168px}
  #classboardAdmin .cb-board-tools{align-items:stretch;gap:10px}
  #classboardAdmin .cb-board-filter{grid-template-columns:repeat(4,1fr)}
  #classboardAdmin .cb3-board-card{
    grid-template-columns:1fr auto;grid-template-areas:"main main" "code actions";min-height:0
  }
  #classboardTeacher.cb-board{padding:12px 12px 90px}
  .cb3-teacherbar .cb-teacherbar-head{padding:10px}
  .cb3-teacherbar .cb-teacher-context{width:100%}
  .cb3-teacherbar .cb-teacher-primary{gap:5px}
  .cb3-teacherbar .cb-btn{min-width:66px;flex:0 0 auto;min-height:42px}
  .cb3-teacherbar .cb-tool-primary{min-width:96px}
  .cb3-teacher-stage{padding:21px 19px 22px;border-radius:20px}
  .cb3-teacher-stage h1{font-size:29px!important}
  .cb3-teacher-stage .cb-question{font-size:17px!important}
  #classboardStudent.cb-board{padding:12px 12px 108px}
  .cb3-student-intro h1{font-size:27px}
  .cb3-student-question .cb-question{min-height:104px;padding:20px;font-size:21px;border-radius:20px}
  #classboardStudent .cb-wall{columns:1}
  .cb3-compose{
    left:14px!important;right:14px!important;bottom:calc(12px + env(safe-area-inset-bottom))!important;
    width:calc(100% - 28px)!important;justify-content:center
  }
}
@media(max-width:480px){
  #classboardAdmin .cb-board-filter{grid-template-columns:repeat(2,1fr)}
  #classboardAdmin .cb3-board-card{grid-template-columns:1fr;grid-template-areas:"main" "code" "actions"}
  #classboardAdmin .cb-card-actions{justify-content:space-between}
  #classboardAdmin .cb-card-primary{flex:1;justify-content:center}
}


/* V3 new-board template picker */
.cb-new-dialog .cb-template-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;
  margin:16px 0 20px
}
.cb-new-dialog .cb-dialog-template{
  min-height:0;padding:0;text-align:left;border:1px solid var(--cb3-line);
  border-radius:17px;background:#fff;overflow:hidden
}
.cb-new-dialog .cb-dialog-template:before{display:none!important}
.cb-new-dialog .cb-dialog-template:hover{
  transform:translateY(-1px);border-color:#cadbd4;box-shadow:var(--cb3-shadow)
}
.cb-new-dialog .cb-dialog-template.selected{
  border-color:#76b59e;background:#fff;box-shadow:0 0 0 3px rgba(47,138,109,.09)
}
.cb-new-dialog .cb-dialog-template .cb-template-preview{height:82px}
.cb-new-dialog .cb-dialog-template .cb-template-copy{padding:10px 11px 12px}
.cb-template-preview.direct{
  position:relative;display:grid;place-items:center;background:linear-gradient(145deg,#f6f8f7,#edf3ef)
}
.cb-template-preview.direct i{
  width:34px;height:34px;position:relative;border:1px dashed #9fb9ae;background:#fff
}
.cb-template-preview.direct i:before,.cb-template-preview.direct i:after{
  content:"";position:absolute;left:50%;top:50%;background:var(--cb3-mint);transform:translate(-50%,-50%)
}
.cb-template-preview.direct i:before{width:14px;height:2px}
.cb-template-preview.direct i:after{width:2px;height:14px}
@media(max-width:900px){
  .cb-new-dialog .cb-template-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:560px){
  .cb-new-dialog .cb-template-strip{
    display:flex;overflow-x:auto;margin-inline:-16px;padding:0 16px 8px;scroll-snap-type:x mandatory
  }
  .cb-new-dialog .cb-dialog-template{min-width:160px;max-width:160px;scroll-snap-align:start}
}