body[data-messages-modern="v2"] .page-content{padding:22px 24px 42px}body[data-messages-modern="v2"] #breadcrumb-shell{display:none!important}body[data-messages-modern="v2"] .messages-page{max-width:1500px;margin:auto;gap:14px}
body[data-messages-modern="v2"] .messages-hero{padding:8px 2px 0!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;gap:15px!important}body[data-messages-modern="v2"] .messages-hero-top{align-items:flex-end!important}body[data-messages-modern="v2"] .messages-eyebrow{margin:0 0 7px!important;padding:0!important;background:transparent!important;color:var(--tetra-accent)!important;font-size:9.5px!important;letter-spacing:.12em!important;text-transform:uppercase}body[data-messages-modern="v2"] .messages-hero h1{color:var(--tts-text)!important;font-size:clamp(28px,4vw,39px)!important;letter-spacing:-.04em!important}body[data-messages-modern="v2"] .messages-hero p{max-width:740px!important;margin-top:7px!important;color:var(--tts-muted)!important;font-size:12px!important;line-height:1.5!important}body[data-messages-modern="v2"] .hero-actions{gap:7px!important}body[data-messages-modern="v2"] :is(.k-btn,.ghost-btn){min-height:40px!important;padding:8px 11px!important;border-color:var(--tts-line)!important;border-radius:11px!important;background:var(--tts-soft)!important;color:var(--tts-text)!important;font-size:10.5px!important;box-shadow:none!important}body[data-messages-modern="v2"] .k-btn.primary{border-color:#7054d1!important;background:#7054d1!important;color:#fff!important}
body[data-messages-modern="v2"] .hero-tabs{flex-wrap:nowrap!important;gap:5px!important;margin:0!important;padding:6px!important;overflow-x:auto;border:1px solid var(--tts-line)!important;border-radius:15px!important;background:var(--tts-surface)!important;box-shadow:var(--tts-shadow)!important;scrollbar-width:none}body[data-messages-modern="v2"] .hero-tab{min-height:38px!important;display:inline-flex!important;align-items:center!important;padding:8px 12px!important;border:1px solid transparent!important;border-radius:10px!important;background:transparent!important;color:var(--tts-muted)!important;font-size:10.5px!important;white-space:nowrap}body[data-messages-modern="v2"] .hero-tab.active{border-color:rgba(146,119,232,.24)!important;background:rgba(146,119,232,.16)!important;color:var(--tts-text)!important}
body[data-messages-modern="v2"] .summary-strip{grid-template-columns:repeat(4,minmax(0,1fr))!important;gap:10px!important}body[data-messages-modern="v2"] .summary-card{gap:3px!important;padding:13px 14px!important;border-color:var(--tts-line)!important;border-radius:16px!important;background:var(--tts-surface)!important;box-shadow:var(--tts-shadow)!important}body[data-messages-modern="v2"] .summary-label{color:var(--tts-muted)!important;font-size:9.5px!important;text-transform:uppercase;letter-spacing:.05em}body[data-messages-modern="v2"] .summary-value{color:var(--tts-text)!important;font-size:22px!important}body[data-messages-modern="v2"] .summary-meta{color:var(--tts-muted)!important;font-size:9.5px!important;line-height:1.35!important}
body[data-messages-modern="v2"] .messages-shell{grid-template-columns:220px 320px minmax(0,1fr)!important;gap:12px!important;align-items:stretch!important}body[data-messages-modern="v2"] .shell-panel{border-color:var(--tts-line)!important;border-radius:18px!important;background:var(--tts-surface)!important;box-shadow:var(--tts-shadow)!important}body[data-messages-modern="v2"] :is(.nav-panel,.thread-panel,.conversation-panel){min-height:620px!important;max-height:calc(100vh - 270px)!important}body[data-messages-modern="v2"] :is(.panel-head,.conversation-head){padding:13px 14px!important;border-color:var(--tts-line)!important;background:var(--tts-surface)!important}body[data-messages-modern="v2"] :is(.panel-head h2,.panel-head h3,.conversation-copy h2){color:var(--tts-text)!important;font-size:13.5px!important}body[data-messages-modern="v2"] :is(.panel-sub,.conversation-copy p){color:var(--tts-muted)!important;font-size:10px!important}body[data-messages-modern="v2"] .panel-body{padding:10px!important}body[data-messages-modern="v2"] :is(.search,input,select,textarea){border-color:var(--tts-line)!important;background:var(--tts-soft)!important;color:var(--tts-text)!important}body[data-messages-modern="v2"] :is(.search,input,select){min-height:40px!important;border-radius:10px!important;font-size:10.5px!important}
body[data-messages-modern="v2"] .nav-group{gap:5px!important}body[data-messages-modern="v2"] .nav-label{color:var(--tts-muted)!important;font-size:8.5px!important;letter-spacing:.09em!important}body[data-messages-modern="v2"] .nav-item{min-height:42px!important;padding:8px 9px!important;border-color:transparent!important;border-radius:10px!important;background:transparent!important;color:var(--tts-muted)!important}body[data-messages-modern="v2"] .nav-item:hover{background:var(--tts-soft)!important;color:var(--tts-text)!important}body[data-messages-modern="v2"] .nav-item.active{border-color:rgba(77,182,255,.22)!important;background:rgba(77,182,255,.12)!important;color:var(--tts-text)!important}body[data-messages-modern="v2"] .nav-icon{width:27px!important;height:27px!important;border-radius:9px!important;background:var(--tts-soft)!important}body[data-messages-modern="v2"] .nav-title{font-size:10.5px!important}body[data-messages-modern="v2"] .nav-count{height:21px!important;min-width:21px!important;border-color:var(--tts-line)!important;background:var(--tts-soft)!important;color:var(--tts-muted)!important;font-size:9px!important}body[data-messages-modern="v2"] :is(.pill,.tag,.tool-chip){border-color:var(--tts-line)!important;background:var(--tts-soft)!important;color:var(--tts-muted)!important;font-size:8.5px!important}
body[data-messages-modern="v2"] .thread-list{gap:6px!important}body[data-messages-modern="v2"] .thread-card{gap:7px!important;padding:10px!important;border-color:transparent!important;border-radius:13px!important;background:transparent!important;box-shadow:none!important}body[data-messages-modern="v2"] .thread-card:hover{transform:none!important;background:var(--tts-soft)!important}body[data-messages-modern="v2"] .thread-card.active{border-color:rgba(146,119,232,.26)!important;background:rgba(146,119,232,.12)!important;box-shadow:none!important}body[data-messages-modern="v2"] .avatar{width:36px!important;height:36px!important;border-radius:11px!important}body[data-messages-modern="v2"] .thread-title{color:var(--tts-text)!important;font-size:11.5px!important}body[data-messages-modern="v2"] :is(.thread-meta,.thread-preview,.timestamp){color:var(--tts-muted)!important;font-size:9.5px!important}
body[data-messages-modern="v2"] .conversation-body{padding:15px!important;background:var(--tts-soft)!important}body[data-messages-modern="v2"] .message-day span{border-color:var(--tts-line)!important;background:var(--tts-surface)!important;color:var(--tts-muted)!important}body[data-messages-modern="v2"] .message-bubble{border-color:var(--tts-line)!important;background:var(--tts-surface)!important;color:var(--tts-text)!important;box-shadow:none!important}body[data-messages-modern="v2"] .bubble-meta{color:var(--tts-muted)!important}body[data-messages-modern="v2"] .message-row.outgoing .message-bubble{background:linear-gradient(135deg,#7054d1,#8b6ee8)!important;color:#fff!important}body[data-messages-modern="v2"] .composer{border-color:var(--tts-line)!important;background:var(--tts-surface)!important}body[data-messages-modern="v2"] .composer textarea{min-height:88px!important;background:var(--tts-soft)!important;color:var(--tts-text)!important}body[data-messages-modern="v2"] :is(.composer-note,.empty-note){color:var(--tts-muted)!important}body[data-messages-modern="v2"] [data-new-thread-panel]{border-color:var(--tts-line)!important;border-radius:17px!important;background:var(--tts-surface)!important;color:var(--tts-text)!important;box-shadow:var(--tts-shadow)!important}
.teacher-compose{position:fixed;z-index:1200;top:88px;right:24px;width:min(460px,calc(100vw - 32px));max-height:calc(100vh - 112px);padding:18px!important;overflow:auto}.teacher-compose__head{display:flex;justify-content:space-between;gap:16px;margin-bottom:17px}.teacher-compose__head h3{margin:5px 0;color:var(--tts-text);font-size:19px}.teacher-compose__head p{margin:0;color:var(--tts-muted);font-size:10.5px;line-height:1.45}.teacher-compose__close{width:34px;height:34px;border:1px solid var(--tts-line);border-radius:10px;background:var(--tts-soft);color:var(--tts-text);font-size:20px}.teacher-compose form,.teacher-compose__field{display:grid;gap:8px}.teacher-compose form{gap:14px}.teacher-compose__field label{color:var(--tts-muted);font-size:9.5px;font-weight:850;text-transform:uppercase;letter-spacing:.06em}.teacher-compose__field textarea{min-height:126px;padding:12px;border:1px solid var(--tts-line);border-radius:12px;resize:vertical}.teacher-compose__field small{justify-self:end;color:var(--tts-muted);font-size:9px}.teacher-compose__results{max-height:230px;padding:5px;overflow:auto;border:1px solid var(--tts-line);border-radius:12px;background:var(--tts-soft)}.teacher-compose__result{width:100%;display:flex;align-items:center;gap:10px;padding:10px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--tts-text);text-align:left}.teacher-compose__result:hover{border-color:rgba(146,119,232,.26);background:rgba(146,119,232,.12)}.teacher-compose__avatar{width:34px;height:34px;display:grid;flex:0 0 auto;place-items:center;border-radius:10px;background:rgba(146,119,232,.17);color:var(--tts-text);font-size:10px;font-weight:900}.teacher-compose__result strong,.teacher-compose__result span{display:block}.teacher-compose__result strong{font-size:11px}.teacher-compose__result span{margin-top:3px;color:var(--tts-muted);font-size:9px}.teacher-compose__empty{padding:22px 12px;color:var(--tts-muted);font-size:10px;text-align:center}.teacher-compose__selected{padding:11px 12px;border:1px solid rgba(85,214,194,.25);border-radius:12px;background:rgba(85,214,194,.1);color:var(--tts-text);font-size:10.5px}.teacher-compose__state{min-height:16px;color:var(--tts-muted);font-size:9.5px}.teacher-compose__state.error{color:#ff9aaa}.teacher-compose__actions{display:flex;justify-content:flex-end;gap:8px}
:root[data-tetra-theme="light"] body[data-messages-modern="v2"] :is(.hero-tabs,.summary-card,.shell-panel,[data-new-thread-panel]){background:#fff!important;box-shadow:0 10px 28px rgba(31,50,76,.08)!important}:root[data-tetra-theme="light"] body[data-messages-modern="v2"] :is(.conversation-body,.nav-icon,.nav-count,.composer textarea,.search,input,select,textarea){background:#f8fafc!important;color:#182337!important}:root[data-tetra-theme="light"] body[data-messages-modern="v2"] .message-bubble{background:#fff!important;color:#182337!important}:root[data-tetra-theme="light"] body[data-messages-modern="v2"] .message-row.outgoing .message-bubble{background:linear-gradient(135deg,#6348c4,#8064df)!important;color:#fff!important}
@media(max-width:1250px){body[data-messages-modern="v2"] .messages-shell{grid-template-columns:190px 280px minmax(0,1fr)!important}}
@media(max-width:1000px){body[data-messages-modern="v2"] .messages-shell{grid-template-columns:260px minmax(0,1fr)!important}body[data-messages-modern="v2"] .nav-panel{display:none!important}body[data-messages-modern="v2"] :is(.thread-panel,.conversation-panel){max-height:none!important}}
@media(max-width:760px){body[data-messages-modern="v2"] .page-content{padding:14px 12px 92px!important}body[data-messages-modern="v2"] .messages-hero-top{display:block!important}body[data-messages-modern="v2"] .messages-hero p{display:none!important}body[data-messages-modern="v2"] .hero-actions{margin-top:13px!important;justify-content:flex-start!important;overflow-x:auto;flex-wrap:nowrap!important}body[data-messages-modern="v2"] .hero-tabs{margin-inline:-2px!important}body[data-messages-modern="v2"] .summary-strip{grid-template-columns:repeat(2,minmax(0,1fr))!important}body[data-messages-modern="v2"] .summary-meta{display:none!important}body[data-messages-modern="v2"] .messages-shell{display:block!important}body[data-messages-modern="v2"] .thread-panel{min-height:360px!important;margin-bottom:12px}body[data-messages-modern="v2"] .conversation-panel{min-height:560px!important}body[data-messages-modern="v2"] .conversation-top{display:block!important}body[data-messages-modern="v2"] .conversation-actions{justify-content:flex-start!important;margin-top:10px!important;overflow-x:auto;flex-wrap:nowrap!important}body[data-messages-modern="v2"] .conversation-body{max-height:52vh!important}body[data-messages-modern="v2"] .composer-tools{display:none!important}body[data-messages-modern="v2"] .composer-actions{align-items:stretch!important}body[data-messages-modern="v2"] .composer-actions>div:last-child{width:100%}body[data-messages-modern="v2"] [data-message-send]{width:100%;justify-content:center;min-height:44px!important}}
@media(max-width:760px){.teacher-compose{top:auto;right:8px;bottom:78px;left:8px;width:auto;max-height:calc(100dvh - 96px);border-radius:20px 20px 14px 14px!important}.teacher-compose__actions .k-btn{flex:1;justify-content:center}}
.teacher-compose__avatar{position:relative!important;width:38px!important;height:38px!important;overflow:hidden!important;border-radius:11px!important}.teacher-compose__avatar>span{margin:0!important}.teacher-compose__avatar img{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover}
body[data-messages-modern="v2"] .conversation-actions [hidden]{display:none!important}

/* Messages overview v3 — compact command strip rather than an oversized hero. */
body[data-messages-home="v3"] .messages-page{gap:12px}
body[data-messages-home="v3"] .messages-hero{
  padding:14px 16px 0!important;
  border:1px solid var(--tts-line)!important;
  border-radius:18px!important;
  background:radial-gradient(circle at 88% 0,rgba(77,182,255,.10),transparent 32%),var(--tts-surface,#fff)!important;
  box-shadow:0 10px 28px rgba(31,46,70,.06)!important;
  gap:10px!important;
}
body[data-messages-home="v3"] .messages-hero-top{
  display:grid!important;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center!important;
  gap:16px!important;
}
body[data-messages-home="v3"] .messages-eyebrow{margin-bottom:4px!important;font-size:9px!important}
body[data-messages-home="v3"] .messages-hero h1{
  font-size:25px!important;
  line-height:1.08!important;
  letter-spacing:-.03em!important;
}
body[data-messages-home="v3"] .messages-hero p{
  max-width:720px!important;
  margin-top:4px!important;
  font-size:11.5px!important;
  line-height:1.4!important;
}
body[data-messages-home="v3"] .hero-actions{margin:0!important;align-self:center}
body[data-messages-home="v3"] .hero-actions .k-btn{
  min-height:38px!important;
  padding:7px 12px!important;
  border-color:#ccd8e6!important;
  background:#fff!important;
  color:#19304a!important;
}
body[data-messages-home="v3"] .hero-tabs{
  margin:0 -4px!important;
  padding:5px 4px!important;
  border-width:1px 0 0!important;
  border-radius:0!important;
  background:transparent!important;
  box-shadow:none!important;
}
@media(max-width:760px){
  body[data-messages-home="v3"] .messages-hero{padding:12px 12px 0!important}
  body[data-messages-home="v3"] .messages-hero-top{
    display:grid!important;
    grid-template-columns:minmax(0,1fr) auto;
    gap:10px!important;
  }
  body[data-messages-home="v3"] .messages-hero h1{font-size:22px!important}
  body[data-messages-home="v3"] .messages-hero p{display:none!important}
  body[data-messages-home="v3"] .hero-actions{margin:0!important;overflow:visible!important}
  body[data-messages-home="v3"] .hero-actions .k-btn{
    min-height:36px!important;
    padding:6px 10px!important;
    white-space:nowrap;
  }
}
@media(max-width:480px){
  body[data-messages-home="v3"] .messages-hero-top{grid-template-columns:1fr}
  body[data-messages-home="v3"] .hero-actions .k-btn{width:100%;justify-content:center}
}