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4px;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2)}.study-formula{font-family:var(--mono);font-size:.95rem;color:var(--text);margin:0 0 4px}.study-sheet-panel p{margin:0;font-size:.78rem;color:var(--muted);line-height:1.4}.study-sheet-foot{margin-top:10px!important;font-size:.68rem!important}@media(prefers-reduced-motion:reduce){.study-sheet-panel{animation:none}}.pro-actions{display:flex;align-items:center;gap:6px}.btn.pro-btn{border-color:#e8c5478c;color:#e8c547;background:linear-gradient(160deg,#e8c54729,#0a1030e6);letter-spacing:.04em;font-weight:600}.btn.pro-btn.active{box-shadow:inset 0 0 0 1px #e8c54766}.plan-chip{font-size:.65rem;letter-spacing:.08em;text-transform:uppercase;padding:4px 8px;border-radius:999px;border:1px solid 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#50c8dc73}.apex-panel{max-width:min(980px,96vw);max-height:min(88vh,820px);overflow:auto;border-color:#50c8dc47}.apex-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:12px}.apex-head-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.pro-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}.btn.pro-btn{white-space:nowrap}.apex-eyebrow{margin:0;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:#7ad4e6}.apex-layout{display:grid;grid-template-columns:200px 1fr;gap:16px;min-height:360px}.apex-nav{display:flex;flex-direction:column;gap:4px}.apex-nav button{text-align:left;border:1px solid transparent;background:#0a14128c;color:var(--muted);padding:8px 10px;border-radius:8px;cursor:pointer;font:inherit}.apex-nav button.active,.apex-nav button:hover{border-color:#50c8dc66;color:#d7f3f8;background:#50c8dc1f}.apex-chapter h3{margin-top:0}.apex-actions,.apex-infra{display:flex;flex-direction:column;gap:10px;margin-top:12px}.apex-actions label{display:flex;flex-direction:column;gap:4px;max-width:160px}.apex-result{font-family:IBM Plex Mono,ui-monospace,monospace;font-size:.78rem;color:#b8d4cc;padding:8px 10px;border:1px solid rgba(80,200,220,.25);border-radius:8px;background:#060e10b3}.bode-canvas{width:100%;max-width:640px;height:auto;border-radius:10px;border:1px solid rgba(80,200,220,.25)}@media(max-width:720px){.apex-layout{grid-template-columns:1fr}.apex-nav{flex-direction:row;flex-wrap:wrap}}.modal-backdrop{position:fixed;inset:0;z-index:80;background:#040a08b8;display:grid;place-items:center;padding:20px}.modal-backdrop.subscribe-float{background:#03080cc7;backdrop-filter:blur(12px);animation:electra-msg-in .28s var(--ease) both}.modal-card{width:min(440px,100%);padding:20px 22px;border:1px solid var(--line-strong);border-radius:14px;background:#080c24f5;box-shadow:0 18px 48px #00000080,0 0 32px #000dfb2e}.modal-card.subscribe-card{position:relative;width:min(460px,100%);padding:26px 24px 20px;overflow:hidden;border-radius:18px;box-shadow:0 24px 60px #00000073,0 0 40px #000dfb1f}.modal-card.subscribe-card.electra-gate{background:radial-gradient(circle at 20% 0%,rgba(0,13,251,.2),transparent 50%),radial-gradient(circle at 90% 20%,rgba(94,176,255,.12),transparent 45%),#060a1cf7}.subscribe-aura{position:absolute;inset:-30% -10% auto;height:140px;background:radial-gradient(circle,rgba(0,13,251,.22),transparent 70%);pointer-events:none}.subscribe-eyebrow{position:relative;margin:0 0 8px;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-bright)}.subscribe-perks{position:relative;margin:0 0 16px;padding-left:18px;color:var(--text);font-size:.88rem;line-height:1.45}.subscribe-perks li{margin-bottom:6px}.subscribe-actions{margin-top:14px;gap:8px;flex-wrap:wrap}.subscribe-dismiss{margin-top:10px;width:100%}.modal-card.modal-wide{width:min(720px,100%);max-height:min(88vh,900px);overflow:auto}.modal-card h2{margin:0 0 8px;font-family:var(--display);font-size:1.15rem}.modal-card label{display:block;margin:10px 0;font-size:.78rem;color:var(--muted)}.modal-card input,.modal-card select{display:block;width:100%;margin-top:4px;padding:8px 10px;border-radius:8px;border:1px solid var(--line);background:#080e0ce6;color:var(--text)}.class-banner,.observe-banner{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:8px 14px;border-bottom:1px solid var(--line);background:#000dfb14;font-size:.82rem}.observe-banner{background:#e8c5471a;color:#e8c547}.class-brief{margin:6px 0 0;padding-left:16px;color:var(--muted);font-size:.78rem}.class-banner-aside{display:flex;align-items:center;gap:10px;flex-shrink:0}.class-timer{display:flex;flex-direction:column;align-items:flex-end;gap:2px;min-width:88px;padding:6px 10px;border-radius:10px;border:1px solid rgba(0,13,251,.35);background:#08100ed9;font-family:var(--mono)}.class-timer-label{font-size:.62rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.class-timer-digits{font-size:1.25rem;font-weight:600;letter-spacing:.04em;color:var(--accent-bright);line-height:1}.class-timer.urgent{border-color:#e8b84a8c}.class-timer.urgent .class-timer-digits{color:#e8b84a}.class-timer.expired{border-color:#ff6b5a8c;background:#280c0ae6}.class-timer.expired .class-timer-digits,.class-timer.expired .class-timer-label{color:#ff6b5a}.timer-limit-field{display:flex;flex-direction:column;gap:4px;margin:10px 0;max-width:280px}.timer-limit-field input{padding:8px 10px;border-radius:8px;border:1px solid var(--line);background:var(--bg1)}.teacher-eyebrow{margin:0 0 4px;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:#e8c547}.teacher-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px;gap:12px}.teacher-lead{margin:4px 0 0;font-size:.82rem;max-width:42ch}.teacher-create-block{margin:12px 0 16px;padding:14px;border:1px solid rgba(232,197,71,.35);border-radius:12px;background:linear-gradient(160deg,rgba(232,197,71,.08),transparent)}.teacher-create-block h3,.teacher-class-list h3{margin:0 0 8px;font-family:var(--display);font-size:.95rem}.class-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}.class-card{text-align:left;border:1px solid var(--line);background:#080e0cd9;color:var(--text);border-radius:10px;padding:10px 12px;cursor:pointer;display:flex;flex-direction:column;gap:4px}.class-card:hover,.class-card.active{border-color:#e8c5478c}.invite-mini{font-family:var(--mono);letter-spacing:.14em;color:var(--accent-bright);font-size:.95rem}.local-badge{display:inline-block;margin-left:8px;font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;padding:2px 6px;border-radius:999px;border:1px solid var(--line);color:var(--muted);vertical-align:middle}.ee-brief-card{margin:10px 0 12px;padding:12px;border:1px solid var(--line);border-radius:10px;background:#08100cb3}.ee-brief-card h4{margin:10px 0 4px;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent2)}.ee-brief-card h4:first-child{margin-top:0}.measure-plan{margin:0;padding-left:18px;font-size:.8rem;color:var(--muted)}.safety-note{margin:8px 0 0;font-size:.78rem;color:#e8c547}.class-health{display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:10px;border:1px solid var(--line);margin-bottom:10px}.class-health .health-score{font-family:var(--mono);font-size:1.6rem;min-width:48px;text-align:center}.class-health.health-ok{border-color:#000dfb73}.class-health.health-mid{border-color:#e8c54773}.class-health.health-bad{border-color:#e8606073}.class-health p{margin:4px 0 0;font-size:.8rem}.ee-diagnoses{margin:10px 0}.ee-diagnosis{border:1px solid var(--line);border-radius:8px;padding:8px 10px;margin:6px 0;font-size:.8rem}.ee-diagnosis p{margin:4px 0;color:var(--muted)}.ee-diagnosis .teacher-move,.ee-diagnosis .student-prompt{color:var(--text)}.teacher-invite{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border:1px solid var(--line);border-radius:10px;margin-bottom:14px}.invite-code{font-family:var(--mono);font-size:1.4rem;letter-spacing:.2em;color:var(--accent-bright);margin:4px 0}.stuck-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:8px 0 12px}.stuck-grid>div{border:1px solid var(--line);border-radius:8px;padding:8px;display:flex;flex-direction:column;gap:4px}.stuck-grid strong{font-size:1.05rem}.roster-list,.attempt-list,.error-codes ul{margin:0;padding-left:18px;font-size:.82rem}.attempt-list li{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:4px 0}.electra-mode-tag{margin-left:6px;font-size:.62rem;letter-spacing:.04em;opacity:.75}.tiny{font-size:.7rem}@media(max-width:900px){.stuck-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.pro-actions{flex-wrap:wrap}}

.lang-flag{display:inline-flex;align-items:center;gap:3px;font-size:.72rem;font-weight:600;letter-spacing:.02em}
.lang-flag .flag-emoji{font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif;font-size:1.05rem;line-height:1}
.lang-flag .flag-code{font-family:var(--mono,ui-monospace,monospace);font-size:.62rem;opacity:.9;letter-spacing:.04em}

/* US experience: corner flag + stable lang switch */
.usa-corner-flag{position:fixed;top:10px;right:12px;z-index:10050;font-size:1.55rem;line-height:1;filter:drop-shadow(0 0 10px rgba(0,13,251,.45));pointer-events:none;user-select:none}
.lab-top .lang-switch,.hero-topbar .lang-switch{flex-shrink:0;max-width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
.lang-switch{display:inline-flex!important;align-items:center;gap:2px;padding:3px 6px;border-radius:999px;border:1px solid var(--line,rgba(0,13,251,.32));background:#00000066;flex-wrap:nowrap}
.lang-switch .lang-eu{flex-shrink:0;font-size:.9rem;margin-right:2px;opacity:.85}
.lang-switch .lang-flag{display:inline-flex!important;align-items:center;justify-content:center;gap:2px;min-width:34px;height:28px;padding:2px 5px;border:none;background:transparent;border-radius:6px;cursor:pointer;opacity:.55;line-height:1}
.lang-switch .lang-flag:hover{opacity:1}
.lang-switch .lang-flag.active{opacity:1;outline:1px solid var(--accent,#000dfb);box-shadow:0 0 12px rgba(0,13,251,.45)}
.lang-switch .flag-emoji{font-family:"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",sans-serif;font-size:1rem;line-height:1}
.lang-switch .flag-code{font-family:var(--mono,ui-monospace,monospace);font-size:.58rem;letter-spacing:.04em;opacity:.95}
.lang-switch.is-us{border-color:rgba(0,232,255,.45)}
.lab-top{overflow:visible!important}
@media(max-width:720px){.usa-corner-flag{top:8px;right:8px;font-size:1.35rem}.lang-switch .flag-code{display:none}}

.glass-panel{background:rgba(8,12,36,.96)!important;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--text,#e6ebff);border:1px solid rgba(0,13,251,.35)}
.teacher-panel,.modal-card.modal-wide{background:rgba(8,12,36,.98)!important;color:var(--text,#e6ebff);min-height:240px}
.modal-backdrop.teacher-console{z-index:90}
/* simulath-mobile-z-fix */
.modal-backdrop{z-index:100050;}
.modal-backdrop.subscribe-float{z-index:100060;align-items:end;padding:12px 12px calc(72px + env(safe-area-inset-bottom,0px));}
.modal-backdrop.subscribe-float .modal-card,
.modal-backdrop.subscribe-float .subscribe-card{
  width:min(460px,100%);
  max-height:min(78dvh,640px);
  margin:0 auto;
  overflow:auto;
  -webkit-overflow-scrolling:touch;
}
@media(min-width:761px){
  .modal-backdrop.subscribe-float{align-items:center;place-items:center;padding:20px;}
}

/* electra-dim1002: Pro/Electra mobile sheet must beat
   .lab-shell.mobile-pane-* .electra-rail{display:none!important}
   otherwise overlay stays dark and blocks the lab. */
.electra-mobile-overlay{
  z-index:100040!important;
  padding-bottom:max(12px,calc(58px + env(safe-area-inset-bottom,0px)))!important;
}
.lab-shell .electra-mobile-overlay .electra-rail,
.lab-shell.mobile-pane-bench .electra-mobile-overlay .electra-rail,
.lab-shell.mobile-pane-parts .electra-mobile-overlay .electra-rail,
.lab-shell.mobile-pane-tools .electra-mobile-overlay .electra-rail,
.lab-shell.in-class .electra-mobile-overlay .electra-rail,
.lab-shell.in-class.mobile-pane-bench .electra-mobile-overlay .electra-rail,
.lab-shell.in-class.mobile-pane-parts .electra-mobile-overlay .electra-rail,
.lab-shell.in-class.mobile-pane-tools .electra-mobile-overlay .electra-rail{
  display:flex!important;
  flex-direction:column;
  visibility:visible!important;
  opacity:1!important;
  pointer-events:auto!important;
  height:100%;
  max-height:100%;
  min-height:0;
  overflow:hidden;
  background:#060a1cf7;
  border-radius:14px;
  border:1px solid rgba(0,13,251,.35);
  box-shadow:0 12px 40px rgba(0,0,0,.55);
}
.electra-mobile-overlay .electra-mobile-close{
  display:inline-flex!important;
  flex-shrink:0;
  margin-left:auto;
  min-height:40px;
  min-width:44px;
  align-items:center;
  justify-content:center;
}
@media(max-width:760px){
  .electra-mobile-overlay{
    display:block!important;
    position:fixed;
    inset:0;
    background:#000000b8;
    padding:12px;
    padding-bottom:max(12px,calc(58px + env(safe-area-inset-bottom,0px)));
    pointer-events:auto;
  }
  /* Teacher Pro panel: usable bottom sheet on phone */
  .modal-backdrop.teacher-console{
    z-index:100050;
    align-items:end;
    place-items:end center;
    padding:12px 12px calc(64px + env(safe-area-inset-bottom,0px));
  }
  .modal-backdrop.teacher-console .modal-card.teacher-panel,
  .modal-backdrop.teacher-console .teacher-panel{
    width:min(100%,520px);
    max-height:min(85dvh,720px);
    margin:0 auto;
    overflow:auto;
    -webkit-overflow-scrolling:touch;
  }
}

/* elteachroster1005 — teacher student cards */
.roster-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;margin:8px 0 14px}
.roster-card{border:1px solid var(--line);border-radius:12px;padding:12px;background:#080e14e6;display:flex;flex-direction:column;gap:8px}
.roster-card.pass{border-color:#000dfb73}
.roster-card.fail{border-color:#e8606073}
.roster-card.pending{border-color:#e8c54755}
.roster-card-head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.roster-status{font-family:var(--mono);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.roster-status.ok{color:var(--accent-bright);border-color:#000dfb73}
.roster-status.bad{color:#ff6b5a;border-color:#ff6b5a73}
.roster-status.mid{color:#e8b84a;border-color:#e8b84a73}
.roster-meta{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:0;font-size:.78rem}
.roster-meta dt{color:var(--muted)}
.roster-meta dd{margin:0;font-family:var(--mono);word-break:break-word}
.roster-attempts{margin:0;padding-left:16px;list-style:disc}
.roster-attempts li{margin:3px 0}
.timer-limit-row .timer-limit-field{margin:0;max-width:220px}
.teacher-class-timer .class-timer{align-items:flex-start}
.teacher-roster-section h3{margin-top:12px}

/* eleval1005: teacher evaluation overview + AI report */
.class-overview{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 12px}
.class-overview .ov{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:#0a121ae6}
.class-overview .ov.done{color:#9dffc9;border-color:#3dff9a66}
.class-overview .ov.pending{color:#e8c547;border-color:#e8c54766}
.class-overview .ov.timeout{color:#ff9a6b;border-color:#ff9a6b66}
.class-overview .ov.fail{color:#ff7a7a;border-color:#ff7a7a66}
.roster-card.timeout{border-color:#ff9a6b73}
.roster-status.to{color:#ff9a6b;border-color:#ff9a6b73}
.roster-status.submitted{background:#13a35c33;border:1px solid #3dff9a66;color:#9dffc9;margin-left:4px}
.roster-badges{display:flex;flex-wrap:wrap;gap:4px;align-items:center;justify-content:flex-end}
.roster-card-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px}
.eval-ai-btn{white-space:nowrap}
.eval-ai-report{margin-top:6px;padding:8px 10px;border-radius:10px;border:1px solid #5ad1ff55;background:#0a1822e6}
.eval-ai-report-head{font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:#7cf;margin-bottom:4px}
.eval-ai-report-body{margin:0;white-space:pre-wrap;font-family:inherit;font-size:.78rem;line-height:1.35;color:var(--text,#dce7f0);max-height:220px;overflow:auto}
@media (max-width:720px){.class-overview{gap:6px}.eval-ai-btn{font-size:.78rem}}

/* elsend1005: Enviar al profesor */.send-teacher-wrap{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.send-teacher-btn{white-space:nowrap}.send-teacher-btn.sent{background:linear-gradient(135deg,#0b6b3af2,#13a35ce6);border-color:#3dff9a73}.send-teacher-status{font-size:.68rem;color:var(--accent-bright,#7cf)}.send-teacher-status.err{color:#ff7a7a}.send-teacher-side{width:100%;margin-top:6px}@media (max-width:720px){.class-banner-aside{flex-wrap:wrap;justify-content:flex-end;gap:6px}.send-teacher-btn{font-size:.78rem;padding:7px 10px}}