/* BAY LearnLab Core UI v1 — single visual authority for student + teacher shell */
:root{
  --ll-font:"Noto Sans Thai","Leelawadee UI",Tahoma,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --ll-navy:#123b6d;--ll-blue:#1976d2;--ll-blue-2:#42a5f5;--ll-orange:#ff8a2a;
  --ll-bg:#f5f8fc;--ll-surface:#fff;--ll-soft:#eef5fc;--ll-ink:#17324d;--ll-muted:#66798d;
  --ll-line:#dbe6f0;--ll-good:#178a63;--ll-warn:#a66a16;--ll-danger:#b9483f;
  --ll-r-sm:12px;--ll-r:18px;--ll-r-lg:24px;--ll-shadow:0 10px 28px rgba(23,50,77,.08);
  --ll-content:1240px;--ll-tap:48px;color-scheme:light;
  --ll-motion-fast:140ms;--ll-motion-standard:220ms;--ll-motion-navigation:300ms;--ll-motion-expressive:420ms;
  --ll-motion-ease:cubic-bezier(.2,.8,.2,1);--ll-motion-decelerate:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box}
html{font-family:var(--ll-font);background:var(--ll-bg);-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}
body{margin:0;min-height:100vh;color:var(--ll-ink);background:var(--ll-bg);font-family:var(--ll-font);line-height:1.5;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button,a,input,select,textarea,summary{outline-offset:3px}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(25,118,210,.35)}
button,a{touch-action:manipulation}.hidden,[hidden]{display:none!important}
a{color:var(--ll-blue)}
img{max-width:100%;display:block}
h1,h2,h3,p{margin-top:0}.muted{color:var(--ll-muted)}
.topbar,.teacher-reference-header{
  position:sticky;top:0;z-index:50;min-height:68px;padding:10px max(18px,env(safe-area-inset-left));
  display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.97);border-bottom:1px solid var(--ll-line);
  box-shadow:0 4px 18px rgba(23,50,77,.05);backdrop-filter:blur(10px)
}
.brand{display:flex;align-items:center;gap:10px;min-width:0;color:var(--ll-navy);text-decoration:none}
.brand-mark{width:44px;height:44px;padding:4px;border:1px solid var(--ll-line);border-radius:13px;background:#fff;box-shadow:0 4px 12px rgba(23,50,77,.06);overflow:hidden;flex:none}
.brand-mark img{width:100%;height:100%;object-fit:contain}.brand>div,.brand>span:last-child{display:grid;min-width:0}
.ll-wordmark{font-size:19px;line-height:1}.ll-wordmark span{color:var(--ll-navy)}.ll-wordmark b{color:var(--ll-blue)}.brand small{font-size:11px;color:var(--ll-muted)}
.top-actions,.student-reference-actions,.teacher-reference-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.student-nav,.teacher-reference-nav{display:flex;align-items:center;gap:4px;margin:auto}
.student-nav button,.teacher-reference-nav a{
  min-height:42px;padding:8px 12px;border:0;border-radius:12px;background:transparent;color:#54708a;text-decoration:none;font-weight:800;cursor:pointer
}
.student-nav button.active,.teacher-reference-nav a.active{background:var(--soft,#eef5fc);color:var(--ll-blue)}
/* Student navigation and account controls are visible only during a verified learner session. */
body.student-app:not(.student-session-active) .student-nav,
body.student-app:not(.student-session-active) .student-header-account{display:none!important}
.status-pill,.pill{display:inline-flex;align-items:center;min-height:36px;padding:7px 11px;border:1px solid var(--ll-line);border-radius:999px;background:#fff;color:#48627a;font-size:12px;font-weight:800}
.status-pill.online,.pill.online{color:var(--ll-good);background:#effaf6}.status-pill.offline,.pill.offline{color:var(--ll-warn);background:#fff8ed}
.app-shell,.shell{width:min(var(--ll-content),calc(100% - 28px));margin:24px auto 56px}
.screen{display:block}.card,.hero-card,.activity-stage,.context-card,.action-card,.list-card,.form-card,.metric,.live-card{
  border:1px solid var(--ll-line);border-radius:var(--ll-r);background:var(--ll-surface);box-shadow:var(--ll-shadow)
}
.eyebrow,.section-kicker,.mission-kicker,.worksheet-launch-kicker{margin:0 0 6px;color:var(--ll-blue);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}
.button,.primary-button,.ghost-button,.text-button,.primary-action,.mission-primary-action,.roster-page-button,.round-button{
  min-height:var(--ll-tap);display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:10px 15px;border:1px solid var(--ll-line);font-weight:850;text-decoration:none;cursor:pointer
}
.button.primary,.primary-button,.primary-action,.mission-primary-action{border-color:transparent;background:var(--ll-blue);color:#fff;box-shadow:0 7px 18px rgba(25,118,210,.18)}
.button.ghost,.ghost-button,.roster-page-button{background:#fff;color:var(--ll-navy)}
/* An enabled secondary action must not inherit the browser's disabled-looking gray button. */
.teacher-app .button.secondary{background:#edf5ff;border-color:#c7dced;color:#174b7d}
.teacher-app .button.secondary:disabled{background:#e5e8ec;border-color:#d8dde4;color:#667587;opacity:.65;cursor:not-allowed}
.teacher-app .button.secondary:not(:disabled):focus-visible{outline:3px solid #2473ba;outline-offset:2px}
.text-button{min-height:40px;border:0;background:transparent;color:var(--ll-blue);padding-inline:8px}
.danger-action{color:var(--ll-danger);border-color:#efcbc7;background:#fff8f7}
input,select,textarea,.typing-input{width:100%;min-height:var(--ll-tap);padding:10px 12px;border:1px solid #cad9e7;border-radius:12px;background:#fff}
textarea{resize:vertical}.field,label{display:grid;gap:6px}.field>label,label{font-weight:700;font-size:13px}
.form-grid,.advanced-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.span-2{grid-column:1/-1}

/* Lightweight icon fallback — no separate icon CSS required */
.ll-icon{display:inline-grid;place-items:center;width:1.25em;height:1.25em;font-style:normal}.ll-icon:before{font-size:.95em;line-height:1}
.ll-icon-school:before{content:"⌂"}.ll-icon-mission:before{content:"✓"}.ll-icon-success:before{content:"★"}.ll-icon-student:before{content:"●"}.ll-icon-reward:before{content:"★"}
.ll-icon-thai:before{content:"ก"}.ll-icon-device:before{content:"▣"}.ll-icon-recovery:before{content:"↻"}.ll-icon-shield:before{content:"◆"}.ll-icon-mascot:before{content:"☺"}

/* Boot */
.learnlab-bootstrap-gate{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;background:#f4f8fc}
.learnlab-bootstrap-card{width:min(430px,calc(100% - 32px));display:flex;align-items:center;gap:14px;padding:18px;border:1px solid var(--ll-line);border-radius:20px;background:#fff;box-shadow:var(--ll-shadow)}
.learnlab-bootstrap-card img{width:48px;height:48px;object-fit:contain}.learnlab-bootstrap-card div{display:grid;gap:2px;flex:1}.learnlab-bootstrap-card strong{color:var(--ll-navy);font-size:17px}.learnlab-bootstrap-card span{color:var(--ll-muted);font-size:12px}
.learnlab-bootstrap-spinner{width:24px;height:24px;border:3px solid #d8e6f2;border-top-color:var(--ll-orange);border-radius:50%;animation:llspin .8s linear infinite}
@keyframes llspin{to{transform:rotate(360deg)}}body.learnlab-boot-pending{overflow:hidden}body.learnlab-boot-pending>.topbar,body.learnlab-boot-pending>#app,body.learnlab-boot-pending>#toast{visibility:hidden}body:not(.learnlab-boot-pending)>.learnlab-bootstrap-gate{display:none}

/* Student entry */
#screenLogin{display:grid;gap:16px}.rc56-login-hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);min-height:330px;overflow:hidden;background:linear-gradient(135deg,#eaf5ff,#fff7ed)}
.student-login-hero-copy{padding:clamp(24px,4vw,44px);align-self:center}.rc56-product-pill,.enrollment-teacher-badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#eaf3ff;color:var(--ll-blue);font-size:11px;font-weight:900}
.student-login-hero-copy h1{margin:10px 0 10px;color:var(--ll-navy);font-size:clamp(34px,4.8vw,58px);line-height:1.02;letter-spacing:-.035em}.student-login-hero-copy h1 span{color:var(--ll-blue)}
.student-login-hero-copy>p{max-width:620px;color:#50677d}.learner-recovery-actions{margin-top:16px}
.rc56-login-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.rc56-login-meta>span{min-width:120px;padding:9px 11px;border-radius:12px;background:rgba(255,255,255,.78);border:1px solid rgba(219,230,240,.9)}.rc56-login-meta small,.rc56-login-meta strong{display:block}.rc56-login-meta small{color:var(--ll-muted);font-size:10px}.rc56-login-meta strong{font-size:12px}
.student-login-hero-art{position:relative;display:grid;place-items:end center;min-height:280px;overflow:hidden}.student-login-hero-art img{width:min(78%,380px);max-height:315px;object-fit:contain}.rc56-orbit,.rc56-world-chip,.rc56-art-glow,.student-login-continuity{display:none!important}
.context-card{padding:14px 16px;color:#4d647a}
.student-roster-search{display:grid;gap:6px;width:min(100%,460px);padding:0 2px;color:var(--ll-navy);font-size:13px;font-weight:800}
.student-roster-search input{height:48px;min-height:48px;font-size:16px;font-weight:500;border-color:var(--ll-line);background:#fff}
.student-roster-search input:focus{border-color:var(--ll-blue)}
.student-search-empty{grid-column:1/-1;margin:0;padding:22px;text-align:center;color:var(--ll-muted);border:1px dashed var(--ll-line);border-radius:16px}
.student-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:10px}
.student-card{display:grid;grid-template-columns:46px minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;min-width:0;min-height:80px;padding:12px 14px;text-align:left;border:1px solid var(--ll-line);border-radius:16px;background:#fff;box-shadow:0 4px 14px rgba(23,50,77,.05);cursor:pointer}
.student-avatar{display:grid;place-items:center;width:46px;height:46px;flex:none;border-radius:14px;background:var(--ll-soft);color:var(--ll-blue);font-size:18px;font-weight:850}
.student-card-copy{display:grid;align-content:center;gap:2px;min-width:0}
.student-name{font-size:16px;line-height:1.35;font-weight:850;color:var(--ll-navy);overflow-wrap:anywhere}
.student-full-name{font-size:12px;line-height:1.35;font-weight:500;color:var(--ll-muted);overflow-wrap:anywhere}
.student-number{font-size:11px;line-height:1.4;font-weight:750;color:var(--ll-muted)}
.student-enter{display:inline-flex;align-items:center;justify-content:center;gap:3px;min-height:44px;padding:0 10px;border-radius:12px;background:#eaf3ff;color:var(--ll-blue);font-size:12px;font-weight:850;white-space:nowrap}
.student-enter i{font-style:normal;font-size:17px}
.student-card:hover{border-color:#a9cbea;transform:translateY(-1px)}
.roster-pagination{display:flex;align-items:center;justify-content:center;gap:10px}.roster-page-status{color:var(--ll-muted);font-size:12px}.prototype-note{text-align:center;color:var(--ll-muted);font-size:12px}

/* Student home */
#screenHome.student-home{display:grid;grid-template-columns:minmax(0,1fr) 310px;grid-template-areas:"main rail";gap:18px;align-items:start}
.student-main-column{grid-area:main;display:grid;gap:16px;min-width:0}.student-right-rail{grid-area:rail;display:grid;gap:12px;position:sticky;top:86px}
.student-golden-hero{min-height:230px;padding:28px;display:flex;align-items:center;background:linear-gradient(135deg,#123b6d,#1976d2);color:#fff;overflow:hidden}
.golden-hero-sr{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.student-golden-hero-copy{min-width:0;max-width:780px}.student-golden-hero-copy h1{margin:0 0 8px;font-size:clamp(32px,4vw,50px);line-height:1}.student-golden-hero-copy h1 span{color:#ffd18b}.student-golden-hero-copy p{margin:0;color:#eaf4ff}.student-golden-hero-quote,.student-golden-hero-dots,.golden-hero-brand{display:none!important}
.gameos-world-hub,.student-subject-section,.student-activities-section{display:grid;gap:10px}.gameos-world-head,.section-heading,.golden-card-head,.live-heading{display:flex;align-items:end;justify-content:space-between;gap:12px}.gameos-world-head p,.section-heading p{margin:0;color:var(--ll-muted);font-size:11px}.gameos-world-head h2,.section-heading h2{margin:0;color:var(--ll-navy)}
.gameos-world-grid,.world-grid,.activity-grid,.subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.world-card,.activity-card{position:relative;min-height:128px;padding:16px;border:1px solid var(--ll-line);border-radius:18px;background:#fff;box-shadow:0 5px 16px rgba(23,50,77,.05);cursor:pointer;overflow:hidden}
.world-card:hover,.activity-card:hover{border-color:#b4d1eb;transform:translateY(-1px)}.world-card h3,.activity-card h3{color:var(--ll-navy)}
.world-icon{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:#eef5fc;color:var(--ll-blue);font-size:28px;font-weight:900}
.world-icon.thai:after{content:"ก"}.world-icon.english:after{content:"A"}.world-icon.math:after{content:"×"}.world-icon.digital-foundation:after{content:"⌨"}
.student-home-top,.journey-progress-card,.golden-recommended-panel,.student-rewards-card,.student-idea-strip{padding:14px;border:1px solid var(--ll-line);border-radius:18px;background:#fff;box-shadow:0 5px 16px rgba(23,50,77,.05)}
.student-identity-panel{display:grid;grid-template-columns:54px minmax(0,1fr);gap:10px;align-items:center}.student-hero-avatar{width:54px;height:54px;border-radius:16px;background:#eef5fc;display:grid;place-items:center}.student-identity-panel h1{margin:0;color:var(--ll-navy);font-size:20px}.student-identity-panel p{margin:0;color:var(--ll-muted);font-size:12px}
.reward-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}.reward-item{padding:7px;border-radius:11px;background:#f7faff;text-align:center}.reward-item small,.reward-item strong{display:block}.reward-item small{font-size:9px;color:var(--ll-muted)}.reward-item strong{font-size:16px;color:var(--ll-navy)}.reward-icon{display:none}
.student-switch-button{width:100%;margin-top:10px}.journey-progress-copy{display:flex;justify-content:space-between;gap:10px}.big-number{font-size:22px;color:var(--ll-navy)}.journey-level-track{height:8px;border-radius:999px;background:#e8eef5;overflow:hidden}.journey-level-track>span{display:block;height:100%;background:linear-gradient(90deg,var(--ll-blue),var(--ll-orange));border-radius:inherit}
.golden-recommended-panel h2{margin:2px 0 6px;color:var(--ll-navy)}.mission-hero-meta{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}.mission-meta-pill{padding:5px 8px;border-radius:999px;background:#eef5fc;color:#42627d;font-size:10px}.mission-one-choice{margin:7px 0 0;color:var(--ll-muted);font-size:10px}
.student-reward-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.student-reward-showcase>span{padding:9px;border-radius:12px;background:#f7faff}.student-reward-showcase i,.student-reward-showcase strong,.student-reward-showcase small{display:block}.student-reward-showcase small{color:var(--ll-muted);font-size:10px}
.student-special-card,.student-reference-lower{display:none!important}

/* Runtime state behavior lives in the core so legacy visual sheets are not required. */
body.has-teacher-assignment .secondary-learning{display:none!important}
body.has-teacher-assignment #assignmentSection{margin-top:18px}
body.has-teacher-assignment #assignmentSection .section-heading{margin-bottom:10px}
body.has-teacher-assignment #recommendationReason{font-size:15px;color:#b65312}

/* Activity */
/* A single opt-in visual lesson inside the existing multiple-choice engine. */
.fraction-activity{display:grid;gap:14px;max-width:820px;margin-inline:auto}
.fraction-activity .prompt{margin:0;color:var(--ll-navy);font-size:clamp(20px,4.1vw,29px);font-weight:850;line-height:1.45;text-align:left}
.fraction-learning{display:grid;gap:10px;padding:clamp(12px,3vw,20px);border:1px solid var(--ll-line);border-radius:var(--ll-r);background:#fff}
.fraction-step{margin:0;color:var(--ll-blue);font-size:14px;font-weight:850}
.fraction-instruction{margin:0;color:var(--ll-ink);font-size:17px;line-height:1.55}
.fraction-instruction strong{color:var(--ll-navy)}
.fraction-pieces{display:flex;gap:6px;width:100%;max-width:620px;margin:4px auto}
.fraction-piece{flex:1;min-width:0;min-height:100px;padding:0;border:2px solid #a9c8e3;border-radius:10px;background:#f2f8fe;transition:background-color var(--ll-motion-fast) var(--ll-motion-ease),border-color var(--ll-motion-fast) var(--ll-motion-ease);cursor:pointer}
.fraction-piece[aria-pressed="true"]{border-color:#0b3d91;background:#1976d2}
.fraction-piece:focus-visible{outline:3px solid #ff8a2a;outline-offset:3px}
.fraction-piece:disabled{cursor:default}
.fraction-count{min-height:24px;margin:0;text-align:center;color:var(--ll-navy);font-size:15px;font-weight:850}
.fraction-explainer{margin:0;padding:10px 12px;border-radius:12px;background:#eef5fc;color:#36536f;font-size:14px;line-height:1.55}
.fraction-explainer strong{color:var(--ll-navy)}
.fraction-activity .choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0}
.fraction-activity .choice-button{min-width:0;min-height:58px;padding:10px;border:2px solid #c7dcec;border-radius:13px;background:#fff;color:var(--ll-navy);font-size:clamp(19px,4vw,26px);font-weight:850}
.fraction-activity .choice-button:hover,.fraction-activity .choice-button:focus-visible{border-color:var(--ll-blue);background:#f0f7ff}
.fraction-activity .choice-button:disabled{opacity:.7;cursor:default}
@media(max-width:520px){.fraction-pieces{gap:4px}.fraction-piece{min-height:86px;border-radius:8px}.fraction-instruction{font-size:16px}.fraction-activity .choice-grid{gap:8px}}
@media(prefers-reduced-motion:reduce){.fraction-piece{transition:none}}
.activity-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.activity-stage{padding:clamp(16px,3vw,26px)}.activity-title-row{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}.activity-title-row h1{margin:2px 0;color:var(--ll-navy)}.instruction{color:#49647c}.engine-area{min-height:280px;margin-top:16px;padding:16px;border-radius:16px;background:#f8fbfe;border:1px solid var(--ll-line)}.feedback{margin-top:12px;min-height:24px}.gameos-mode-banner{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;margin-bottom:14px;border-radius:14px;background:#eef5fc}.gameos-mode-banner small,.gameos-mode-banner strong{display:block}.gameos-engine-tag{align-self:center;padding:5px 8px;border-radius:999px;background:#fff;color:var(--ll-blue);font-size:10px;font-weight:900}

/* Enrollment */
.enrollment-golden-shell{display:grid;grid-template-columns:minmax(0,.9fr) minmax(420px,1.1fr);gap:18px;align-items:stretch}.enrollment-hero{position:relative;min-height:470px;padding:32px;display:flex;align-items:center;overflow:hidden;background:radial-gradient(circle at 82% 18%,rgba(255,176,90,.24) 0 84px,transparent 85px),radial-gradient(circle at 88% 72%,rgba(67,159,230,.18) 0 125px,transparent 126px),linear-gradient(145deg,#eaf5ff,#f8fbff 56%,#fff8ef)}.enrollment-hero:after{content:"1 · 2 · 3";position:absolute;right:8%;bottom:10%;font-size:clamp(44px,6vw,82px);font-weight:950;letter-spacing:.08em;color:rgba(18,59,109,.08)}.enrollment-hero-copy{position:relative;z-index:1;width:100%;min-width:0;max-width:540px}.enrollment-hero-copy p{max-width:100%;overflow-wrap:anywhere}.enrollment-hero h1{margin:8px 0;color:var(--ll-navy);font-size:clamp(36px,5vw,62px);line-height:1}.enrollment-hero p{color:#516a82}
.first-use-card{padding:20px}.entry-mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:8px}.entry-mode{min-height:72px;padding:10px;border:1px solid var(--ll-line);border-radius:14px;background:#fff;text-align:left;cursor:pointer}.entry-mode.active{border-color:#90bfe7;background:#eef7ff}.entry-mode span,.entry-mode b,.entry-mode small{display:block}.entry-mode small{color:var(--ll-muted);font-size:10px}
.teacher-workspace-entry{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;margin:10px 0;padding:12px;border:1px solid var(--ll-line);border-radius:14px;background:#fffaf4;text-decoration:none;color:var(--ll-navy)}.teacher-workspace-entry small{display:block;color:var(--ll-muted);font-size:10px}
.entry-intro,.first-use-help{color:var(--ll-muted)}.first-use-steps{display:grid;gap:8px;padding:0;list-style:none}.first-use-steps li{display:grid;grid-template-columns:28px 1fr;gap:8px;align-items:start}.first-use-steps li>span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#eef5fc;color:var(--ll-blue);font-weight:900}
.first-use-form{display:grid;gap:10px;margin-top:14px}.first-use-code-input{text-align:center;font-size:18px;font-weight:900;letter-spacing:.05em}.first-use-advanced,.first-use-technical{color:var(--ll-muted);font-size:12px}.enrollment-subject-preview{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.enroll-subject{position:relative;min-height:84px;padding:14px 12px 12px 54px;border-radius:16px;background:#fff;border:1px solid var(--ll-line);font-weight:850;color:var(--ll-navy)}.enroll-subject:before{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#eef5fc;color:var(--ll-blue);font-weight:950}.enroll-subject.thai:before{content:"ก"}.enroll-subject.english:before{content:"A"}.enroll-subject.math:before{content:"×"}.enroll-subject.computer:before{content:"⌨"}

/* Teacher */
.teacher-app .shell{display:grid;gap:14px}.teacher-account{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:12px;background:#f4f8fc}.teacher-account-avatar{width:34px;height:34px;border-radius:10px;background:#e8f2fb;display:grid;place-items:center}.teacher-account-copy small,.teacher-account-copy strong{display:block}.teacher-account-copy small{font-size:9px;color:var(--ll-muted)}.teacher-account-copy strong{font-size:11px;color:var(--ll-navy)}
.auth-state.teacher-auth-golden{min-height:520px;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#edf6ff,#fff8ef)}
.teacher-auth-panel{width:min(520px,100%);padding:28px;border:1px solid var(--ll-line);border-radius:22px;background:#fff;box-shadow:var(--ll-shadow)}.teacher-auth-panel h1{margin:6px 0 10px;color:var(--ll-navy);font-size:clamp(34px,5vw,50px);line-height:1.04}.teacher-auth-panel>p{color:#516b83}.teacher-auth-actions{display:grid;gap:9px;margin-top:16px}.teacher-auth-panel>small{display:block;margin-top:12px;color:var(--ll-muted);font-size:10px}
.teacher-golden-top{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.7fr);gap:14px}.teacher-golden-hero{min-height:230px;padding:24px;border:1px solid var(--ll-line);border-radius:20px;background:linear-gradient(135deg,#123b6d,#1976d2);color:#fff;display:flex;align-items:flex-end;box-shadow:var(--ll-shadow)}.teacher-golden-copy{max-width:580px}.teacher-golden-copy h1{margin:4px 0 8px;font-size:clamp(32px,4vw,48px);line-height:1}.teacher-golden-copy h1 span{color:#ffd18b}.teacher-golden-copy p{margin:0;color:#eaf4ff}.teacher-hero-dots{display:none}
.teacher-today-card{padding:16px}.teacher-today-card>header{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}.today-calendar{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:#eef5fc;color:var(--ll-blue)}.teacher-today-card h2{margin:0;color:var(--ll-navy)}.teacher-today-list{display:grid;margin-top:8px}.today-row{display:grid;grid-template-columns:56px 8px 1fr auto;gap:8px;align-items:center;min-height:44px;border:0;border-bottom:1px solid #edf2f6;background:transparent;text-align:left;cursor:pointer}.today-row:last-child{border-bottom:0}
.teacher-golden-main{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:14px}.teacher-classroom-panel,.teacher-golden-insights{min-width:0}.teacher-golden-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}.teacher-golden-heading h2{margin:0;color:var(--ll-navy)}.teacher-golden-class-grid,.class-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.class-card,.golden-class-card{min-height:130px;padding:14px;border:1px solid var(--ll-line);border-radius:16px;background:#fff;box-shadow:0 5px 16px rgba(23,50,77,.05);cursor:pointer}.class-card:hover,.golden-class-card:hover{border-color:#acd0ed}
.teacher-help-card,.teacher-progress-summary,.teacher-task-card,.teacher-cockpit-context,.teacher-action-brief,.worksheet-studio-launchpad{padding:14px;border:1px solid var(--ll-line);border-radius:18px;background:#fff;box-shadow:0 5px 16px rgba(23,50,77,.05)}
body.teacher-workspace-focus.class-selected .hero,body.teacher-workspace-focus.class-selected .context-panel,body.teacher-workspace-focus.class-selected #classPickerSection{display:none}
body.teacher-workspace-focus.class-selected .shell{margin-top:14px}
body.teacher-workspace-focus.class-selected .selected-class{margin-top:0}
body.teacher-workspace-focus.class-selected .student-access-bar,body.teacher-workspace-focus.class-selected .simple-actions{display:none}
body.class-session-active .daily-command-center{border-color:#a9d7bd;background:linear-gradient(135deg,#f2fbf6,#e8f7ee)}
body.class-session-active .daily-command-copy .eyebrow{color:var(--ll-good)}
body.class-session-active .daily-start{background:#e7f5ec;color:#12623d;box-shadow:none}

.teacher-tool-grid,.action-grid,.stats-grid,.live-status-grid,.team-board-grid,.station-plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.action-card,.teacher-quick-tools>a,.worksheet-studio-tool{padding:14px;text-decoration:none;color:var(--ll-ink)}
.teacher-quick-tools{padding:14px}.teacher-tool-grid>button,.teacher-tool-grid>a{min-height:92px;display:grid;place-items:center;align-content:center;gap:6px;padding:12px;border:1px solid var(--ll-line);border-radius:14px;background:#f8fbfe;color:var(--ll-navy);font:inherit;text-align:center;text-decoration:none;cursor:pointer;box-shadow:none}.teacher-tool-grid>button:hover,.teacher-tool-grid>a:hover{border-color:#acd0ed;background:#eef6fd}.teacher-tool-grid :is(.tool-glyph,.worksheet-tool-glyph){display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#eaf3fb;color:var(--ll-blue);font-size:17px}.teacher-tool-grid strong{font-size:12px;line-height:1.25}.golden-card-head>button{min-height:36px;padding:6px 9px;border:0;border-radius:10px;background:#eef5fc;color:var(--ll-blue);font:inherit;font-size:11px;font-weight:850;cursor:pointer}
.teacher-cockpit-context.selected-class{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.selected-class-copy h2{margin:0;color:var(--ll-navy)}.selected-class-actions,.simple-actions,.assignment-actions,.quick-start-actions,.daily-primary-actions,.daily-secondary-actions{display:flex;flex-wrap:wrap;gap:8px}
.daily-command-center,.teacher-action-brief,.live-section{padding:16px;border:1px solid var(--ll-line);border-radius:18px;background:#fff}.daily-command-center{display:grid;grid-template-columns:1fr auto;gap:12px}.daily-command-copy h2{margin:0;color:var(--ll-navy)}
.table-wrap{overflow:auto;border:1px solid var(--ll-line);border-radius:14px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:10px 12px;border-bottom:1px solid #edf1f5;text-align:left;font-size:12px}th{color:#4f657a;background:#f7f9fc}
.notice{padding:10px 12px;border-radius:12px;background:#fff8e8;color:#7b5a20}.code-box,.student-access-bar{padding:12px;border:1px dashed #b8cad9;border-radius:14px;background:#f8fbfe}.code-box strong{font-size:20px;letter-spacing:.05em}
.live-device-grid,.live-learner-grid,.live-recovery-rows{display:grid;gap:8px}.live-toolbar{display:flex;justify-content:space-between;gap:10px;align-items:center}.live-toolbar-actions{display:flex;gap:8px}.live-stat{padding:10px;border-radius:12px;background:#f6f9fc;text-align:center}.live-stat strong{display:block;font-size:20px;color:var(--ll-navy)}
.assignment-backdrop{position:fixed;inset:0;z-index:100;background:rgba(8,25,52,.42);backdrop-filter:blur(4px)}
.assignment-sheet{position:fixed;left:50%;top:50%;z-index:110;width:min(860px,calc(100vw - 30px));max-height:min(88vh,900px);margin:0!important;overflow:auto;overscroll-behavior:contain;transform:translate(-50%,-50%);padding:24px 26px;border-radius:24px;background:#fff;box-shadow:0 30px 90px rgba(9,29,60,.30)}
body.assignment-open{overflow:hidden}
.assignment-quick .section-heading{align-items:flex-start}.assignment-quick .section-heading h2{font-size:clamp(26px,4vw,36px)}
.assignment-hint{max-width:580px;margin:6px 0 0;line-height:1.55}
.assignment-quick-grid{grid-template-columns:minmax(0,1fr) 210px;align-items:end}
.assignment-main-field{min-width:0}
.assignment-optional{grid-column:1/2}.assignment-optional input{min-height:54px}.assignment-optional label small{font-weight:600;color:var(--ll-muted)}
.assignment-when{grid-column:2/3;grid-row:2}.assignment-hidden-contract{display:none!important}
.assignment-safe-note{margin-top:14px;padding:11px 13px;border-radius:14px;background:#eef9f3;color:#17643f;font-size:13px;font-weight:800}
/* Worksheet-first assignment chooser: one clear choice, no parallel workflow. */
.assignment-kind-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:7px 0 12px}
.assignment-kind-tab{display:flex;justify-content:center;align-items:center;gap:7px;min-width:0;min-height:58px;padding:10px 12px;border:1px solid #d8e5f2;border-radius:16px;background:#f8fbff;color:#244269;font:inherit;font-size:14px;font-weight:850;text-align:center;cursor:pointer}
.assignment-kind-tab.active{border:2px solid #3275cf;background:#eaf4ff;color:#163d78;box-shadow:0 2px 10px rgba(46,104,185,.10)}
.assignment-kind-tab small{min-width:23px;padding:2px 6px;border-radius:999px;background:rgba(30,72,115,.08);font-size:11px;font-weight:800}
.assignment-kind-tab:focus-visible,.assignment-worksheet-create:focus-visible{outline:3px solid #3275cf;outline-offset:2px}
.assignment-worksheet-actions{display:flex;flex-wrap:wrap;align-items:center;gap:5px 12px;padding:9px 12px;margin:0 0 13px;border:1px solid #d8e8f5;border-radius:13px;background:#f5faff}
.assignment-worksheet-create{display:inline-flex;align-items:center;min-height:42px;color:#1462b0;font-weight:850;text-decoration:underline;text-underline-offset:3px}
.assignment-kind-description{color:#5b7086;font-size:12px;line-height:1.4}
.assignment-worksheet-empty strong{display:block;margin-bottom:5px;color:#244b76}
.assignment-worksheet-empty p{margin:4px auto 0;max-width:360px;line-height:1.5}
@media(max-width:620px){
 .assignment-kind-tabs{gap:8px;margin:4px 0 9px}
 .assignment-kind-tab{min-height:54px;padding:8px 6px;font-size:13px;line-height:1.35}
 .assignment-worksheet-actions{margin-bottom:9px;padding:7px 10px}
 .assignment-kind-description{font-size:11px}
 .assignment-sheet .assignment-hint{font-size:13px;line-height:1.4}
}
.assignment-subject-filters{display:flex;gap:8px;overflow-x:auto;padding:2px 1px 5px;scrollbar-width:none}.assignment-subject-filters::-webkit-scrollbar{display:none}
.assignment-subject-chip{display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;min-height:42px;padding:8px 13px;border:1px solid var(--ll-line);border-radius:999px;background:#fff;color:#42516a;font-weight:850;cursor:pointer}
.assignment-subject-chip.active{border-color:var(--ll-blue);background:#edf5ff;color:var(--ll-navy)}.assignment-subject-chip .ll-icon{font-size:16px}
.assignment-search{width:100%;min-height:50px;margin-top:9px;padding:10px 14px;border:1px solid #cbdbe9;border-radius:15px;background:#f9fbfe;color:var(--ll-ink);outline:none}
.assignment-search:focus{border-color:var(--ll-blue);box-shadow:0 0 0 4px rgba(25,118,210,.10)}
.assignment-activity-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:10px}
.assignment-activity-choice{display:grid;grid-template-columns:42px minmax(0,1fr) 24px;align-items:center;gap:10px;min-height:74px;padding:11px 12px;border:1px solid #dce4ef;border-radius:17px;background:#fff;color:#1f2b42;text-align:left;cursor:pointer}
.assignment-activity-choice:hover,.assignment-activity-choice:focus-visible{border-color:#9bbfe8;background:#f8fbff}
.assignment-activity-choice.selected{border:2px solid var(--ll-blue);background:#f1f7ff;box-shadow:0 8px 20px rgba(25,118,210,.10)}
.assignment-choice-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#eef5fc;color:var(--ll-blue);font-size:19px}
.assignment-activity-choice strong{display:block;font-size:14px;line-height:1.35;overflow-wrap:anywhere}
.assignment-activity-choice small{display:block;margin-top:3px;color:var(--ll-muted);font-size:11px}
.assignment-choice-check{justify-self:end;color:var(--ll-blue);font-size:20px;font-weight:900}
.assignment-empty{grid-column:1/-1;padding:18px;border:1px dashed #cfd9e7;border-radius:16px;color:var(--ll-muted);text-align:center}
.assignment-more{width:100%;margin-top:10px}
.assignment-quick.picker-ready #activitySelect{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.assignment-sheet .assignment-actions{position:sticky;bottom:-24px;z-index:4;display:grid!important;grid-template-columns:1.3fr .7fr;gap:10px;margin:18px -26px -24px;padding:14px 26px 24px;background:linear-gradient(180deg,rgba(255,255,255,.78),#fff 28%);border-top:1px solid #edf1f6}
.assignment-sheet .assignment-actions .button{min-height:56px;border-radius:16px;font-size:16px}
.worksheet-studio-launchpad{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.worksheet-launch-copy h2{margin:0;color:var(--ll-navy)}.worksheet-launch-actions{display:flex;gap:8px}.worksheet-launch-primary,.worksheet-launch-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 12px;border-radius:12px;text-decoration:none;font-weight:850}.worksheet-launch-primary{background:var(--ll-blue);color:#fff}.worksheet-launch-secondary{border:1px solid var(--ll-line);background:#fff;color:var(--ll-navy)}
.toast{position:fixed;pointer-events:none;left:50%;bottom:20px;z-index:200;transform:translateX(-50%);max-width:min(520px,calc(100% - 30px));padding:10px 14px;border-radius:12px;background:#17324d;color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.18)}
.print-pass-card{display:none}
@media print{.print-pass-card{display:block}.topbar,.shell,.toast{display:none!important}}

/* Shared responsive */
@media(max-width:980px){
  .student-nav,.teacher-reference-nav{display:none}.app-shell,.shell{width:min(100% - 20px,var(--ll-content));margin-top:14px}
  #screenHome.student-home{grid-template-columns:1fr;grid-template-areas:"main" "rail"}.student-right-rail{position:static}
  .teacher-golden-top,.teacher-golden-main,.enrollment-golden-shell{grid-template-columns:1fr}.enrollment-subject-preview{grid-template-columns:repeat(2,1fr)}
  .teacher-golden-class-grid,.class-grid,.teacher-tool-grid,.action-grid,.stats-grid,.live-status-grid,.team-board-grid,.station-plan-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:680px){
  :root{--ll-tap:52px}.topbar,.teacher-reference-header{min-height:62px;padding:8px 10px;gap:8px}.brand{min-width:0}.brand-mark{width:40px;height:40px}.brand small{display:none}.top-actions .status-pill,.teacher-account-copy small{display:none}
  .top-actions.student-reference-actions,.enrollment-app .top-actions{display:none}.teacher-app .teacher-network-state,.teacher-app .teacher-account{display:none}.teacher-app .teacher-reference-actions{margin-left:auto;min-width:0}
  .rc56-login-hero{grid-template-columns:1fr;min-height:0}.student-login-hero-copy{padding:22px}.student-login-hero-art{min-height:170px}.student-login-hero-art img{max-height:190px}
  .gameos-world-grid,.world-grid,.activity-grid,.subject-grid,.student-grid,.teacher-golden-class-grid,.class-grid,.teacher-tool-grid,.action-grid,.stats-grid,.live-status-grid,.team-board-grid,.station-plan-grid{grid-template-columns:1fr}
  .enrollment-hero{min-height:320px;padding:22px 18px}.enrollment-hero:after{right:-6%;bottom:4%;font-size:50px}.enrollment-hero h1{font-size:38px}.enrollment-hero-copy{min-width:0}.reward-bar{grid-template-columns:repeat(3,1fr)}.student-reward-showcase{grid-template-columns:1fr}.enrollment-subject-preview{grid-template-columns:1fr 1fr}.entry-mode-switch{grid-template-columns:1fr}
  .teacher-golden-hero{min-height:190px;padding:18px}.teacher-golden-copy h1{font-size:34px}.teacher-cockpit-context.selected-class,.daily-command-center,.worksheet-studio-launchpad{grid-template-columns:1fr}.worksheet-launch-actions{display:grid;grid-template-columns:1fr;width:100%}.worksheet-launch-actions>a{width:100%;min-width:0}
  .form-grid,.advanced-grid,.assignment-activity-choices{grid-template-columns:1fr}.span-2{grid-column:auto}
}
@media(max-width:680px){
  .assignment-backdrop{background:rgba(8,25,52,.32)}
  .assignment-sheet{left:0;right:0;top:auto;bottom:0;width:100%;max-height:90dvh;transform:none;padding:20px 18px;border-radius:28px 28px 0 0}
  .assignment-sheet .section-heading{position:sticky;top:-20px;z-index:5;margin:-20px -18px 10px;padding:20px 18px 12px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid #eef2f7}
  .assignment-quick-grid{grid-template-columns:1fr}.assignment-optional,.assignment-when{grid-column:1;grid-row:auto}.assignment-optional{display:none}
  .assignment-subject-filters{margin-inline:-2px;padding-bottom:7px}.assignment-subject-chip{min-height:46px}.assignment-search{min-height:54px;font-size:16px}
  .assignment-activity-choices{grid-template-columns:1fr}.assignment-activity-choice{min-height:78px;padding:12px}.assignment-activity-choice strong{font-size:15px}.assignment-more{min-height:52px}
  .assignment-sheet .assignment-actions{bottom:-20px;grid-template-columns:1fr;margin:16px -18px -20px;padding:12px 18px max(18px,env(safe-area-inset-bottom))}
  .assignment-sheet .assignment-actions .button{min-height:58px}.assignment-sheet .assignment-actions .ghost{order:2;background:transparent}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(prefers-contrast:more){:root{--ll-line:#91a7bb;--ll-muted:#425a70}.card,.hero-card,.activity-stage,.context-card,.student-card,.world-card,.class-card{box-shadow:none}}

/* KRUART Premium Interaction Feedback v1 */
:root{
  --kruart-feedback-accent:var(--accent,var(--primary,var(--brand-accent,#ff7a1a)));
  --kruart-feedback-ink:var(--text,var(--ink,#10284b));
  --kruart-feedback-surface:rgba(255,255,255,.92);
}
.kruart-ui-progress{
  position:fixed;z-index:2147483646;top:0;left:0;right:0;height:3px;
  overflow:hidden;pointer-events:none;opacity:0;transition:opacity .16s ease;
}
.kruart-ui-progress>span{
  display:block;width:34%;height:100%;border-radius:999px;
  background:linear-gradient(90deg,transparent,var(--kruart-feedback-accent),transparent);
  box-shadow:0 0 18px color-mix(in srgb,var(--kruart-feedback-accent) 55%,transparent);
  transform:translateX(-120%);
}
:root[data-ui-loading="true"] .kruart-ui-progress{opacity:1}
:root[data-ui-loading="true"] .kruart-ui-progress>span{animation:kruart-progress 1.05s cubic-bezier(.4,0,.2,1) infinite}
.kruart-ui-status{
  position:fixed;z-index:2147483647;top:calc(env(safe-area-inset-top,0px) + 12px);left:50%;
  display:flex;align-items:center;gap:9px;max-width:min(88vw,360px);
  padding:9px 14px;border:1px solid color-mix(in srgb,var(--kruart-feedback-accent) 18%,#dbe8f4);
  border-radius:999px;background:var(--kruart-feedback-surface);color:var(--kruart-feedback-ink);
  box-shadow:0 12px 36px rgba(16,40,75,.16),0 2px 10px rgba(16,40,75,.08);
  backdrop-filter:blur(18px) saturate(1.25);-webkit-backdrop-filter:blur(18px) saturate(1.25);
  font:700 13px/1.2 system-ui,-apple-system,"Noto Sans Thai",sans-serif;
  opacity:0;pointer-events:none;transform:translate(-50%,-8px) scale(.98);
  transition:opacity .18s ease,transform .22s cubic-bezier(.2,.8,.2,1);
}
:root[data-ui-status="true"] .kruart-ui-status{opacity:1;transform:translate(-50%,0) scale(1)}
.kruart-ui-spinner{
  width:14px;height:14px;flex:0 0 14px;border-radius:50%;
  border:2px solid color-mix(in srgb,var(--kruart-feedback-accent) 22%,transparent);
  border-top-color:var(--kruart-feedback-accent);animation:kruart-spin .72s linear infinite;
}
button,a,[role="button"],input[type="submit"],input[type="button"]{
  -webkit-tap-highlight-color:transparent;
}
.kruart-ui-pressed{
  scale:.985;opacity:.92;filter:saturate(.96) brightness(.985);
  transition:scale .09s ease,opacity .09s ease,filter .09s ease!important;
}
button[data-ui-busy="true"],a[data-ui-busy="true"],[role="button"][data-ui-busy="true"],input[data-ui-busy="true"]{
  position:relative;cursor:progress!important;pointer-events:none;
}
button[data-ui-busy="true"]::after,a[data-ui-busy="true"]::after,[role="button"][data-ui-busy="true"]::after{
  content:"";display:inline-block;width:12px;height:12px;margin-inline-start:8px;vertical-align:-1px;
  border:2px solid color-mix(in srgb,currentColor 24%,transparent);border-top-color:currentColor;border-radius:50%;
  animation:kruart-spin .72s linear infinite;
}
@keyframes kruart-spin{to{transform:rotate(360deg)}}
@keyframes kruart-progress{0%{transform:translateX(-120%)}55%{transform:translateX(155%)}100%{transform:translateX(310%)}}
@media(max-width:560px){
  .kruart-ui-status{top:calc(env(safe-area-inset-top,0px) + 8px);padding:8px 12px;font-size:12px}
}
@media(prefers-reduced-motion:reduce){
  .kruart-ui-progress,.kruart-ui-status,.kruart-ui-pressed{transition:none!important}
  .kruart-ui-progress>span,.kruart-ui-spinner,button[data-ui-busy="true"]::after,a[data-ui-busy="true"]::after,[role="button"][data-ui-busy="true"]::after{animation-duration:1.8s}
}


/* Teacher Workspace RC65 — action-first home, one layer at a time */
.teacher-workspace-hero{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.85fr);gap:18px;align-items:center;
  padding:22px;border:1px solid var(--ll-line);border-radius:22px;
  background:linear-gradient(135deg,#fff 0%,#f4f9ff 58%,#fff7ec 100%);box-shadow:var(--ll-shadow)
}
.teacher-workspace-greeting h1{margin:2px 0 5px;color:var(--ll-navy);font-size:clamp(28px,3.6vw,42px);line-height:1.08;letter-spacing:-.025em}
.teacher-workspace-greeting h1 span{color:var(--ll-blue)}.teacher-workspace-greeting>p:not(.eyebrow){margin:0;color:var(--ll-muted)}
.teacher-hero-metrics{display:flex;gap:8px;margin-top:14px}.teacher-hero-metrics>span{min-width:92px;padding:8px 11px;border:1px solid #dce8f2;border-radius:13px;background:rgba(255,255,255,.82)}
.teacher-hero-metrics strong,.teacher-hero-metrics small{display:block}.teacher-hero-metrics strong{color:var(--ll-navy);font-size:18px}.teacher-hero-metrics small{color:var(--ll-muted);font-size:10px}
.teacher-primary-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.teacher-primary-action{min-height:104px;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:14px;border-radius:17px;text-decoration:none;border:1px solid #d5e4ef;background:#fff;color:var(--ll-navy);box-shadow:0 6px 18px rgba(23,50,77,.06)}
.teacher-primary-action.create{background-color:#123b6d;background-image:linear-gradient(145deg,#123b6d,#2879b8);border-color:#123b6d;color:#fff}.teacher-primary-action>span{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:rgba(255,255,255,.16);font-size:19px}.teacher-primary-action.review>span{background:#eaf6ef;color:var(--ll-good)}
.teacher-primary-action div{min-width:0}.teacher-primary-action strong,.teacher-primary-action small{display:block}.teacher-primary-action strong{font-size:15px}.teacher-primary-action small{margin-top:2px;color:inherit;opacity:.72;font-size:10px;line-height:1.35}.teacher-primary-action>b{font-size:22px;font-weight:500}
.teacher-overview-grid{display:grid;grid-template-columns:minmax(300px,.72fr) minmax(0,1.28fr);gap:14px;align-items:start}.teacher-overview-grid>.card{margin:0}.teacher-overview-grid .teacher-today-card,.teacher-overview-grid .teacher-classroom-panel{padding:14px}
.teacher-overview-grid .teacher-classroom-panel{border:1px solid var(--ll-line);border-radius:18px;background:#fff;box-shadow:0 5px 16px rgba(23,50,77,.05)}
.teacher-overview-grid .teacher-golden-class-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-overview-grid .class-card{min-height:108px;padding:12px}.teacher-overview-grid .class-card-art{display:none}
.teacher-action-strip{padding:14px}.teacher-action-strip-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:10px}.teacher-action-strip-head h2{margin:0;color:var(--ll-navy)}.teacher-action-strip-head>span{color:var(--ll-muted);font-size:11px}
.teacher-action-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.teacher-action-grid>button{min-height:58px;display:flex;align-items:center;justify-content:flex-start;gap:9px;padding:9px 11px;border:1px solid var(--ll-line);border-radius:13px;background:#f8fbfe;color:var(--ll-navy);font:inherit;font-weight:850;cursor:pointer;text-align:left}.teacher-action-grid>button:hover{border-color:#a9cce8;background:#eef7ff}.teacher-action-grid>button>span{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#eaf3fb;color:var(--ll-blue);font-size:15px}.teacher-action-grid strong{font-size:12px;line-height:1.25}
.teacher-more-tools{margin-top:8px}.teacher-more-tools>summary{cursor:pointer;color:var(--ll-blue);font-size:11px;font-weight:850}.teacher-more-tools>div{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.teacher-more-tools button,.teacher-more-tools a{min-height:38px;padding:7px 10px;border:1px solid var(--ll-line);border-radius:10px;background:#fff;color:var(--ll-navy);font:inherit;font-size:11px;font-weight:800;text-decoration:none;cursor:pointer}
.teacher-insights-collapsible{border:1px solid var(--ll-line);border-radius:18px;background:#fff;box-shadow:0 5px 16px rgba(23,50,77,.05);overflow:hidden}.teacher-insights-collapsible>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;cursor:pointer;list-style:none}.teacher-insights-collapsible>summary::-webkit-details-marker{display:none}.teacher-insights-collapsible>summary span{display:grid;gap:1px}.teacher-insights-collapsible>summary strong{color:var(--ll-navy)}.teacher-insights-collapsible>summary small{color:var(--ll-muted);font-size:10px}.teacher-insights-collapsible>summary>b{color:var(--ll-blue);font-size:11px}.teacher-insights-collapsible[open]>summary{border-bottom:1px solid var(--ll-line)}
.teacher-insights-collapsible .teacher-golden-insights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:12px}.teacher-insights-collapsible .teacher-golden-insights>.card{margin:0;box-shadow:none}
.teacher-context-settings{margin-top:8px}.teacher-context-settings>summary{cursor:pointer;color:var(--ll-muted);font-size:10px;font-weight:800}.teacher-context-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}.teacher-context-grid>button{grid-column:1/-1}
/* Teacher bootstrap: never paint overview before the restored classroom has resolved. */
.teacher-view-loading{display:none}
body.teacher-view-pending #teacherHome > :not(#teacherViewLoading){display:none!important}
body.teacher-view-pending #teacherViewLoading{display:flex;gap:12px;align-items:center;min-height:116px;padding:18px;color:var(--ll-navy)}
.teacher-view-loading-icon{display:grid;place-items:center;flex:none;width:44px;height:44px;border-radius:13px;background:#eaf5ff;color:var(--ll-blue);font-size:21px}
.teacher-view-loading strong,.teacher-view-loading small{display:block}
.teacher-view-loading small{margin-top:4px;color:var(--ll-muted);font-size:12px}
body:not(.teacher-workspace-focus) #classWorkspace{display:none!important}
body.teacher-workspace-focus .teacher-workspace-hero,body.teacher-workspace-focus .teacher-overview-grid,body.teacher-workspace-focus #teacherTools,body.teacher-workspace-focus .teacher-insights-collapsible{display:none!important}
body.teacher-workspace-focus #classWorkspace{display:grid!important;gap:14px}
body.teacher-workspace-focus .teacher-inspiration-strip{display:none!important}

@media(max-width:980px){
  .teacher-workspace-hero{grid-template-columns:1fr}.teacher-overview-grid{grid-template-columns:1fr}.teacher-insights-collapsible .teacher-golden-insights{grid-template-columns:1fr}.teacher-action-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:680px){
  .teacher-app .shell{gap:10px;margin-top:10px}.teacher-workspace-hero{padding:14px;gap:12px;border-radius:18px}.teacher-workspace-greeting h1{font-size:26px}.teacher-workspace-greeting>p:not(.eyebrow){font-size:12px}.teacher-hero-metrics{margin-top:10px}.teacher-hero-metrics>span{padding:6px 9px}.teacher-hero-metrics strong{font-size:16px}
  .teacher-primary-actions{grid-template-columns:1fr 1fr;gap:7px}.teacher-primary-action{min-height:78px;grid-template-columns:auto 1fr;padding:10px;gap:8px;border-radius:14px}.teacher-primary-action>b,.teacher-primary-action small{display:none}.teacher-primary-action>span{width:32px;height:32px;font-size:16px}.teacher-primary-action strong{font-size:12px;line-height:1.25}
  .teacher-overview-grid .teacher-today-card,.teacher-overview-grid .teacher-classroom-panel{padding:12px}.teacher-today-card h2,.teacher-classroom-panel h2,.teacher-action-strip h2{font-size:17px}.teacher-today-card>header{grid-template-columns:auto 1fr auto}
  .teacher-overview-grid .teacher-golden-class-grid{display:grid!important;grid-template-columns:minmax(0,1fr);gap:8px;overflow:visible;scroll-snap-type:none;padding-bottom:0}.teacher-overview-grid .teacher-golden-class-grid>.class-card{min-width:0;width:100%;min-height:116px;scroll-snap-align:none}.teacher-overview-grid .class-progress-label{font-size:10px}
  .teacher-action-strip{padding:12px}.teacher-action-strip-head>span{display:none}.teacher-action-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.teacher-action-grid>button{min-height:52px;padding:8px}.teacher-action-grid strong{font-size:11px}
  .teacher-insights-collapsible>summary{padding:12px 13px}.teacher-insights-collapsible>summary>b{white-space:nowrap}
  .teacher-context-grid{grid-template-columns:1fr}.teacher-context-grid>button{grid-column:auto}
  .teacher-inspiration-strip{display:none!important}
}
@media(max-width:390px){
  .teacher-primary-action{grid-template-columns:1fr;text-align:center;justify-items:center}.teacher-primary-action>span{display:none}.teacher-action-grid>button{gap:6px}.teacher-action-grid>button>span{width:27px;height:27px}.teacher-overview-grid .teacher-golden-class-grid>.class-card{width:100%;min-width:0}
}


/* RC65 visual QA corrections */
.teacher-workspace-hero,.teacher-primary-actions,.teacher-primary-action,.teacher-overview-grid,.teacher-overview-grid>*{min-width:0}
.teacher-primary-action{overflow:hidden}
.teacher-overview-grid .teacher-classroom-panel{min-width:0;overflow:hidden}
.teacher-overview-grid .class-card{display:grid;gap:5px;text-align:left;align-content:start}
.teacher-overview-grid .class-card>strong{display:block;color:var(--ll-navy);font-size:15px;line-height:1.25}
.teacher-overview-grid .class-card-meta-line{display:flex;flex-wrap:wrap;gap:4px 9px;color:var(--ll-muted);font-size:10px}
.teacher-overview-grid .class-progress-label{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;color:var(--ll-muted);font-size:10px}
.teacher-overview-grid .class-progress-label b{color:var(--ll-navy);font-size:11px}.teacher-overview-grid .class-progress-track{display:block;height:5px;border-radius:999px;background:#e8eff5;overflow:hidden}.teacher-overview-grid .class-progress-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--ll-blue),var(--ll-orange))}
.today-time{font-weight:850;color:var(--ll-navy);line-height:1.05}.today-time small{display:block;margin-top:3px;color:var(--ll-muted);font-size:9px;font-weight:700}
@media(max-width:680px){
  html,body{overflow-x:hidden}.teacher-primary-actions{width:100%}.teacher-primary-action{width:100%;max-width:100%}
  .teacher-overview-grid{min-width:0;width:100%}.teacher-overview-grid .teacher-today-card,.teacher-overview-grid .teacher-classroom-panel{min-width:0;width:100%;overflow:hidden}
  .teacher-today-card .text-button{padding-inline:3px;font-size:10px}.teacher-today-card>header{gap:7px}
  .teacher-today-list{min-width:0}.today-row{min-width:0;grid-template-columns:48px 6px minmax(0,1fr) auto}.today-course{min-width:0}.today-course strong,.today-course small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .teacher-overview-grid .teacher-golden-class-grid{width:100%;max-width:100%}.teacher-overview-grid .teacher-golden-class-grid>.class-card{display:grid!important;flex:none;width:100%;min-width:0;max-width:100%}
}

@media(max-width:480px){
  .teacher-primary-actions{grid-template-columns:1fr}
  .teacher-primary-action{min-height:64px;grid-template-columns:auto 1fr auto;text-align:left;justify-items:stretch}
  .teacher-primary-action>span{display:grid}.teacher-primary-action>b{display:block}.teacher-primary-action small{display:none}
}


/* Teacher live-session overview escape hatch — RC66 */
.teacher-live-overview-banner{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:10px;align-items:center;padding:11px 13px;border-color:#bfe2cc;background:#f1fbf5;box-shadow:0 5px 16px rgba(23,50,77,.05)}
.teacher-live-overview-banner.hidden{display:none!important}.teacher-live-overview-dot{width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:#dff4e7;color:var(--ll-good);font-size:13px}
.teacher-live-overview-banner strong,.teacher-live-overview-banner small{display:block}.teacher-live-overview-banner strong{color:#145d41;font-size:13px}.teacher-live-overview-banner small{margin-top:1px;color:#567566;font-size:10px}.teacher-live-overview-banner .button{min-height:40px;padding:7px 11px}
@media(max-width:480px){.teacher-live-overview-banner{grid-template-columns:auto minmax(0,1fr)}.teacher-live-overview-banner .button{grid-column:1/-1;width:100%}}


/* LearnLab UX Consolidation RC68 — one clear workflow per role */
.teacher-class-focus{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 16px;border-radius:18px;background:linear-gradient(135deg,#fff,#f7fbff);box-shadow:0 5px 16px rgba(23,50,77,.05)}
.teacher-class-focus-main{display:flex;align-items:center;gap:14px;min-width:0}
.teacher-class-focus-copy{min-width:0}.teacher-class-focus-copy h2{margin:2px 0 3px;color:var(--ll-navy);font-size:clamp(22px,3vw,30px);line-height:1.1}.teacher-class-focus-copy p{margin:0;color:var(--ll-muted);font-size:11px}
.teacher-class-focus-count{min-width:74px;padding:8px 10px;border:1px solid #dce8f2;border-radius:12px;background:#f8fbfe;text-align:center}.teacher-class-focus-count strong,.teacher-class-focus-count small{display:block}.teacher-class-focus-count strong{color:var(--ll-navy);font-size:20px}.teacher-class-focus-count small{color:var(--ll-muted);font-size:9px}
.teacher-teach-now{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;padding:16px 18px;border-radius:18px;border:1px solid #d8e7f4;background:#fff;box-shadow:0 5px 16px rgba(23,50,77,.05)}
.teacher-teach-now-copy h2{margin:2px 0 4px;color:var(--ll-navy);font-size:22px}.teacher-teach-now-copy p{margin:0;color:var(--ll-muted);font-size:11px}.teacher-teach-now-copy small{display:block;margin-top:5px;color:#7b8da0;font-size:9px}
.teacher-teach-actions{display:grid;grid-template-columns:repeat(2,minmax(140px,1fr));gap:7px;min-width:min(520px,50vw)}.teacher-teach-actions .button{min-height:44px;border-radius:11px;font-size:11px}.teacher-action-main{grid-column:1/-1}
.teacher-class-tools{border:1px solid var(--ll-line);border-radius:16px;background:#fff;box-shadow:0 4px 14px rgba(23,50,77,.04);overflow:hidden}.teacher-class-tools>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;cursor:pointer;list-style:none}.teacher-class-tools>summary::-webkit-details-marker{display:none}.teacher-class-tools>summary span{display:grid;gap:1px}.teacher-class-tools>summary strong{color:var(--ll-navy);font-size:12px}.teacher-class-tools>summary small{color:var(--ll-muted);font-size:9px}.teacher-class-tools>summary>b{color:var(--ll-blue);font-size:10px}.teacher-class-tools[open]>summary{border-bottom:1px solid var(--ll-line);background:#f9fcff}
.teacher-class-tools-body{display:grid;gap:10px;padding:12px}.teacher-access-compact,.teacher-device-compact{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px;border:1px solid #e0eaf2;border-radius:13px;background:#fbfdff}.teacher-access-compact h3{margin:1px 0 3px;color:var(--ll-navy);font-size:14px}.teacher-access-compact .student-access-url{font-size:10px}
.teacher-device-stats{display:flex;gap:7px}.teacher-device-stats span{min-width:82px;padding:7px 9px;border-radius:11px;background:#f0f6fb;text-align:center}.teacher-device-stats strong,.teacher-device-stats small{display:block}.teacher-device-stats strong{color:var(--ll-navy);font-size:17px}.teacher-device-stats small{color:var(--ll-muted);font-size:8px}
.teacher-device-compact .device-pool-switch{margin:0;padding:8px 10px;border-radius:11px}.teacher-device-compact .device-pool-switch strong{font-size:10px}.teacher-device-compact .device-pool-switch small{font-size:8px}.teacher-device-compact .device-pool-switch .button{min-height:34px;font-size:9px}
.teacher-advanced-actions{display:flex;flex-wrap:wrap;gap:7px}.teacher-advanced-actions .button{min-height:38px;font-size:10px}.teacher-device-enroll{border-top:1px dashed #dbe5ee;padding-top:8px}.teacher-device-enroll>summary{cursor:pointer;color:var(--ll-blue);font-size:10px;font-weight:850}
.teacher-assignment-panel{padding:15px 16px!important;margin-top:0!important}.teacher-assignment-panel .section-heading{margin:0 0 10px!important}.teacher-assignment-panel .section-heading h2{font-size:19px!important}.teacher-assignment-head-actions{display:flex;gap:5px}.teacher-assignment-head-actions .button{min-height:34px;padding:5px 9px;font-size:9px}
.teacher-assignment-item{padding:11px 12px!important;border-radius:12px!important;background:#fff}.teacher-assignment-panel .assignment-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.teacher-assignment-item{border:1px solid #e1eaf1!important;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.teacher-assignment-item .teacher-review-assignment{min-height:44px;padding:7px 12px;font-size:12px;font-weight:850;flex:none}.teacher-assignment-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.teacher-assignment-title h3{font-size:13px!important}.teacher-assignment-item p{font-size:12px!important;line-height:1.5}.teacher-assignment-item .status{font-size:11px;padding:4px 7px}.teacher-assignment-empty{display:grid;gap:2px;padding:16px;border:1px dashed #cfdde8;border-radius:12px;background:#f9fcff;text-align:center}.teacher-assignment-empty strong{color:var(--ll-navy);font-size:12px}.teacher-assignment-empty small{color:var(--ll-muted);font-size:9px}
.teacher-class-tools .advanced-grid{padding:10px 0 0}.teacher-class-tools .advanced-item{box-shadow:none}

/* Student: teacher work first, self-choice second, progress on demand */
#screenHome.student-home .student-main-column{display:flex;flex-direction:column;gap:12px}
#screenHome.student-home #assignmentSection{order:-3;padding:14px;border:1px solid #cfe3f2;border-radius:18px;background:linear-gradient(135deg,#fff,#f5fbff);box-shadow:0 5px 16px rgba(23,50,77,.05)}
#screenHome.student-home #assignmentSection .section-heading{margin:0 0 9px}
#screenHome.student-home #assignmentSection h2{font-size:20px}.assignment-card{border-color:#d5e6f3!important;background:#fff!important}.assignment-card .meta .chip{background:#eaf5ff!important;color:#1769a6!important}.assignment-card button{background:var(--ll-blue)!important;color:#fff!important;border:0!important}
#screenHome.student-home .student-golden-hero{display:none!important}
#screenHome.student-home .gameos-world-hub{order:0;margin:0;padding:14px;border:1px solid #dce8f2;border-radius:18px;background:#fff;color:var(--ll-navy);box-shadow:0 5px 16px rgba(23,50,77,.05)}
#screenHome.student-home .gameos-world-head p{color:var(--ll-blue);font-weight:850}#screenHome.student-home .gameos-world-head h2{color:var(--ll-navy)}
#screenHome.student-home:not(.show-all-activities) .student-subject-section,#screenHome.student-home:not(.show-all-activities) .student-activities-section{display:none!important}
.student-extra-panel{order:20;border:1px solid var(--ll-line);border-radius:16px;background:#fff;overflow:hidden}.student-extra-panel>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;cursor:pointer;list-style:none}.student-extra-panel>summary::-webkit-details-marker{display:none}.student-extra-panel>summary span{display:grid;gap:1px}.student-extra-panel>summary strong{color:var(--ll-navy);font-size:12px}.student-extra-panel>summary small{color:var(--ll-muted);font-size:9px}.student-extra-panel>summary>b{color:var(--ll-blue);font-size:10px}.student-extra-panel[open]>summary{border-bottom:1px solid var(--ll-line)}
.student-extra-panel .student-reference-lower{padding:12px}.student-idea-strip{display:none!important}
.golden-recommended-panel{border-color:#d9e7f1!important;background:linear-gradient(135deg,#fff,#f8fbff)!important}.golden-recommended-panel .mission-primary-action{background:var(--ll-blue)!important}
.student-home-top{box-shadow:0 4px 14px rgba(23,50,77,.04)!important}.journey-progress-card{box-shadow:0 4px 14px rgba(23,50,77,.04)!important}

@media(max-width:820px){
  .teacher-assignment-panel .assignment-list{grid-template-columns:1fr}
  .teacher-class-focus{align-items:flex-start}.teacher-class-focus-main{flex:1}.teacher-teach-now{grid-template-columns:1fr}.teacher-teach-actions{min-width:0;width:100%;grid-template-columns:1fr 1fr}.teacher-class-tools-body{padding:10px}.teacher-access-compact,.teacher-device-compact{grid-template-columns:1fr}.teacher-device-stats{width:100%}.teacher-device-stats span{flex:1}
  #screenHome.student-home{grid-template-columns:1fr;grid-template-areas:"main" "rail";gap:10px}
  #screenHome.student-home>.student-main-column{grid-area:main;display:flex!important;flex-direction:column!important;gap:10px!important}
  #screenHome.student-home>.student-right-rail{grid-area:rail;display:grid!important;position:static!important;gap:8px!important}
  #screenHome.student-home #assignmentSection,#screenHome.student-home .golden-recommended-panel,#screenHome.student-home .gameos-world-hub,#screenHome.student-home .journey-progress-card,#screenHome.student-home .student-extra-panel{width:100%!important;max-width:none!important;align-self:stretch!important}
  .student-home-top{padding:12px}.student-golden-hero{display:none!important}
}
@media(max-width:520px){
  #screenHome.student-home .gameos-world-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}
  .teacher-class-focus{display:grid;padding:12px}.teacher-class-focus-main{justify-content:space-between}.teacher-class-focus-copy h2{font-size:23px}.teacher-class-focus-count{min-width:66px}.selected-class-actions{width:100%}.selected-class-actions .button{flex:1}
  .teacher-teach-now{padding:13px}.teacher-teach-now-copy h2{font-size:19px}.teacher-teach-actions{grid-template-columns:1fr 1fr}.teacher-teach-actions .button{min-height:42px;padding:7px 8px;font-size:10px}.teacher-action-main{grid-column:1/-1}
  .teacher-assignment-panel{padding:12px!important}.teacher-assignment-title{align-items:flex-start}.teacher-class-tools>summary{padding:11px 12px}
  #screenHome.student-home #assignmentSection{padding:12px;border-radius:15px}.student-right-rail{gap:8px}.student-home-top{display:none!important}.journey-progress-card{padding:11px!important}.golden-recommended-panel{padding:12px!important}.student-extra-panel{border-radius:14px}.gameos-world-hub{border-radius:15px!important;padding:12px!important}
}


/* Student entry consolidation: keep the Student Pass + Enter action visible
   on short phones. Reuse this canonical core, never re-enable legacy RC57 sheets. */
.enrollment-app .entry-mode small{color:#3c5168}
.enrollment-app .entry-intro{background-color:#fff}
.enrollment-app .entry-intro p{color:#3c5168}
@media(max-width:680px){
  .enrollment-app .app-shell.enrollment-golden-shell{gap:8px;margin-top:8px}
  .enrollment-app .enrollment-hero{min-height:0;padding:12px 16px;border-radius:14px}
  .enrollment-app .enrollment-hero:after{display:none}
  .enrollment-app .enrollment-hero h1{font-size:25px;line-height:1.15;margin:2px 0}
  .enrollment-app .enrollment-hero .eyebrow,.enrollment-app .enrollment-hero #entryHeroText,.enrollment-app .enrollment-hero .enrollment-teacher-badge{display:none}
  .enrollment-app .first-use-card{padding:12px}
  .enrollment-app .entry-mode-switch{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
  .enrollment-app .entry-mode{min-height:60px;padding:7px}
  .enrollment-app .entry-mode small{font-size:9px}
  .enrollment-app .teacher-workspace-entry{margin:5px 0;padding:8px;font-size:12px}
  .enrollment-app .entry-intro p{font-size:11px;margin:0}
  .enrollment-app .first-use-form{display:flex;flex-direction:column;gap:6px;margin-top:8px}
  .enrollment-app .first-use-help{font-size:11px;margin:0}
  .enrollment-app .first-use-advanced{order:2}
  .enrollment-app #enrollSubmit{order:1}
}
@media(max-width:520px){
  #screenLogin .rc56-login-hero{display:grid;grid-template-columns:minmax(0,1fr) 80px;min-height:0}
  #screenLogin .student-login-hero-copy{min-width:0;padding:12px 14px}
  #screenLogin .student-login-hero-copy h1{font-size:24px;line-height:1.15;letter-spacing:0;margin:4px 0}
  #screenLogin .student-login-hero-copy .eyebrow,#screenLogin .student-login-hero-copy>p[data-presentation-welcome],#screenLogin .rc56-login-meta{display:none}
  #screenLogin .student-login-hero-art{min-height:0;padding:0 6px 0 0;align-self:stretch}
  #screenLogin .student-login-hero-art img{max-height:118px;width:100%;object-fit:contain}
  #screenLogin .learner-recovery-actions{margin-top:8px}
  #screenLogin .learner-recovery-actions a{padding:8px;font-size:11px;line-height:1.25}
}


/* Mobile learners need the actual three student-navigation actions after
   choosing an identity. Keep them absent from the unauthenticated login. */
@media(max-width:980px){
  body.student-app.student-home-active .topbar{flex-wrap:wrap}
  body.student-app.student-home-active .student-nav{display:flex;order:5;width:100%;gap:7px;align-items:center}
  body.student-app.student-home-active .student-nav button{flex:1;min-width:0;min-height:42px;padding:8px 6px;font-size:12px;text-align:center}
}

.student-nav .student-switch-button{display:none;min-height:42px;width:auto;margin:0;padding:8px 12px;font-size:12px;font-weight:850;white-space:nowrap;border:1px solid var(--ll-line);background:#fff;color:var(--ll-navy)}
body.student-app.student-home-active .student-nav .student-switch-button{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
@media(max-width:980px){body.student-app.student-home-active .student-nav .student-switch-button{min-width:0;padding:8px 7px;font-size:11px;white-space:normal;text-align:center}}

/* Shared KRUART/AWH Motion contract · feedback only, no hidden content or runtime. */
@media (prefers-reduced-motion:no-preference){
  .student-nav button,.teacher-reference-nav a,
  .world-card,.activity-card,.student-card,.class-card,
  .assignment-activity-choice,.assignment-subject-chip{
    transition:background-color var(--ll-motion-fast) ease,
      color var(--ll-motion-fast) ease,
      border-color var(--ll-motion-fast) ease,
      box-shadow var(--ll-motion-standard) var(--ll-motion-ease),
      transform var(--ll-motion-fast) var(--ll-motion-decelerate);
  }
  .button,.primary-button,.ghost-button,.text-button,
  .primary-action,.mission-primary-action{
    transition:background-color var(--ll-motion-fast) ease,
      box-shadow var(--ll-motion-standard) var(--ll-motion-ease),
      transform var(--ll-motion-fast) var(--ll-motion-ease);
  }
  .student-nav button:active,.world-card:active,.activity-card:active,
  .assignment-activity-choice:active{transform:scale(.988)}
}

/* Home entry follows central BAY tokens; physical pupil-card IDs are not credentials. */
.enrollment-app .student-pass-options{display:grid;gap:8px;margin:4px 0 10px}
.enrollment-app .student-scan-action{display:flex;align-items:center;gap:12px;width:100%;min-height:74px;padding:12px 14px;border:1px solid #176de5;border-radius:17px;background:#eaf5ff;color:#0b3d91;cursor:pointer;text-align:left;transition:background .14s ease,transform .14s ease}
.enrollment-app .student-scan-action>span:first-child{display:grid;place-items:center;flex:0 0 48px;height:48px;border-radius:13px;background:#fff;font-size:29px}
.enrollment-app .student-scan-action>span:nth-child(2){display:grid;gap:3px;flex:1;min-width:0}
.enrollment-app .student-scan-action strong{font-weight:850;font-size:17px}
.enrollment-app .student-scan-action small{font-size:12px;line-height:1.5;color:#536f8e}
.enrollment-app .student-scan-action>b{font-size:23px}
.enrollment-app .student-scan-action:focus-visible{outline:3px solid #176de5;outline-offset:3px}
.enrollment-app .student-scan-action:hover{background:#e0f1ff}
.enrollment-app .student-scan-action:disabled{opacity:.65;cursor:wait}
.enrollment-app .student-scanner{padding:12px;border:1px solid #c7dcec;border-radius:16px;background:#f7fbff}
.enrollment-app .student-scanner[hidden]{display:none!important}
.enrollment-app .student-scanner p{margin:0 0 10px;text-align:center;font-weight:700;color:#11325f;font-size:13px}
.enrollment-app .student-scanner video{display:block;width:100%;max-height:42dvh;min-height:180px;object-fit:cover;border-radius:12px;background:#142840}
.enrollment-app .student-scanner-controls{display:flex;justify-content:center;margin-top:10px}
.enrollment-app .student-scanner-controls button{min-height:44px;padding:9px 22px;border:1px solid #c7dcec;border-radius:12px;background:#fff;color:#11325f;cursor:pointer}
.enrollment-app .scanner-status{margin:0;font-size:12px;line-height:1.5;color:#0b3d91}
.enrollment-app .scanner-status:empty{display:none}
.enrollment-app .enrollment-device-settings{margin-top:12px;padding:9px 12px;border-top:1px solid #e2ebf4;color:#657d99}
.enrollment-app .enrollment-device-settings>summary{min-height:44px;display:list-item;padding:10px 0;font-size:12px;font-weight:750;cursor:pointer}
.enrollment-app .enrollment-device-settings .entry-mode-switch{margin-top:10px}
.enrollment-app .entry-intro{padding:0!important;border:0!important;background:transparent!important}
.enrollment-app .entry-intro strong{font-size:16px;color:#11325f}
.enrollment-app .entry-intro p{display:block!important;color:#657d99;font-size:13px;line-height:1.55;margin-top:4px}
.enrollment-app .first-use-code-input{font-size:19px;letter-spacing:0;text-align:left;padding-inline:16px}
.enrollment-app .enrollment-subject-preview{display:none}
.enrollment-app .teacher-workspace-entry{box-shadow:none!important;background:#fff!important;border-color:#dbe8f4!important}
.enrollment-app .teacher-workspace-entry small{color:#657d99!important}
.enrollment-app .first-use-technical{border-top:0!important}
.enrollment-app .enrollment-hero:after{content:none}
@media(max-width:700px){
 .enrollment-app .enrollment-golden-shell{gap:10px}
 .enrollment-app .enrollment-hero{min-height:108px!important;padding:16px!important}
 .enrollment-app .enrollment-hero-copy{width:100%;max-width:none}
 .enrollment-app .enrollment-hero h1{font-size:clamp(24px,7vw,30px)!important;line-height:1.2;margin:0}
 .enrollment-app .enrollment-hero .eyebrow{margin:0 0 5px;font-size:10px}
 .enrollment-app .enrollment-hero-copy p{margin:5px 0 0;font-size:12px}
 .enrollment-app .enrollment-teacher-badge{display:none}
 .enrollment-app .enrollment-golden-card{display:flex;flex-direction:column;gap:0;padding:18px!important;border-radius:20px}
 .enrollment-app #studentEntryIntro{order:0;margin-bottom:6px}
 .enrollment-app #studentQrEntry{order:1}
 .enrollment-app #enrollForm{order:2;margin-top:4px}
 .enrollment-app #enrollResult{order:3}
 .enrollment-app #classroomEntrySteps{order:4}
 .enrollment-app .enrollment-device-settings{order:5}
 .enrollment-app .teacher-workspace-entry{order:6;margin:9px 0 0!important}
 .enrollment-app .first-use-technical{order:7}
 .enrollment-app .first-use-help{font-size:11px}
 .enrollment-app .student-scan-action{min-height:78px}
 .enrollment-app .top-actions .first-use-teacher-entry{font-size:12px}
 .enrollment-app[data-entry-mode="classroom"] .enrollment-device-settings{order:0}
 .enrollment-app[data-entry-mode="classroom"] #classroomEntrySteps{order:1}
 .enrollment-app[data-entry-mode="classroom"] #enrollForm{order:2}
}
@media(prefers-reduced-motion:reduce){.enrollment-app .student-scan-action{transition:none}}

/* Local teacher-issued, time-limited Student Pass QR; no student-card master token. */
.student-pass-qr{display:flex;justify-content:center;align-items:center;margin:8px 0;padding:8px;background:#fff;border-radius:16px}
.student-pass-qr:empty,.print-pass-qr:empty{display:none}
.student-pass-qr svg{display:block;width:min(210px,80%);height:auto;max-height:230px}
.print-pass-qr{display:grid;place-items:center;margin:14px auto;background:#fff}
.print-pass-qr svg{width:min(240px,80%);height:auto;display:block}
@media print{
 .print-pass-qr{display:flex!important;justify-content:center!important;break-inside:avoid!important}
 .print-pass-qr svg{width:230px!important;height:230px!important;max-width:100%!important}
}

/* Favor restrained, school-branded surfaces over decorative hero blobs. */
.enrollment-app .enrollment-hero{background:#eaf5ff!important;box-shadow:none!important}
.enrollment-app .enrollment-hero:before,.enrollment-app .enrollment-hero:after{content:none!important}


/* Student assignment freshness uses the shared LearnLab shell, not another stylesheet. */
.assignment-heading-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.assignment-heading-actions #assignmentRefresh{display:inline-flex;align-items:center;justify-content:center;min-height:44px;min-width:76px;padding:8px 12px;border:1px solid #c7dcec;border-radius:12px;background:#fff;color:#0b3d91;font:inherit;font-size:13px;font-weight:750;cursor:pointer;transition:background .14s ease}
.assignment-heading-actions #assignmentRefresh:hover,.assignment-heading-actions #assignmentRefresh:focus-visible{background:#eaf5ff;border-color:#176de5}
.assignment-heading-actions #assignmentRefresh:focus-visible{outline:2px solid #176de5;outline-offset:2px}
.assignment-heading-actions #assignmentRefresh:disabled{opacity:.5;cursor:wait}
.assignment-freshness{font-size:12px;color:#536f8e;margin:0 0 9px;line-height:1.4}
@media(max-width:359px){.assignment-heading-actions{gap:4px}.assignment-heading-actions #assignmentRefresh{min-width:64px;padding:6px 8px}}
@media(prefers-reduced-motion:reduce){.assignment-heading-actions #assignmentRefresh{transition:none}}