:root{--bg:#f6f8fb;--surface:#fff;--surface-2:#eef2f7;--text:#172033;--muted:#66758f;--accent:#2563eb;--accent-2:#0ea5a4;--danger:#e11d48;--warning:#d97706;--border:#dbe3ee;--shadow:0 10px 30px #0f172a0f}*{box-sizing:border-box}html,body{background:radial-gradient(circle at top left, #2563eb14, transparent 28%), radial-gradient(circle at bottom right, #0ea5a414, transparent 24%), var(--bg);min-height:100%;color:var(--text);margin:0;padding:0;font-family:SF Pro Display,Segoe UI,sans-serif}body{min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button:not(:disabled){cursor:pointer}button:disabled{cursor:not-allowed}.page-shell{width:min(1220px,100% - 32px);margin:0 auto;padding:24px 0 48px}.glass{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px}.section-title{margin:0 0 8px;font-size:28px;line-height:1.1}.section-subtitle{color:var(--muted);margin:0}.grid{gap:18px;display:grid}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.admin-grid{align-items:start}.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.card{border:1px solid var(--border);background:var(--surface);border-radius:22px;padding:20px}.pill{background:var(--surface-2);color:var(--text);border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:13px;display:inline-flex}.status-finished{color:#92400e;background:#fef3c7}.status-draft,.status-ready,.status-waiting,.status-published{color:#1d4ed8;background:#dbeafe}.topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.brand{flex-direction:column;gap:6px;display:flex}.brand strong{letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-size:14px}.brand span{color:var(--muted)}.button{cursor:pointer;color:#fff;background:var(--accent);border:0;border-radius:16px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:12px 16px;transition:transform .18s,opacity .18s;display:inline-flex}.button:hover{transform:translateY(-1px)}.button.secondary{background:var(--surface-2);color:var(--text)}.button.success{color:#18834a;background:#dcfce7}.button.danger{color:#e11d48;background:#fff1f2;border:1px solid #fecdd3}.button:disabled{opacity:.55;cursor:not-allowed;transform:none}.input,.textarea,.select{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:14px;outline:none;padding:12px 14px}.textarea{resize:vertical;min-height:100px}.input:focus,.textarea:focus,.select:focus{border-color:#2563eb80}.form-stack{gap:12px;display:grid}.field-label{color:var(--muted);gap:6px;font-size:.9rem;font-weight:800;display:grid}.splash-stage{z-index:1000;color:#667085;background:radial-gradient(circle at 50% 42%,#fffffffa 0%,#f3f5f8 48%,#e9edf3 100%);justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0;overflow:hidden}.splash-scene{justify-content:center;align-items:center;width:min(980px,100%);height:390px;display:flex;position:relative}.splash-title{letter-spacing:-.065em;-webkit-user-select:none;user-select:none;opacity:0;will-change:transform, opacity;justify-content:center;align-items:baseline;font-size:clamp(52px,9vw,118px);font-weight:900;line-height:.9;animation:1.6s cubic-bezier(.22,1,.36,1) forwards splashIntroText,10ms linear 9s forwards splashHideTitle;display:flex;position:absolute;transform:translateY(0)scale(1)}.splash-letter{will-change:transform, opacity, filter;display:inline-block}.splash-quiz{color:#ffd650}.splash-arena{color:#667085}.splash-k{transform-origin:-28% 78%;z-index:2;animation:1s cubic-bezier(.16,1,.3,1) 2s forwards splashKCollide,1s cubic-bezier(.16,1,.3,1) 3s forwards splashKFall,1s cubic-bezier(.16,1,.3,1) 4s forwards splashKOverlap,3s cubic-bezier(.22,1,.36,1) 5s forwards splashFadeLetters}.splash-a-main{transform-origin:50% 58%;z-index:3;animation:1s cubic-bezier(.16,1,.3,1) 2s forwards splashACollide,1s cubic-bezier(.16,1,.3,1) 3s forwards splashAFall,1s cubic-bezier(.16,1,.3,1) 4s forwards splashAOverlap,3s cubic-bezier(.22,1,.36,1) 5s forwards splashFadeLetters}.splash-extra{animation:1s cubic-bezier(.22,1,.36,1) 1s forwards splashFadeExtra}.splash-no-gap{width:0;overflow:hidden}.splash-crown-mark{--splash-crown-x:-116px;--splash-crown-y:4px;--splash-crown-size:clamp(96px, 12vw, 138px);width:var(--splash-crown-size);opacity:0;height:auto;transform:translate(calc(-50% + var(--splash-crown-x)), calc(-50% + var(--splash-crown-y))) scale(.82);pointer-events:none;will-change:transform, opacity, filter;animation:3s cubic-bezier(.22,1,.36,1) 5s forwards splashCrownAppear;position:absolute;top:50%;left:50%}.splash-final-logo{opacity:0;pointer-events:none;will-change:opacity;align-items:center;animation:1.8s cubic-bezier(.22,1,.36,1) 9s forwards splashFinalAppear;display:flex;position:absolute;top:50%;left:50%;transform:translate(calc(95px - 50%),-50%)}.splash-wordmark{letter-spacing:-.065em;align-items:center;font-size:clamp(52px,9vw,118px);font-weight:900;line-height:.9;display:flex}.splash-word-quiz{color:#ffd650}.splash-word-arena{color:#667085}.splash-continue{color:#566174;letter-spacing:.01em;cursor:pointer;opacity:0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffc2;border:1px solid #66708529;border-radius:999px;padding:14px 22px;font-weight:800;animation:.9s cubic-bezier(.22,1,.36,1) 10.2s forwards splashContinueAppear,1.8s ease-in-out 11.1s infinite splashContinuePulse;position:fixed;bottom:clamp(28px,7vh,72px);left:50%;transform:translate(-50%)translateY(12px);box-shadow:0 14px 36px #5661741f}.splash-continue:hover{background:#ffffffeb;transform:translate(-50%)translateY(8px)}@keyframes splashIntroText{0%{opacity:0;transform:translateY(0)scale(1)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes splashFadeExtra{to{opacity:0;transform:translateY(14px)scale(.98)}}@keyframes splashKCollide{to{transform:translate(1.08em)scale(1.02)rotate(0)}}@keyframes splashACollide{to{transform:translate(-.44em)scale(1.02)rotate(0)}}@keyframes splashKFall{0%{transform:translate(1.08em)scale(1.02)rotate(0)}to{transform:translate(.98em,.41em)scale(1.04)rotate(-90deg)}}@keyframes splashAFall{0%{transform:translate(-.44em)scale(1.02)rotate(0)}to{transform:translate(-.44em)scale(1.02)rotate(0)}}@keyframes splashKOverlap{0%{transform:translate(.98em,.41em)scale(1.04)rotate(-90deg)}to{transform:translate(.98em,.41em)scale(1.04)rotate(-90deg)}}@keyframes splashAOverlap{0%{transform:translate(-.44em)scale(1.02)rotate(0)}to{transform:translate(-2.06em)scale(1.06)rotate(0)}}@keyframes splashFadeLetters{to{opacity:0;filter:none}}@keyframes splashCrownAppear{to{opacity:1;transform:translate(calc(-50% + var(--splash-crown-x)), calc(-50% + var(--splash-crown-y))) scale(1);filter:none}}@keyframes splashHideTitle{to{opacity:0;visibility:hidden}}@keyframes splashFinalAppear{0%{opacity:0}to{opacity:1}}@keyframes splashContinueAppear{to{opacity:1;transform:translate(-50%)translateY(0)}}@keyframes splashContinuePulse{0%,to{box-shadow:0 14px 36px #5661741f}50%{box-shadow:0 18px 48px #ffd65052}}@media (max-width:640px){.splash-scene{height:330px}.splash-k{animation:1s cubic-bezier(.16,1,.3,1) 2s forwards splashKCollideMobile,1s cubic-bezier(.16,1,.3,1) 3s forwards splashKFallMobile,1s cubic-bezier(.16,1,.3,1) 4s forwards splashKOverlapMobile,3s cubic-bezier(.22,1,.36,1) 5s forwards splashFadeLetters}.splash-a-main{animation:1s cubic-bezier(.16,1,.3,1) 2s forwards splashACollideMobile,1s cubic-bezier(.16,1,.3,1) 3s forwards splashAFallMobile,1s cubic-bezier(.16,1,.3,1) 4s forwards splashAOverlapMobile,3s cubic-bezier(.22,1,.36,1) 5s forwards splashFadeLetters}.splash-crown-mark{--splash-crown-x:-74px;--splash-crown-y:4px;--splash-crown-size:clamp(92px, 24vw, 124px)}.splash-final-logo{transform:translate(calc(64px - 50%),-50%)}}@keyframes splashKCollideMobile{to{transform:translate(.94em)scale(1.02)rotate(0)}}@keyframes splashACollideMobile{to{transform:translate(-.4em)scale(1.02)rotate(0)}}@keyframes splashKFallMobile{0%{transform:translate(.94em)scale(1.02)rotate(0)}to{transform:translate(.84em,.34em)scale(1.04)rotate(-90deg)}}@keyframes splashAFallMobile{0%{transform:translate(-.4em)scale(1.02)rotate(0)}to{transform:translate(-.4em)scale(1.02)rotate(0)}}@keyframes splashKOverlapMobile{0%{transform:translate(.84em,.34em)scale(1.04)rotate(-90deg)}to{transform:translate(.84em,.34em)scale(1.04)rotate(-90deg)}}@keyframes splashAOverlapMobile{0%{transform:translate(-.4em)scale(1.02)rotate(0)}to{transform:translate(-1.72em)scale(1.06)rotate(0)}}@media (prefers-reduced-motion:reduce){.splash-title,.splash-letter,.splash-crown-mark,.splash-final-logo,.splash-continue{animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:.01ms!important}.splash-title{opacity:0;visibility:hidden}.splash-crown-mark,.splash-final-logo,.splash-continue{opacity:1}}.scenario-shell{width:min(1180px,100% - 32px);min-height:100vh;margin:0 auto;padding:48px 0 64px}.scenario-hero{padding:16px 0 24px}.scenario-title{max-width:900px;margin-top:18px;font-size:clamp(40px,6vw,68px)}.brand-hero{justify-items:center;padding-top:8px;padding-bottom:36px;display:grid}.brand-lockup{flex-wrap:wrap;justify-content:center;align-items:center;gap:0;display:flex}.brand-mark{width:min(126px,26vw);height:auto;display:block}.brand-wordmark{letter-spacing:-.04em;flex-wrap:wrap;align-items:baseline;gap:.02em;margin:0;font-size:clamp(46px,7vw,70px);font-weight:900;line-height:.95;display:flex}.scenario-qr-section{justify-content:center;margin-top:32px;display:flex}.scenario-qr-image{background:#fff;border-radius:20px;width:180px;height:180px;padding:12px;box-shadow:inset 0 0 0 1px #15203314}.brand-wordmark-quiz{color:#ffd54f}.brand-wordmark-arena{color:#5f697d}.brand-subtitle{color:#97a1b3;margin:0;font-size:clamp(20px,2.6vw,30px);font-weight:800;line-height:1.1}.scenario-subtitle{max-width:720px;margin-top:18px;font-size:18px}.scenario-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.scenario-auth-layout{justify-content:center;display:flex}.scenario-auth-card{gap:18px;width:min(500px,100%);display:grid}.scenario-auth-head{gap:14px;display:grid}.scenario-auth-toolbar{justify-content:space-between;align-items:center;gap:14px;display:flex}.scenario-card{align-content:start;justify-items:start;gap:22px;min-height:240px;display:grid}.scenario-card-compact{min-height:0}.scenario-card-top{justify-content:space-between;align-items:center;gap:14px;width:100%;display:flex}.scenario-card h2{margin:0;font-size:28px}.scenario-card p{color:var(--muted);margin:0;line-height:1.5}.scenario-icon{width:72px;height:72px;color:var(--accent);background:#e8eef8;border-radius:22px;place-items:center;font-weight:700;display:grid}.scenario-icon-brand{padding:14px}.scenario-icon-brand svg{width:100%;height:100%;display:block}.scenario-button{border-radius:18px;justify-content:center;width:100%;min-height:58px;font-size:22px}.scenario-auth-fields{gap:10px;width:100%;display:grid}.scenario-mode-switch{background:#eef5ff;border:1px solid #cfe0ff;border-radius:16px;align-items:center;gap:6px;padding:4px;display:inline-flex}.scenario-mode-pill{color:#56709d;cursor:pointer;background:0 0;border:0;border-radius:12px;min-height:36px;padding:0 12px;transition:background .18s,color .18s}.scenario-mode-pill.is-active{color:#1d4ed8;background:#fff;box-shadow:0 4px 16px #2563eb1f}.scenario-role-switch{flex-wrap:wrap;gap:8px;display:flex}.scenario-role-pill{color:#1d4ed8;cursor:pointer;background:#eef5ff;border:1px solid #cfe0ff;border-radius:18px;place-items:center;width:52px;min-width:52px;height:52px;min-height:52px;padding:0;transition:background .18s,border-color .18s,color .18s,transform .18s;display:grid}.scenario-role-pill.is-active{color:#1d4ed8;background:#dceaff;border-color:#b7d0ff}.scenario-role-pill:hover{background:#e1edff;border-color:#b7d0ff;transform:translateY(-1px)}.scenario-role-pill__icon{flex:none;place-items:center;width:22px;height:22px;display:grid}.scenario-role-pill__icon svg{width:100%;height:100%;display:block}.scenario-input{min-height:48px;font-size:16px}.scenario-locked{justify-items:stretch;gap:12px;width:100%;display:grid}.scenario-locked-actions{justify-content:stretch;width:100%;display:flex}.scenario-icon-button{color:#1d4ed8;cursor:pointer;background:#eef5ff;border:1px solid #cfe0ff;border-radius:18px;place-items:center;width:52px;height:52px;transition:transform .18s,background .18s,border-color .18s;display:grid}.scenario-icon-button:hover{background:#e1edff;border-color:#b7d0ff;transform:translateY(-1px)}.scenario-icon-button svg{width:22px;height:22px;display:block}.scenario-icon-button:disabled,.scenario-icon-button:disabled:hover{opacity:.42;cursor:not-allowed;filter:grayscale(.35);transform:none}.scenario-icon-button-danger{color:#e11d48;background:#fff1f2;border-color:#fecdd3}.scenario-icon-button-danger:hover{background:#ffe4e6;border-color:#fda4af}.quiz-invite-page{align-content:start;display:grid}.quiz-invite-brand{padding-bottom:28px}.quiz-invite-brand .brand-wordmark{letter-spacing:0;font-size:60px}.quiz-invite-layout{grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);align-items:stretch;gap:18px;width:min(980px,100%);margin:0 auto;display:grid}.quiz-invite-preview,.quiz-invite-auth,.quiz-invite-loading,.quiz-invite-error{border-color:#dbe3ee;border-radius:22px;box-shadow:0 18px 46px #0f172a14}.quiz-invite-preview{grid-template-rows:minmax(220px,.86fr) auto;padding:0;display:grid;overflow:hidden}.quiz-invite-cover{justify-content:flex-start;align-items:flex-start;min-height:220px;padding:18px;display:flex}.quiz-invite-preview-body{gap:14px;padding:20px;display:grid}.quiz-invite-preview-body h2,.quiz-invite-auth h2,.quiz-qr-head h2{color:var(--text);margin:0;font-size:28px;line-height:1.12}.quiz-invite-preview-body p,.quiz-invite-auth p,.quiz-qr-head p{margin:8px 0 0;line-height:1.5}.quiz-invite-meta-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.quiz-invite-meta-grid div{background:#f8fafc;border:1px solid #e3eaf3;border-radius:16px;gap:4px;padding:14px;display:grid}.quiz-invite-meta-grid span{color:var(--muted);text-transform:uppercase;font-size:12px;font-weight:800}.quiz-invite-meta-grid strong{font-size:15px;line-height:1.3}.quiz-invite-auth{gap:18px;width:100%}.quiz-invite-badge{color:#1d4ed8;text-transform:uppercase;background:#eef5ff;border:1px solid #cfe0ff;border-radius:999px;align-items:center;width:fit-content;padding:7px 12px;font-size:12px;font-weight:900;display:inline-flex}.quiz-invite-badge--closed{color:#e11d48;background:#fff1f2;border-color:#fecdd3}.quiz-invite-actions{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.quiz-invite-success{margin-top:0}.quiz-invite-loading,.quiz-invite-error{justify-items:start;width:min(500px,100%);margin:88px auto 0}.quiz-invite-spinner{border:4px solid #dbeafe;border-top-color:#2563eb;border-radius:999px;width:38px;height:38px;animation:.9s linear infinite quizInviteSpin}@keyframes quizInviteSpin{to{transform:rotate(360deg)}}.admin-outline-button{color:#1d4ed8;cursor:pointer;background:#eef5ff;border:1px solid #cfe0ff;border-radius:18px;justify-content:center;align-items:center;gap:10px;min-height:52px;padding:0 18px;transition:transform .18s,background .18s,border-color .18s,color .18s;display:inline-flex}.admin-outline-button:hover{background:#e1edff;border-color:#b7d0ff;transform:translateY(-1px)}.admin-outline-button:disabled{opacity:.55;cursor:not-allowed;transform:none}.admin-outline-button svg{width:20px;height:20px;display:block}.admin-outline-button-danger{color:#e11d48;background:#fff1f2;border-color:#fecdd3}.admin-outline-button-danger:hover{background:#ffe4e6;border-color:#fda4af}.admin-teacher-card{border:1px solid var(--border);border-radius:18px;align-items:center;padding:16px;display:flex}.admin-teacher-card__main{grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px;width:100%;display:grid}.admin-teacher-card__identity{gap:4px;min-width:0;display:grid}.admin-teacher-card__meta{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.admin-teacher-card__actions{flex:none;gap:10px;display:flex}@media (max-width:980px){.admin-teacher-card__main{grid-template-columns:1fr;align-items:start}.admin-teacher-card__meta,.admin-teacher-card__actions{justify-content:flex-start}}.scenario-hint{color:var(--muted);font-size:14px}.quiz-card{border:1px solid var(--border);border-radius:24px;flex-direction:column;gap:16px;min-height:200px;padding:22px;display:flex}.quiz-card-active{text-align:left;cursor:pointer;border-color:#ffd54f4d;justify-content:space-between;width:100%;transition:transform .18s,box-shadow .18s,border-color .18s;box-shadow:inset 0 0 0 1px #ffd54f14}.quiz-card-active:hover{transform:translateY(-2px)}.quiz-card-active.selected{border-color:#ffd54f;box-shadow:0 0 0 2px #ffd54f38,0 18px 40px #0f274738}.quiz-card-accent-text{color:#ffe082;line-height:1.5}.quiz-card-muted-text{color:#fff7cce0}.student-case-card{color:#fff7cc;background:linear-gradient(135deg,#12324f,#0f766e)}.student-case-card strong{color:#fff7cc}.arena-card-pill{color:#fff2b3;background:#ffd54f2e;border:1px solid #ffd54f47}.arena-card-status-row{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:inline-flex}.arena-card-timer{color:#fff7cc;font-variant-numeric:tabular-nums;background:#ffffff2e;border-color:#ffffff52}.arena-card-pill.is-live{color:#bbf7d0;background:#22c55e2e;border-color:#22c55e5c}.arena-card-pill.is-waiting{color:#ffe082;background:#ffd54f2e;border-color:#ffd54f5c}.button-start-game{color:#0f2747;background:#ffd54f;width:100%;font-weight:700}.metrics{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;display:grid}.metric{background:var(--surface);border-radius:18px;padding:16px}.metric strong{margin-top:8px;font-size:26px;display:block}.arena-screen-shell{background:#f4f7fb;min-height:100vh;overflow:hidden}.arena-screen{background:#edf3fb;padding:16px}.arena-stage-shell{border:1px solid var(--border);border-radius:28px;min-height:calc(100vh - 140px);margin:16px;position:relative;overflow:hidden}.arena-stage{border:0;min-height:calc(100vh - 32px);margin:0;box-shadow:0 24px 60px #08233f38}.arena-players{position:absolute;inset:0}.arena-player{flex-direction:column;align-items:center;gap:8px;display:flex;position:absolute}.arena-crown{filter:drop-shadow(0 6px 14px #ffd54f80);place-items:center;width:58px;height:58px;display:grid;position:absolute;top:-60px;left:50%;transform:translate(-50%)}.arena-crown svg{width:100%;height:100%}.avatar{color:#fff;background:linear-gradient(135deg,#38bdf8,#2563eb);border:3px solid #ffffffeb;border-radius:999px;place-items:center;width:58px;height:58px;font-weight:700;display:grid;box-shadow:0 10px 24px #2563eb24}.path{pointer-events:none;position:absolute;inset:14% 6% 12%}.path svg{opacity:.7;width:100%;height:100%}.arena-path svg{opacity:1}.arena-path{inset:0}.arena-top{z-index:2;grid-template-columns:1.4fr 1fr;gap:16px;padding:18px 24px 0;display:grid;position:relative}.line-cutoff{z-index:1;border-top:3px solid #ffd54f;position:absolute;left:0;right:0}.arena-line{border-top-width:0;display:block}.arena-hud{z-index:4;color:#ffe082;text-shadow:0 2px 14px #04142785;gap:14px;display:grid;position:absolute;top:44px;left:54px}.arena-hud-line{font-size:20px;font-weight:700}.arena-hud-label{opacity:.92}.arena-hud-line-icon{align-items:center;gap:10px;display:flex}.arena-hud-line-icon svg{flex:none;width:24px;height:24px}.arena-summary{z-index:4;align-content:start;gap:24px;padding:28px;display:grid;position:absolute;inset:36px}.arena-summary-head{color:#fff;gap:8px;display:grid}.arena-summary-head h1{margin:0;font-size:34px}.arena-summary-head p{color:#ffe082;margin:0}.arena-summary-kicker{color:#ffe082;letter-spacing:.14em;text-transform:uppercase;font-size:14px}.arena-winner-screen{align-content:center;justify-items:center;gap:48px;padding:48px;display:grid;position:absolute;inset:0;overflow:hidden}.arena-confetti{pointer-events:none;position:absolute;inset:0;overflow:hidden}.arena-confetti__piece{opacity:.92;filter:drop-shadow(0 6px 10px #0414272e);border-radius:999px;width:16px;height:42px;animation-name:arena-confetti-fall;animation-timing-function:linear;animation-iteration-count:infinite;position:absolute;top:-10%}.arena-confetti--1{background:linear-gradient(#ffd54f,#f59e0b)}.arena-confetti--2{background:linear-gradient(#fff,#dbeafe)}.arena-confetti--3{background:linear-gradient(#6ed3f5,#2563eb)}.arena-confetti--4{background:linear-gradient(#fff2a8,#ffd54f)}@keyframes arena-confetti-fall{0%{opacity:0;transform:translateY(-8%)rotate(0)}8%{opacity:.95}to{opacity:0;transform:translate(18px,122vh)rotate(540deg)}}.arena-winner-head{text-align:center;justify-items:center}.arena-winner-kicker{letter-spacing:.1em;font-size:clamp(28px,3.2vw,44px);font-weight:900}.arena-winner-head h1{font-size:clamp(44px,5vw,72px)}.arena-winner-card{justify-items:center;gap:28px;padding-top:148px;display:grid;position:relative}.arena-winner-crown{filter:drop-shadow(0 10px 24px #ffd54f80);place-items:center;width:156px;height:156px;display:grid;position:absolute;top:0;left:50%;transform:translate(-50%)}.arena-winner-crown svg{width:100%;height:100%}.arena-winner-avatar{border-width:4px;width:156px;height:156px;font-size:44px}.arena-winner-name{color:#ffd54f;text-align:center;text-shadow:0 10px 28px #0414276b;font-size:clamp(44px,5vw,72px);font-weight:900;line-height:.95}.arena-idle{z-index:4;pointer-events:none;position:absolute;inset:0}.arena-idle-title{color:#fff;letter-spacing:-.05em;text-shadow:0 10px 28px #04142775;white-space:nowrap;font-size:clamp(44px,6vw,92px);font-weight:900;line-height:.92;position:absolute;left:50%;transform:translate(-50%)}.arena-results-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:36px;display:grid}.arena-results-column{gap:18px;display:grid}.arena-results-item{letter-spacing:.02em;z-index:1;grid-template-columns:34px 54px minmax(0,1fr);align-content:start;align-items:center;gap:12px;min-height:clamp(520px,58vh,700px);padding:22px 28px 26px 20px;font-size:22px;font-weight:700;display:grid;position:relative}.arena-results-item:before{content:"";opacity:.85;pointer-events:none;z-index:0;border:1.5px solid #0000;border-radius:40px;position:absolute;inset:0}.arena-results-item>*{z-index:1;position:relative}.arena-results-item-qualified:before{border-color:#ffd54fcc}.arena-results-item-winner{margin-top:24px}.arena-results-item-other:before{border-color:#6ed3f5c7}.arena-results-rank{text-align:right}.arena-results-avatar{width:52px;height:52px}.arena-results-avatar-wrap{width:52px;height:52px;position:relative}.arena-results-crown{filter:drop-shadow(0 4px 10px #ffd54f75);place-items:center;width:52px;height:52px;display:grid;position:absolute;top:-58px;left:50%;transform:translate(-50%)}.arena-results-crown svg{width:100%;height:100%}.arena-eliminated-players{z-index:4;pointer-events:none;position:absolute;inset:0}.arena-eliminated-player{gap:10px}.arena-eliminated-player span{text-align:center;color:#6ed3f5;text-shadow:0 2px 14px #04142780;max-width:90px;font-size:14px;font-weight:700;line-height:1.1}.question-card{gap:18px;padding:22px;display:grid}.answer-grid{gap:12px;display:grid}.answer-option{border:1px solid var(--border);color:var(--text);cursor:pointer;text-align:left;background:#fff;border-radius:16px;padding:14px 16px}.answer-option.selected{background:#dbeafe;border-color:#2563ebb3}.answer-feedback{border-radius:16px;padding:14px 16px;font-weight:700}.answer-feedback.success{color:#18834a;background:#dcfce7}.answer-feedback.error{color:#b91c1c;background:#fee2e2}.stack{gap:16px;display:grid}.editor-layout{grid-template-columns:280px minmax(0,1fr) 300px;align-items:start;gap:18px;display:grid}.editor-main{min-width:0}.teacher-content{width:100%}.teacher-shell{--surface:#fff;--surface-2:#eef2f7;--border:#dbe3ee;--shadow:none;gap:18px;display:grid}.admin-shell{gap:18px;display:grid}.teacher-shell .cabinet-heading,.admin-shell .cabinet-heading{margin-bottom:0}.teacher-shell .button{box-shadow:none}.teacher-shell .button.secondary{color:#172033;background:#eef2f7}.teacher-shell .input,.teacher-shell .textarea,.teacher-shell .select{background:#fff;border-color:#dbe3ee}.confirm-overlay{z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172a38;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.confirm-dialog{background:#fff;border:1px solid #dbe3ee;border-radius:24px;gap:16px;width:min(100%,440px);padding:24px;display:grid;box-shadow:0 24px 60px #0f172a1f}.quiz-qr-dialog{gap:18px;width:min(100%,720px);padding:26px}.analytics-dialog{grid-template-rows:auto auto auto minmax(0,1fr);gap:18px;width:min(100%,1180px);height:min(88vh,820px);max-height:min(88vh,820px);padding:26px;overflow:hidden}.analytics-toolbar{grid-template-columns:minmax(220px,1fr) auto auto;align-items:center;gap:10px;display:grid}.analytics-select{appearance:none;cursor:pointer;color:#1f2937db!important;-webkit-backdrop-filter:blur(16px)saturate(1.15)!important;backdrop-filter:blur(16px)saturate(1.15)!important;background:linear-gradient(135deg,#ffffffb3,#ffffff57 58%,#e1f7ff6b),url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5' stroke='%232f6df6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 20px center/18px 18px no-repeat!important;border:1px solid #ffffffc2!important;border-radius:22px!important;height:60px!important;min-height:60px!important;padding:0 52px 0 22px!important;font-size:17px!important;font-weight:560!important;box-shadow:inset 0 1px #ffffffeb,0 14px 28px #2b4d821a!important}.analytics-select:focus{outline:none;border-color:#2f6df66b!important;box-shadow:inset 0 1px #ffffffeb,0 0 0 3px #2f6df624,0 14px 28px #2b4d821a!important}.analytics-metrics{grid-template-columns:repeat(4,minmax(120px,1fr));gap:10px;display:grid}.analytics-metrics>div{background:#ffffff6b;border:1px solid #ffffff9e;border-radius:18px;gap:4px;padding:14px;display:grid}.analytics-metrics span,.analytics-table span{color:var(--muted);font-size:13px}.analytics-table-wrap{overscroll-behavior:contain;border:1px solid #dbe3eeb8;border-radius:22px;min-height:0;max-height:100%;overflow:auto}.analytics-table{border-collapse:collapse;background:#ffffff6b;width:100%;min-width:980px}.analytics-table th,.analytics-table td{text-align:left;vertical-align:top;border-bottom:1px solid #dbe3eeb8;padding:14px}.analytics-table th{z-index:2;color:var(--muted);text-transform:uppercase;-webkit-backdrop-filter:blur(14px)saturate(1.12);backdrop-filter:blur(14px)saturate(1.12);background:#f4f8ffeb;font-size:12px;font-weight:700;position:sticky;top:0}.analytics-table td{color:var(--text);font-size:14px}.analytics-table td>strong,.analytics-table td>span{display:block}.analytics-table tbody tr:last-child td{border-bottom:0}.journal-cell-button{width:100%;min-width:120px;min-height:48px;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-content:center;justify-items:start;gap:6px;padding:0;display:grid}.journal-cell-button strong,.journal-cell-button span,.journal-cell-button small{display:block}.journal-cell-button small{color:var(--muted);font-size:12px}.journal-cell-button:hover strong{color:var(--accent)}.quiz-qr-head{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.quiz-qr-head h2{margin-top:10px}.quiz-qr-summary{background:#f8fafc;border:1px solid #e3eaf3;border-radius:18px;justify-content:space-between;align-items:center;gap:14px;padding:14px 16px;display:flex}.quiz-qr-summary div{gap:4px;min-width:0;display:grid}.quiz-qr-summary strong{font-size:18px;line-height:1.25}.quiz-qr-summary span{color:var(--muted)}.quiz-qr-status{color:#be123c;text-transform:uppercase;background:#fff1f2;border:1px solid #fecdd3;border-radius:999px;flex:none;padding:7px 11px;font-size:12px;font-weight:900}.quiz-qr-status.is-enabled{color:#18834a;background:#dcfce7;border-color:#bbf7d0}.quiz-qr-body{grid-template-columns:244px minmax(0,1fr);align-items:center;gap:20px;display:grid}.quiz-qr-code-frame{aspect-ratio:1;background:linear-gradient(#f8fbff,#fff);border:1px solid #dbe5f4;border-radius:26px;place-items:center;width:244px;padding:14px;display:grid;box-shadow:inset 0 0 0 1px #fffc,0 16px 30px #0f172a14}.quiz-qr-code-frame img{background:#fff;border-radius:16px;width:100%;height:100%;display:block}.quiz-qr-controls{min-width:0}.quiz-qr-actions{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}@media (max-width:860px){.quiz-invite-layout{grid-template-columns:1fr}.quiz-invite-preview{grid-template-rows:180px auto}.quiz-invite-cover{min-height:180px}.quiz-qr-body{grid-template-columns:1fr}.quiz-qr-code-frame{justify-self:center;width:min(244px,100%)}}@media (max-width:640px){.quiz-invite-brand .brand-wordmark{font-size:44px}.quiz-invite-meta-grid{grid-template-columns:1fr}.quiz-qr-dialog{padding:20px}.quiz-qr-head,.quiz-qr-summary{flex-direction:column;align-items:stretch}.quiz-qr-actions .button,.quiz-invite-actions .button{width:100%}}.confirm-kicker{letter-spacing:.12em;text-transform:uppercase;color:#64748b;font-size:12px;font-weight:700}.confirm-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.teacher-tabs{background:#fff;border:1px solid #dbe3ee;border-radius:20px;gap:8px;padding:8px;display:flex}.teacher-tab{min-height:46px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:14px;flex:1 1 0;padding:10px 14px;font-weight:600}.teacher-tab.active{color:#fff;background:#2563eb}.teacher-grid-2{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;display:grid}.teacher-stack{grid-template-columns:1fr;gap:18px;display:grid}.teacher-subtabs{background:#fff;border:1px solid #dbe3ee;border-radius:16px;gap:8px;padding:6px;display:inline-flex}.subtab{min-height:40px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:12px;padding:8px 14px;font-weight:600}.subtab.active{color:#fff;background:#2563eb}.editor-columns{grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:18px;display:grid}.selector-card{text-align:left;width:100%;color:var(--text);background:#fff;border:1px solid #dbe3ee;border-radius:18px;gap:10px;padding:14px;display:grid}.selector-card.active{background:#f0f7ff;border-color:#38bdf8}.selector-card-editable{cursor:pointer;gap:14px}.selector-button{all:unset;cursor:pointer;justify-items:start;gap:6px;width:100%;display:grid}.student-summary{gap:8px}.student-summary__row{justify-content:space-between;align-items:center;gap:14px;width:100%;display:flex}.student-summary__content{gap:8px;min-width:0;display:grid}.student-summary__meta{color:var(--muted)}.student-summary__badges{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.teacher-card-header{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;display:grid}.teacher-card-actions{flex:none;justify-content:center;align-items:center;gap:8px;display:flex}.quiz-card-actions{flex-wrap:wrap;justify-content:flex-end}.case-spoiler-header{align-items:flex-start}.case-spoiler-actions{flex-wrap:nowrap;justify-content:flex-end}.case-spoiler-actions .scenario-icon-button{border-radius:16px;width:48px;height:48px}.case-inline-editor{margin-top:4px}.case-inline-settings{grid-template-columns:minmax(180px,1fr) minmax(180px,1fr);gap:10px;display:grid}.case-inline-steps{gap:10px;display:grid}.case-inline-step{background:#ffffff9e;border:1px solid #dbe3eedb;border-radius:16px;padding:12px}.case-inline-step summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;font-weight:800;display:flex}.case-inline-step summary em{color:var(--muted);white-space:nowrap;font-style:normal;font-weight:700}.case-inline-step-fields{gap:10px;margin-top:12px;display:grid}.quiz-mode-icon-button{color:#1d4ed8;cursor:pointer;background:#eef5ff;border:1px solid #cfe0ff;border-radius:18px;place-items:center;width:52px;height:52px;transition:transform .18s,background .18s,border-color .18s,color .18s;display:grid}.quiz-mode-icon-button:hover{color:#1d4ed8;background:#e1edff;border-color:#b7d0ff;transform:translateY(-1px)}.quiz-mode-icon-button svg{width:24px;height:24px;display:block}.quiz-create-choice-group{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.quiz-create-choice-group-compact{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-create-choice{min-height:58px;color:var(--text);font:inherit;cursor:pointer;background:#fff;border:1px solid #d8e3f3;border-radius:16px;justify-content:flex-start;align-items:center;gap:10px;padding:12px 14px;font-weight:800;transition:transform .18s,background .18s,border-color .18s,color .18s,box-shadow .18s;display:flex}.quiz-create-choice:hover{background:#f5f8ff;border-color:#b7d0ff;transform:translateY(-1px)}.quiz-create-choice.active{color:#18834a;background:#dcfce7;border-color:#86efac;box-shadow:0 10px 24px #1665341a}.quiz-create-choice__icon{color:#1d4ed8;background:#eef5ff;border-radius:12px;flex:none;place-items:center;width:34px;height:34px;display:grid}.quiz-create-choice.active .quiz-create-choice__icon{color:#18834a;background:#bbf7d0}.quiz-create-choice__icon svg{width:20px;height:20px;display:block}.inline-student-form{border-top:1px solid var(--border);gap:12px;padding-top:12px;display:grid}.student-import-panel{grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr);gap:14px;display:grid}.student-import-preview{border:1px solid var(--border);background:#f8fbff;border-radius:18px;gap:12px;padding:14px;display:grid}.student-import-preview__list{gap:10px;display:grid}.student-import-preview__item{background:#fff;border:1px solid #e3ebf5;border-radius:14px;gap:4px;padding:10px 12px;display:grid}.student-import-preview__item span:last-child,.student-import-preview__empty,.student-import-preview__more,.student-import-preview__hint{color:var(--muted)}@media (max-width:860px){.student-import-panel{grid-template-columns:1fr}}.status-toggle-group{flex-wrap:wrap;gap:8px;display:flex}.status-toggle{color:#66758f;cursor:pointer;background:#eef2f7;border:1px solid #dbe3ee;border-radius:999px;justify-content:center;align-items:center;width:44px;height:44px;min-height:44px;padding:0;transition:background .18s,border-color .18s,color .18s;display:inline-flex}.status-toggle.active{color:#18834a;background:#dcfce7;border-color:#86efac}.status-toggle__icon{flex:none;place-items:center;width:22px;height:22px;display:inline-grid}.status-toggle__icon svg{width:22px;height:22px}.tiny{border-radius:12px;min-height:34px;padding:8px 12px}.teacher-inline-card{box-shadow:none;background:#f8fafc}.is-inactive{opacity:.52;filter:saturate(.68)}.is-inactive.active{opacity:.72}.teacher-question-card.drag-over{background:#eef5ff;border-color:#2563eb8c}.question-type-meta{color:var(--muted);align-items:center;display:inline-flex}.question-type-meta__icon{flex:none;place-items:center;width:22px;height:22px;display:inline-grid}.question-type-meta__icon svg{width:22px;height:22px}.teacher-round-card.drag-over{background:#eef5ff;border-color:#2563eb8c}.student-profile-card{align-items:center;gap:16px;display:flex}.student-dashboard-grid{align-items:start;gap:18px;display:grid}.student-dashboard-grid .cabinet-profile-card{margin-bottom:0}.student-profile-shell{padding:18px}.student-quizzes-shell{gap:18px;display:grid}.student-activities-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:14px;display:grid}.student-activity-item{align-self:start;gap:12px;display:grid}.student-activity-item .quiz-card{width:100%}.student-activities-empty{grid-column:1/-1}.student-profile-header{align-items:center;gap:14px;display:flex}.student-profile-toggle{flex:1;align-items:center;gap:16px;min-width:0;padding:8px 0;display:flex}.student-profile-toggle__content{flex:1;min-width:0}.student-profile-toggle__label{color:var(--muted);margin-bottom:6px;font-size:14px}.student-profile-actions{flex:none;align-items:center;gap:10px;display:flex}.student-profile-toggle__chevron{cursor:pointer;color:#1d4ed8;background:#eef5ff;border:1px solid #cfe0ff;border-radius:18px;place-items:center;width:52px;height:52px;transition:transform .18s,background .18s,border-color .18s;display:grid}.student-profile-toggle__chevron:hover{background:#e1edff;border-color:#b7d0ff;transform:translateY(-1px)}.student-profile-toggle__chevron svg{width:22px;height:22px;display:block}.student-avatar{object-fit:cover;background:#eef2f7;border:1px solid #dbe3ee;border-radius:20px;width:72px;height:72px}@media (max-width:860px){.student-profile-header{flex-wrap:wrap;align-items:flex-start}.student-activities-grid{grid-template-columns:1fr}}.student-avatar-fallback{place-items:center;font-size:22px;font-weight:700;display:grid}.arena-avatar-image{object-fit:cover;background:#fff;border:3px solid #ffffffeb;border-radius:999px;width:58px;height:58px;display:block;box-shadow:0 10px 24px #2563eb24}.arena-winner-card .arena-winner-avatar{object-fit:contain;border-width:4px!important;width:156px!important;height:156px!important;font-size:44px!important}.round-background-preview{object-fit:cover;border:1px solid var(--border);border-radius:18px;width:100%;height:180px}.round-background-placeholder{border:1px dashed var(--border);height:180px;color:var(--muted);background:var(--surface-2);border-radius:18px;place-items:center;display:grid}.checkbox-row{color:var(--muted);align-items:center;gap:10px;display:flex}.linked-teachers-list{flex-wrap:wrap;gap:8px;display:flex}.divider{background:var(--border);height:1px}@media (max-width:900px){.arena-top,.scenario-grid{grid-template-columns:1fr}.arena-hud-line{font-size:18px}.arena-summary{inset:18px}.arena-results-grid{grid-template-columns:1fr;gap:20px}.arena-results-item{font-size:18px}}@media (max-width:1280px){.teacher-grid-2,.editor-columns{grid-template-columns:1fr}}@media (max-width:720px){.teacher-tabs{flex-direction:column}.teacher-subtabs{width:100%}}.test-progress-row{background:#ffffff14;border:1px solid #ffffff29;border-radius:16px;justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}.test-progress-row.current{background:#ffd6501f;border-color:#ffd65080}.test-progress-row.finished{background:#22c55e1f;border-color:#22c55e73}.admin-full-panel{gap:14px;width:100%;display:grid}.admin-form-stack{grid-template-columns:1fr;gap:12px;display:grid}.admin-teacher-spoiler{padding:18px}.admin-teacher-spoiler.is-inactive,.student-spoiler.is-inactive{opacity:.52;filter:saturate(.68)}.admin-teacher-spoiler.is-inactive.active,.student-spoiler.is-inactive.active{opacity:.72}.admin-teacher-header{grid-template-columns:minmax(0,1fr) auto auto;align-items:center;display:grid}.admin-teacher-meta-line{white-space:nowrap;flex-wrap:nowrap}.admin-teacher-invite{flex:none;align-items:center;gap:10px;display:inline-flex}.admin-teacher-copy{letter-spacing:2px;border-radius:16px;min-height:42px;padding:0 14px;font-weight:900}.admin-inline-link{flex:0 360px;align-items:center;gap:8px;min-width:260px;display:inline-flex}.admin-inline-input{max-width:190px;min-height:42px;padding:9px 12px}.admin-inline-action{border-radius:16px;min-height:42px;padding:0 14px}.admin-case-assign{flex-basis:470px;min-width:min(100%,320px)}.app-select.admin-case-teacher-select{appearance:none;cursor:pointer;width:min(100%,350px);min-height:54px;font-size:15px;color:#1f2937d1!important;background:url("data:image/svg+xml,%3Csvg width='18' height='18' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5' stroke='%232f6df6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 18px center/18px 18px no-repeat,linear-gradient(135deg,#ffffffd1,#eef7ff9e)!important;border:1px solid #ffffffd1!important;padding:0 52px 0 20px!important;font-weight:650!important;box-shadow:inset 0 1px #fffffff5,0 14px 30px #2b4d821c!important}.app-select.admin-case-teacher-select:hover{border-color:#518dff6b!important}@media (max-width:760px){.admin-teacher-spoiler .student-summary__row{flex-direction:column;align-items:flex-start}.admin-teacher-spoiler .student-summary__badges,.admin-teacher-spoiler .admin-teacher-card__actions{justify-content:flex-start}.admin-teacher-header{grid-template-columns:1fr}.admin-teacher-meta-line{white-space:normal;flex-wrap:wrap}.admin-teacher-invite{flex-wrap:wrap}.admin-inline-link{flex:100%;width:100%}.admin-inline-input{max-width:none}.admin-case-assign,.app-select.admin-case-teacher-select{width:100%;max-width:none}}.selector-card.is-inactive,.selector-card.is-inactive *{cursor:default!important}.selector-card.is-inactive .scenario-icon-button:not(:disabled),.selector-card.is-inactive .quiz-mode-icon-button{cursor:pointer!important}.selector-card.is-inactive .scenario-icon-button:disabled,.selector-card.is-inactive .scenario-icon-button:disabled:hover,.selector-card.is-inactive .selector-button,.selector-card.is-inactive .selector-button:hover{cursor:default!important}.cabinet-heading{gap:8px;margin-bottom:18px;display:grid}.cabinet-heading strong{color:var(--text);letter-spacing:-.055em;font-size:clamp(32px,5vw,56px);font-weight:900;line-height:.95}.cabinet-profile-card{width:100%;margin-bottom:0}.cabinet-profile-form,.cabinet-profile-form>.student-profile-header{width:100%}.cabinet-profile-card .student-profile-header{justify-content:space-between}.cabinet-profile-card .student-profile-toggle__content strong{color:var(--text);font-size:clamp(24px,3vw,34px);line-height:1.08;display:block}.cabinet-profile-details{margin-top:18px}@media (max-width:760px){.cabinet-profile-card .student-profile-toggle{width:100%}.cabinet-profile-card .student-profile-actions{justify-content:flex-end;width:100%}.cabinet-profile-card .student-avatar{border-radius:24px;width:84px;height:84px}.cabinet-profile-card .student-profile-toggle__chevron{border-radius:24px;width:72px;height:72px}}.cabinet-heading{gap:6px;margin-bottom:18px}.cabinet-heading strong{letter-spacing:-.04em;font-size:clamp(34px,4vw,48px);line-height:1}.cabinet-heading span{font-size:clamp(20px,2vw,28px);line-height:1.16}.cabinet-profile-card .student-profile-toggle__content strong{font-size:inherit;line-height:inherit}.cabinet-profile-card .student-profile-toggle__label{font-size:14px;font-weight:inherit}.cabinet-profile-card .student-avatar{border-radius:20px;width:72px;height:72px}.cabinet-profile-card .student-profile-toggle__chevron{border-radius:18px;width:52px;height:52px}.cabinet-profile-card .student-profile-toggle__chevron svg{width:22px;height:22px}@media (max-width:760px){.cabinet-profile-card .student-avatar{border-radius:20px;width:72px;height:72px}.cabinet-profile-card .student-profile-toggle__chevron{border-radius:18px;width:52px;height:52px}}.cabinet-heading{flex-direction:column;gap:6px;margin-bottom:24px;display:flex}.cabinet-heading strong{letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-size:14px;font-weight:700;line-height:normal}.cabinet-heading span{color:var(--muted);font-size:16px;font-weight:400;line-height:normal}.qa-home-shell{place-items:center;min-height:100vh;padding:28px 16px;display:grid}.qa-home-card{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffd1;border:1px solid #dbe3eee6;border-radius:32px;width:min(1060px,100%);padding:24px;box-shadow:0 22px 70px #0f172a14}.qa-home-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:22px;display:flex}.qa-home-logo{color:#667085;align-items:center;gap:10px;display:inline-flex}.qa-home-crown{color:#ffd650;place-items:center;width:44px;height:44px;display:grid}.qa-home-crown svg,.qa-panel-icon svg,.qa-role-card-icon svg{width:100%;height:100%}.qa-home-wordmark{letter-spacing:-.06em;font-size:clamp(28px,4.2vw,46px);font-weight:900;line-height:1}.qa-home-wordmark span{color:#ffd650}.qa-home-login-link{color:var(--muted);border-radius:999px;padding:8px 10px;font-size:13px;font-weight:800}.qa-home-login-link:hover{color:var(--accent);background:#eef4ff}.qa-home-hero{grid-template-columns:minmax(0,1fr) minmax(330px,440px);align-items:stretch;gap:22px;display:grid}.qa-home-hero-copy{background:linear-gradient(135deg,#2563eb14,#0ea5a412),#f8fbff;border:1px solid #dbe3eeb8;border-radius:28px;flex-direction:column;justify-content:center;min-height:240px;padding:24px;display:flex}.qa-home-eyebrow{color:var(--accent);letter-spacing:.11em;text-transform:uppercase;margin:0 0 10px;font-size:13px;font-weight:900}.qa-home-hero-copy h1,.qa-admin-login-card h1{color:#667085;letter-spacing:-.055em;margin:0;font-size:clamp(34px,4vw,46px);line-height:1.04}.qa-home-hero-copy p:not(.qa-home-eyebrow),.qa-admin-login-card p:not(.qa-home-eyebrow){max-width:620px;color:var(--muted);margin:16px 0 0;font-size:clamp(16px,1.8vw,20px);line-height:1.5}.qa-join-panel,.qa-auth-card,.qa-admin-login-card{border:1px solid var(--border);background:#fff;border-radius:28px;padding:22px;box-shadow:0 16px 45px #0f172a0f}.qa-join-panel{flex-direction:column;justify-content:center;gap:14px;min-height:240px;display:flex}.qa-join-head{grid-template-columns:46px minmax(0,1fr);align-items:center;gap:12px;display:grid}.qa-panel-icon{width:46px;height:46px;color:var(--accent);background:#edf4ff;border-radius:16px;place-items:center;display:grid}.qa-join-panel h2,.qa-auth-card h2{letter-spacing:-.03em;margin:0;font-size:22px;line-height:1.12}.qa-join-panel p,.qa-auth-card p{color:var(--muted);margin:5px 0 0;line-height:1.4}.qa-join-form{grid-template-columns:1fr auto;align-items:center;gap:10px;margin-top:2px;display:grid}.qa-join-input{min-height:48px;font-weight:800}.qa-join-button,.qa-form-button{border-radius:15px;min-height:48px;font-weight:900}.qa-home-hint{color:var(--muted);font-size:13px;line-height:1.45}.qa-auth-area{grid-template-columns:minmax(240px,320px) minmax(0,1fr);gap:18px;margin-top:18px;display:grid}.qa-role-cards{gap:12px;display:grid}.qa-role-card{border:1px solid var(--border);width:100%;min-height:104px;color:var(--text);text-align:left;background:#fff;border-radius:24px;grid-template-columns:46px 1fr;align-items:center;gap:12px;padding:16px;display:grid;box-shadow:0 12px 30px #0f172a0a}.qa-role-card.is-active{background:linear-gradient(135deg,#eef4ff,#fff);border-color:#2563eb73;box-shadow:0 16px 40px #2563eb1f}.qa-role-card-icon{width:46px;height:46px;color:var(--accent);background:#edf4ff;border-radius:16px;place-items:center;display:grid}.qa-role-card strong{font-size:16px;line-height:1.1;display:block}.qa-role-card small{color:var(--muted);margin-top:5px;font-size:13px;line-height:1.35;display:block}.qa-auth-head{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:16px;display:flex}.qa-mode-switch{background:#edf2f8;border-radius:999px;flex:none;padding:4px;display:inline-flex}.qa-mode-switch button{color:var(--muted);background:0 0;border:0;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:900}.qa-auth-form{gap:11px;display:grid}.qa-auth-form .input{min-height:46px}.qa-status-pill{white-space:normal;justify-content:center;width:100%;margin-bottom:12px}.qa-auth-ready{border:1px solid var(--border);background:#f8fbff;border-radius:20px;flex-wrap:wrap;align-items:center;gap:10px;padding:16px;display:flex}.qa-auth-ready p{flex:180px;margin:0}.qa-link-button{color:var(--accent);background:0 0;border:0;justify-self:start;padding:8px;font-size:13px;font-weight:900}.qa-link-button:disabled{color:var(--muted);opacity:.55}.qa-admin-login-shell{place-items:center;min-height:100vh;padding:24px 16px;display:grid}.qa-admin-login-card{width:min(460px,100%)}@media (max-width:860px){.qa-home-card{border-radius:26px;padding:18px}.qa-home-hero,.qa-auth-area{grid-template-columns:1fr}.qa-home-hero-copy{min-height:auto;padding:22px}.qa-role-cards{grid-template-columns:1fr 1fr}}@media (max-width:560px){.qa-home-shell{place-items:start center;padding:14px}.qa-home-card{border-radius:24px;padding:14px}.qa-home-header{margin-bottom:14px}.qa-home-crown{width:36px;height:36px}.qa-home-wordmark{font-size:30px}.qa-home-hero-copy h1,.qa-admin-login-card h1{font-size:30px;line-height:1.08}.qa-home-hero-copy p:not(.qa-home-eyebrow),.qa-admin-login-card p:not(.qa-home-eyebrow){font-size:15px}.qa-join-panel,.qa-auth-card,.qa-admin-login-card,.qa-home-hero-copy{border-radius:22px;padding:18px}.qa-join-form,.qa-role-cards{grid-template-columns:1fr}.qa-role-card{border-radius:20px;min-height:88px}.qa-auth-head{display:grid}.qa-mode-switch{width:100%}.qa-mode-switch button{flex:50%}}.qa-auth-card{min-height:0}.qa-auth-head{margin:14px 0;display:block}.qa-auth-head h2{margin:0}.qa-auth-head p{margin-top:6px}.qa-mode-switch{background:#eef5ff;border:1px solid #cfe0ff;border-radius:16px;flex:none;align-items:center;gap:6px;width:fit-content;padding:4px;display:inline-flex}.qa-mode-switch button{color:#56709d;cursor:pointer;background:0 0;border:0;border-radius:12px;min-height:38px;padding:0 16px;font-size:15px;font-weight:800;transition:background .18s,color .18s,box-shadow .18s}.qa-mode-switch button.is-active{color:#1d4ed8;background:#fff;box-shadow:0 4px 16px #2563eb1f}.qa-admin-login-card h1{color:var(--text);letter-spacing:-.04em;font-size:clamp(22px,2vw,28px);font-weight:590;line-height:1.12}.qa-admin-login-card p:not(.qa-home-eyebrow){max-width:360px;margin:4px 0 0;font-size:14px;line-height:1.45}.qa-admin-login-card{width:min(430px,100%);padding:24px}.qa-admin-login-card .qa-auth-form{gap:12px;margin-top:22px}.qa-admin-login-shell .input,.qa-admin-login-shell input.input{color:#1f2937d6!important;-webkit-backdrop-filter:blur(16px)saturate(1.15)!important;backdrop-filter:blur(16px)saturate(1.15)!important;background:#ffffff80!important;border:1px solid #ffffffc2!important;border-radius:22px!important;height:60px!important;font-size:17px!important;font-weight:450!important;box-shadow:inset 0 1px #ffffffe6,0 10px 28px #2b4d8214!important}.qa-admin-login-shell .input::placeholder{color:#5b677e7a!important}.qa-admin-login-shell .button,.qa-admin-login-shell button.button,.qa-admin-login-shell .qa-form-button{color:#fffffff0!important;text-shadow:0 1px 1px #1e28782e!important;background:linear-gradient(135deg,#5c3af5f5,#2d6ff6f5 54%,#3ed2e1cc)!important;border:1px solid #ffffff85!important;border-radius:22px!important;min-height:60px!important;font-size:17px!important;font-weight:560!important;box-shadow:0 18px 32px #375fe640,inset 0 2px #ffffff70,inset 0 -8px 18px #2138aa33!important}.qa-admin-login-shell .qa-link-button{color:#2f6df6c7!important;background:0 0!important;border:0!important;width:fit-content!important;padding:8px 4px!important;font-size:15px!important;font-weight:560!important}@media (max-width:560px){.qa-mode-switch{width:100%}.qa-mode-switch button{flex:50%}.qa-admin-login-card h1{font-size:28px}}.qa-entry-area{gap:16px;margin-top:18px;display:grid}.qa-entry-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.qa-entry-button{border:1px solid var(--border);width:100%;min-height:112px;color:var(--text);text-align:left;cursor:pointer;background:#fff;border-radius:24px;grid-template-columns:50px minmax(0,1fr);align-items:center;gap:14px;padding:18px;transition:transform .18s,border-color .18s,box-shadow .18s,background .18s;display:grid;box-shadow:0 14px 34px #0f172a0b}.qa-entry-button:hover{border-color:#2563eb52;transform:translateY(-1px);box-shadow:0 18px 44px #2563eb17}.qa-entry-button.is-active{background:linear-gradient(135deg,#eef5ff,#fff);border-color:#2563eb7a;box-shadow:0 18px 44px #2563eb1f}.qa-entry-button strong{letter-spacing:-.025em;font-size:21px;line-height:1.05;display:block}.qa-entry-button small{color:var(--muted);margin-top:7px;font-size:14px;font-weight:700;line-height:1.35;display:block}.qa-auth-card-inline{border-radius:24px;justify-self:center;width:min(680px,100%);padding:20px}.qa-auth-card-top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px;display:flex}.qa-auth-close{white-space:nowrap;justify-self:end;padding:8px 10px}.qa-auth-form-compact{grid-template-columns:repeat(2,minmax(0,1fr))}.qa-auth-form-compact .qa-home-hint,.qa-auth-form-compact .qa-form-button,.qa-auth-form-compact .qa-link-button{grid-column:1/-1}@media (max-width:760px){.qa-entry-actions,.qa-auth-form-compact{grid-template-columns:1fr}.qa-entry-button{min-height:92px}.qa-auth-card-top{flex-direction:column;align-items:stretch}.qa-auth-close{justify-self:start}}.qa-home-hero{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.qa-home-hero-copy,.qa-join-panel{min-height:224px}.qa-home-hero-copy h1{letter-spacing:-.05em;max-width:560px;font-size:clamp(32px,3.25vw,42px);line-height:1.08}.qa-join-panel{padding:24px}.qa-join-head{grid-template-columns:44px minmax(0,1fr);gap:14px}.qa-panel-icon,.qa-role-card-icon{color:#2563eb;background:#f0f6ff;border-radius:15px;width:44px;height:44px}.qa-panel-icon svg,.qa-role-card-icon svg{stroke-width:1.55px;width:30px;height:30px}.qa-join-panel h2{letter-spacing:-.025em;font-size:21px}.qa-join-panel p{white-space:nowrap;margin-top:4px;font-size:15px;line-height:1.3}.qa-join-form{gap:10px}.qa-entry-button .qa-role-card-icon svg{width:31px;height:31px}@media (max-width:980px){.qa-home-hero{grid-template-columns:1fr}.qa-home-hero-copy,.qa-join-panel{min-height:auto}.qa-join-panel p{white-space:normal}}@media (max-width:560px){.qa-home-hero-copy h1{font-size:29px}.qa-join-head{grid-template-columns:40px minmax(0,1fr)}.qa-panel-icon,.qa-role-card-icon{border-radius:14px;width:40px;height:40px}.qa-panel-icon svg,.qa-role-card-icon svg{width:27px;height:27px}}.qa-entry-accordion{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:14px;display:grid}.qa-role-accordion{border:1px solid var(--border);background:#fff;border-radius:24px;transition:border-color .18s,box-shadow .18s,background .18s;overflow:hidden;box-shadow:0 14px 34px #0f172a0b}.qa-role-accordion.is-active{background:linear-gradient(135deg,#f7fbff,#fff);border-color:#2563eb7a;box-shadow:0 18px 44px #2563eb1f}.qa-role-accordion .qa-entry-button{min-height:112px;box-shadow:none;background:0 0;border:0;border-radius:0}.qa-role-accordion .qa-entry-button:hover{box-shadow:none;background:#f8fbff;border-color:#0000;transform:none}.qa-role-accordion.is-active .qa-entry-button{background:#f3f8ff}.qa-accordion-body{border-top:1px solid #dbe3eecc;gap:12px;padding:0 18px 18px;display:grid}.qa-accordion-body .qa-mode-switch{margin-top:16px}.qa-auth-head-compact{margin:0}.qa-auth-head-compact h2{font-size:20px;line-height:1.15}.qa-auth-head-compact p{margin-top:4px;font-size:14px}.qa-accordion-body .qa-auth-form-compact{grid-template-columns:1fr}.qa-accordion-body .qa-form-button{width:100%}@media (max-width:920px){.qa-entry-accordion{grid-template-columns:1fr}}@media (max-width:560px){.qa-role-accordion,.qa-role-accordion .qa-entry-button{border-radius:20px}.qa-role-accordion .qa-entry-button{min-height:86px;padding:15px}.qa-accordion-body{padding:0 15px 15px}}.touch-sort-list{gap:10px}.touch-sort-card{-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:12px;padding:12px 12px 12px 14px;display:flex}.touch-sort-card.is-dragging,.matching-chip.is-dragging{opacity:.72;transform:scale(.99)}.touch-sort-content{align-items:center;gap:12px;min-width:0;display:flex}.touch-sort-content strong{overflow-wrap:anywhere;min-width:0}.touch-drag-handle{color:#1d4ed8;cursor:grab;touch-action:none;background:#eef5ff;border:1px solid #cfe0ff;border-radius:16px;flex:none;place-items:center;gap:3px;width:46px;height:46px;display:grid}.touch-drag-handle:active{cursor:grabbing}.touch-drag-handle span{background:currentColor;border-radius:999px;width:18px;height:2px;display:block}.matching-touch-question{gap:12px}.matching-pool{flex-wrap:wrap;gap:10px;padding:12px;display:flex}.matching-chip{cursor:grab;touch-action:none;text-align:left;width:auto;min-height:44px;padding:10px 12px}.matching-chip:active{cursor:grabbing}.matching-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:12px;padding:12px;display:grid}.matching-row>strong{overflow-wrap:anywhere;min-width:0}.matching-dropzone{border-style:dashed;align-items:center;min-height:54px;padding:8px;display:flex}.matching-dropzone.is-ready{background:#eff6ff;border-color:#93c5fd}.matching-slot-value{align-items:center;gap:8px;width:100%;display:flex}.matching-slot-value .matching-chip{flex:auto}.matching-clear{color:#e11d48;cursor:pointer;background:#fff1f2;border:1px solid #fecdd3;border-radius:14px;flex:none;width:36px;height:36px;font-size:24px;line-height:1}.matching-mobile-select{display:none}@media (max-width:760px){.teacher-card-header,.selector-card-editable>div[style*=space-between]{grid-template-columns:1fr!important;align-items:stretch!important;gap:12px!important;display:grid!important}.teacher-card-actions,.quiz-card-actions{flex-wrap:wrap;justify-content:flex-start;gap:8px;width:100%}.quiz-mode-actions,.quiz-mode-flow-actions{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;width:100%;display:grid}.quiz-mode-flow-actions{border-left:0;margin-left:0;padding-left:0}.scenario-icon-button,.quiz-mode-icon-button{border-radius:16px;width:100%;min-width:0;height:48px}.selector-card,.card{min-width:0}.selector-button strong,.selector-button span{overflow-wrap:anywhere}.touch-sort-card{border-radius:18px;padding:10px}.touch-drag-handle{width:48px;height:48px}.matching-row{grid-template-columns:1fr;gap:10px}.matching-dropzone{min-height:58px}.matching-mobile-select{display:block}.matching-pool{padding:10px}.matching-chip{min-height:46px;font-size:15px}}@media (max-width:460px){.quiz-mode-actions,.quiz-mode-flow-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-card-actions .button,.teacher-card-actions .secondary,.quiz-card-actions .button,.quiz-card-actions .secondary{width:100%}}.student-history-shell{gap:14px;display:grid}.student-history-row{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;display:flex}.student-history-row:first-child{border-top:0;padding-top:0}.student-history-row__meta{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}@media (max-width:680px){.student-history-row{align-items:flex-start}.student-history-row__meta{justify-content:flex-start;width:100%}}.student-history-accordion{grid-template-columns:repeat(auto-fit,minmax(420px,1fr));align-items:stretch;gap:24px;display:grid}.student-history-card{overflow:visible}.student-history-card.selector-card{background:#ffffff5c;border:1px solid #dbe3eeb8;border-radius:24px;min-height:136px;padding:18px 22px;box-shadow:0 14px 38px #0f172a0a}.student-history-card .student-history-toggle{min-height:96px;box-shadow:none!important;background:0 0!important;border:0!important;border-radius:0!important;padding:0!important}.student-history-toggle{text-align:left;width:100%;color:var(--text);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:18px;display:grid}.student-history-toggle__main{text-align:left;justify-items:start;gap:4px;min-width:0;display:grid}.student-history-toggle__main strong{overflow-wrap:anywhere;text-align:left}.student-history-toggle__main span{color:var(--muted);text-align:left;font-weight:700}.student-history-toggle__badges{flex-wrap:nowrap;justify-content:flex-end;align-self:center;align-items:center;gap:10px;display:flex}.student-history-toggle__badges .pill{white-space:nowrap}.student-history-toggle__badges .scenario-icon-button{flex:0 0 52px}.student-history-details{border-top:1px solid var(--border);grid-column:1/-1;margin-top:14px;padding-top:14px}.student-finish-summary{grid-template-columns:minmax(0,1fr) auto;align-items:center}@media (max-width:980px){.student-history-accordion{grid-template-columns:1fr}}@media (max-width:680px){.student-history-toggle,.student-finish-summary{grid-template-columns:1fr;align-items:stretch;display:grid}.student-history-toggle__badges{flex-wrap:wrap;justify-content:flex-start}.student-history-toggle__badges .scenario-icon-button{margin-top:0}}.cabinet-profile-card{box-shadow:none!important;background:0 0!important;border:0!important;padding:0!important}.cabinet-profile-card .student-profile-header,.cabinet-profile-card .student-profile-toggle,.student-profile-card .student-profile-header,.student-profile-card .student-profile-toggle,.student-profile-shell .student-profile-header,.student-profile-shell .student-profile-toggle{box-shadow:none!important;background:0 0!important;border:0!important;outline:0!important}.cabinet-profile-card .student-profile-toggle,.student-profile-card .student-profile-toggle,.student-profile-shell .student-profile-toggle{padding:0!important}.teacher-tabs,.teacher-subtabs{box-shadow:none!important;background:0 0!important;border:0!important;padding:0!important}.teacher-tab,.subtab{box-shadow:none!important}.teacher-flat{box-shadow:none!important;background:0 0!important;border:0!important}.selector-card .selector-button,.selector-card .student-summary,.selector-card .teacher-card-header,.selector-card>div[style*=space-between],.selector-card>div[style*=center]{box-shadow:none!important;background:0 0!important;border:0!important;outline:0!important}.selector-card .selector-button{border-radius:0!important;padding:0!important}.selector-card input.input,.selector-card textarea.textarea,.selector-card select.select{box-shadow:none!important}.teacher-shell{padding-top:20px}.teacher-shell>.glass.card,.admin-shell>.glass.card,.student-dashboard-grid>.glass.card{box-shadow:0 20px 70px #0f172a14!important}.teacher-shell>.cabinet-profile-card,.admin-shell>.cabinet-profile-card,.student-dashboard-grid>.cabinet-profile-card{box-shadow:none!important}.cabinet-profile-details{box-shadow:none!important;border:0!important}.cabinet-profile-card strong,.selector-button strong,.student-summary__content strong,.teacher-card-header strong{font-weight:650!important}.admin-shell .cabinet-profile-card,.teacher-shell .cabinet-profile-card,.student-dashboard-grid .cabinet-profile-card,.student-profile-shell.cabinet-profile-card{box-shadow:none!important;background:0 0!important;border:0!important;outline:0!important;padding:0!important}.admin-shell .cabinet-profile-form,.teacher-shell .cabinet-profile-form,.student-dashboard-grid .cabinet-profile-form,.admin-shell .student-profile-header,.teacher-shell .student-profile-header,.student-dashboard-grid .student-profile-header,.admin-shell .student-profile-toggle,.teacher-shell .student-profile-toggle,.student-dashboard-grid .student-profile-toggle,.student-profile-shell .student-profile-toggle{box-shadow:none!important;background:0 0!important;border:0!important;outline:0!important}.admin-shell .student-profile-toggle,.teacher-shell .student-profile-toggle,.student-dashboard-grid .student-profile-toggle,.student-profile-shell .student-profile-toggle{border-radius:0!important;padding:0!important}.admin-shell .selector-card .selector-button,.admin-shell .selector-card .student-summary,.admin-shell .selector-card .student-summary__content,.teacher-shell .selector-card .selector-button,.teacher-shell .selector-card .student-summary,.teacher-shell .selector-card .student-summary__content,.student-dashboard-grid .selector-card .selector-button,.student-dashboard-grid .selector-card .student-summary,.student-dashboard-grid .selector-card .student-summary__content{box-shadow:none!important;background:0 0!important;border:0!important;border-radius:0!important;outline:0!important}.admin-shell .selector-card .selector-button,.teacher-shell .selector-card .selector-button,.student-dashboard-grid .selector-card .selector-button{min-height:auto!important;padding:0!important}.admin-shell .selector-card,.teacher-shell .selector-card,.student-dashboard-grid .selector-card{overflow:visible}.admin-shell .admin-teacher-header>.selector-button,.admin-shell .admin-teacher-header>button.selector-button,.teacher-shell .teacher-card-header>.selector-button,.teacher-shell .teacher-card-header>button.selector-button{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}.qa-home-card{gap:22px;display:grid}.qa-home-hero{gap:22px!important}.qa-entry-area,.qa-entry-accordion{gap:22px!important;margin-top:0!important}.qa-entry-accordion{grid-template-columns:repeat(2,minmax(0,1fr))}.qa-home-hero-copy,.qa-join-panel,.qa-role-accordion{border-radius:28px}.qa-role-accordion .qa-entry-button{min-height:116px}@media (max-width:920px){.qa-home-card{gap:16px}.qa-home-hero,.qa-entry-accordion{gap:16px!important}}.qa-home-shell,.qa-home-shell.qa-home-shell,main.qa-home-shell{place-items:unset!important;align-items:unset!important;justify-items:unset!important;min-height:100svh!important;padding:clamp(18px,3vh,34px) 16px 28px!important;display:block!important}.qa-home-card,.qa-home-shell .qa-home-card{margin:0 auto!important}.qa-home-card{padding:clamp(20px,2.2vw,26px)!important}.qa-home-header{margin-bottom:22px!important}.qa-home-hero,.qa-role-grid{gap:22px!important}.qa-role-grid{margin-top:22px!important}.qa-entry-button,.qa-role-auth-panel{transform-origin:top}@media (max-width:720px){.qa-home-shell,.qa-home-shell.qa-home-shell,main.qa-home-shell{padding-top:14px!important}.qa-home-header{margin-bottom:16px!important}.qa-home-hero,.qa-role-grid{gap:16px!important}.qa-role-grid{margin-top:16px!important}}.qa-home-page-root,main.qa-home-page-root{width:100%!important;min-height:100svh!important;padding:clamp(18px,3vh,34px) 16px 48px!important;display:block!important;position:relative!important;overflow-x:hidden!important}.qa-home-page-root .qa-home-card{gap:22px!important;width:min(100%,1320px)!important;margin:0 auto!important;padding:clamp(20px,2.2vw,28px)!important;display:grid!important}.qa-home-page-root .qa-home-header{margin:0!important}.qa-home-page-root .qa-home-hero-copy,.qa-home-page-root .qa-join-panel,.qa-home-page-root .qa-role-accordion{min-height:0!important}.qa-home-page-root .qa-home-hero-copy,.qa-home-page-root .qa-join-panel{min-height:220px!important}.qa-home-page-root .qa-accordion-body{margin-top:18px!important}@media (max-width:920px){.qa-home-page-root,main.qa-home-page-root{padding:14px 12px 32px!important}.qa-home-page-root .qa-home-card{gap:16px!important;padding:16px!important}.qa-home-page-root .qa-home-hero,.qa-home-page-root .qa-entry-accordion{grid-template-columns:1fr!important;gap:16px!important}.qa-home-page-root .qa-home-hero-copy,.qa-home-page-root .qa-join-panel{min-height:auto!important}}.qa-home-page-root,main.qa-home-page-root{--lg-ink:#111827e0;--lg-muted:#475569c7;--lg-blue:#2f6df6;--lg-violet:#7c3cff;--lg-cyan:#48d8e8;--lg-card:#ffffff47;--lg-card-strong:#ffffff7a;--lg-stroke:#ffffff94;--lg-shadow:0 36px 90px #3246782e, 0 14px 40px #2653aa1f, inset 0 1px 0 #ffffffe6;width:100%!important;min-height:100svh!important;color:var(--lg-ink)!important;background:radial-gradient(circle at 10% 8%,#ffdb5852,#0000 26%),radial-gradient(circle at 88% 10%,#4e8dff42,#0000 30%),radial-gradient(circle at 76% 88%,#4be4d833,#0000 32%),linear-gradient(135deg,#fffaf0 0%,#f5fbff 37%,#eef5ff 100%)!important;padding:clamp(18px,3vh,32px) clamp(12px,2.2vw,30px) 46px!important;display:block!important;position:relative!important;overflow-x:hidden!important}.qa-home-page-root:before{content:"";pointer-events:none;opacity:.48;background-image:linear-gradient(#ffffff52 1px,#0000 1px),linear-gradient(90deg,#ffffff47 1px,#0000 1px);background-size:74px 74px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#00000094,#0000 78%);mask-image:linear-gradient(#00000094,#0000 78%)}.qa-home-page-root .qa-liquid-orb{pointer-events:none!important;z-index:0!important;filter:blur(18px)saturate(1.2)!important;opacity:.72!important;position:fixed!important}.qa-home-page-root .qa-liquid-orb-one{background:radial-gradient(circle,#ffda4b80,#0000 67%)!important;width:280px!important;height:280px!important;top:5%!important;left:6%!important}.qa-home-page-root .qa-liquid-orb-two{background:radial-gradient(circle,#4e87ff6b,#0000 68%)!important;width:360px!important;height:360px!important;top:3%!important;right:5%!important}.qa-home-page-root .qa-liquid-orb-three{background:radial-gradient(circle,#30ddd252,#0000 68%)!important;width:310px!important;height:310px!important;bottom:4%!important;right:18%!important}.qa-home-page-root .qa-home-card{z-index:1!important;-webkit-backdrop-filter:blur(30px)saturate(1.2)!important;backdrop-filter:blur(30px)saturate(1.2)!important;width:min(100%,1240px)!important;box-shadow:var(--lg-shadow), 0 1px 0 #fffc inset!important;background:linear-gradient(135deg,#ffffffa8,#ffffff47 48%,#d8ebff57),#ffffff38!important;border:1px solid #ffffffb8!important;border-radius:clamp(30px,4vw,54px)!important;gap:clamp(18px,2vw,24px)!important;margin:0 auto!important;padding:clamp(22px,3vw,36px)!important;display:grid!important;position:relative!important;overflow:hidden!important}.qa-home-page-root .qa-home-card:before{content:"";pointer-events:none;border-radius:inherit;-webkit-mask-composite:xor;background:linear-gradient(145deg,#ffffffc7,#0000 26% 64%,#82bdff3d);padding:1px;position:absolute;inset:1px;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.qa-home-page-root .qa-home-header{min-height:unset!important;margin:0!important}.qa-home-page-root .qa-home-logo{filter:drop-shadow(0 12px 20px #36508221)!important;align-items:center!important;gap:14px!important;display:inline-flex!important}.qa-home-page-root .qa-home-crown{color:#ffd447!important;background:linear-gradient(145deg,#ffffffd9,#ffffff52),#ffffff57!important;border:1px solid #ffffffb8!important;border-radius:22px!important;place-items:center!important;width:58px!important;height:58px!important;display:inline-grid!important;box-shadow:0 14px 28px #ffcc3a2e,inset 0 1px #ffffffe6!important}.qa-home-page-root .qa-home-crown svg{width:38px!important;height:38px!important}.qa-home-page-root .qa-home-wordmark{letter-spacing:-.06em!important;color:#464f67eb!important;font-size:clamp(38px,4.6vw,62px)!important;font-weight:600!important;line-height:.95!important}.qa-home-page-root .qa-home-wordmark span{color:#ffd447!important;text-shadow:0 12px 26px #ffcd402e!important}.qa-home-page-root .qa-home-hero,.qa-home-page-root .qa-entry-accordion{grid-template-columns:repeat(2,minmax(0,1fr))!important;align-items:stretch!important;gap:clamp(18px,2vw,24px)!important;margin:0!important;display:grid!important}.qa-home-page-root .qa-home-hero-copy,.qa-home-page-root .qa-join-panel,.qa-home-page-root .qa-role-accordion{-webkit-backdrop-filter:blur(24px)saturate(1.18)!important;backdrop-filter:blur(24px)saturate(1.18)!important;background:linear-gradient(145deg,#ffffffb8,#ffffff42 62%,#e7f7ff57),#ffffff42!important;border:1px solid #ffffffa8!important;border-radius:34px!important;position:relative!important;overflow:hidden!important;box-shadow:0 18px 42px #4358821c,inset 0 2px #ffffffb8,inset 0 -1px #78aeff24!important}.qa-home-page-root .qa-home-hero-copy:after,.qa-home-page-root .qa-join-panel:after,.qa-home-page-root .qa-role-accordion:after{content:"";pointer-events:none;background:radial-gradient(circle,#50e8d742,#0000 70%);border-radius:999px;width:190px;height:190px;position:absolute;bottom:-86px;right:-64px}.qa-home-page-root .qa-home-hero-copy{flex-direction:column!important;justify-content:center!important;min-height:255px!important;padding:clamp(28px,4vw,54px)!important;display:flex!important}.qa-home-page-root .qa-home-eyebrow{color:var(--lg-blue)!important;letter-spacing:.22em!important;text-transform:uppercase!important;margin:0 0 14px!important;font-size:clamp(12px,1.1vw,15px)!important;font-weight:650!important;line-height:1.2!important}.qa-home-page-root .qa-home-hero-copy h1{color:#58637de6!important;letter-spacing:-.055em!important;max-width:760px!important;margin:0!important;font-size:clamp(30px,3.35vw,54px)!important;font-weight:500!important;line-height:1.02!important}.qa-home-page-root .qa-join-panel{flex-direction:column!important;justify-content:center!important;gap:22px!important;min-height:255px!important;padding:clamp(28px,3.4vw,50px)!important;display:flex!important}.qa-home-page-root .qa-join-head{align-items:center!important;gap:16px!important;display:flex!important}.qa-home-page-root .qa-panel-icon,.qa-home-page-root .qa-role-card-icon{width:56px!important;height:56px!important;color:var(--lg-blue)!important;background:linear-gradient(145deg,#ffffffd1,#ffffff3d)!important;border:1px solid #ffffffb8!important;border-radius:20px!important;flex:none!important;place-items:center!important;display:inline-grid!important;box-shadow:0 12px 26px #296df61f,inset 0 1px #ffffffdb!important}.qa-home-page-root .qa-panel-icon svg,.qa-home-page-root .qa-role-card-icon svg{width:30px!important;height:30px!important}.qa-home-page-root .qa-join-head h2,.qa-home-page-root .qa-entry-button strong{color:var(--lg-ink)!important;letter-spacing:-.04em!important;margin:0!important;font-size:clamp(22px,2vw,30px)!important;font-weight:620!important;line-height:1.05!important}.qa-home-page-root .qa-join-head p,.qa-home-page-root .qa-entry-button small,.qa-home-page-root .qa-auth-head p,.qa-home-page-root .qa-home-hint{color:var(--lg-muted)!important;margin:7px 0 0!important;font-size:clamp(15px,1.25vw,18px)!important;font-weight:450!important;line-height:1.28!important}.qa-home-page-root .qa-join-form{grid-template-columns:minmax(0,1fr) auto!important;align-items:center!important;gap:14px!important;display:grid!important}.qa-home-page-root .input,.qa-home-page-root input.input{color:#1f2937d6!important;-webkit-backdrop-filter:blur(16px)saturate(1.15)!important;backdrop-filter:blur(16px)saturate(1.15)!important;background:#ffffff80!important;border:1px solid #ffffffc2!important;border-radius:22px!important;height:60px!important;font-size:17px!important;font-weight:450!important;box-shadow:inset 0 1px #ffffffe6,0 10px 28px #2b4d8214!important}.qa-home-page-root .input::placeholder{color:#5b677e7a!important}.qa-home-page-root .button,.qa-home-page-root button.button,.qa-home-page-root .qa-join-button,.qa-home-page-root .qa-form-button{color:#fffffff0!important;text-shadow:0 1px 1px #1e28782e!important;background:linear-gradient(135deg,#5c3af5f5,#2d6ff6f5 54%,#3ed2e1cc)!important;border:1px solid #ffffff85!important;border-radius:22px!important;min-height:60px!important;font-size:17px!important;font-weight:560!important;box-shadow:0 18px 32px #375fe640,inset 0 2px #ffffff70,inset 0 -8px 18px #2138aa33!important}.qa-home-page-root .button:hover,.qa-home-page-root .qa-join-button:hover,.qa-home-page-root .qa-form-button:hover{filter:saturate(1.05)brightness(1.02)!important;transform:translateY(-1px)!important}.qa-home-page-root .button.secondary{color:var(--lg-blue)!important;text-shadow:none!important;background:#ffffff75!important;box-shadow:inset 0 1px #ffffffc7,0 12px 28px #2a4d8214!important}.qa-home-page-root .qa-entry-button,.qa-home-page-root .qa-accordion-trigger{text-align:left!important;width:100%!important;min-height:126px!important;color:inherit!important;cursor:pointer!important;background:0 0!important;border:0!important;align-items:center!important;gap:18px!important;padding:26px!important;display:flex!important}.qa-home-page-root .qa-role-accordion.is-active{background:linear-gradient(145deg,#ffffffc2,#e8f5ff57 56%,#ede6ff47),#ffffff47!important}.qa-home-page-root .qa-role-accordion.is-active:before{content:"";filter:blur(10px);background:radial-gradient(circle,#7854ff3d,#0000 70%);border-radius:999px;height:90px;position:absolute;inset:auto 30px -36px}.qa-home-page-root .qa-accordion-body{z-index:2!important;-webkit-backdrop-filter:blur(22px)saturate(1.12)!important;backdrop-filter:blur(22px)saturate(1.12)!important;background:#ffffff61!important;border:1px solid #ffffff9e!important;border-radius:28px!important;margin:-2px 18px 18px!important;padding:18px!important;position:relative!important;box-shadow:inset 0 1px #ffffffc7,0 12px 28px #37548c14!important}.qa-home-page-root .qa-mode-switch{background:#e1efff8f!important;border:1px solid #ffffffb8!important;border-radius:22px!important;width:fit-content!important;max-width:100%!important;padding:6px!important;box-shadow:inset 0 1px #ffffffc7,0 10px 24px #37548c14!important}.qa-home-page-root .qa-mode-switch button{color:#3a4865c2!important;background:0 0!important;border:0!important;border-radius:16px!important;min-height:44px!important;padding:0 24px!important;font-size:15px!important;font-weight:560!important}.qa-home-page-root .qa-mode-switch button.is-active{color:var(--lg-blue)!important;background:#ffffffc2!important;box-shadow:0 10px 20px #37548c1a,inset 0 1px #ffffffe6!important}.qa-home-page-root .qa-auth-head h2{color:var(--lg-ink)!important;letter-spacing:-.04em!important;margin:16px 0 0!important;font-size:clamp(22px,2vw,28px)!important;font-weight:590!important}.qa-home-page-root .qa-auth-form,.qa-home-page-root .qa-auth-ready{gap:12px!important;margin-top:16px!important;display:grid!important}.qa-home-page-root .qa-link-button{color:#2f6df6c7!important;background:0 0!important;border:0!important;width:fit-content!important;padding:8px 4px!important;font-weight:560!important}@media (max-width:980px){.qa-home-page-root,main.qa-home-page-root{padding:12px 10px 30px!important}.qa-home-page-root .qa-home-card{border-radius:32px!important;gap:16px!important;padding:18px!important}.qa-home-page-root .qa-home-hero,.qa-home-page-root .qa-entry-accordion{grid-template-columns:1fr!important;gap:16px!important}.qa-home-page-root .qa-home-hero-copy,.qa-home-page-root .qa-join-panel{min-height:auto!important;padding:24px!important}.qa-home-page-root .qa-home-wordmark{font-size:clamp(34px,12vw,52px)!important}.qa-home-page-root .qa-home-crown{border-radius:20px!important;width:52px!important;height:52px!important}.qa-home-page-root .qa-home-hero-copy h1{font-size:clamp(30px,9vw,42px)!important;line-height:1.04!important}.qa-home-page-root .qa-join-form{grid-template-columns:1fr!important}.qa-home-page-root .qa-entry-button{min-height:104px!important;padding:20px!important}}@media (max-width:560px){.qa-home-page-root .qa-home-card{border-radius:28px!important;padding:14px!important}.qa-home-page-root .qa-home-logo{gap:10px!important}.qa-home-page-root .qa-home-crown{border-radius:17px!important;width:44px!important;height:44px!important}.qa-home-page-root .qa-home-crown svg{width:30px!important;height:30px!important}.qa-home-page-root .qa-home-wordmark{font-size:38px!important}.qa-home-page-root .qa-home-hero-copy,.qa-home-page-root .qa-join-panel{border-radius:26px!important;padding:20px!important}.qa-home-page-root .qa-join-head{align-items:flex-start!important}.qa-home-page-root .qa-panel-icon,.qa-home-page-root .qa-role-card-icon{border-radius:18px!important;width:48px!important;height:48px!important}.qa-home-page-root .qa-entry-button{align-items:flex-start!important}}:root{--lg-ink:#111827e0;--lg-muted:#475569c2;--lg-blue:#2f6df6;--lg-violet:#7c3cff;--lg-cyan:#48d8e8;--lg-yellow:#ffd447;--lg-glass:#ffffff57;--lg-glass-strong:#ffffff8c;--lg-glass-soft:#ffffff38;--lg-stroke:#ffffffad;--lg-stroke-blue:#5d99ff47;--lg-shadow:0 30px 80px #32467826, 0 12px 36px #2653aa1a, inset 0 1px 0 #ffffffd1;--lg-shadow-soft:0 18px 46px #4358821c, 0 2px 0 #ffffffad inset, 0 -1px 0 #78aeff1f inset}html,body{min-height:100%;color:var(--lg-ink);font-family:SF Pro Display,Inter,Segoe UI,system-ui,-apple-system,sans-serif;background:radial-gradient(circle at 8% 3%,#ffdb5857,#0000 30%),radial-gradient(circle at 88% 5%,#4e8dff47,#0000 33%),radial-gradient(circle at 72% 90%,#4be4d833,#0000 33%),linear-gradient(135deg,#fffaf0 0%,#f5fbff 39%,#eef5ff 100%)!important}body:before{content:"";z-index:-2;pointer-events:none;opacity:.38;background-image:linear-gradient(#ffffff4d 1px,#0000 1px),linear-gradient(90deg,#ffffff42 1px,#0000 1px);background-size:76px 76px;position:fixed;inset:0;-webkit-mask-image:linear-gradient(#0000008c,#0000 82%);mask-image:linear-gradient(#0000008c,#0000 82%)}body:after{content:"";z-index:-1;pointer-events:none;filter:blur(26px)saturate(1.25);background:radial-gradient(circle,#48d8e83d,#0000 66%);border-radius:999px;width:42vw;min-width:360px;height:42vw;min-height:360px;position:fixed;inset:auto -12% -18% auto}.page-shell,.admin-shell,.teacher-shell,.student-shell,.qa-admin-login-shell,.qa-reset-shell,.quiz-invite-shell,.arena-shell{z-index:1;position:relative}.page-shell,.admin-shell,.teacher-shell,.student-shell{width:min(100% - 32px,1360px)!important;margin:0 auto!important;padding:clamp(18px,3vh,34px) 0 52px!important}.cabinet-heading,.topbar,.brand{color:var(--lg-ink)!important}.brand strong,.cabinet-heading strong,.qa-home-eyebrow{color:var(--lg-blue)!important;letter-spacing:.22em!important;font-weight:650!important}.brand span,.section-subtitle,.muted,.student-profile-toggle__label,.student-summary__meta,.quiz-card-muted-text,.student-history-row__meta{color:var(--lg-muted)!important;font-weight:450!important}.section-title,.cabinet-heading h1,.card h1,.card h2,.card h3{color:var(--lg-ink)!important;letter-spacing:-.045em!important;font-weight:580!important}.glass,.card,.teacher-flat,.admin-full-panel,.student-profile-shell,.student-quizzes-shell,.student-history-shell,.student-activities-empty,.qa-admin-login-card,.quiz-invite-card,.qa-reset-card,.confirm-dialog,.quiz-qr-dialog,.selector-card,.question-card,.metric,.student-finish-summary,.student-history-accordion,.round-background-placeholder,.round-background-preview{position:relative;overflow:hidden;border:1px solid var(--lg-stroke)!important;-webkit-backdrop-filter:blur(24px)saturate(1.18)!important;backdrop-filter:blur(24px)saturate(1.18)!important;box-shadow:var(--lg-shadow-soft)!important;background:linear-gradient(145deg,#ffffffa3,#ffffff3d 62%,#e7f7ff4d),#ffffff42!important;border-radius:32px!important}.glass:before,.card:before,.teacher-flat:before,.admin-full-panel:before,.student-profile-shell:before,.student-quizzes-shell:before,.student-history-shell:before,.quiz-invite-card:before,.qa-admin-login-card:before,.qa-reset-card:before{content:"";pointer-events:none;border-radius:inherit;-webkit-mask-composite:xor;background:linear-gradient(145deg,#ffffffb8,#0000 28% 68%,#82bdff33);padding:1px;position:absolute;inset:1px;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.cabinet-profile-card,.student-profile-shell.cabinet-profile-card{padding:clamp(18px,2.4vw,28px)!important}.student-profile-header,.student-profile-toggle,.student-profile-toggle__content,.cabinet-profile-form,.cabinet-profile-details,.admin-teacher-header,.student-summary__content,.student-summary__row{box-shadow:none!important;background:0 0!important;border:0!important;outline:0!important}.cabinet-profile-details.card,.cabinet-profile-details{margin-top:14px!important;padding:0!important}.student-profile-toggle{align-items:center;gap:14px;min-width:0;display:flex}.student-avatar,.student-avatar-fallback,.qa-home-crown,.qa-panel-icon,.qa-role-card-icon,.question-type-meta__icon{background:linear-gradient(145deg,#ffffffd1,#ffffff3d),#ffffff61!important;border:1px solid #ffffffb8!important;border-radius:22px!important;box-shadow:0 12px 26px #296df61a,inset 0 1px #ffffffdb!important}.input,.textarea,.select,select,textarea,input[type=text],input[type=email],input[type=password],input[type=number]{color:#1f2937d6!important;-webkit-backdrop-filter:blur(16px)saturate(1.15)!important;backdrop-filter:blur(16px)saturate(1.15)!important;background:#ffffff7a!important;border:1px solid #ffffffbd!important;border-radius:22px!important;font-weight:430!important;box-shadow:inset 0 1px #ffffffe0,0 10px 28px #2b4d8212!important}.input:focus,.textarea:focus,.select:focus,select:focus,textarea:focus,input:focus{border-color:#518dffbd!important;box-shadow:0 0 0 4px #5087ff1f,inset 0 1px #ffffffe6,0 12px 30px #2b4d8214!important}.input::placeholder,.textarea::placeholder{color:#5b677e7a!important}.button,button.button,.button-start-game,.admin-inline-action,.qa-form-button,.qa-join-button{color:#fffffff0!important;text-shadow:0 1px 1px #1e287829!important;background:linear-gradient(135deg,#5c3af5f5,#2d6ff6f5 54%,#3ed2e1c7)!important;border:1px solid #ffffff8a!important;border-radius:22px!important;font-weight:560!important;transition:transform .18s,filter .18s,box-shadow .18s!important;box-shadow:0 18px 32px #375fe63b,inset 0 2px #ffffff70,inset 0 -8px 18px #2138aa30!important}.button:hover,button.button:hover,.scenario-icon-button:hover,.selector-button:hover,.student-history-toggle:hover{filter:saturate(1.05)brightness(1.02)!important;transform:translateY(-1px)!important}.button.secondary,button.button.secondary,.secondary,.admin-teacher-copy{color:var(--lg-blue)!important;text-shadow:none!important;background:#ffffff75!important;border:1px solid #ffffffad!important;box-shadow:inset 0 1px #ffffffc7,0 12px 28px #2a4d8214!important}.button.danger,.scenario-icon-button-danger,.button.danger.secondary{color:#dc2b59!important;background:#ffeff385!important;border:1px solid #ffadbeb8!important;box-shadow:inset 0 1px #ffffffc7,0 12px 28px #dc2b5914!important}.scenario-icon-button,.student-profile-toggle__chevron,.student-history-toggle,.quiz-create-choice__icon,.status-toggle__icon{color:var(--lg-blue)!important;-webkit-backdrop-filter:blur(16px)saturate(1.15)!important;backdrop-filter:blur(16px)saturate(1.15)!important;background:linear-gradient(145deg,#ffffffb3,#ffffff38),#ffffff47!important;border:1px solid #ffffffb3!important;border-radius:24px!important;place-items:center!important;display:inline-grid!important;box-shadow:0 14px 30px #296df61a,inset 0 1px #ffffffdb!important}.pill,.status-active,.status-qualified,.status-finished,.status-eliminated,.status-draft,.status-ready,.status-waiting,.status-published,.arena-card-pill,.quiz-invite-badge{color:#2a3a56db!important;-webkit-backdrop-filter:blur(14px)saturate(1.12)!important;backdrop-filter:blur(14px)saturate(1.12)!important;background:#ffffff6b!important;border:1px solid #ffffffa6!important;border-radius:999px!important;font-weight:560!important;box-shadow:inset 0 1px #ffffffc7,0 10px 24px #37548c0f!important}.arena-card-pill.is-live{color:#15803d!important;background:#22c55e2e!important;border-color:#22c55e6b!important;box-shadow:inset 0 1px #ffffffc7,0 10px 24px #22c55e1f!important}.arena-card-pill.is-waiting{color:#9a6700!important;background:#ffd54f3d!important;border-color:#ffd54f8a!important;box-shadow:inset 0 1px #ffffffc7,0 10px 24px #ffd54f29!important}.arena-card-timer{color:#274060!important;background:#ffffff3d!important;border-color:#ffffff94!important;box-shadow:inset 0 1px #ffffffc7,0 10px 24px #37548c14!important}.status-active,.status-qualified{color:#18834a!important;background:#d3ffe28f!important}.status-eliminated{color:#d62c58!important;background:#ffe8ee9e!important}.status-ready,.status-draft,.status-waiting,.status-published{color:#2365d8!important;background:#dcebff94!important}.teacher-tabs,.teacher-subtabs,.subtabs,.qa-mode-switch,.status-toggle-group{-webkit-backdrop-filter:blur(16px)saturate(1.14)!important;backdrop-filter:blur(16px)saturate(1.14)!important;background:#e1efff75!important;border:1px solid #ffffffad!important;border-radius:28px!important;padding:6px!important;box-shadow:inset 0 1px #ffffffb8,0 12px 28px #37548c12!important}.teacher-tabs button,.teacher-subtabs button,.subtabs button,.qa-mode-switch button,.status-toggle-group button{color:#3a4865bf!important;background:0 0!important;border:0!important;border-radius:22px!important;font-weight:540!important}.teacher-tabs button.active,.teacher-subtabs button.active,.subtabs button.active,.qa-mode-switch button.is-active,.status-toggle-group button.active,.status-toggle-group button.is-active{color:var(--lg-blue)!important;background:#ffffffc7!important;box-shadow:0 10px 20px #37548c1a,inset 0 1px #ffffffe6!important}.selector-card,.student-summary,.student-history-row,.student-activity-item,.question-card,.matching-row,.matching-touch-question,.touch-sort-list>*,.quiz-card-actions,.admin-teacher-card__actions{border-color:#ffffff9e!important}.selector-button,.student-summary,.student-history-row,.student-activity-item,.matching-row,.matching-touch-question,.touch-sort-content{box-shadow:none!important;background:0 0!important}.selector-card,.student-history-accordion,.question-card{border-radius:28px!important;padding:clamp(16px,2vw,24px)!important}.admin-teacher-header .selector-button,.student-summary__row .selector-button,.student-summary__content,.student-history-toggle__main,.student-profile-toggle__content,.admin-inline-link,.student-summary,.student-summary__row,.student-history-toggle,.student-history-toggle__main,.student-history-toggle__badges{box-shadow:none!important;background:0 0!important;border:0!important;outline:none!important}.student-history-toggle{min-width:58px;height:58px;background:linear-gradient(145deg,#ffffffb3,#ffffff38),#ffffff47!important;border:1px solid #ffffffb3!important;border-radius:22px!important;width:auto!important;box-shadow:0 14px 30px #296df61a,inset 0 1px #ffffffdb!important}.arena-stage,.arena-viewport,.arena-panel,.arena-hud,.arena-summary,.arena-card,.arena-player,.arena-round-card{-webkit-backdrop-filter:blur(24px)saturate(1.18)!important;backdrop-filter:blur(24px)saturate(1.18)!important;box-shadow:var(--lg-shadow-soft)!important;background:linear-gradient(145deg,#ffffff9e,#ffffff3d 62%,#e7f7ff47),#ffffff3d!important;border:1px solid #ffffffa8!important;border-radius:32px!important}@media (max-width:760px){.page-shell,.admin-shell,.teacher-shell,.student-shell{width:min(100% - 20px,1360px)!important;padding-top:12px!important}.glass,.card,.teacher-flat,.admin-full-panel,.student-profile-shell,.student-quizzes-shell,.student-history-shell,.selector-card,.question-card{border-radius:26px!important}.teacher-card-actions,.quiz-card-actions,.admin-teacher-card__actions,.student-profile-actions{grid-template-columns:repeat(auto-fit,minmax(54px,1fr))!important;gap:10px!important;width:100%!important;display:grid!important}.scenario-icon-button,.student-profile-toggle__chevron,.student-history-toggle{min-width:54px!important;min-height:54px!important}.student-summary__row,.admin-teacher-header{align-items:flex-start!important;gap:12px!important}.input,.textarea,.select,.button{min-height:52px!important}}.arena-screen-liquid,.arena-screen-shell.arena-screen-liquid{color:#fffffff0!important;background:radial-gradient(circle at 10% 0,#ffd64f29,#0000 28%),radial-gradient(circle at 88% 5%,#4982ff2e,#0000 34%),linear-gradient(135deg,#07111f 0%,#0b1a31 46%,#050b15 100%)!important}.arena-stage-shell.arena-stage-liquid,.arena-stage.arena-stage-liquid{isolation:isolate!important;background:radial-gradient(circle at 16% 18%,#377cff5c 0%,#377cff00 31%),radial-gradient(circle at 86% 16%,#ffd44733 0%,#ffd44700 25%),radial-gradient(circle at 68% 84%,#48d8e838 0%,#48d8e800 32%),linear-gradient(135deg,#050c18fa 0%,#0a1c36fa 48%,#040912fa 100%)!important;border:1px solid #b5d3ff4d!important;position:relative!important;box-shadow:0 34px 90px #0000006b,inset 0 1px #fff3,inset 0 -1px #48d8e81a!important}.arena-stage-liquid:before{content:"";z-index:0;pointer-events:none;border-radius:inherit;background:linear-gradient(#02081229,#02081275),radial-gradient(circle at 50% 46%,#ffffff0e,#0000 42%);position:absolute;inset:0}.arena-stage-liquid:after{content:"";z-index:0;pointer-events:none;border-radius:inherit;border:1px solid #ffffff21;position:absolute;inset:1px;box-shadow:inset 0 0 42px #97c6ff1a}.arena-liquid-orbs,.arena-liquid-grid{z-index:0!important;opacity:.58!important}.arena-hud{width:min(520px,100% - 108px);z-index:6!important;color:#fffffff5!important;text-shadow:0 2px 14px #0000006b!important;-webkit-backdrop-filter:blur(24px)saturate(1.18)!important;backdrop-filter:blur(24px)saturate(1.18)!important;background:linear-gradient(145deg,#ffffff29,#ffffff0e),#050e1c8f!important;border:1px solid #fff3!important;border-radius:28px!important;padding:20px 24px!important;box-shadow:0 22px 52px #00000042,inset 0 1px #ffffff3d!important}.arena-hud-line{color:#fffffff5!important;font-weight:560!important}.arena-hud-label,.arena-summary-kicker,.arena-summary-head p{color:#ffe082f5!important}.arena-path,.arena-players,.arena-eliminated-players,.arena-idle,.line-cutoff.arena-line{position:absolute!important}.arena-path{filter:drop-shadow(0 10px 18px #00000047);z-index:1!important}.line-cutoff.arena-line{filter:drop-shadow(0 6px 16px #ffd54f57);z-index:2!important}.arena-players{z-index:4!important}.arena-eliminated-players,.arena-idle{z-index:5!important}.arena-player{box-shadow:none!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:0 0!important;border:0!important}.arena-avatar-image,.arena-winner-avatar,.arena-results-avatar{border:3px solid #ffffffe0!important;box-shadow:0 14px 34px #00000057,0 0 0 6px #ffffff0f!important}.arena-summary{z-index:7!important;-webkit-backdrop-filter:blur(26px)saturate(1.15)!important;backdrop-filter:blur(26px)saturate(1.15)!important;background:linear-gradient(145deg,#ffffff24,#ffffff0e),#040d1c94!important;border:1px solid #ffffff2e!important;box-shadow:0 26px 70px #00000057,inset 0 1px #fff3!important}.arena-summary-head,.arena-summary-head h1{color:#fffffff5!important;text-shadow:0 8px 24px #00000052!important}.arena-results-item{color:#ffffffeb!important;background:linear-gradient(145deg,#ffffff21,#ffffff0b),#05102280!important;border:1px solid #ffffff29!important;border-radius:28px!important;min-height:92px!important;box-shadow:inset 0 1px #ffffff29,0 16px 34px #00000029!important}.arena-results-item-qualified{color:#ffe082fa!important}.arena-results-item-other{color:#9de4fff2!important}.arena-winner-name{color:#ffd54f!important;text-shadow:0 12px 34px #0000006b!important;font-weight:760!important}.arena-idle-title{color:#fffffff0!important;text-shadow:0 14px 34px #0000006b!important}@media (max-width:760px){.arena-hud{width:calc(100% - 36px)!important;padding:16px 18px!important;top:18px!important;left:18px!important}.arena-summary{padding:18px!important;inset:16px!important}}.quiz-mode-actions,.quiz-mode-flow-actions{align-items:center!important;gap:10px!important;display:inline-flex!important}.quiz-mode-flow-actions{border-left:1px solid #2563eb29!important;margin-left:4px!important;padding-left:12px!important}.quiz-mode-icon-button{color:#2563eb!important;-webkit-backdrop-filter:blur(18px)saturate(1.2)!important;backdrop-filter:blur(18px)saturate(1.2)!important;cursor:pointer!important;background:linear-gradient(145deg,#ffffffc7,#ffffff5c),#eff6ff94!important;border:1px solid #bfdbfeb8!important;border-radius:999px!important;place-items:center!important;width:56px!important;min-width:56px!important;height:56px!important;transition:transform .18s,background .18s,border-color .18s,color .18s,box-shadow .18s,filter .18s!important;display:inline-grid!important;box-shadow:inset 0 1px #ffffffc7,inset 0 -10px 24px #2563eb0b,0 14px 28px #2563eb17!important}.quiz-mode-icon-button:hover{color:#1d4ed8!important;background:linear-gradient(145deg,#ffffffe6,#eff6ff80),#dbeafeb8!important;border-color:#93c5fdd6!important;transform:translateY(-1px)!important;box-shadow:inset 0 1px #ffffffdb,inset 0 -10px 24px #2563eb0e,0 18px 34px #2563eb21!important}.quiz-mode-icon-button.active{color:#18834a!important;background:linear-gradient(145deg,#f0fdf4f0,#bbf7d07a),#dcfce7c7!important;border-color:#4ade80b8!important;box-shadow:inset 0 1px #ffffffe0,inset 0 -12px 24px #16a34a14,0 16px 32px #16a34a24,0 0 0 5px #22c55e14!important}.quiz-mode-icon-button.active:hover{color:#18834a!important;border-color:#22c55ec7!important}.quiz-mode-icon-button svg{stroke-width:1.85px!important;width:22px!important;height:22px!important;display:block!important}.quiz-create-choice__icon{color:#2563eb!important;background:linear-gradient(145deg,#ffffffd1,#eff6ff75),#eff6ffad!important;border:1px solid #bfdbfe9e!important;border-radius:999px!important;place-items:center!important;width:44px!important;min-width:44px!important;height:44px!important;display:inline-grid!important;box-shadow:inset 0 1px #ffffffc7,0 10px 22px #2563eb14!important}.quiz-create-choice.active .quiz-create-choice__icon{color:#18834a!important;background:linear-gradient(145deg,#f0fdf4f0,#bbf7d07a),#dcfce7c7!important;border-color:#4ade80b8!important;box-shadow:inset 0 1px #ffffffe0,0 12px 24px #16a34a1f!important}@media (max-width:720px){.quiz-mode-actions,.quiz-mode-flow-actions{gap:8px!important}.quiz-mode-flow-actions{border-left:0!important;margin-left:0!important;padding-left:0!important}.quiz-mode-icon-button{width:50px!important;min-width:50px!important;height:50px!important}}.quiz-mode-icon-button,.quiz-mode-icon-button:hover,.quiz-mode-icon-button.active,.quiz-mode-icon-button.active:hover{-webkit-backdrop-filter:blur(18px)saturate(1.2)!important;backdrop-filter:blur(18px)saturate(1.2)!important;filter:none!important;background:linear-gradient(145deg,#ffffffc7,#ffffff5c),#eff6ff94!important;border-color:#bfdbfeb8!important;box-shadow:inset 0 1px #ffffffc7,inset 0 -10px 24px #2563eb0b,0 14px 28px #2563eb17!important}.quiz-mode-icon-button{color:#2563eb!important}.quiz-mode-icon-button:hover{color:#1d4ed8!important;transform:translateY(-1px)!important}.quiz-mode-icon-button.active,.quiz-mode-icon-button.active:hover{color:#18834a!important}.quiz-mode-icon-button.active svg,.quiz-mode-icon-button.active:hover svg{color:#18834a!important;stroke:currentColor!important}.quiz-create-choice:hover{background:inherit!important;box-shadow:inherit!important}.quiz-create-choice.active{background:inherit!important;box-shadow:inherit!important;border-color:inherit!important;color:var(--text)!important}.quiz-create-choice__icon,.quiz-create-choice:hover .quiz-create-choice__icon,.quiz-create-choice.active .quiz-create-choice__icon,.quiz-create-choice.active:hover .quiz-create-choice__icon{-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:linear-gradient(145deg,#ffffffd1,#eff6ff75),#eff6ffad!important;border-color:#bfdbfe9e!important;box-shadow:inset 0 1px #ffffffc7,0 10px 22px #2563eb14!important}.quiz-create-choice__icon{color:#2563eb!important}.quiz-create-choice.active .quiz-create-choice__icon,.quiz-create-choice.active:hover .quiz-create-choice__icon{color:#18834a!important}.quiz-create-choice.active .quiz-create-choice__icon svg,.quiz-create-choice.active:hover .quiz-create-choice__icon svg{color:#18834a!important;stroke:currentColor!important}.quiz-qr-status,.quiz-qr-status:not(.is-enabled),.quiz-qr-status.is-disabled,.quiz-qr-status.is-off,.quiz-qr-status.is-closed,.quiz-qr-status[data-state=disabled],.quiz-qr-status[data-status=disabled]{color:#e11d48!important;background:linear-gradient(145deg,#fff1f2eb,#fee2e294),#fff1f2c7!important;border-color:#fda4afc7!important}.quiz-qr-status.is-enabled,.quiz-qr-status[data-state=enabled],.quiz-qr-status[data-status=enabled]{color:#18834a!important;background:linear-gradient(145deg,#f0fdf4eb,#bbf7d08a),#dcfce7c7!important;border-color:#86efacc7!important}.qa-arena-empty-page{background:radial-gradient(circle at 18% 14%,#ffd54f42,#0000 30%),radial-gradient(circle at 82% 20%,#2563eb33,#0000 34%),radial-gradient(circle at 70% 86%,#0ea5a42e,#0000 28%),#f6f8fb;place-items:center;min-height:100svh;padding:clamp(20px,4vw,56px);display:grid}.qa-arena-empty-card{-webkit-backdrop-filter:blur(28px)saturate(1.18);background:#ffffff8f;border:1px solid #ffffffb8;border-radius:36px;gap:18px;width:min(720px,100%);padding:clamp(28px,5vw,52px);display:grid;box-shadow:0 28px 90px #1f293724,inset 0 1px #ffffffb8}.qa-arena-empty-badge{color:#2563eb;letter-spacing:.08em;text-transform:uppercase;background:#ffffff9e;border:1px solid #ffffffc2;border-radius:999px;width:fit-content;padding:8px 14px;font-size:14px;font-weight:600}.qa-arena-empty-card h1{color:#172033;letter-spacing:-.06em;max-width:620px;margin:0;font-size:clamp(38px,6vw,68px);font-weight:560;line-height:.96}.qa-arena-empty-card p{color:#667085;max-width:620px;margin:0;font-size:clamp(17px,2.2vw,22px);line-height:1.42}.qa-arena-empty-card p span{color:#2563eb;font-weight:600}.qa-arena-empty-actions{flex-wrap:wrap;gap:12px;margin-top:8px;display:flex}.qa-arena-empty-actions .button{min-width:190px}.quiz-qr-code-row{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;display:grid}.quiz-qr-code-input{letter-spacing:.08em;text-transform:uppercase;font-weight:700}.quiz-qr-link-label{margin-top:14px;display:block}@media (max-width:720px){.qa-arena-empty-page{place-items:start center}.qa-arena-empty-actions,.qa-arena-empty-actions .button,.quiz-qr-code-row,.quiz-qr-code-row .button{width:100%}.quiz-qr-code-row{grid-template-columns:1fr}}.quiz-qr-close-button{flex:none}.quiz-qr-copy-field{color:#172033;cursor:pointer;text-align:left;background:#ffffff9e;border:1px solid #ffffffdb;border-radius:999px;justify-content:flex-start;align-items:center;width:100%;min-height:58px;padding:0 22px;display:flex;overflow:hidden;box-shadow:inset 0 1px #ffffffd1,0 10px 28px #0f172a14}.quiz-qr-copy-field:hover{background:#ffffffc7}.quiz-qr-copy-field span{text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:clamp(16px,2vw,24px);display:block;overflow:hidden}.quiz-qr-copy-field-code span{letter-spacing:.14em;text-transform:uppercase}.arena-idle-join-card{pointer-events:auto;background:#ffffffeb;border:1px solid #fffffff5;border-radius:34px;justify-items:center;gap:16px;padding:clamp(18px,2.2vw,26px);display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-34%);box-shadow:0 24px 70px #00000047,inset 0 1px #fffffff2}.arena-idle-join-card img{background:#fff;border-radius:22px;width:clamp(170px,18vw,260px);height:clamp(170px,18vw,260px);display:block}.arena-idle-join-card div{color:#172033;text-align:center;justify-items:center;gap:4px;display:grid}.arena-idle-join-card strong{font-size:clamp(22px,2.2vw,34px);line-height:1}.quiz-invite-brand .brand-lockup{gap:14px}.quiz-invite-brand-crown{color:#ffd54f;-webkit-backdrop-filter:blur(20px)saturate(1.18);background:#ffffffbd;border:1px solid #ffffffdb;border-radius:clamp(14px,1.6vw,22px);flex:none;place-items:center;width:clamp(48px,6vw,74px);height:clamp(48px,6vw,74px);display:grid;box-shadow:inset 0 1px #ffffffe6,0 16px 36px #0f172a14}.quiz-invite-brand-crown svg{width:70%;height:70%;display:block}.quiz-qr-controls .form-label{color:#172033eb;margin:18px 0 8px;display:block}.quiz-qr-controls .form-label:first-child{margin-top:0}.quiz-qr-link-label{margin-top:24px!important}.quiz-qr-copy-field-code span,.quiz-qr-copy-field span{letter-spacing:normal!important;text-transform:none!important}.quiz-qr-copy-field-code span{font-size:clamp(18px,2vw,28px)!important}.arena-idle-join-card{box-shadow:none!important;-webkit-backdrop-filter:none!important;background:0 0!important;border:0!important;gap:clamp(10px,1.4vw,18px)!important;padding:0!important;transform:translate(-50%,-30%)!important}.arena-idle-join-card img{display:block;width:clamp(170px,19vw,280px)!important;height:clamp(170px,19vw,280px)!important;box-shadow:none!important;background:#fff!important;border-radius:clamp(18px,2vw,28px)!important}.arena-idle-join-card div{text-align:center;text-shadow:0 8px 26px #00000052;color:#fff!important}.arena-idle-join-card strong{color:#fff!important;font-size:clamp(24px,2.4vw,38px)!important;font-weight:650!important;line-height:1!important}.arena-idle-join-card span{color:#ffffffd1!important;font-size:clamp(15px,1.35vw,20px)!important}@media (max-width:720px){.quiz-invite-brand .brand-lockup{gap:10px}.quiz-invite-brand-crown{border-radius:14px;width:46px;height:46px}}.quiz-invite-brand{gap:10px!important;padding-top:clamp(10px,2vh,24px)!important;padding-bottom:clamp(18px,3vh,34px)!important}.quiz-invite-brand .qa-home-logo{filter:drop-shadow(0 12px 20px #36508221)!important;justify-content:center!important;align-items:center!important;gap:14px!important;display:inline-flex!important}.quiz-invite-brand .qa-home-crown{color:#ffd447!important;background:linear-gradient(145deg,#ffffffd9,#ffffff52),#ffffff57!important;border:1px solid #ffffffb8!important;border-radius:22px!important;place-items:center!important;width:58px!important;height:58px!important;display:inline-grid!important;box-shadow:0 14px 28px #ffcc3a2e,inset 0 1px #ffffffe6!important}.quiz-invite-brand .qa-home-crown svg{width:38px!important;height:38px!important}.quiz-invite-brand .qa-home-wordmark{letter-spacing:-.06em!important;color:#464f67eb!important;font-size:clamp(38px,4.6vw,62px)!important;font-weight:600!important;line-height:.95!important}.quiz-invite-brand .qa-home-wordmark span{color:#ffd447!important;text-shadow:0 12px 26px #ffcd402e!important}.quiz-invite-brand .brand-subtitle{color:#667085d1!important;letter-spacing:-.035em!important;margin:0!important;font-size:clamp(22px,2.5vw,34px)!important;font-weight:540!important;line-height:1.05!important}@media (max-width:640px){.quiz-invite-brand .qa-home-logo{gap:10px!important}.quiz-invite-brand .qa-home-crown{border-radius:18px!important;width:48px!important;height:48px!important}.quiz-invite-brand .qa-home-crown svg{width:32px!important;height:32px!important}.quiz-invite-brand .qa-home-wordmark{font-size:clamp(36px,12vw,50px)!important}}.arena-idle-qr-card,.arena-idle-qr-panel,.arena-idle-join-card,.arena-idle-projector-qr,.arena-idle .arena-idle-qr-card,.arena-idle .arena-idle-qr-panel{box-shadow:none!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:0 0!important;border:0!important;border-radius:0!important;padding:0!important}.arena-idle-qr-card:before,.arena-idle-qr-card:after,.arena-idle-qr-panel:before,.arena-idle-qr-panel:after,.arena-idle-projector-qr:before,.arena-idle-projector-qr:after{content:none!important;display:none!important}.arena-idle-qr-image,.arena-idle-qr-code,.arena-idle-qr-card img,.arena-idle-qr-panel img,.arena-idle-projector-qr img{box-shadow:none!important;filter:invert()contrast(1.12)brightness(1.08)!important;mix-blend-mode:screen!important;background:0 0!important;border:0!important;border-radius:0!important;padding:0!important;display:block!important}.arena-idle-qr-title,.arena-idle-qr-subtitle,.arena-idle-qr-card strong,.arena-idle-qr-card span,.arena-idle-qr-card p,.arena-idle-qr-panel strong,.arena-idle-qr-panel span,.arena-idle-qr-panel p,.arena-idle-projector-qr strong,.arena-idle-projector-qr span,.arena-idle-projector-qr p{color:#fff!important;text-shadow:0 10px 28px #0000006b!important;background:0 0!important}.arena-idle-qr-subtitle,.arena-idle-qr-card span,.arena-idle-qr-card p,.arena-idle-qr-panel span,.arena-idle-qr-panel p,.arena-idle-projector-qr span,.arena-idle-projector-qr p{opacity:.88!important}.arena-idle-join-card,.arena-idle .arena-idle-join-card{box-shadow:none!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:0 0!important;border:0!important;border-radius:0!important;padding:0!important}.arena-idle-join-card:before,.arena-idle-join-card:after{content:none!important;display:none!important}.arena-idle-join-card img{box-shadow:none!important;filter:none!important;mix-blend-mode:normal!important;background:0 0!important;border:0!important;border-radius:0!important;padding:0!important}.arena-idle-join-card div,.arena-idle-join-card strong,.arena-idle-join-card span{color:#fff!important;text-shadow:0 10px 28px #00000085!important;background:0 0!important}.arena-idle-join-card span{opacity:.86!important}.qa-home-page-root .qa-entry-accordion{align-items:start!important}.qa-home-page-root .qa-role-accordion{align-self:start!important;height:auto!important;min-height:0!important}.qa-home-page-root .qa-role-accordion:not(.is-active){height:auto!important;min-height:0!important}.qa-home-page-root .qa-role-accordion:not(.is-active) .qa-accordion-body,.qa-home-page-root .qa-role-accordion:not(.is-active) .qa-role-auth-panel{display:none!important}.qa-home-page-root .qa-role-accordion.is-active{align-self:start!important}.test-settings-panel{gap:16px!important}.test-access-window{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.test-date-control{grid-template-columns:minmax(0,1fr) 56px;align-items:center;gap:10px;display:grid}.test-settings-disclosure{overflow:hidden;padding:0!important}.test-settings-disclosure>summary{list-style:none}.test-settings-disclosure>summary::-webkit-details-marker{display:none}.test-settings-summary{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;min-height:72px;padding:18px 22px;display:flex}.test-settings-summary:after{content:"";border-right:3px solid var(--lg-blue);border-bottom:3px solid var(--lg-blue);flex:none;width:14px;height:14px;transition:transform .18s;transform:rotate(45deg)}.test-settings-disclosure[open] .test-settings-summary:after{transform:rotate(225deg)}.test-settings-summary>span{gap:4px;display:grid}.test-settings-summary span span{color:var(--muted);font-weight:720}.test-settings-body{gap:16px;padding:0 22px 22px;display:grid}.test-settings-intro{background:#ffffff85;border:1px solid #ffffffb8;border-radius:24px;gap:8px;padding:18px 20px;display:grid;box-shadow:inset 0 1px #ffffffc7,0 14px 34px #37548c14}.test-settings-checks{gap:10px;display:grid}.test-settings-field{gap:8px;display:grid}.field-label-text{color:var(--muted);font-weight:760}.test-settings-segmented{-webkit-backdrop-filter:blur(16px)saturate(1.14);backdrop-filter:blur(16px)saturate(1.14);background:#e1efff75;border:1px solid #ffffffad;border-radius:26px;flex-wrap:wrap;align-items:center;gap:8px;width:100%;padding:6px;display:flex;box-shadow:inset 0 1px #ffffffb8,0 12px 28px #37548c12}.test-settings-segmented button{color:#3a4865c7;min-width:132px;min-height:46px;font:inherit;text-align:center;cursor:pointer;white-space:normal;overflow-wrap:anywhere;background:0 0;border:0;border-radius:22px;padding:10px 18px;font-weight:760;line-height:1.15}.test-settings-segmented button.active{color:var(--lg-blue);background:#ffffffd1;box-shadow:0 10px 20px #37548c1a,inset 0 1px #ffffffe6}@media (max-width:680px){.test-settings-segmented{grid-template-columns:1fr;display:grid}.test-settings-segmented button{width:100%}}.case-shell{color:var(--lg-ink,var(--text))}.case-lab-section{gap:16px;display:grid}.case-lab-title-row{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.case-topbar,.case-topbar-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.case-topbar{margin-bottom:18px}.case-panel{background:#ffffffbd;border:1px solid #94a3b847;border-radius:14px;padding:18px;box-shadow:0 18px 46px #4358821a}.case-hero,.case-detail-head{grid-template-columns:minmax(0,1fr) minmax(180px,260px);align-items:center;gap:18px;margin-bottom:18px;display:grid}.case-hero h1,.case-detail-head h1,.case-section-heading h2,.case-step-nav h2,.case-rubric h2{letter-spacing:0;margin:0;line-height:1.15}.case-hero p,.case-detail-head p,.case-card-main p,.case-task p,.case-rubric-item p,.case-section-heading p{color:var(--lg-muted,var(--muted));line-height:1.55}.case-kicker{color:#0f766e;text-transform:uppercase;margin:0 0 8px;font-size:13px;font-weight:700}.case-badge,.case-status{border-radius:999px;align-items:center;width:fit-content;min-height:28px;padding:5px 10px;font-size:12px;font-style:normal;font-weight:700;display:inline-flex}.case-badge{color:#075985;background:#e0f2fe}.case-status--empty{color:#64748b;background:#f1f5f9}.case-status--progress{color:#92400e;background:#fef3c7}.case-status--submitted{color:#1d4ed8;background:#dbeafe}.case-status--reviewed{color:#166534;background:#dcfce7}.case-status--improve{color:#9a3412;background:#ffedd5}.case-status--error{color:#be123c;background:#ffe4e6}.case-alert{color:#1e3a8a;background:#eff6ffd1;border:1px solid #2563eb2e;border-radius:10px;margin-bottom:14px;padding:12px 14px}.case-alert--error{color:#be123c;background:#fff1f2;border-color:#e11d4838}.case-alert--success{color:#166534;background:#f0fdf4;border-color:#16a34a38}.case-list{gap:14px;display:grid}.case-card-link{grid-template-columns:minmax(0,1fr) minmax(170px,230px);align-items:center;gap:18px;transition:transform .18s,border-color .18s;display:grid}.case-card-link:hover{border-color:#2563eb57;transform:translateY(-1px)}.case-card-main{gap:10px;display:grid}.case-card-badges{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.case-card-main h2{letter-spacing:0;margin:0}.case-card-main p{margin:0}.case-card-meta{color:var(--lg-muted,var(--muted));gap:8px;font-weight:650;display:grid}.case-card-actions{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.case-card-actions .scenario-icon-button{border-radius:14px;width:44px;height:44px}.case-card-actions .scenario-icon-button svg{width:20px;height:20px}.case-owner-badge{color:#334155;background:#f1f5f9;border-radius:999px;align-items:center;width:fit-content;min-height:28px;padding:5px 10px;font-size:12px;font-weight:700;display:inline-flex}.case-progress-card{gap:10px;min-width:0;display:grid}.case-progress-card__value{color:#0f766e;font-size:36px;font-weight:750;line-height:1}.case-progress-track{background:#e2e8f0;border-radius:999px;height:8px;position:relative;overflow:hidden}.case-progress-track span,.case-student-progress i{border-radius:inherit;background:linear-gradient(90deg,#2563eb,#0f766e);height:100%;display:block}.case-workspace{grid-template-columns:minmax(220px,280px) minmax(0,1fr) minmax(280px,360px);align-items:start;gap:16px;display:grid}.case-workspace--lab{margin-top:16px}.case-step-nav,.case-step-editor,.case-ai-panel{min-width:0}.case-step-nav{position:sticky;top:16px}.case-step-list,.case-task,.case-ai-form,.case-section-heading{gap:12px;display:grid}.case-step-button,.case-student-summary{width:100%;color:inherit;text-align:left;background:#f8fafce0;border:1px solid #94a3b842;border-radius:10px;padding:12px}.case-step-button{grid-template-columns:30px minmax(0,1fr);align-items:center;gap:8px 10px;display:grid}.case-step-button>span{color:#075985;background:#e0f2fe;border-radius:999px;place-items:center;width:30px;height:30px;font-weight:750;display:grid}.case-step-button strong{overflow-wrap:anywhere}.case-step-button .case-status{grid-column:2}.case-step-button.active{background:#eff6ff;border-color:#2563eb6b}.case-section-heading{margin-bottom:14px}.case-section-heading p{margin:0}.case-task{margin-bottom:16px}.case-review-result{color:#166534;background:#f0fdf4;border:1px solid #16a34a38;border-radius:10px;gap:8px;margin-bottom:16px;padding:12px;display:grid}.case-review-result p{margin:0;line-height:1.45}.case-task h3,.case-review-step h3{margin:0;font-size:14px}.case-task p{margin:0 0 4px}.case-field{color:var(--lg-muted,var(--muted));gap:8px;font-weight:650;display:grid}.case-answer{min-height:190px}.case-actions{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.case-downloads{margin-bottom:16px}.case-download-grid,.case-question-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;display:grid}.case-question-grid{margin-bottom:14px}.case-question-grid label{color:var(--lg-muted,var(--muted));gap:6px;font-weight:650;display:grid}.case-file-drop{color:#1e3a8a;background:#eff6ffb3;border:1px dashed #2563eb57;border-radius:10px;gap:8px;margin:12px 0;padding:14px;font-weight:700;display:grid}.case-file-drop input{min-width:0}.case-file-drop em{color:var(--lg-muted,var(--muted));overflow-wrap:anywhere;font-style:normal;font-weight:650}.case-metrics-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:14px;display:grid}.case-metrics-grid--compact{margin-top:0}.case-metric{background:#ffffffb8;border:1px solid #94a3b838;border-radius:10px;gap:5px;min-width:0;padding:10px;display:grid}.case-metric span{color:var(--lg-muted,var(--muted));overflow-wrap:anywhere;font-size:12px;font-weight:750}.case-metric strong{color:var(--lg-ink,var(--text));font-family:var(--font-mono,monospace);overflow-wrap:anywhere}.case-hint-list{gap:10px;display:grid}.case-hint{background:#f0fdfa;border:1px solid #0f766e2e;border-radius:10px;grid-template-columns:30px minmax(0,1fr);align-items:start;gap:10px;padding:10px;display:grid}.case-hint span{color:#0f766e;background:#ccfbf1;border-radius:999px;place-items:center;width:30px;height:30px;font-weight:800;display:grid}.case-hint p{color:#115e59;margin:0;line-height:1.45}.case-chat{gap:10px;max-height:420px;margin-bottom:12px;padding-right:2px;display:grid;overflow:auto}.case-chat--compact{max-height:280px}.case-chat-message{white-space:pre-wrap;border-radius:10px;padding:10px 12px}.case-chat-message span{color:var(--lg-muted,var(--muted));margin-bottom:5px;font-size:12px;font-weight:750;display:block}.case-chat-message p{margin:0;line-height:1.45}.case-chat-message--user{background:#eff6ff}.case-chat-message--assistant{background:#f0fdfa}.case-rubric{margin-top:16px}.case-rubric-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:12px;display:grid}.case-rubric-item,.case-review-step{background:#f8fafcb8;border:1px solid #94a3b838;border-radius:10px;padding:12px}.case-rubric-item{gap:7px;display:grid}.case-rubric-item span{color:#0f766e;font-weight:750}.case-rubric-item p{margin:0}.case-empty,.case-muted{color:var(--lg-muted,var(--muted))}.case-submissions{gap:14px;display:grid}.case-leaderboard{margin-top:16px}.case-leaderboard-table{gap:8px;display:grid}.case-leaderboard-row{background:#f8fafcb8;border:1px solid #94a3b838;border-radius:10px;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:12px;padding:10px 12px;display:grid}.case-leaderboard-row span,.case-leaderboard-row em{color:var(--lg-muted,var(--muted));font-style:normal;font-weight:750}.case-autocheck-detail{grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);align-items:start;gap:14px;display:grid}.case-student-list{gap:12px;display:grid}.case-student-row{background:#ffffff8a;border:1px solid #94a3b838;border-radius:12px;overflow:hidden}.case-student-summary{border:0;border-radius:0;grid-template-columns:minmax(180px,1fr) minmax(120px,160px) auto;align-items:center;gap:14px;display:grid}.case-student-summary>span:first-child{gap:4px;display:grid}.case-student-summary em{color:var(--lg-muted,var(--muted));font-style:normal}.case-student-progress{color:var(--lg-muted,var(--muted));gap:6px;font-weight:750;display:grid}.case-student-progress b{font-weight:750}.case-student-progress>span{background:#e2e8f0;border-radius:999px;height:8px;overflow:hidden}.case-student-detail{border-top:1px solid #94a3b833;gap:12px;padding:12px;display:grid}.case-review-step{gap:12px;display:grid}.case-review-step__head{grid-template-columns:32px minmax(0,1fr) auto;align-items:center;gap:10px;display:grid}.case-review-step__head>span{color:#075985;background:#e0f2fe;border-radius:999px;place-items:center;width:32px;height:32px;font-weight:750;display:grid}.case-review-grid{grid-template-columns:minmax(0,1fr) minmax(260px,.9fr);align-items:start;gap:14px;display:grid}.case-review-form{border-top:1px solid #94a3b833;grid-template-columns:minmax(120px,180px) minmax(260px,1fr) auto;align-items:end;gap:12px;padding-top:12px;display:grid}.case-review-form label{color:var(--lg-muted,var(--muted));gap:6px;font-weight:650;display:grid}.case-review-form .textarea{min-height:86px}.case-answer-preview{white-space:pre-wrap;background:#ffffffb8;border:1px solid #94a3b83d;border-radius:10px;max-height:260px;padding:12px;line-height:1.5;overflow:auto}.case-editor-form,.case-editor-section,.case-editor-steps,.case-step-edit-card{gap:16px;display:grid}.case-editor-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.case-editor-grid label{min-width:0;color:var(--lg-muted,var(--muted));gap:6px;font-weight:650;display:grid}.case-editor-wide{grid-column:1/-1}.case-editor-grid .textarea{min-height:108px}.case-step-edit-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.case-step-edit-head h2{letter-spacing:0;margin:8px 0 0;line-height:1.2}.case-step-edit-meta{color:var(--lg-muted,var(--muted));flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;font-weight:700;display:flex}.case-step-edit-meta span{background:#ffffffad;border:1px solid #94a3b83d;border-radius:999px;padding:6px 10px}.case-editor-actions{z-index:5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f8fafceb;border:1px solid #94a3b838;border-radius:12px;flex-wrap:wrap;justify-content:flex-end;gap:10px;padding:12px;display:flex;position:sticky;bottom:14px}.case-confirm-dialog .section-title{letter-spacing:0;margin:0;line-height:1.2}@media (max-width:1120px){.case-workspace{grid-template-columns:minmax(220px,280px) minmax(0,1fr)}.case-ai-panel{grid-column:1/-1}}@media (max-width:760px){.case-inline-settings,.case-spoiler-header{grid-template-columns:1fr}.case-spoiler-actions{justify-content:flex-start;width:100%;max-width:100%;overflow-x:auto;flex-wrap:nowrap!important;display:flex!important}.case-spoiler-actions .scenario-icon-button{flex:none}.case-hero,.case-detail-head,.case-card-link,.case-workspace,.case-review-grid,.case-review-form,.case-editor-grid,.case-autocheck-detail,.case-student-summary{grid-template-columns:1fr}.case-step-nav{position:static}.case-student-summary{justify-items:start}}