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var(--line);border-radius:7px;background:var(--bg);color:var(--ink);font-size:11px;font-weight:700}.answer-copy{flex:1;min-width:0;overflow-wrap:anywhere}.option.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.option.selected .option-key{background:var(--accent);color:var(--on);border-color:var(--accent)}.option.correct,.review-options .is-correct{border-color:var(--good);background:var(--good-bg)}.option.wrong,.review-options .is-wrong{border-color:var(--bad);background:var(--bad-bg)}.attempt-toolbar,.attempt-meta,.attempt-actions,.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}.attempt-toolbar{justify-content:space-between;align-items:flex-start}.attempt-meta{align-items:center}.attempt-progress{margin:0;color:var(--muted);font-size:.9rem;font-weight:700}.attempt-progress-track{display:none}.timer{margin:0;display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--panel);padding:10px 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0;font-size:clamp(2.05rem,4vw,3.15rem);line-height:1.02;letter-spacing:-.045em}.auth-intro p{margin:0;color:var(--muted);line-height:1.55}.auth-form{display:grid;gap:16px}.field{display:grid;gap:6px}.field>label{font-size:.9rem;font-weight:800}.field-hint{margin:0;color:var(--muted);font-size:.8rem;font-weight:600}.field-error{margin:0;color:var(--bad);font-size:.86rem;font-weight:700}.phone-field,.password-field{display:flex;align-items:center;min-height:52px;padding-inline:12px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.phone-field:focus-within,.password-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px #245d4929}.phone-field.is-invalid,.password-field.is-invalid{border-color:var(--bad);background:var(--bad-bg)}.phone-prefix{padding-right:10px;margin-right:10px;border-right:1px solid var(--line);font-weight:800}.phone-field input,.password-field 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p{margin:0;color:var(--ink);line-height:1.5}.help-panel[hidden]{display:none}.auth-aside{display:flex;min-width:0}.learner-aside-card{width:100%;display:grid;align-content:end;gap:18px;min-height:540px;padding:clamp(24px,4vw,40px);border-radius:28px;color:#f6faf8;background:radial-gradient(420px 220px at 100% 0%,rgba(211,239,149,.3),transparent 58%),linear-gradient(165deg,#245d49,#183e32 55%,#0f2721);box-shadow:0 24px 50px #102a2c2e}.learner-aside-card .eyebrow{color:#d3ef95}.learner-aside-title{margin:0;max-width:11ch;font-size:clamp(2rem,3.2vw,3rem);font-weight:800;line-height:.98;letter-spacing:-.045em}.trust-list{list-style:none;display:grid;gap:10px;margin:0;padding:0}.trust-list li{display:flex;align-items:flex-start;gap:12px;padding:12px;border-radius:16px;background:#ffffff14}.trust-list strong,.trust-copy{display:block}.trust-copy{margin-top:2px;color:#f6faf8c7;font-size:.86rem;line-height:1.4}.trust-icon{width:36px;height:36px;flex:0 0 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var(--line);border-radius:18px;background:var(--panel);box-shadow:var(--shadow)}.invitation-copy{display:grid;gap:18px}.invitation-copy h1{margin:0;font-size:clamp(2.2rem,6vw,4rem);line-height:1;letter-spacing:-.05em}.invitation-copy p{margin:0;color:var(--muted);line-height:1.65}.invitation-copy .button{justify-self:start;margin-top:6px}.success-mark{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;color:var(--on);background:var(--good);font-size:1.4rem;font-weight:800}.page-state{min-height:100vh;display:grid;place-content:center;padding:30px;text-align:center;background:var(--bg)}.error-state h1{margin-bottom:0}.page-state.learner-state{justify-items:center;gap:8px;background:var(--bg)}.page-state.learner-state .button{margin-top:8px}.student-shell,.public-shell{min-height:100vh;min-height:100dvh;background:var(--bg)}.student-body,.public-body{min-height:100dvh;display:flex;flex-direction:column;margin-left:256px;transition:margin-left .18s 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ease-out}.learning-sidebar-toggle:hover{color:var(--ink);background:var(--soft)}.learning-sidebar-toggle:active{transform:scale(.96)}.learning-sidebar-nav{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:16px 12px}.learning-sidebar-section{margin-bottom:20px}.learning-sidebar-section:last-child{margin-bottom:0}.learning-sidebar[data-state=collapsed] .learning-sidebar-section{margin-bottom:12px}.learning-sidebar-label{margin:0 0 6px;padding:0 12px;color:var(--muted);font-size:.69rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.learning-sidebar-divider{margin:0 8px 8px;border-top:1px solid var(--line)}.learning-sidebar-items{display:grid;gap:4px}.learning-sidebar-link{position:relative;min-height:40px;display:flex;align-items:center;gap:12px;padding:0 12px 0 16px;border-radius:10px;color:var(--muted);font-size:.86rem;font-weight:650;text-decoration:none;transition:background-color .15s ease-out,color .15s ease-out,box-shadow .15s 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