.teacher-shell,.teacher-login-shell{min-height:100vh;color:var(--ink);padding:32px max(24px,5vw) 64px}.teacher-header,.teacher-intro,.teacher-library{width:min(1184px,100%);margin:0 auto}.teacher-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding-bottom:24px;display:flex}.teacher-brand{align-items:center;gap:12px;display:inline-flex}.teacher-brand>span:last-child{gap:3px;display:grid}.teacher-brand strong{letter-spacing:.06em;font-size:17px}.teacher-brand small{color:var(--muted);font-size:12px}.teacher-brand-mark{color:#fff;background:var(--brand);place-items:center;width:44px;height:44px;font-size:24px;font-weight:800;display:grid}.teacher-header-actions{color:var(--muted);align-items:center;gap:18px;font-size:14px;display:flex}.teacher-role{color:var(--brand-dark);border:1px solid var(--brand-dark);padding:4px 8px;font-size:12px;font-weight:800}.teacher-quiet-button,.teacher-refresh{border:1px solid var(--line);color:var(--ink);background:var(--surface);cursor:pointer;padding:10px 14px}.teacher-refresh:disabled{cursor:wait;opacity:.6}.teacher-intro{justify-content:space-between;align-items:end;gap:24px;padding:72px 0 40px;display:flex}.teacher-eyebrow{color:var(--brand-dark);letter-spacing:.18em;margin:0 0 16px;font-size:12px;font-weight:800}.teacher-intro h1,.teacher-login-story h1{letter-spacing:-.06em;margin:0 0 18px;font-size:clamp(40px,7vw,78px);line-height:1.05}.teacher-intro p:not(.teacher-eyebrow),.teacher-login-story>p:last-child{color:var(--muted);margin:0;line-height:1.8}.teacher-library{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.teacher-upload-card{border:1px solid var(--ink);background:var(--surface);grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;width:min(1184px,100%);margin:0 auto 28px;padding:24px;display:grid}.teacher-upload-card>div{grid-column:1/-1}.teacher-upload-card h2{margin:0 0 8px;font-size:24px}.teacher-upload-card p:not(.teacher-eyebrow){color:var(--muted);margin:0;font-size:14px;line-height:1.7}.teacher-upload-card label{gap:8px;font-size:13px;font-weight:700;display:grid}.teacher-upload-card input,.teacher-upload-card select{border:1px solid var(--line);width:100%;min-height:44px;color:var(--ink);font:inherit;background:#fff;padding:10px 12px}.teacher-upload-card .teacher-primary-button{align-self:end;min-height:44px}.teacher-paper{border:1px solid var(--ink);background:var(--surface);min-height:190px;padding:22px}.teacher-paper-top{color:var(--muted);justify-content:space-between;font-size:12px;display:flex}.teacher-status{color:var(--ink);background:#f0e9df;padding:5px 8px;font-weight:700}.teacher-status.published{color:#fff;background:var(--brand-dark)}.teacher-paper h2{margin:32px 0 10px;font-size:22px}.teacher-paper p{color:var(--muted);margin:0 0 8px}.teacher-paper small{color:var(--muted)}.teacher-paper-action{border:1px solid var(--brand-dark);color:var(--brand-dark);font:inherit;cursor:pointer;background:0 0;margin-top:18px;padding:9px 12px;font-size:13px;font-weight:700}.teacher-paper-action.danger{color:#a52812;border-color:#a52812}.teacher-paper-actions{flex-wrap:wrap;gap:8px;display:flex}.teacher-file-links{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.teacher-file-links a{color:var(--brand-dark);font-size:12px;font-weight:700;text-decoration:underline}.teacher-file-summary{color:var(--muted);grid-column:1/-1;margin:-4px 0 0;font-size:13px}.teacher-empty{border:1px dashed var(--line);color:var(--muted);text-align:center;grid-column:1/-1;gap:8px;padding:56px 24px;display:grid}.teacher-empty strong{color:var(--ink);font-size:20px}.teacher-error{color:#a52812;width:min(1184px,100%);margin:0 auto 20px}.teacher-login-shell{grid-template-columns:minmax(0,1fr) minmax(320px,420px);align-items:center;gap:12vw;width:min(1184px,100%);margin:0 auto;display:grid}.teacher-login-story h1{max-width:680px;margin-top:90px}.teacher-login-card{border:1px solid var(--ink);background:var(--surface);box-shadow:12px 12px 0 var(--ink);gap:20px;padding:34px;display:grid}.teacher-login-card h2{margin:0 0 10px;font-size:28px}.teacher-login-card label{gap:8px;font-size:14px;font-weight:700;display:grid}.teacher-login-card input{border:1px solid var(--line);width:100%;color:var(--ink);font:inherit;background:#fff;padding:13px 14px}.teacher-primary-button{color:#fff;background:var(--brand);font:inherit;cursor:pointer;border:0;padding:14px;font-weight:800}.teacher-primary-button:disabled{cursor:wait;opacity:.65}.teacher-back-link{color:var(--muted);text-align:center;font-size:14px}.teacher-state{min-height:100vh;color:var(--muted);place-items:center;display:grid}@media (max-width:800px){.teacher-login-shell{grid-template-columns:1fr;gap:42px;padding-top:48px}.teacher-login-story h1{margin-top:48px}.teacher-library,.teacher-upload-card{grid-template-columns:1fr}.teacher-upload-card>div{grid-column:auto}.teacher-intro{flex-direction:column;align-items:start;padding-top:48px}}@media (prefers-reduced-motion:reduce){.teacher-shell *,.teacher-login-shell *{transition-duration:.01ms!important}}