.app-shell{min-height:100vh;display:flex}.app-topbar,.nav-toggle,.nav-scrim{display:none}body.nav-open{overflow:hidden}.app-nav{background:var(--color-paper-raised);border-right:1px solid var(--color-graphite-hairline);width:240px;padding:var(--space-5) var(--space-4);flex-direction:column;flex-shrink:0;display:flex;position:relative}.app-nav:before{content:"";width:var(--margin-rule-width);background:var(--color-margin-red);position:absolute;top:0;bottom:0;right:0}.app-nav .brand{align-items:baseline;gap:var(--space-2);margin-bottom:var(--space-6);display:flex}.app-nav .brand .mark{font-family:var(--font-hand);font-style:italic;font-size:var(--text-xl);color:var(--color-margin-red)}.role-switch-hint{font-size:var(--text-xs);color:var(--color-graphite);margin-bottom:var(--space-4);gap:var(--space-1);flex-direction:column;display:flex}.role-switch-link{font-size:var(--text-xs);color:var(--color-rule-blue);font-weight:500;text-decoration:none}.role-switch-link:hover{text-decoration:underline}.app-nav .brand h1{font-size:var(--text-lg)}.nav-user-row{align-items:center;gap:var(--space-3);padding-bottom:var(--space-4);margin-bottom:var(--space-3);border-bottom:1px solid var(--color-graphite-hairline);color:inherit;text-decoration:none;transition:opacity .15s;display:flex}.nav-user-row:hover{opacity:.8}.nav-user-copy{flex-direction:column;min-width:0;display:flex}.nav-user-name{font-size:var(--text-sm);color:var(--color-ink);white-space:nowrap;text-overflow:ellipsis;font-weight:600;overflow:hidden}.nav-user-role{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-graphite)}.avatar-fallback{color:var(--color-rule-blue);font-weight:600;font-family:var(--font-mono);background:#3f5d821f}.app-nav .role-badge{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-rule-blue);border-radius:var(--radius-sm);padding:var(--space-1) var(--space-2);margin-bottom:var(--space-5);text-transform:uppercase;letter-spacing:.04em;background:#3f5d821a;display:inline-block}.app-nav nav{gap:var(--space-1);flex-direction:column;flex:1;display:flex}.app-nav nav a{color:var(--color-ink-soft);font-size:var(--text-sm);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-weight:500;text-decoration:none}.app-nav nav a:hover{background:var(--color-paper);color:var(--color-ink)}.app-nav nav a.active{color:var(--color-margin-red);background:#b23a2e14;font-weight:600}.app-nav .signout{border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);padding:var(--space-2) var(--space-3);font-size:var(--text-sm);color:var(--color-ink-soft);cursor:pointer;font-family:var(--font-body);background:0 0;margin-top:auto}.app-nav .signout:hover{border-color:var(--color-margin-red);color:var(--color-margin-red)}.app-main{padding:var(--space-6) var(--space-8);flex:1;max-width:1100px}.app-main h1{font-size:var(--text-2xl);margin-bottom:var(--space-1)}.app-subtitle{color:var(--color-ink-soft);font-size:var(--text-sm);margin:0 0 var(--space-5) 0}@media (width<=640px){.app-subtitle{white-space:nowrap;text-overflow:ellipsis;margin-bottom:var(--space-4);overflow:hidden}}.stat-grid{gap:var(--space-4);margin-bottom:var(--space-6);grid-template-columns:repeat(auto-fit,minmax(150px,1fr));display:grid}.stat-tile{background:var(--color-paper-raised);border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-md);padding:var(--space-4)}.stat-tile .value{font-family:var(--font-display);font-size:var(--text-2xl);color:var(--color-ink);display:block}.stat-tile .label{font-size:var(--text-xs);color:var(--color-graphite);text-transform:uppercase;letter-spacing:.03em}.panel{background:var(--color-paper-raised);border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-md);padding:var(--space-5);margin-bottom:var(--space-5)}.panel h2{font-size:var(--text-lg);margin-bottom:var(--space-3)}.data-table{border-collapse:collapse;width:100%;font-size:var(--text-sm)}.data-table th{text-align:left;color:var(--color-graphite);font-weight:500;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.03em;padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-graphite-hairline)}.data-table td{padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-graphite-hairline)}.data-table tr:last-child td{border-bottom:none}.status-pill{font-family:var(--font-mono);font-size:var(--text-xs);background:var(--color-graphite-hairline);color:var(--color-ink-soft);border-radius:999px;padding:.15rem .55rem;display:inline-block}.status-pill[data-status=published],.status-pill[data-status=active]{color:var(--color-chalk-green);background:#2f6e4f24}.status-pill[data-status=mentor_review],.status-pill[data-status=teacher_review]{color:var(--color-rule-blue);background:#3f5d8224}.status-pill[data-status=rescan_required],.status-pill[data-status=failed],.status-pill[data-status=held]{color:var(--color-margin-red);background:#b23a2e1f}.empty-state{color:var(--color-graphite);font-size:var(--text-sm);padding:var(--space-5);text-align:center;border:1px dashed var(--color-graphite-hairline);border-radius:var(--radius-md)}.btn,.btn-primary,.btn-secondary,.btn-upload,.btn-danger{font-family:var(--font-body);font-size:var(--text-sm);border-radius:var(--radius-sm);cursor:pointer;justify-content:center;align-items:center;gap:var(--space-2);border:1px solid #0000;padding:.5rem 1rem;font-weight:500;text-decoration:none;transition:background-color .15s,border-color .15s;display:inline-flex}.btn-primary,.btn-upload{background:var(--color-margin-red);color:var(--color-paper-raised)}.btn-primary:hover:not(:disabled),.btn-upload:hover:not(:disabled){background:var(--color-margin-red-dark)}.btn-secondary{background:var(--color-paper);color:var(--color-ink);border-color:var(--color-graphite-hairline)}.btn-secondary:hover:not(:disabled){border-color:var(--color-rule-blue);color:var(--color-rule-blue)}.btn-danger{color:var(--color-margin-red);border-color:var(--color-margin-red);background:0 0}.btn-danger:hover:not(:disabled){background:var(--color-margin-red);color:var(--color-paper-raised)}.btn:disabled,.btn-primary:disabled,.btn-secondary:disabled,.btn-upload:disabled{opacity:.6;cursor:not-allowed}.ai-feedback-row{gap:var(--space-2);margin-top:var(--space-2);display:flex}.btn-ai-wrong{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-danger);border-radius:var(--radius-sm);cursor:pointer;background:#a5301f1a;border:1px solid #a5301f4d;padding:.25rem .6rem}.btn-ai-correct{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-chalk-green);border-radius:var(--radius-sm);cursor:pointer;background:#2f6e4f1a;border:1px solid #2f6e4f4d;padding:.25rem .6rem}.btn-ai-wrong:hover,.btn-ai-correct:hover{opacity:.75}.ref-card{border:2px solid var(--color-graphite-hairline);border-radius:var(--radius-md);padding:var(--space-4);cursor:pointer;background:var(--color-paper-raised);transition:border-color .15s,background .15s}.ref-card:hover{border-color:var(--color-rule-blue);background:#3f5d820a}.ref-card.selected{border-color:var(--color-margin-red);background:#b23a2e0a}.ref-card-title{font-weight:600;font-size:var(--text-sm);color:var(--color-ink);margin-bottom:var(--space-1)}.ref-card-desc{font-size:var(--text-xs);color:var(--color-ink-soft);line-height:1.4}.mistake-badge{font-family:var(--font-mono);color:var(--color-warning);text-transform:uppercase;letter-spacing:.04em;background:#a5690f1f;border-radius:999px;padding:.1rem .45rem;font-size:.65rem;display:inline-block}.step-indicator{align-items:center;gap:var(--space-2);margin-bottom:var(--space-5);display:flex}.step-dot{border:2px solid var(--color-graphite-hairline);background:var(--color-paper);width:28px;height:28px;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-graphite);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.step-dot.active{border-color:var(--color-margin-red);background:var(--color-margin-red);color:#fff}.step-dot.done{border-color:var(--color-chalk-green);background:var(--color-chalk-green);color:#fff}.step-line{background:var(--color-graphite-hairline);flex:1;height:2px}.step-line.done{background:var(--color-chalk-green)}.form-grid{gap:var(--space-3);margin-bottom:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));display:grid}.field{gap:var(--space-2);flex-direction:column;display:flex}.field label{font-size:var(--text-sm);color:var(--color-ink-soft);font-weight:500}.form-grid-spread{column-gap:var(--space-5);grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr))}.single-upload-form{gap:var(--space-3);margin-bottom:var(--space-3);flex-direction:column;display:flex}.single-upload-form .row{align-items:center;gap:var(--space-3);display:flex}.single-upload-form .row>label{min-width:9rem;font-size:var(--text-sm);color:var(--color-ink-soft);flex:0 0 9rem;font-weight:500}.single-upload-form .row>select,.single-upload-form .row>input[type=text],.single-upload-form .row>input[type=file],.single-upload-form .row>input:not([type=file]){width:100%;font-family:var(--font-body);font-size:var(--text-sm);border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);background:var(--color-paper);color:var(--color-ink);flex:1;padding:.5rem .65rem}.hint{font-size:var(--text-xs);color:var(--color-graphite-muted);letter-spacing:.005em;margin-top:2px;font-weight:400;line-height:1.45;display:block}.single-upload-form .hint{white-space:nowrap}@media (width<=720px){.single-upload-form .row{flex-wrap:wrap}.single-upload-form .hint{white-space:normal;flex-basis:100%}}.btn-primary,.btn-secondary,.btn-danger,.btn-upload{white-space:nowrap}.panel a:not([class]),.data-table a:not([class]){color:var(--color-rule-blue);font-weight:500;text-decoration:none}.panel a:not([class]):hover,.data-table a:not([class]):hover{text-decoration:underline}.page-pager{gap:var(--space-3);scroll-snap-type:x mandatory;scroll-behavior:smooth;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;padding-bottom:var(--space-2);display:flex;overflow:auto hidden}.page-pager::-webkit-scrollbar{height:6px}.page-pager::-webkit-scrollbar-thumb{background:var(--color-graphite-hairline);border-radius:999px}.page-pager__page{scroll-snap-align:center;scroll-snap-stop:always;flex-direction:column;flex:0 0 100%;align-items:center;min-width:0;display:flex}.page-pager__page figure{max-width:100%!important}.page-pager--full{z-index:200;padding:56px var(--space-3) var(--space-3);background:var(--color-paper);align-items:flex-start;margin:0;position:fixed;inset:0;overflow-y:auto}.page-pager--full .page-pager__page{justify-content:flex-start}.page-pager--full .page-pager__page figure{max-width:min(100%,1100px)!important}.page-pager__bar{justify-content:space-between;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3);padding-right:44px;display:flex}.page-pager__bar--full{z-index:201;padding:var(--space-2) var(--space-3);background:var(--color-paper-raised);border-bottom:1px solid var(--color-graphite-hairline);margin:0;position:fixed;top:0;left:0;right:0}.page-pager__dots{align-items:center;gap:6px;display:flex}.page-pager__dot{cursor:pointer;background:var(--color-graphite-hairline);border:none;border-radius:999px;width:7px;height:7px;padding:0}.page-pager__dot[aria-current=true]{background:var(--color-rule-blue);width:18px}.ink-toolbar{align-items:center;gap:var(--space-3);padding:var(--space-2);background:var(--color-paper-raised);border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-md);flex-wrap:wrap;display:flex}.mark-editor{align-items:center;gap:var(--space-3);padding:var(--space-2);background:var(--color-paper);border:1px solid var(--color-rule-blue);border-radius:var(--radius-md);flex-wrap:wrap;display:flex}.mark-editor__field{align-items:center;gap:var(--space-2);flex:180px;min-width:0;display:flex}.mark-editor__field input{min-width:0;font-size:var(--text-sm);color:var(--color-ink);background:var(--color-paper-raised);border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);flex:auto;padding:.25rem .5rem;font-family:inherit}.ink-toolbar__group{align-items:center;gap:6px;display:flex}.ink-swatch{cursor:pointer;border:1px solid #00000026;border-radius:999px;width:26px;height:26px;padding:0}.ink-width{border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);cursor:pointer;justify-content:center;align-items:center;width:30px;height:30px;padding:0;display:flex}.ink-surface{border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);background:var(--color-paper-raised);touch-action:none;overscroll-behavior:contain;cursor:crosshair;flex:1;min-height:0;position:relative;overflow:hidden}.ink-layers{will-change:transform;position:relative}.ink-canvas{width:100%;height:auto;display:block}.ink-canvas--live{pointer-events:none;background:0 0;width:100%;height:100%;position:absolute;top:0;left:0}.workspace-head{justify-content:space-between;align-items:center;gap:var(--space-2);margin-bottom:var(--space-4);flex-wrap:wrap;display:flex}.workspace-actions{gap:var(--space-2);margin-left:auto;display:flex}@media (width<=560px){.workspace-head h3{flex:1 0 100%}.workspace-actions{flex:1 0 100%;justify-content:flex-end}.workspace-actions>*{max-width:50%;font-size:var(--text-xs);text-overflow:ellipsis;flex:1 1 0;padding-left:.5rem;padding-right:.5rem;overflow:hidden}}.page-frame{position:relative}.page-fullscreen{top:var(--space-2);right:var(--space-2);z-index:5;border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);background:var(--color-paper-raised);width:36px;height:36px;color:var(--color-ink);cursor:pointer;justify-content:center;align-items:center;padding:0;display:flex;position:absolute;box-shadow:0 1px 3px #1e2a3824}.page-fullscreen:hover{background:var(--color-paper)}.page-fullscreen--fixed{top:var(--space-2);right:var(--space-2);z-index:202;position:fixed}.password-field{position:relative}.password-field>input{width:100%;padding-right:2.5rem}.password-toggle{cursor:pointer;color:var(--color-graphite);background:0 0;border:none;justify-content:center;align-items:center;padding:.25rem;line-height:1;display:inline-flex;position:absolute;top:50%;right:.5rem;transform:translateY(-50%)}.password-toggle:hover:not(:disabled){color:var(--color-rule-blue)}.password-toggle:disabled{cursor:default;opacity:.5}.form-grid .field input,.form-grid .field select,.form-grid .field textarea,.input{width:100%;font-family:var(--font-body);font-size:var(--text-sm);border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);background:var(--color-paper);color:var(--color-ink);padding:.5rem .65rem}.remark-bubble{font-family:var(--font-hand);font-size:var(--text-lg);color:var(--color-margin-red);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);background:#b23a2e0f;border:1px dashed #b23a2e59}.role-select-item{padding:var(--space-3) var(--space-4);background:var(--color-paper);border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;text-decoration:none;transition:border-color .15s,background .12s;display:flex}.role-select-item:hover{border-color:var(--color-rule-blue);background:#3f5d820a}.role-select-label{font-size:var(--text-sm);color:var(--color-ink);font-weight:500}.role-select-action{font-size:var(--text-sm);color:var(--color-rule-blue);font-weight:500}.metric-row{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.metric-label{max-width:100%;font-size:var(--text-sm);color:var(--color-ink-soft);flex:0 0 130px}.metric-bar{background:var(--color-graphite-hairline);border-radius:999px;flex:120px;height:10px;overflow:hidden}.metric-value{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-graphite);text-align:right;flex:none}@media (width<=860px){.app-shell{flex-direction:column}.app-topbar{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-paper-raised);border-bottom:1px solid var(--color-graphite-hairline);z-index:30;display:flex;position:sticky;top:0}.nav-toggle{border:1px solid var(--color-graphite-hairline);border-radius:var(--radius-sm);width:2.25rem;height:2.25rem;color:var(--color-ink);cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:0;display:inline-flex}.app-topbar-brand{align-items:baseline;gap:var(--space-2);color:var(--color-ink);font-family:var(--font-display);font-size:var(--text-lg);font-weight:600;text-decoration:none;display:flex}.app-topbar-brand .mark{font-family:var(--font-hand);font-style:italic;font-size:var(--text-xl);color:var(--color-margin-red)}.app-nav{z-index:40;width:min(280px,85vw);padding-top:var(--space-6);transition:transform .22s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.app-nav.open{box-shadow:var(--shadow-raised);transform:translate(0)}.nav-scrim{z-index:35;opacity:0;pointer-events:none;background:#1e2a3866;transition:opacity .22s;display:block;position:fixed;inset:0}.nav-scrim.open{opacity:1;pointer-events:auto}.app-main{padding:var(--space-4) var(--space-4);max-width:100%}.app-main h1{font-size:var(--text-xl)}:has(>.data-table){-webkit-overflow-scrolling:touch;overflow-x:auto}.data-table{min-width:max-content}.data-table th,.data-table td{white-space:nowrap}.ai-feedback-row{flex-wrap:wrap}}@media (width<=480px){.app-main{padding:var(--space-3) var(--space-3)}.stat-grid{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}.panel{padding:var(--space-4)}.form-grid,.form-grid-spread{grid-template-columns:1fr}.single-upload-form .row>label{flex:0 0 100%;min-width:100%}.metric-label,.metric-bar{flex-basis:100%}}