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var(--td-border);border-radius:var(--td-radius-card);padding:16px;box-shadow:var(--td-shadow-1)}.td-card-title{font-size:.95rem;color:var(--td-muted)}.td-card-value{font-size:1.8rem;font-weight:700}.td-table-head{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif}.td-table th.td-table-head,.td-table th.td-table-head-cleanow{text-align:center}.td-table-body{font-family:Arial,sans-serif}.td-table td{vertical-align:middle}.td-table-center{text-align:center;font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;font-size:1.05rem}.td-table-center .td-ontrack{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif}.td-table-head-cleanow{font-family:Arial,sans-serif;color:var(--td-blue-dark)}.td-table-head-lg{font-size:1.35rem}.td-class-name{font-size:1.35rem;color:var(--td-blue-dark);font-family:Arial,sans-serif}.td-ontrack{font-weight:600}.td-ontrack-9,.td-ontrack-10{color:#2f5cff}.td-ontrack-8{color:var(--td-green)}.td-ontrack-7{color:var(--td-orange)}.td-ontrack-6{color:var(--td-red)}.td-ontrack-0,.td-ontrack-1,.td-ontrack-2,.td-ontrack-3,.td-ontrack-4,.td-ontrack-5{color:#7a1020}.td-list-title{font-family:Arial,sans-serif;font-size:1.4rem;text-align:center}.td-list-title-warning{color:var(--td-orange)}.td-list-count{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;color:var(--td-text);text-align:center;display:block;width:100%}.td-list .td-card-header{flex-direction:column;align-items:center;gap:4px}.td-list-title.td-list-title-primary{color:var(--td-blue-dark)}.td-pulse{text-align:center;border:none;cursor:pointer}.td-pulse-title{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif}.td-pulse-value{width:100%;text-align:center;font-family:Arial,sans-serif;font-size:2rem}.td-pulse.success .td-pulse-value{color:var(--td-green)}.td-pulse.warning .td-pulse-value{color:var(--td-orange)}.td-pulse.danger .td-pulse-value{color:var(--td-red)}.td-pulse.neutral .td-pulse-value{color:var(--td-muted)}.td-pulse.success{border-left:6px solid var(--td-green)}.td-pulse.warning{border-left:6px solid var(--td-orange)}.td-pulse.danger{border-left:6px solid var(--td-red)}.td-pulse.neutral{border-left:6px solid #94a3b8}.td-split-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.td-list-items{display:flex;flex-direction:column;gap:12px}.td-student-name{font-family:Arial,sans-serif;color:var(--td-blue-dark);font-size:1.35rem;font-weight:600}.td-student-detail{font-family:Arial,sans-serif;color:#000;font-size:.9rem}.td-secondary-btn,.td-pill{font-family:Arial,sans-serif}.td-list-row{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1px solid var(--td-border-soft);border-radius:var(--td-radius-card);background:#fafcff}.td-secondary-btn{border:1px solid var(--td-border);background:var(--td-surface);padding:8px 14px;border-radius:var(--td-radius-button);cursor:pointer;font-size:.95rem;line-height:1.2;transition:background .16s ease,border-color .16s ease,color .16s ease,box-shadow .16s ease}.td-secondary-btn:hover{background:#f1f5f9;border-color:#cbd5f5}.td-secondary-btn:focus-visible{outline:2px solid rgba(59,130,246,.5);outline-offset:2px}.td-table table{width:100%;border-collapse:collapse}.td-table th,.td-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--td-border-soft)}.td-table thead tr{background:#f3f6fb}.td-table tbody tr{transition:background .16s ease}.td-table tbody tr:hover{background:#f8fbff}.td-table td.td-table-center{text-align:center}.td-pill.td-table-center{display:inline-flex;justify-content:center;align-items:center;min-width:90px;font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif}.td-status{padding:4px 10px;border-radius:var(--td-radius-pill);font-size:.8rem;font-weight:600}.td-status.Passed{background:#e6f4ea;color:#2e7d32}.td-status.Submitted{background:#ffe9e2;color:#e76a3a}.td-status.Note-Added{background:#fff3d6;color:#c67808}.td-status.Assigned{background:#e3ecff;color:#2f5fb3}.td-summary-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:20px}.td-summary-strip div{background:var(--td-surface);border:1px solid var(--td-border);border-radius:var(--td-radius-card);padding:12px 14px;display:flex;flex-direction:column;gap:6px;text-align:center;align-items:center}.td-summary-strip span,.td-summary-strip strong,.td-map h2,.td-insights h2{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;text-align:center}.td-map-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}.td-map-node{background:#f1f5ff;border:1px dashed #9bb6e5;border-radius:10px;padding:12px;text-align:center}.td-insights ul{padding-left:18px;color:var(--td-muted)}.td-insights-placeholder{margin-top:12px;border-radius:12px;border:1px solid var(--td-border);padding:14px;text-align:center;font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif}.td-student{display:flex;align-items:center;gap:10px}.td-student img{width:32px;height:32px;border-radius:50%}.td-pill{padding:4px 10px;border-radius:var(--td-radius-pill);background:#eef2ff;font-size:.75rem}.td-pill.status-on_track{background:#e6f4ea;color:#2e7d32}.td-pill.status-stuck{background:#ffe0e0;color:#d64545}.td-pill.status-needs_attention{background:#fff3d6;color:#c67808}.td-pill.status-low_engagement{background:#e0efff;color:#2f5fb3}.td-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}.td-tabs button{border:1px solid var(--td-border);background:#fff;padding:8px 12px;border-radius:999px;cursor:pointer}.td-tabs button.is-active{background:var(--td-blue);color:#fff}.td-tabs-secondary{margin-bottom:20px}.td-panel{display:flex;flex-direction:column;gap:12px}.td-panel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.td-panel-card{background:#f8faff;border:1px solid #e4e9f5;border-radius:12px;padding:12px}.td-path-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.td-path-node{background:#f8faff;border:1px solid #e4e9f5;border-radius:12px;padding:14px;text-align:center}.td-path-node.is-bottleneck{border-color:#f1b6b6;background:#fff5f5}.td-path-count{font-size:1.8rem;font-weight:700}.td-report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.td-report button{margin-top:10px}.td-chat{position:fixed;right:16px;bottom:16px;width:var(--td-chat-width);background:var(--td-surface);border:1px solid var(--td-border);border-radius:var(--td-radius-card);box-shadow:var(--td-shadow-2);display:flex;flex-direction:column;z-index:50;overflow:visible;transition:height .22s ease}.td-chat-minimized{height:72px;overflow:hidden}.td-chat-peek{height:420px}.td-chat-full{height:620px}.td-chat-minimized .td-chat-context,.td-chat-minimized .td-chat-tabs,.td-chat-minimized .td-chat-messages,.td-chat-minimized .td-chat-body,.td-chat-minimized .td-chat-input{display:none}.td-chat-header{background:var(--td-blue-dark);color:#fff;padding:14px 12px;display:flex;justify-content:space-between;align-items:center;min-height:56px;border-radius:var(--td-radius-card) var(--td-radius-card) 0 0;position:relative;z-index:2}.td-chat-title{display:flex;align-items:center;gap:8px;color:#fff}.td-chat-title strong{color:#fff}.td-chat-logo{width:32px;height:32px;object-fit:contain}.td-chat-controls button{background:transparent;border:none;color:#fff;margin-left:6px;cursor:pointer}.td-chat-context{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid #edf2f7}.td-context-pill{background:#eef2ff;padding:4px 10px;border-radius:999px;font-size:.75rem}.td-context-override{border:none;background:transparent;color:var(--td-blue);cursor:pointer}.td-chat-tabs{display:flex;gap:8px;padding:8px 12px;border-bottom:1px solid #edf2f7}.td-chat-tabs button{border:none;background:transparent;color:var(--td-muted);cursor:pointer}.td-chat-tabs .is-active{color:var(--td-blue);font-weight:600}.td-chat-body{position:relative;flex:1;display:flex;flex-direction:column;min-height:0;background:var(--td-surface);z-index:2}.td-chat-messages{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:12px;background:var(--td-surface)}.td-chat-message{display:flex;flex-direction:column;gap:4px}.td-chat-user .td-chat-bubble{align-self:flex-end;background:var(--td-blue-dark);color:#fff}.td-chat-assistant .td-chat-bubble{background:#f1f5f9}.td-chat-bubble{padding:10px 12px;border-radius:12px;font-family:Arial,sans-serif;font-size:.95rem}.td-chat-assistant .td-chat-bubble{border-bottom-left-radius:0}.td-chat-user .td-chat-bubble{border-bottom-right-radius:0}.td-chat-time{font-size:.7rem;color:var(--td-muted)}.td-chat-suggest-tab{position:absolute;left:0;top:50%;transform:translate(-100%,-50%);width:28px;height:66px;background:var(--td-blue-dark);border:none;border-radius:16px 0 0 16px;cursor:pointer;z-index:3;display:flex;align-items:center;justify-content:center;color:#fff}.td-chat-suggest-arrow{display:inline-block;font-size:.85rem;transform:translate(-1px);transition:transform .18s ease}.td-chat-suggest-tab.is-open .td-chat-suggest-arrow{transform:translate(1px) rotate(180deg)}.td-chat-suggest{position:absolute;left:-220px;top:0;bottom:0;width:220px;background:#f8faff;border-right:1px solid #e2e8f0;transform:translate(100%);transition:transform .18s ease;padding:12px;display:flex;flex-direction:column;gap:10px;z-index:-2}.td-chat-suggest.is-open{transform:translate(0)}.td-chat-suggest-title{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;color:var(--td-blue-dark);font-size:.95rem;text-align:center}.td-chat-suggest-list{display:grid;gap:8px}.td-chat-suggest-list button{border:1px solid #dbe3f3;background:#fff;border-radius:10px;padding:8px;font-size:.8rem;cursor:pointer;font-family:Arial,sans-serif}.td-chat-input{display:flex;gap:8px;padding:10px 12px 12px;border-top:1px solid #edf2f7;align-items:stretch;position:relative;z-index:2}.td-chat-input input{flex:1;padding:8px 10px;border-radius:10px;border:1px solid var(--td-border);font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;font-size:.95rem;height:40px;box-sizing:border-box;color:var(--td-blue-dark)}.td-chat-input button{background:var(--td-blue-dark);color:#fff;border:none;padding:8px 12px;border-radius:10px;cursor:pointer;height:100%;display:flex;align-items:center;justify-content:center;min-height:40px}.td-tabs-secondary button{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif}.td-alert-class{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;color:var(--td-blue-dark);font-size:.95rem;margin-top:2px}.td-alert-summary{font-family:Arial,sans-serif;color:#000;font-size:.9rem;margin-top:2px}.td-success{background:#e8f7ee;color:#136e3a;border:1px solid #b9e8c8;padding:10px 14px;border-radius:12px;font-family:Arial,sans-serif;margin:0 0 16px}.td-empty-state{font-family:Arial,sans-serif;color:var(--td-blue-dark);font-size:1.5rem;padding:24px;text-align:center}.td-empty-image{display:flex;justify-content:center;margin-top:16px}.td-empty-image img{width:700px;height:auto;border-radius:26px;box-shadow:0 18px 40px #14233c47}.td-roster-edit{border:0;background:transparent;padding:0;font:inherit;color:inherit;cursor:pointer;text-align:left;display:block;width:100%;line-height:inherit}.td-roster-input{border:0;border-radius:0;padding:0;margin:0;font:inherit;line-height:inherit;color:inherit;background:transparent;width:100%;height:100%;box-sizing:border-box;appearance:none}.td-roster-input:focus-visible{outline:none;box-shadow:inset 0 0 0 1px var(--td-border);border-radius:6px}.td-confirm-btn{background:var(--td-blue-dark);color:#fff;border:none}.td-roster-actions{display:inline-flex;align-items:center;gap:8px}.td-alert-badge{position:absolute;top:-8px;right:-8px;transform:none;z-index:50;height:22px;width:22px;min-width:22px;padding:0;border-radius:var(--td-radius-badge);border:2px solid #ffffff;background:var(--td-danger);color:#fff;font-size:13px;font-weight:800;letter-spacing:-.2px;line-height:1;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 6px 14px #0f172a2e;cursor:pointer}.td-alert-badge.is-wide{width:auto;min-width:28px;padding:0 6px}.td-roster-actions-cell{text-align:right;vertical-align:middle}.td-roster-actions-head{text-align:right}.td-roster-view{padding:8px 14px}.td-eye-btn{border-color:#d6dde8;background:#fff;color:#475569}.td-eye-btn:hover{background:#f1f5f9;border-color:#cbd5f5;color:#1e293b}.td-eye-btn svg{display:block;width:18px;height:18px;fill:currentColor}.td-eye-icon{display:block;width:18px;height:18px}.td-roster-trash{color:#94a3b8}.td-roster-trash:hover{background:#ef44441f;color:#b91c1c}.td-roster-title,.td-roster-count{font-family:Arial,sans-serif;color:var(--td-blue-dark)}.td-roster-count{margin-left:6px}.td-roster-head{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;font-weight:600}.td-card td{font-family:Arial,sans-serif;font-size:calc(1rem + 3px)}.td-modal-overlay{position:fixed;inset:0;background:#0a101c59;display:flex;align-items:center;justify-content:center;z-index:1200;padding:24px;opacity:0;pointer-events:none;transition:opacity .2s ease}.td-modal{width:min(720px,92vw);background:var(--td-surface);border-radius:var(--td-radius-card);box-shadow:var(--td-shadow-2);padding:24px 26px 28px;transform:translateY(10px) scale(.98);opacity:0;transition:transform .2s ease,opacity .2s ease}.td-modal-overlay.is-visible{opacity:1;pointer-events:auto}.td-modal-overlay.is-closing{opacity:0;pointer-events:none}.td-modal.is-visible{opacity:1;transform:translateY(0) scale(1)}.td-modal.is-closing{opacity:0;transform:translateY(10px) scale(.98)}.td-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.td-modal-header h2{margin:0;font-size:1.8rem;font-family:Arial,sans-serif;color:var(--td-blue-dark);text-align:center;width:100%}.td-modal-close{border:0;background:#eef3f9;color:#2a3a52;width:34px;height:34px;border-radius:var(--td-radius-pill);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;line-height:1;padding:0}.td-create-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.td-create-card{border:2px solid #8cc7ef;border-radius:var(--td-radius-card);background:var(--td-surface);padding:20px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease}.td-create-card img{width:min(160px,70%);height:auto;display:block}.td-create-card span{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;color:var(--td-blue-dark);font-size:1.1rem}.td-create-card.is-active{box-shadow:0 12px 24px #1e508c2e;transform:translateY(-2px)}.td-create-form{margin-top:20px;display:flex;gap:16px;align-items:flex-end;flex-direction:column}.td-create-row{display:flex;gap:16px;align-items:center;width:100%}.td-create-label{font-family:Arial Rounded MT Bold,Arial Rounded MT,Arial,sans-serif;color:#2a3a52;min-width:110px}.td-create-input{flex:1;min-width:220px;border:1px solid #c7d3e6;border-radius:var(--td-radius-button);padding:10px 12px;font-family:Arial,sans-serif;font-size:1rem}.td-create-block{width:100%}.td-create-class-btn{white-space:nowrap;height:44px;background:#16a34a;color:#fff;border:none}.td-create-form-drawer{max-height:0;opacity:0;overflow:hidden;margin-top:0;pointer-events:none;transition:max-height .24s ease,opacity .2s ease,margin-top .2s ease;width:100%;align-self:stretch}.td-create-form-drawer.is-open{max-height:420px;opacity:1;margin-top:10px;pointer-events:auto}.td-create-form label{display:flex;flex-direction:column;gap:6px;font-family:Arial,sans-serif;color:#2a3a52;min-width:0}.td-create-form input{border:1px solid #c7d3e6;border-radius:var(--td-radius-button);padding:10px 12px;font-family:Arial,sans-serif}.td-create-students-input{border:1px solid #c7d3e6;border-radius:var(--td-radius-button);padding:10px 12px;font-family:Arial,sans-serif;font-size:1rem;resize:vertical;min-height:110px;width:100%;box-sizing:border-box}.td-create-note{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-family:Arial,sans-serif;color:#2a3a52}.td-danger-btn{margin-left:8px;border:1px solid #f2b0b0;background:#fdecec;color:#b42323;border-radius:10px;padding:6px 12px;font-family:Arial,sans-serif;cursor:pointer}.td-delete-body{font-family:Arial,sans-serif;color:#2a3a52;font-size:1rem;margin-bottom:20px;text-align:center;display:grid;gap:8px}.td-delete-name{font-family:Arial,sans-serif;font-size:1.2rem;color:var(--td-blue-dark)}.td-delete-actions{display:flex;justify-content:flex-end;gap:12px;justify-content:center}.td-students-submit{margin-top:10px;align-self:center;background:var(--td-blue-dark);color:#fff;border:none}.td-students-drawer .td-students-submit{display:block;margin-left:auto;margin-right:auto}@media(max-width:1200px){.td-pulse-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.td-split-grid{grid-template-columns:1fr}}@media(max-width:900px){.td-layout{grid-template-columns:80px 1fr}.td-nav-item{justify-content:center}.td-nav-item span+span{display:none}}@media(max-width:700px){.td-topbar{flex-direction:column;align-items:stretch}.td-chat{width:92%;right:4%}}.student-onboarding{min-height:100vh;display:flex;align-items:center;justify-content:center;background:url(/images/shared/classroom.png) center/cover no-repeat fixed;position:relative;width:100vw;opacity:1;transition:opacity .32s 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12px;border-radius:12px;cursor:pointer}@media(max-width:900px){.lesson-body{grid-template-columns:1fr}}:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}