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var(--border);justify-content:flex-end;margin-top:-1px;padding:8px 12px 10px;display:flex}.upload-detail-header-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.upload-detail-summary{color:var(--text-dim);font-size:14px;line-height:1.5}.upload-concepts-list{color:var(--text-dim);flex-direction:column;gap:4px;margin:0;padding-left:18px;font-size:13px;display:flex}.upload-question-readonly{border-top:1px solid var(--border);flex-direction:column;gap:8px;padding-top:12px;display:flex}.upload-question-options{color:var(--text-dim);flex-direction:column;gap:4px;margin:0;padding-left:18px;font-size:13px;display:flex}.upload-question-options--correct{color:var(--green);font-weight:700}.upload-question-answer{color:var(--gold);font-size:13px;font-weight:700}.testprep-parent-row--inline{flex-direction:row;justify-content:space-between;align-items:center}.grade-badge{font-family:var(--font-heading);border-radius:999px;flex-shrink:0;padding:4px 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solid var(--border);cursor:pointer;width:100%;color:var(--text);font:inherit;-webkit-tap-highlight-color:transparent;border-radius:14px;align-items:center;gap:12px;padding:12px 14px;transition:border-color .15s,opacity .15s;display:flex}.share-friend-row:not(:disabled):hover{border-color:var(--purple)}.share-friend-row:disabled{cursor:default}.share-friend-avatar{background:var(--bg-elevated);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:flex}.share-friend-info{flex:1;min-width:0}.share-friend-name{font-family:var(--font-heading);font-size:14px;font-weight:700}.share-friend-stat{margin-top:2px;font-size:12px}.share-friend-stat--share{color:var(--blue)}.share-friend-stat--waiting{color:#ffb066;font-style:italic;font-weight:600}.share-flame{filter:grayscale();opacity:.4;flex-shrink:0;font-size:20px;transition:filter .15s,opacity 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16px}.curriculum-unit-summary{cursor:pointer;justify-content:space-between;align-items:center;gap:10px;padding:14px 0;list-style:none;display:flex}.curriculum-unit-summary::-webkit-details-marker{display:none}.curriculum-unit-summary:before{content:"▸";color:var(--text-faint);margin-right:10px;transition:transform .15s;display:inline-block}.curriculum-unit[open]>.curriculum-unit-summary:before{transform:rotate(90deg)}.curriculum-unit-title{font-family:var(--font-heading);font-size:15px;font-weight:700}.curriculum-unit-count{color:var(--text-faint);flex-shrink:0;font-size:12px}.curriculum-topic-list{flex-direction:column;gap:8px;padding:0 0 14px;display:flex}.curriculum-topic{background:var(--card-2);border:1px solid var(--border);border-radius:12px;padding:4px 14px}.curriculum-topic-summary{cursor:pointer;padding:10px 0;font-size:14px;font-weight:600;list-style:none}.curriculum-topic-summary::-webkit-details-marker{display:none}.curriculum-topic-summary:before{content:"▸";color:var(--text-faint);margin-right:8px;transition:transform .15s;display:inline-block}.curriculum-topic[open]>.curriculum-topic-summary:before{transform:rotate(90deg)}.curriculum-topic-body{flex-direction:column;gap:12px;padding:0 0 16px;display:flex}.curriculum-explanation{color:var(--text);font-size:14px;line-height:1.6}.curriculum-box{border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.5}.curriculum-box-label{font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.03em;margin-bottom:6px;font-size:11px;font-weight:700}.curriculum-box--formulas{background:#9b4dff1a;border:1px solid #9b4dff4d}.curriculum-box--formulas .curriculum-box-label{color:var(--purple-bright)}.curriculum-formula-list{margin:0;padding-left:18px}.curriculum-formula-list li{font-family:Courier New,monospace}.curriculum-box--example{background:var(--bg-elevated);border:1px solid var(--border-strong)}.curriculum-box--example .curriculum-box-label{color:var(--blue)}.curriculum-example-text{white-space:pre-line}.curriculum-box--mistake{background:#ff5c7a1a;border:1px solid #ff5c7a59}.curriculum-box--mistake .curriculum-box-label{color:#ffb3c1}.curriculum-updated{text-align:center;color:var(--text-faint);padding-top:4px;font-size:12px}@media (width>=540px){body{justify-content:center;display:flex}.screen,.auth-screen{width:100%}}