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linear}.subtree-progress-text{font-size:var(--font-size-xs);color:var(--color-admin-text-muted);margin-top:var(--space-6);text-align:center}.subtree-generate-error{margin-top:var(--space-sm);padding:var(--space-sm);background:var(--color-dark-error-bg);border-radius:var(--radius-4);color:#f44336;font-size:var(--font-size-xs)}.subtree-results{margin-top:var(--space-md)}.subtree-results-summary{font-size:var(--font-size-xs);color:var(--color-dark-text-muted);margin-bottom:var(--space-sm)}.subtree-grid{gap:var(--space-2);grid-template-columns:100px repeat(4,1fr);display:grid}.subtree-grid-header,.subtree-grid-row{display:contents}.subtree-grid-cell{padding:var(--space-6)var(--space-xs);text-align:center;font-size:var(--font-size-xs);border-radius:var(--radius-4)}.subtree-grid-corner{background:0 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var(--radius-4)var(--radius-4)0;background:var(--color-dark-surface-card);justify-content:space-between;align-items:center;display:flex}.triage-result-label{font-size:var(--font-size-xs);color:var(--triage-pile-color,var(--color-dark-text-tertiary));font-weight:600}.triage-result-stats{font-size:var(--font-size-xs);color:var(--color-admin-text-muted)}
.figure-svg{max-width:100%;height:auto;margin:var(--space-sm)0;border:var(--border-width-1)solid var(--color-dark-border-333);border-radius:var(--radius-6);background:#0d0d0d;display:block}.figure-axis{stroke:#888;stroke-width:1.5px}.figure-grid-line{stroke:#2a2a2a;stroke-width:.5px}.figure-tick-label{fill:#888;font-size:var(--font-size-px-10)}.figure-curve{stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.figure-curve-1{stroke:var(--color-violet-500)}.figure-key-point{fill:var(--color-danger-bright);stroke:var(--color-dark-text-fff);stroke-width:1px}.figure-point-label{fill:#ddd;font-size:var(--font-size-px-12);font-weight:500}.figure-connect-line{stroke:var(--color-violet-500);stroke-width:1.5px;stroke-dasharray:4 2}
.socratic-panel{border:var(--border-width-1)solid var(--color-dark-border-333);border-radius:var(--radius-6);background:var(--color-dark-surface-deep);flex-direction:column;height:100%;max-height:500px;display:flex;overflow:hidden}.socratic-header{align-items:center;gap:var(--space-sm);padding:var(--space-sm)var(--space-md);border-bottom:var(--border-width-1)solid var(--color-dark-border-333);display:flex}.socratic-title{font-size:var(--font-size-px-14);color:var(--color-dark-text-tertiary);flex:1;font-weight:600}.socratic-exchange-count{font-size:var(--font-size-px-12);color:var(--color-admin-text-muted);font-family:monospace}.socratic-understanding{font-size:var(--font-size-px-12);color:var(--color-green-500);padding:var(--space-1)var(--space-6);border:var(--border-width-1)solid var(--color-green-500);border-radius:var(--radius-4);font-weight:700}.socratic-gap-banner{padding:var(--space-6)var(--space-md);font-size:var(--font-size-px-12);color:var(--sem-warning);border-bottom:var(--border-width-1)solid var(--color-dark-border-333);background:#f59e0b1a}.socratic-messages{padding:var(--space-sm)var(--space-md);gap:var(--space-sm);flex-direction:column;flex:1;display:flex;overflow-y:auto}.socratic-message{max-width:85%;padding:var(--space-6)var(--space-10);border-radius:var(--radius-6);font-size:var(--font-size-px-14);line-height:1.5}.socratic-message-tutor{background:var(--sem-surface-dark-elevated);color:var(--color-gray-350);align-self:flex-start}.socratic-message-student{color:var(--color-gray-350);background:#1e3a2e;align-self:flex-end}.socratic-message-label{font-size:var(--font-size-px-10);color:var(--color-admin-text-muted);margin-bottom:var(--space-2);text-transform:uppercase;font-weight:600}.socratic-message-content{word-break:break-word}.socratic-typing{color:var(--color-admin-text-muted);font-style:italic}.socratic-input-row{gap:var(--space-6);padding:var(--space-sm)var(--space-md);border-top:var(--border-width-1)solid var(--color-dark-border-333);display:flex}.socratic-input{padding:var(--space-6)var(--space-10);font-size:var(--font-size-px-14);background:var(--color-dark-surface-card);border:var(--border-width-1)solid var(--color-dark-border-444);border-radius:var(--radius-4);color:var(--color-dark-text-fff);outline:none;flex:1}.socratic-input:focus{border-color:var(--color-violet-500)}.socratic-input::placeholder{color:var(--color-gray-dark-label)}.socratic-send-btn{padding:var(--space-6)var(--space-14);font-size:var(--font-size-px-14);background:var(--color-violet-500);color:var(--color-dark-text-fff);border-radius:var(--radius-4);cursor:pointer;border:none;font-weight:600}.socratic-send-btn:disabled{opacity:.4;cursor:not-allowed}.socratic-finished{padding:var(--space-10)var(--space-md);font-size:var(--font-size-px-14);color:var(--color-admin-text-muted);text-align:center;border-top:var(--border-width-1)solid var(--color-dark-border-333);gap:var(--space-sm);flex-direction:column;align-items:center;display:flex}.socratic-new-session-btn{padding:var(--space-6)var(--space-14);font-size:var(--font-size-px-12);background:var(--color-violet-500);color:var(--color-dark-text-fff);border-radius:var(--radius-4);cursor:pointer;margin-top:var(--space-xs);border:none;font-weight:600}.socratic-new-session-btn:hover{background:var(--color-violet-600)}.socratic-error{padding:var(--space-6)var(--space-md);font-size:var(--font-size-px-12);color:var(--color-danger-bright);border-top:var(--border-width-1)solid var(--color-dark-border-333)}.socratic-drill-btn{padding:var(--space-2)var(--space-sm);font-size:var(--font-size-px-12);color:var(--color-violet-500);border:var(--border-width-1)solid var(--color-violet-500);border-radius:var(--radius-4);cursor:pointer;margin-left:var(--space-sm);background:0 0;flex-shrink:0;font-weight:600}.socratic-drill-btn:hover{background:var(--color-violet-500);color:var(--color-dark-text-fff)}.socratic-welcome{padding:var(--space-20);flex:1;justify-content:center;align-items:center;display:flex}.socratic-welcome-content{text-align:center;max-width:320px}.socratic-welcome-title{font-size:var(--font-size-px-16);color:var(--color-gray-350);margin:0 0 var(--space-md)0;font-weight:600}.socratic-welcome-text{font-size:var(--font-size-px-14);color:var(--color-gray-600);margin:0 0 var(--space-20)0;line-height:1.6}.socratic-start-btn{padding:var(--space-10)var(--space-xl);font-size:var(--font-size-px-14);background:var(--color-violet-500);color:var(--color-dark-text-fff);border-radius:var(--radius-6);cursor:pointer;border:none;font-weight:600;transition:background .2s}.socratic-start-btn:hover{background:var(--color-violet-600)}
.scratch-canvas-wrapper{background:var(--color-dark-text-fff);border-radius:var(--radius-8);flex-direction:column;height:100%;display:flex;overflow:hidden}.scratch-canvas-area{padding:var(--space-sm);flex:1;justify-content:center;align-items:flex-start;display:flex;overflow:auto}.scratch-canvas-area.cursor-eraser{cursor:crosshair}.scratch-canvas-controls{align-items:center;gap:var(--space-6);padding:var(--space-sm)var(--space-md);border-top:var(--border-width-1)solid #e0e0e0;background:#f8f8f8;flex-shrink:0;display:flex}.scratch-ctrl-btn{padding:var(--space-xs)var(--space-10);font-size:var(--font-size-px-12);border:var(--border-width-1)solid #d0d0d0;border-radius:var(--radius-4);background:var(--color-dark-text-fff);color:#444;cursor:pointer}.scratch-ctrl-btn:hover{background:var(--color-gray-warm-200)}.scratch-ctrl-btn.active{color:#1565c0;background:#e3f2fd;border-color:#90caf9;font-weight:600}.scratch-ctrl-btn:disabled{opacity:.4;cursor:not-allowed}.scratch-ctrl-btn--danger{color:var(--color-red-900);border-color:#e0b0b0}.scratch-ctrl-btn--danger:hover{background:#fce4ec}.scratch-ctrl-divider{width:var(--border-width-1);height:var(--space-20);margin:0 var(--space-xs);background:#d0d0d0}.scratch-ctrl-label{font-size:var(--font-size-px-12);color:#666;min-width:var(--space-2xl);text-align:center}
.session-layout{background:#0a0a0a;width:100%;height:calc(100vh - 60px);display:flex;overflow:hidden}.session-panel-left{border-right:var(--border-width-1)solid var(--color-dark-border-333);flex-direction:column;flex:0 0 400px;min-width:300px;max-width:600px;display:flex;overflow:hidden}.session-panel-right{flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.session-panel-left .socratic-panel{border:none;border-radius:0;height:100%;max-height:none}.socratic-welcome{padding:var(--space-xl);flex:1;justify-content:center;align-items:center;display:flex}.socratic-welcome-content{text-align:center;max-width:280px}.socratic-welcome-title{font-size:var(--font-size-px-16);color:var(--color-dark-text-tertiary);margin:0 0 var(--space-sm)0;font-weight:600}.socratic-welcome-text{font-size:var(--font-size-px-14);color:var(--color-admin-text-muted);margin:0 0 var(--space-lg)0;line-height:1.5}.socratic-start-btn{padding:var(--space-sm)var(--space-20);font-size:var(--font-size-px-14);background:var(--color-violet-500);color:var(--color-dark-text-fff);border-radius:var(--radius-4);cursor:pointer;border:none;font-weight:600}.socratic-start-btn:hover{background:var(--color-violet-600)}.socratic-start-btn:disabled{opacity:.4;cursor:not-allowed}@media (max-width:1024px){.session-layout{flex-direction:column}.session-panel-left{min-width:unset;max-width:unset;border-right:none;border-bottom:var(--border-width-1)solid var(--color-dark-border-333);flex:0 0 50%}.session-panel-right{flex:1}}