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1.5rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color)}.current-context label{font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);font-weight:700}.equation-display{font-family:Courier New,monospace;font-size:1.5rem;font-weight:600;color:var(--text-primary)}.close-btn{background:var(--bg-secondary, #e9ecef);border:1px solid var(--border-color, #dee2e6);border-radius:8px;padding:.4rem .75rem;cursor:pointer;color:var(--text-primary, #212529);font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:.4rem;transition:background .2s,color .2s}.close-btn:hover{background:var(--border-color, #ced4da);color:var(--text-primary, #212529)}.draw-solve-body{padding:1rem;background:#1a1a1a;display:flex;flex-direction:column;gap:1rem;flex:1;overflow:hidden}.canvas-wrapper{flex:1;border:2px dashed #495057;border-radius:12px;overflow:hidden;position:relative}.draw-solve-controls{display:flex;gap:1rem}.control-btn{width:50px;height:50px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:#343a40;border:1px solid #495057;color:#e9ecef;cursor:pointer;transition:all .2s}.control-btn svg{width:24px;height:24px;min-width:24px;stroke:#e9ecef}.control-btn:hover{background:#495057}.action-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.75rem;background:var(--accent-primary);border:none;border-radius:12px;color:#fff;font-weight:600;font-size:1.1rem;cursor:pointer;transition:all .2s}.action-btn:hover{background:var(--accent-hover);transform:translateY(-2px)}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.about-modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;justify-content:center;align-items:center;z-index:3000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:fadeIn .2s ease-out}.about-modal{background-color:var(--bg-secondary);width:90%;max-width:500px;padding:32px;position:relative;box-shadow:var(--shadow-brutalist-lg)!important;border:var(--border-stroke) solid var(--border-color)!important;max-height:90vh;overflow-y:auto}.about-header{text-align:center;margin-bottom:24px}.logo-icon-large{background-color:var(--bg-tertiary);width:80px;height:80px;border-radius:0!important;border:var(--border-stroke) solid var(--border-color);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:var(--accent-primary);box-shadow:var(--shadow-brutalist)}.about-modal h2{font-family:var(--font-headline);font-size:1.8rem;font-weight:700;margin:0;color:var(--text-primary);text-transform:uppercase}.beta-badge{display:inline-block;margin-top:8px;padding:4px 12px;background-color:var(--accent-tertiary);color:#000;border:var(--border-stroke-thin) solid var(--border-color);font-family:var(--font-mono);font-size:.8rem;font-weight:700;text-transform:uppercase}.about-content section{margin-bottom:24px}.about-content h3{font-family:var(--font-headline);font-size:1rem;color:var(--accent-primary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em;font-weight:700}.about-content p{line-height:1.6;color:var(--text-secondary);margin:0}.mode-guide-links{display:flex;flex-direction:column;gap:8px}.mode-guide-link{display:flex;align-items:center;gap:12px;padding:12px 16px;border:var(--border-stroke) solid var(--border-color)!important;background-color:var(--bg-primary);cursor:pointer;transition:all .15s ease;text-align:left;width:100%;box-shadow:2px 2px 0 0 var(--border-color)}.mode-guide-link:hover{background-color:var(--bg-tertiary);transform:translate(-2px,-2px);box-shadow:4px 4px 0 0 var(--accent-primary)!important}.mode-guide-link:active{transform:translate(2px,2px);box-shadow:0 0 #0000!important}.mode-guide-icon{display:flex;align-items:center;flex-shrink:0}.mode-guide-label{font-family:var(--font-headline);font-weight:700;color:var(--text-primary);font-size:.95rem;text-transform:uppercase}.guide-back-btn{display:flex;align-items:center;gap:6px;background:none;border:var(--border-stroke-thin) solid var(--border-color);box-shadow:2px 2px 0 0 var(--border-color);color:var(--text-primary);cursor:pointer;font-family:var(--font-headline);font-weight:700;font-size:.85rem;padding:4px 12px;margin-bottom:12px;text-transform:uppercase}.guide-back-btn:hover{background-color:var(--bg-tertiary)}.guide-back-btn:active{transform:translate(2px,2px);box-shadow:0 0 #0000!important}.guide-steps{list-style:decimal;padding-left:20px;margin:8px 0 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li{margin-bottom:12px;padding-left:20px;position:relative;color:var(--text-secondary)}.feature-list li:before{content:"■";color:var(--accent-primary);font-weight:700;font-size:.8rem;position:absolute;left:0;top:2px}.credits{text-align:center;padding-top:16px;border-top:var(--border-stroke) solid var(--border-color);margin-top:24px}.credit-link{color:var(--accent-primary);text-decoration:none;font-weight:700;display:inline-flex;align-items:center;gap:4px;transition:color .2s}.credit-link:hover{color:var(--accent-hover);text-decoration:underline}.sub-credit{font-size:.9rem;color:var(--text-tertiary);margin-top:8px;display:flex;align-items:center;justify-content:center;gap:4px}.heart-icon{color:#e64980;fill:#e64980}.about-modal .close-icon{position:absolute;top:24px;right:24px;background:none;border:var(--border-stroke) solid var(--border-color);box-shadow:2px 2px 0 0 var(--border-color);color:var(--text-primary);cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:all .1s ease;padding:0}.about-modal .close-icon:hover{background-color:var(--bg-tertiary)}.about-modal .close-icon:active{transform:translate(2px,2px);box-shadow:0 0 #0000!important}@keyframes fadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.privacy-note{background-color:var(--bg-tertiary);border:var(--border-stroke) solid var(--border-color);border-left:6px solid var(--accent-primary)!important;padding:12px 16px;font-size:.95rem;color:var(--text-secondary)}.about-dysgraphia-link{display:inline-flex;align-items:center;gap:8px;margin-top:12px;background-color:var(--bg-tertiary);border:var(--border-stroke) solid var(--border-color)!important;color:var(--accent-primary);font-family:var(--font-headline);font-size:.85rem;font-weight:700;padding:8px 16px;cursor:pointer;box-shadow:2px 2px 0 0 var(--border-color);transition:all .15s ease;text-transform:uppercase}.about-dysgraphia-link:hover{background-color:var(--bg-tertiary)}.about-dysgraphia-link:active{transform:translate(2px,2px);box-shadow:0 0 #0000!important}.about-resource-link{display:inline-flex;align-items:center;gap:4px;color:var(--accent-primary);text-decoration:none;font-size:.9rem;transition:color .2s;padding:4px 0;font-weight:700}.about-resource-link:hover{color:var(--accent-hover);text-decoration:underline}.command-bar-container{position:fixed;bottom:2rem;left:50%;transform:translate(-50%);width:90%;max-width:850px;z-index:1000;display:flex;flex-direction:column;align-items:center;gap:8px}.command-bar-label{background-color:var(--bg-tertiary);color:var(--text-primary);padding:6px 16px;font-size:.8rem;font-family:var(--font-mono);font-weight:700;letter-spacing:.05em;border:var(--border-stroke-thin) solid var(--border-color);border-radius:var(--radius-pill)!important}.command-bar{display:flex;flex-direction:column;gap:12px;background-color:var(--bg-secondary);padding:16px;border:var(--border-stroke) solid var(--border-color);box-shadow:0 15px 40px -10px #0f172a1f;width:100%;border-radius:var(--radius-card)!important;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}body.dark-mode .command-bar{box-shadow:0 15px 40px -10px #00000080;background-color:#131a2cd9}.command-row-top{width:100%;display:flex;align-items:center;gap:12px}.command-row-bottom{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px}.divider-vertical{width:1px;height:32px;background-color:var(--border-color);margin:0 4px}.input-wrapper{position:relative;flex:1;display:flex;align-items:center;width:100%}.command-bar input{width:100%;padding:12px 18px;border:var(--border-stroke) solid var(--border-color);border-radius:var(--radius-card)!important;font-family:var(--font-mono);font-size:1.1rem;background-color:var(--bg-primary);color:var(--text-primary);outline:none;transition:all .2s ease}.command-bar input:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px #7c3aed1a!important}body.dark-mode .command-bar input:focus{box-shadow:0 0 0 3px #a78bfa26!important}.icon-btn{background-color:var(--bg-secondary);border:var(--border-stroke) solid var(--border-color);padding:8px;color:var(--text-secondary);cursor:pointer;box-shadow:var(--shadow-button);transition:all .2s ease;border-radius:var(--radius-sm)!important;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px}.icon-btn:hover{background-color:var(--bg-tertiary);color:var(--text-primary);transform:translateY(-1px)}.icon-btn:active{transform:translateY(1px)}.mic-btn,.operations-btn{height:48px;padding:0 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#f43f5e00}}.operations-button{background-color:var(--bg-tertiary)!important;color:var(--text-primary)!important;border:var(--border-stroke) solid var(--border-color)!important;border-radius:var(--radius-pill)!important;width:48px;height:48px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-button)}.operations-button:hover{background-color:var(--bg-secondary)!important}.history-controls{display:flex;gap:8px}.history-btn{border-radius:var(--radius-sm)!important}.auto-suggestions{position:absolute;bottom:calc(100% + 8px);left:0;right:0;background-color:var(--bg-secondary);border:var(--border-stroke) solid var(--border-color);box-shadow:0 10px 30px -5px #0f172a26;max-height:200px;overflow-y:auto;z-index:1010;border-radius:var(--radius-card)!important}body.dark-mode .auto-suggestions{box-shadow:0 10px 30px -5px #0006}.suggestion-item{padding:10px 16px;cursor:pointer;font-family:var(--font-mono);font-size:.9rem;color:var(--text-secondary);border-bottom:var(--border-stroke-thin) solid var(--border-color);transition:all .15s ease}.suggestion-item:last-child{border-bottom:none}.suggestion-item:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.suggestion-item.selected{background-color:var(--accent-light);color:var(--accent-primary)}.transcription-live{font-family:var(--font-body);font-size:.9rem;font-weight:500;color:var(--accent-secondary);font-style:italic;animation:text-pulse 1.5s infinite alternate}@keyframes text-pulse{0%{opacity:.7}to{opacity:1}}#root{width:100%}.app-container{display:flex;flex-direction:column;height:100vh;background-color:var(--bg-primary);font-family:var(--font-body);width:100%}.app-header{height:80px;background-color:var(--bg-secondary);border-bottom:var(--border-stroke) solid var(--border-color);padding:0 var(--spacing-margin-desktop, 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.main-content-centered{flex:1;min-width:0}.desmos-toggle-btn.active{background-color:var(--accent-primary)!important;color:#fff!important;border-color:var(--accent-primary)!important;box-shadow:0 4px 12px #7c3aed33}@media(max-width:768px){.desmos-toggle-btn{display:none}}.workspace{width:100%;max-width:1000px;margin:0 auto;display:flex;flex-direction:column;gap:24px;min-height:100%}.loading{display:flex;justify-content:center;align-items:center;height:100%;font-family:var(--font-mono);font-size:1.2rem;color:var(--text-tertiary)}.view-toggle{display:flex;justify-content:center;gap:16px;margin-bottom:16px}.toggle-btn{padding:8px 24px;border:var(--border-stroke) solid var(--border-color);background-color:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;font-family:var(--font-headline);font-weight:600;font-size:.9rem;box-shadow:var(--shadow-button);transition:all .2s 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var(--accent-primary);padding:12px 32px;font-family:var(--font-headline);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-button);border-radius:var(--radius-card)!important}.primary-btn:hover{background-color:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0f172a66;display:flex;justify-content:center;align-items:center;z-index:2000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal-content{background:var(--bg-secondary);padding:32px;border:var(--border-stroke) solid var(--border-color)!important;box-shadow:0 20px 50px -12px #0f172a26!important;max-width:520px;width:90%;color:var(--text-primary);animation:modalSlide .3s cubic-bezier(.16,1,.3,1);border-radius:var(--radius-card)!important}@keyframes modalSlide{0%{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-content h2,.modal-content h3{font-family:var(--font-headline);font-size:1.6rem;font-weight:700;margin-top:0;border-bottom:var(--border-stroke) solid var(--border-color);padding-bottom:12px}.processing-indicator{padding:12px 24px;background-color:var(--accent-light);border:var(--border-stroke) solid var(--accent-primary);font-family:var(--font-mono);font-weight:700;color:var(--accent-primary);text-align:center;border-radius:var(--radius-card)!important;box-shadow:0 4px 12px #7c3aed0d;animation:pulse-indicator 2s infinite ease-in-out}@keyframes pulse-indicator{0%,to{opacity:.8}50%{opacity:1}}.reference-panel{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:var(--bg-card);box-shadow:-4px 0 12px #0000004d;transition:right .3s cubic-bezier(.4,0,.2,1);z-index:2000;display:flex;flex-direction:column;border-left:1px solid var(--border-color);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.reference-panel:before{content:"";position:absolute;inset:0;background:var(--bg);opacity:.98;z-index:-1}.reference-panel.open{right:0}.ref-header{padding:1rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);background:var(--bg-secondary)}.ref-header h3{margin:0;font-size:1.1rem;display:flex;align-items:center;gap:.5rem}.ref-close{background:none;border:none;cursor:pointer;color:var(--text-secondary)}.ref-content{padding:1rem;overflow-y:auto;flex:1}.ref-topic-badge{background:#e0f2fe;color:#0369a1;padding:.5rem;border-radius:6px;font-weight:600;text-align:center;margin-bottom:1.5rem;border:1px solid #bae6fd}.dark-mode .ref-topic-badge{background:#0c4a6e;color:#e0f2fe;border-color:#075985}.ref-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:1rem;margin-bottom:1rem}.ref-label{font-size:.85rem;color:var(--text-secondary);margin-bottom:.25rem;text-transform:uppercase;letter-spacing:.5px}.ref-value{font-size:1.1rem;font-weight:500;color:var(--text-primary)}.ref-tips{margin-top:2rem;border-top:1px solid var(--border-color);padding-top:1rem}.ref-tips h4{margin:0 0 .5rem;font-size:1rem;display:flex;align-items:center;gap:.5rem}.tips-list{margin:0;padding-left:1.25rem;color:var(--text-secondary);line-height:1.6}.mode-selector-page{min-height:100vh;width:100%;display:flex;flex-direction:column;background-color:var(--bg-primary);position:relative;overflow-x:hidden}.mode-header{height:80px;background-color:var(--bg-secondary);border-bottom:var(--border-stroke) solid var(--border-color);box-shadow:0 4px 20px -6px #0f172a08;display:flex;justify-content:space-between;align-items:center;padding:0 var(--spacing-margin-desktop, 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#00000005}.identity-label{font-size:.8rem;font-weight:700;color:var(--text-secondary);background-color:var(--bg-tertiary);height:100%;display:flex;align-items:center;padding:0 12px;border-right:var(--border-stroke) solid var(--border-color);-webkit-user-select:none;user-select:none;border-radius:0!important}.identity-input{border:none;background:transparent;height:100%;padding:0 12px;font-size:.85rem;font-weight:600;width:140px;color:var(--text-primary);outline:none;border-radius:0!important}.identity-input:focus{box-shadow:none!important}.identity-input::placeholder{color:var(--text-tertiary)}.icon-action-btn{width:44px;height:44px;border:var(--border-stroke) solid var(--border-color);background-color:var(--bg-secondary);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);box-shadow:var(--shadow-button);padding:0;border-radius:var(--radius-pill)!important;transition:all .2s 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var(--accent-primary);font-family:var(--font-headline);font-size:.95rem;font-weight:600;padding:12px 28px;box-shadow:0 4px 12px #7c3aed26;cursor:pointer;border-radius:var(--radius-card)!important;transition:all .2s ease}.intro-cta-btn:hover{background-color:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 16px #7c3aed40}.intro-cta-btn:active{transform:translateY(1px)}.bento-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;margin-bottom:64px}.bento-card{background-color:var(--bg-secondary);border:var(--border-stroke) solid var(--border-color);padding:32px;min-height:300px;display:flex;flex-direction:column;justify-content:space-between;cursor:pointer;position:relative;border-radius:var(--radius-card)!important;box-shadow:var(--shadow-card);transition:all .3s 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var(--border-color);padding:16px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;border-radius:var(--radius-card)!important;transition:all .2s ease}.problem-card-item:hover{border-color:var(--accent-primary);background-color:var(--bg-secondary)}.problem-card-item .item-text{font-family:var(--font-mono);font-size:.95rem;font-weight:600}.empty-warning{text-align:center;color:var(--text-tertiary);padding:32px;font-style:italic;font-size:.95rem}.reload-prompt-toast{position:fixed;bottom:20px;right:20px;background-color:var(--bg-secondary);color:var(--text-primary);padding:12px 16px;border-radius:8px;box-shadow:var(--shadow-md);z-index:10000;display:flex;align-items:center;gap:12px;border:1px solid var(--border-color);animation:slideUp .3s ease-out}.reload-prompt-message{font-size:.9rem;font-weight:500}.reload-btn{background-color:var(--accent-primary);color:#fff;border:none;padding:6px 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strong{font-weight:600;margin-right:.5rem}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}body.dark-mode .offline-indicator{background:linear-gradient(135deg,#d97706,#b45309)}body.offline .app-container{padding-top:3.5rem}.resume-session-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:3000;padding:1rem}.resume-session-modal{background:var(--bg-primary);border-radius:16px;padding:2rem;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 8px 32px #0003;position:relative;animation:slideUp .3s ease-out}.resume-close-btn{position:absolute;top:1rem;right:1rem;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;border-radius:8px;transition:all .2s}.resume-close-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.resume-icon-badge{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:#fff}.resume-session-modal h2{margin:0 0 .5rem;text-align:center;color:var(--text-primary);font-size:1.5rem}.resume-subtitle{text-align:center;color:var(--text-secondary);margin:0 0 2rem;font-size:.95rem}.resume-session-info{background:var(--bg-secondary);border-radius:12px;padding:1.5rem;margin-bottom:2rem}.resume-info-item{padding:.5rem 0;color:var(--text-primary);font-size:.95rem}.resume-info-item:not(:last-child){border-bottom:1px solid var(--border-color)}.resume-info-item strong{color:var(--text-secondary);font-weight:500;display:inline-block;min-width:150px}.resume-actions{display:flex;gap:1rem;flex-direction:column}.resume-btn{padding:1rem;border:none;border-radius:12px;font-size:1rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s}.resume-btn.primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;font-weight:600;letter-spacing:.01em}.resume-btn.primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #6366f14d}.resume-btn.secondary{background:transparent;border:2px solid var(--border-color);color:var(--text-primary)}.resume-btn.secondary:hover{background:var(--bg-secondary);border-color:var(--text-secondary)}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}body.dark-mode .resume-session-modal{box-shadow:0 8px 32px #0006}.tutor-overlay{position:fixed;top:0;right:0;bottom:0;width:380px;max-width:90vw;z-index:2000;animation:slideInRight .3s ease-out;box-shadow:-4px 0 30px #00000040}.tutor-modal{background:var(--bg-secondary);width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden}.tutor-header{padding:1rem 1.5rem;background:var(--accent-primary);color:#fff;display:flex;justify-content:space-between;align-items:center}.tutor-header h3{margin:0;font-size:1.2rem}.tutor-header .close-btn{color:#fff;font-size:2rem;padding:0;margin:0;background:none;border:none;cursor:pointer;line-height:1}.messages-area{flex:1;overflow-y:auto;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;background:var(--bg-primary)}.message{display:flex;width:100%}.message.user{justify-content:flex-end}.message.assistant{justify-content:flex-start}.bubble{max-width:85%;padding:.8rem 1rem;border-radius:12px;font-size:.95rem;line-height:1.4;box-shadow:0 2px 4px #0000000d}.message.user .bubble{background:var(--accent-primary);color:#fff;border-bottom-right-radius:2px}.message.assistant .bubble{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color);border-bottom-left-radius:2px}.typing{color:var(--text-tertiary);font-weight:700;letter-spacing:2px}.hint-shortcuts{padding:.75rem 1rem;background:var(--bg-primary);border-top:1px solid var(--border-color);display:flex;justify-content:center}.hint-btn{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;border:none;padding:.6rem 1.2rem;border-radius:20px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:.5rem;font-size:.95rem;transition:all .2s}.hint-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #f59e0b4d}.hint-btn:disabled{opacity:.5;cursor:not-allowed}.input-area{padding:1rem;background:var(--bg-secondary);border-top:1px solid var(--border-color);display:flex;gap:.5rem}.input-area input{flex:1;padding:.75rem;border:2px solid 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16px;line-height:1.6}.tol-idle-icon{width:96px;height:96px;border:var(--border-stroke) solid var(--border-color);background-color:var(--bg-tertiary);color:var(--accent-primary);display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:var(--shadow-button);border-radius:var(--radius-card)!important}.tol-idle-desc{max-width:480px}.tol-start-btn{margin-top:8px;display:inline-flex;align-items:center;gap:8px;background-color:var(--accent-primary);color:#fff!important;border:var(--border-stroke) solid var(--accent-primary);box-shadow:0 4px 12px #7c3aed33;border-radius:var(--radius-card)!important;font-family:var(--font-headline);font-weight:600}.tol-start-btn:hover{background-color:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}.tol-problem-prompt{width:100%;max-width:560px}.tol-problem-input{width:100%;padding:12px 18px;border:var(--border-stroke) solid 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#f43f5e00}}.tol-duration{font-family:var(--font-mono);font-size:1.5rem;font-weight:700;color:var(--text-primary)}.tol-stop-btn{background-color:var(--accent-primary);color:#fff!important;border:var(--border-stroke) solid var(--accent-primary);box-shadow:0 4px 12px #7c3aed33;border-radius:var(--radius-card)!important;font-family:var(--font-headline);font-weight:600}.tol-stop-btn:hover{background-color:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}.tol-results-panel{display:flex;flex-direction:column;align-items:stretch;width:100%;text-align:left}.tol-results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.tol-tab-nav{display:flex;gap:8px}.tol-tab{padding:8px 16px;border:var(--border-stroke) solid 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var(--border-color);padding-bottom:6px}.tol-transcript-text{font-family:var(--font-body);font-size:1rem;line-height:1.6;color:var(--text-secondary);white-space:pre-wrap;min-height:120px;width:100%;border:none;background:transparent;resize:vertical;outline:none;padding:0}.tol-meta-summary{font-family:var(--font-body);font-size:.95rem;color:var(--text-secondary);line-height:1.6}.tol-loading-indicator{padding:20px;background-color:var(--accent-light);border:var(--border-stroke) solid var(--accent-primary);border-radius:var(--radius-card)!important;color:var(--accent-primary);font-family:var(--font-mono);font-weight:700;text-align:center;box-shadow:var(--shadow-card);animation:blink-light 2s infinite ease-in-out}@keyframes blink-light{0%,to{opacity:.7}50%{opacity:1}}.desmos-panel{width:0;min-width:0;display:flex;flex-direction:column;border-left:1px solid var(--border-color);background:var(--bg-secondary);height:100%;overflow:hidden;transition:width .3s cubic-bezier(.4,0,.2,1),min-width .3s cubic-bezier(.4,0,.2,1)}.desmos-panel.open{width:420px;min-width:320px;max-width:50vw}.desmos-header{display:flex;justify-content:space-between;align-items:center;padding:.5rem .75rem;border-bottom:1px solid var(--border-color);background:var(--bg-secondary);flex-shrink:0}.desmos-type-toggle{display:flex;gap:.25rem}.desmos-type-btn{display:inline-flex;align-items:center;gap:.3rem;padding:.3rem .7rem;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);border-radius:6px;font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s}.desmos-type-btn.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.desmos-type-btn:hover:not(.active){background:var(--bg-tertiary, var(--bg-card));color:var(--text-primary)}.desmos-close-btn{background:none;border:none;cursor:pointer;color:var(--text-secondary);padding:.3rem;border-radius:4px;display:flex;align-items:center}.desmos-close-btn:hover{background:var(--bg-tertiary, var(--bg-card));color:var(--text-primary)}.desmos-iframe-container{flex:1;min-height:0;height:100%;display:flex;flex-direction:column}.desmos-iframe{flex:1;min-height:0;width:100%;border:none;background:#fff;display:block}@media(max-width:768px){.desmos-panel{display:none}}@media(max-width:1024px)and (min-width:769px){.desmos-panel.open{width:340px;min-width:280px}}.desmos-content-area{flex:1;position:relative;min-height:0;height:100%}.desmos-status-overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:2rem;text-align:center;background:var(--bg-secondary);color:var(--text-secondary);z-index:5}.desmos-status-overlay.error h3{margin:0;color:var(--error);font-size:1.1rem}.desmos-status-overlay.error p{margin:0;font-size:.85rem;line-height:1.4}