:root{--bg-primary: #0a1628;--bg-secondary: #0f1d36;--bg-card: #152642;--bg-card-hover: #1a2d4d;--bg-input: #0d1b33;--text-primary: #e8edf5;--text-secondary: #8899bb;--text-muted: #556688;--accent-diagnostic: #d4a017;--accent-trap: #e74c3c;--accent-primary: #4a9eff;--accent-success: #27ae60;--accent-warning: #f39c12;--border-color: #1e3a5f;--border-light: #2a4a7f;--shadow-lg: 0 8px 32px rgba(0, 0, 0, .4);--shadow-card: 0 4px 16px rgba(0, 0, 0, .3);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--font-heading: "Merriweather", Georgia, "Times New Roman", serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}#root{min-height:100vh;display:flex;flex-direction:column}.app-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:16px 32px;display:flex;align-items:center;gap:12px;flex-shrink:0}.app-header h1{font-family:var(--font-heading);font-size:1.4rem;font-weight:700;color:var(--text-primary);letter-spacing:-.3px}.app-header span{font-size:.85rem;color:var(--text-muted);background:var(--bg-card);padding:3px 10px;border-radius:var(--radius-sm);border:1px solid var(--border-color)}.app-layout{display:flex;flex:1;overflow:hidden}.sidebar{width:280px;flex-shrink:0;background:var(--bg-secondary);border-right:1px solid var(--border-color);padding:20px 16px;overflow-y:auto;display:flex;flex-direction:column;gap:4px}.sidebar h2{font-family:var(--font-heading);font-size:.95rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.8px;margin-bottom:12px}.sidebar-empty{color:var(--text-muted);font-size:.85rem;text-align:center;padding:24px 0}.history-entry{padding:12px;border-radius:var(--radius-md);cursor:pointer;transition:background .15s;display:flex;justify-content:space-between;align-items:flex-start;gap:8px;border:1px solid transparent}.history-entry:hover{background:var(--bg-card)}.history-entry.active{background:var(--bg-card);border-color:var(--accent-primary)}.history-entry-main{flex:1;min-width:0}.history-entry-name{font-weight:600;font-size:.9rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-entry-meta{font-size:.75rem;color:var(--text-muted);margin-top:2px}.history-delete-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:var(--radius-sm);font-size:1.1rem;line-height:1;transition:color .15s,background .15s;flex-shrink:0}.history-delete-btn:hover{color:var(--accent-trap);background:#e74c3c1a}.main-content{flex:1;overflow-y:auto;padding:32px;display:flex;flex-direction:column;align-items:center;gap:24px}.input-area{width:100%;max-width:720px;display:flex;flex-direction:column;gap:16px}.topic-input-row{display:flex;gap:12px}.topic-input-field{flex:1;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1rem;font-family:var(--font-body);outline:none;transition:border-color .15s}.topic-input-field:focus{border-color:var(--accent-primary)}.topic-input-field::placeholder{color:var(--text-muted)}.btn{padding:10px 20px;border:none;border-radius:var(--radius-md);font-family:var(--font-body);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;white-space:nowrap}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover:not(:disabled){background:#3b8be6}.btn-outline{background:transparent;color:var(--accent-primary);border:1px solid var(--accent-primary)}.btn-outline:hover:not(:disabled){background:#4a9eff1a}.btn-generate{padding:14px 28px;font-size:1rem}.model-selector{display:flex;flex-wrap:wrap;gap:8px}.model-checkbox{display:flex;align-items:center;gap:6px;padding:6px 14px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;font-size:.82rem;color:var(--text-secondary);transition:border-color .15s,background .15s;-webkit-user-select:none;user-select:none}.model-checkbox:hover{border-color:var(--accent-primary)}.model-checkbox.checked{border-color:var(--accent-primary);background:#4a9eff14;color:var(--text-primary)}.model-checkbox input[type=checkbox]{accent-color:var(--accent-primary);width:14px;height:14px}.progress-tracker{width:100%;max-width:720px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.progress-header{padding:12px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.progress-phase-badge{font-size:.82rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;padding:3px 10px;border-radius:var(--radius-sm)}.progress-phase-badge.generating{color:var(--accent-primary);background:#4a9eff14}.progress-phase-badge.deduplicating{color:var(--accent-warning);background:#f39c1214}.progress-phase-badge.done{color:var(--accent-success);background:#27ae6014}.progress-log{padding:12px 20px;max-height:420px;overflow-y:auto;font-family:SF Mono,Cascadia Code,Fira Code,Consolas,monospace;font-size:.82rem;line-height:1.8}.log-entry{padding:3px 0;display:flex;align-items:baseline;gap:0;white-space:pre-wrap;word-break:break-word}.log-phase{color:var(--text-primary);font-weight:700;font-size:.85rem;margin-top:6px;padding-top:6px;border-top:1px solid var(--border-color)}.log-phase:first-child{margin-top:0;padding-top:0;border-top:none}.log-model-start{color:var(--text-muted);padding-left:4px}.log-model-done{color:var(--accent-success);padding-left:4px}.log-model-fail{color:var(--accent-trap);padding-left:4px}.log-error{color:var(--accent-trap);font-weight:600;margin-top:2px}.log-success{color:var(--accent-success);font-weight:700;margin-top:4px;padding-top:4px;border-top:1px solid rgba(39,174,96,.15)}.log-info{color:var(--accent-warning);font-weight:600;margin-top:2px}.log-spinner{display:inline-block;width:12px;height:12px;border:2px solid var(--border-light);border-top-color:var(--accent-primary);border-radius:50%;animation:log-spin .7s linear infinite;margin-right:8px;flex-shrink:0;position:relative;top:1px}@keyframes log-spin{to{transform:rotate(360deg)}}.spinner{width:18px;height:18px;border:2px solid var(--border-light);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.slideshow-area{width:100%;max-width:900px;display:flex;flex-direction:column;align-items:center;gap:16px}.slideshow-nav{display:flex;align-items:center;gap:20px}.nav-arrow{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.3rem;transition:background .15s,border-color .15s}.nav-arrow:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--accent-primary)}.nav-arrow:disabled{opacity:.3;cursor:not-allowed}.card-counter{font-size:.85rem;color:var(--text-muted);min-width:60px;text-align:center}.scenario-card{width:100%;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card)}.scenario-card-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.yield-summary{font-size:.8rem;color:var(--text-muted);font-style:italic}.anchor-badge{display:inline-block;padding:4px 12px;background:#4a9eff1f;color:var(--accent-primary);border:1px solid rgba(74,158,255,.3);border-radius:20px;font-size:.78rem;font-weight:600;letter-spacing:.3px}.scenario-stem{padding:28px 32px;font-size:1.05rem;line-height:1.75;color:var(--text-primary)}.highlight-diagnostic{color:var(--accent-diagnostic);font-weight:600;border-bottom:1px dashed var(--accent-diagnostic);padding-bottom:1px}.highlight-trap{color:var(--accent-trap);font-weight:600;border-bottom:1px dashed var(--accent-trap);padding-bottom:1px}.scenario-card-footer{padding:0 24px 20px;display:flex;flex-direction:column;gap:12px}.read-answer-btn{padding:12px 24px;background:transparent;border:1px solid var(--border-light);border-radius:var(--radius-md);color:var(--accent-primary);font-family:var(--font-body);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s;align-self:flex-start}.read-answer-btn:hover{background:#4a9eff14;border-color:var(--accent-primary)}.answer-reveal{max-height:0;overflow:hidden;transition:max-height .45s ease,padding .45s ease}.answer-reveal.open{max-height:600px}.answer-reveal-inner{padding:0}.answer-reveal.open .answer-reveal-inner{padding:20px 0 0}.answer-section{margin-bottom:16px}.answer-section:last-child{margin-bottom:0}.answer-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:6px}.answer-text{font-size:.95rem;line-height:1.7;color:var(--text-secondary)}.answer-section.pearl .answer-label{color:var(--accent-success)}.answer-section.trap .answer-label{color:var(--accent-trap)}.supplementary-tabs{width:100%;max-width:900px;margin-top:8px;display:flex;flex-direction:column;gap:8px}.supp-section{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden}.supp-section-header{width:100%;display:flex;align-items:center;gap:10px;padding:12px 16px;background:none;border:none;cursor:pointer;font-family:var(--font-body);font-size:.88rem;color:var(--text-secondary);transition:background .15s}.supp-section-header:hover{background:var(--bg-card-hover)}.supp-section-arrow{font-size:.75rem;color:var(--text-muted);flex-shrink:0;transition:transform .2s;width:12px}.supp-section-title{font-weight:600;color:var(--text-primary)}.supp-section-count{margin-left:auto;font-size:.75rem;color:var(--text-muted);background:var(--bg-secondary);padding:2px 8px;border-radius:10px}.supp-section-body{max-height:0;overflow:hidden;transition:max-height .35s ease}.supp-section-body.open{max-height:800px}.supp-section-body ul{list-style:none;display:flex;flex-direction:column;gap:6px;padding:0 16px 14px}.supp-section-body li{font-size:.87rem;color:var(--text-secondary);padding:10px 14px;background:var(--bg-secondary);border-radius:var(--radius-sm);border-left:3px solid var(--border-light);line-height:1.6}.toast-container{position:fixed;bottom:20px;right:20px;display:flex;flex-direction:column;gap:8px;z-index:1000}.toast{padding:12px 20px;border-radius:var(--radius-md);font-size:.85rem;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;animation:slideIn .3s ease;max-width:380px}.toast.error{background:#3a1212;border:1px solid rgba(231,76,60,.4);color:#f5c6cb}.toast.info{background:#122a3a;border:1px solid rgba(74,158,255,.4);color:#c6e0f5}.toast-close{background:none;border:none;color:inherit;cursor:pointer;opacity:.7;font-size:1rem;padding:0;line-height:1;flex-shrink:0}.toast-close:hover{opacity:1}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.auth-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary)}.auth-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:48px 40px;width:100%;max-width:400px;text-align:center;box-shadow:var(--shadow-lg)}.auth-icon{font-size:2.5rem;margin-bottom:16px}.auth-card h1{font-family:var(--font-heading);font-size:1.4rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.auth-subtitle{font-size:.85rem;color:var(--text-muted);margin-bottom:32px}.auth-input-group{text-align:left;margin-bottom:20px}.auth-input-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px;text-transform:uppercase;letter-spacing:.6px}.auth-input-group input{width:100%;padding:14px 16px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1.5rem;font-family:SF Mono,Consolas,monospace;text-align:center;letter-spacing:12px;outline:none;transition:border-color .15s}.auth-input-group input:focus{border-color:var(--accent-primary)}.auth-input-group input::placeholder{color:var(--text-muted);letter-spacing:4px;font-size:1rem}.auth-error{color:var(--accent-trap);font-size:.82rem;margin-top:10px;text-align:center}.auth-submit{width:100%}.error-state{text-align:center;padding:40px}.error-state p{color:var(--accent-trap);font-size:1rem;margin-bottom:16px}@media(max-width:900px){.app-layout{flex-direction:column}.sidebar{width:100%;flex-shrink:0;border-right:none;border-bottom:1px solid var(--border-color);max-height:200px}.main-content{padding:20px 16px}.topic-input-row{flex-direction:column}}