:root{--color-primary:#6366f1;--color-primary-hover:#4f46e5;--color-primary-active:#4338ca;--color-success:#14b8a6;--color-info:#3b82f6;--color-warning:#f59e0b;--color-danger:#ef4444;--color-warning-bg:#fef3c7;--color-warning-text:#92400e;--color-warning-border:#fde68a;--color-text-strong:#1f2937;--color-text:#374151;--color-text-subtle:#6b7280;--color-border:#e5e7eb;--color-bg:#f8fafc;--color-surface:#fff;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;--header-height:64px}*{box-sizing:border-box;padding:0}*,body{margin:0}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f8fafc;background-color:var(--color-bg);color:#374151;color:var(--color-text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:14px;line-height:1.5}h1,h2,h3,h4,h5,h6{color:#1f2937;color:var(--color-text-strong);font-weight:600;line-height:1.2;margin-bottom:8px;margin-bottom:var(--spacing-sm)}h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{color:#374151;color:var(--color-text);margin-bottom:16px;margin-bottom:var(--spacing-md)}.text-subtle,small{color:#6b7280;color:var(--color-text-subtle);font-size:.875rem}.card{background:#fff;background:var(--color-surface);border:1px solid #e5e7eb;border:1px solid var(--color-border);border-radius:12px;border-radius:var(--radius-lg);box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm);padding:24px;padding:var(--spacing-lg);transition:box-shadow .2s ease}.card:hover{box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f;box-shadow:var(--shadow-md)}button{align-items:center;border-radius:8px;border-radius:var(--radius-md);cursor:pointer;display:inline-flex;font-family:inherit;font-size:.875rem;font-weight:500;gap:4px;gap:var(--spacing-xs);justify-content:center;transition:all .2s ease;white-space:nowrap}.btn-primary{background-color:#6366f1;background-color:var(--color-primary);border:1px solid #0000;box-shadow:0 1px 2px 0 #0000000d;box-shadow:var(--shadow-sm);color:#fff;padding:8px 16px}.btn-primary:hover:not(:disabled){background-color:#4f46e5;background-color:var(--color-primary-hover);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px 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solid #e5e7eb;border:1px solid var(--color-border);border-radius:8px;border-radius:var(--radius-md);color:#374151;color:var(--color-text);font-size:.875rem;padding:8px 12px;transition:border-color .2s,box-shadow .2s;width:100%}input:focus,select:focus{border-color:#6366f1;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a;outline:none}input[type=range]{accent-color:#6366f1;accent-color:var(--color-primary);cursor:pointer}select{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-position:right .75rem center;background-repeat:no-repeat;background-size:1em;padding-right:2.5rem}.w-full{width:100%}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.4}}.status-dot-solving{animation:pulse-dot 1.5s ease-in-out infinite}@keyframes chatDotBounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-5px)}}.app-root{height:100vh}.app-main,.app-root{display:flex;overflow:hidden}.app-main{flex:1 1;flex-direction:column;min-width:0;transition:width .3s ease}.app-chat-spacer{flex-shrink:0;transition:width .3s ease;width:360px}@media (max-width:900px){.app-chat-spacer{display:none}}.chat-textarea:focus{border-color:#6366f1;border-color:var(--color-primary);box-shadow:0 0 0 3px #6366f11a}.chat-toggle-btn:hover{background-color:#4f46e5!important;background-color:var(--color-primary-hover)!important;box-shadow:0 6px 20px #6366f18c!important;transform:translateY(-2px)!important}.scenario-card-solved{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.scenario-card-solved:hover{background-color:#f8fafc;box-shadow:0 4px 12px #00000014;transform:translateY(-1px)}@keyframes statusPulse{0%,to{opacity:1}50%{opacity:.4}}.status-dot-solving{animation:statusPulse 1.2s ease-in-out infinite}
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