@tailwind base;@tailwind components;@tailwind utilities;body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#111827;color:#fff;overflow:hidden}.app-container{display:flex;height:100vh;width:100vw;overflow:hidden}.left-panel{width:50%;display:flex;flex-direction:column;background-color:#1f2937;border-right:1px solid #374151}.header-bar{padding:1rem;background-color:#111827;border-bottom:1px solid #374151;display:flex;justify-content:space-between;align-items:center}.header-title{font-size:1.25rem;font-weight:700;color:#60a5fa;display:flex;align-items:center;gap:.5rem;margin:0}.toolbar-actions{display:flex;gap:.5rem}.btn{padding:.5rem .75rem;border-radius:6px;font-size:.875rem;border:none;cursor:pointer;display:flex;align-items:center;gap:.25rem;color:#fff;transition:background-color .2s}.btn-blue{background-color:#2563eb}.btn-blue:hover{background-color:#1d4ed8}.btn-green{background-color:#16a34a}.btn-green:hover{background-color:#15803d}.btn-red{background-color:#dc2626}.btn-red:hover{background-color:#b91c1c}.btn-float-stop{position:absolute;top:1rem;right:1rem;background-color:#ef4444;padding:.5rem 1rem;border-radius:9999px;box-shadow:0 4px 6px #0000004d;z-index:50;animation:pulse 2s infinite}.viewer-content{flex:1;background-color:#374151;position:relative;overflow-y:auto}.pdf-frame{width:100%;height:100%;border:none}.upload-container{padding:2rem;display:flex;flex-direction:column;align-items:center;margin-top:2rem}.upload-box{border:2px dashed #6b7280;border-radius:12px;padding:3rem;text-align:center;cursor:pointer;width:100%;max-width:400px;transition:all .2s}.upload-box:hover{border-color:#3b82f6;background-color:#37415180}.upload-icon-wrapper{width:3rem;height:3rem;background-color:#1f2937;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}.history-section{max-width:400px;margin:0 auto;width:100%}.history-title{color:#9ca3af;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}.history-item{background-color:#1f2937;padding:.75rem;border-radius:6px;margin-bottom:.5rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;border:1px solid #374151}.history-item:hover{background-color:#374151}.right-panel{width:50%;display:flex;flex-direction:column;background-color:#111827;position:relative}.chat-messages{flex:1;padding:1.5rem;overflow-y:auto;display:flex;flex-direction:column;gap:1.5rem}.message-row{display:flex;align-items:flex-start}.message-row.user-row{justify-content:flex-end}.avatar-col{margin-right:.75rem;display:flex;flex-direction:column;align-items:center;gap:.25rem}.avatar{width:2rem;height:2rem;border-radius:50%;display:flex;align-items:center;justify-content:center}.bg-blue{background-color:#2563eb}.bg-purple{background-color:#9333ea}.icon-btn{background:none;border:none;color:#6b7280;cursor:pointer;padding:2px}.icon-btn:hover{color:#60a5fa}.message-bubble{padding:1rem;border-radius:12px;max-width:80%;line-height:1.6;white-space:pre-wrap}.bubble-user{background-color:#2563eb;color:#fff}.bubble-ai{background-color:#1f2937;color:#e5e7eb;border:1px solid #374151}.thinking{color:#6b7280;font-size:.875rem;margin-left:3rem;display:flex;align-items:center;gap:.5rem}.input-section{padding:1rem;border-top:1px solid #1f2937;background-color:#111827}.input-wrapper{display:flex;align-items:center;background-color:#1f2937;border-radius:9999px;padding:.75rem 1rem;border:1px solid #374151;box-shadow:0 4px 6px -1px #0000001a}.input-wrapper:focus-within{border-color:#3b82f6}.chat-input{flex:1;background:transparent;border:none;outline:none;color:#fff;margin:0 .5rem;font-size:1rem}.send-btn-round{padding:.5rem;background-color:#2563eb;border-radius:50%;color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center}.send-btn-round:disabled{opacity:.5;cursor:not-allowed}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}@keyframes pulse{50%{opacity:.5}}