.document-qa-container{color:#1e293b;background:linear-gradient(135deg,#f0f9ff 0%,#e0f7fa 50%,#e3f2fd 100%);min-height:100vh;padding:2rem;font-family:Segoe UI,system-ui,-apple-system,sans-serif}.document-content{max-width:1400px;margin:0 auto}.document-header{text-align:center;margin-bottom:3rem;padding:0 1rem}.document-title{background:linear-gradient(135deg,#0d9488 0%,#0891b2 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:1rem;font-size:3rem;font-weight:800;line-height:1.2}.document-subtitle{color:#64748b;max-width:800px;margin:0 auto;font-size:1.25rem;line-height:1.6}.document-grid{grid-template-columns:1fr;gap:2rem;display:grid}@media (min-width:1024px){.document-grid{grid-template-columns:1fr 1fr}}.input-column{flex-direction:column;gap:2rem;display:flex}.input-section{background:#fffffff2;border:1px solid #06b6d433;border-radius:24px;padding:2rem;transition:all .3s;box-shadow:0 15px 40px #06b6d41a}.input-section:hover{transform:translateY(-5px);box-shadow:0 20px 50px #06b6d426}.section-label{color:#0f766e;align-items:center;gap:.5rem;margin-bottom:1rem;font-size:1.25rem;font-weight:700;display:flex}.section-label:before{content:"";background:linear-gradient(135deg,#22c55e 0%,#06b6d4 100%);border-radius:50%;flex-shrink:0;width:8px;height:8px}.document-textarea,.question-textarea{resize:none;color:#1e293b;background:#fff;border:2px solid #06b6d433;border-radius:16px;width:100%;padding:1.25rem;font-family:inherit;font-size:1rem;line-height:1.6;transition:all .3s}.document-textarea{min-height:300px}.question-textarea{min-height:120px}.document-textarea:focus,.question-textarea:focus{border-color:#22c55e;outline:none;box-shadow:0 0 0 4px #22c55e1a}.document-textarea::placeholder,.question-textarea::placeholder{color:#94a3b8;font-style:italic}.char-counter{color:#64748b;text-align:right;margin-top:.75rem;font-size:.875rem;font-weight:500}.action-buttons{flex-wrap:wrap;gap:1rem;margin-top:2rem;display:flex}.action-button{cursor:pointer;border:none;border-radius:16px;flex:1;justify-content:center;align-items:center;gap:.75rem;min-width:160px;padding:1rem 2rem;font-size:1rem;font-weight:600;transition:all .3s;display:flex}.primary-button{color:#fff;background:linear-gradient(135deg,#22c55e 0%,#0d9488 100%);box-shadow:0 4px 20px #22c55e4d}.primary-button:hover:not(:disabled){background:linear-gradient(135deg,#16a34a 0%,#0d9488 100%);transform:translateY(-3px);box-shadow:0 8px 30px #22c55e66}.secondary-button{color:#fff;background:linear-gradient(135deg,#06b6d4 0%,#0891b2 100%);box-shadow:0 4px 20px #06b6d44d}.secondary-button:hover{background:linear-gradient(135deg,#0891b2 0%,#0e7490 100%);transform:translateY(-3px);box-shadow:0 8px 30px #06b6d466}.danger-button{color:#fff;background:linear-gradient(135deg,#f87171 0%,#ef4444 100%);box-shadow:0 4px 20px #ef444433}.danger-button:hover{background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);transform:translateY(-3px);box-shadow:0 8px 30px #ef44444d}.action-button:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.error-message{background:linear-gradient(135deg,#fee2e2 0%,#fecaca 100%);border:1px solid #fca5a5;border-left:4px solid #ef4444;border-radius:16px;align-items:center;gap:1rem;margin-top:1.5rem;padding:1.25rem;animation:.3s slideIn;display:flex}.error-icon{color:#dc2626;flex-shrink:0;width:24px;height:24px}.answer-column{flex-direction:column;gap:2rem;display:flex}.answer-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.copy-button{color:#0d9488;cursor:pointer;background:linear-gradient(135deg,#cffafe 0%,#d1fae5 100%);border:1px solid #a5f3fc;border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.25rem;font-size:.875rem;font-weight:600;text-decoration:none;transition:all .3s;display:flex}.copy-button:hover{background:linear-gradient(135deg,#a5f3fc 0%,#a7f3d0 100%);transform:translateY(-2px);box-shadow:0 4px 15px #06b6d433}.answer-container{background:#fffffff2;border:1px solid #06b6d433;border-radius:24px;flex-direction:column;justify-content:center;min-height:300px;padding:2rem;display:flex;box-shadow:0 15px 40px #06b6d41a}.answer-text{color:#1e293b;white-space:pre-wrap;font-family:Georgia,serif;font-size:1.05rem;line-height:1.7}.empty-answer{text-align:center;color:#64748b;padding:3rem 1rem}.empty-icon{opacity:.5;margin-bottom:1.5rem;font-size:3rem;animation:3s ease-in-out infinite float}.tips-section{background:linear-gradient(135deg,#22c55e0d,#06b6d40d);border:1px solid #06b6d426;border-radius:20px;padding:1.5rem}.tips-title{color:#0f766e;margin-bottom:1rem;font-size:1.1rem;font-weight:700}.tips-list{margin:0;padding:0;list-style:none}.tips-list li{color:#475569;align-items:flex-start;gap:.75rem;margin-bottom:.75rem;font-size:.95rem;line-height:1.5;display:flex}.tips-list li:before{content:"✓";color:#22c55e;flex-shrink:0;margin-top:1px;font-size:1.1rem;font-weight:700}.tips-list li:last-child{margin-bottom:0}.document-footer{text-align:center;color:#64748b;background:#fffc;border-top:2px solid #06b6d433;border-radius:16px;margin-top:4rem;padding:1.5rem;font-size:.9rem}@media (max-width:768px){.document-qa-container{padding:1rem}.document-title{font-size:2rem}.document-subtitle{font-size:1rem}.input-section,.answer-container,.tips-section{padding:1.5rem}.action-buttons{flex-direction:column}.action-button{width:100%}}