@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--bg-color: #f9fafb;--surface-color: #ffffff;--text-main: #111827;--text-muted: #6b7280;--border-color: #e5e7eb;--border-radius: 12px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.6}#app{max-width:1000px;margin:0 auto;padding:2rem}.app-header{text-align:center;margin-bottom:3rem;animation:fadeInDown .8s ease-out}.app-header h1{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),#8b5cf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}.app-header p{color:var(--text-muted);font-size:1.1rem}.wizard-container{background:var(--surface-color);border-radius:var(--border-radius);padding:2.5rem;box-shadow:var(--shadow-lg);animation:slideUp .6s ease-out}.stepper{display:flex;justify-content:space-between;margin-bottom:2.5rem;border-bottom:2px solid var(--border-color);padding-bottom:1.5rem}.step{flex:1;text-align:center;color:var(--text-muted);font-weight:600;font-size:.95rem;transition:color .3s;position:relative;cursor:pointer}.step:hover{color:var(--primary-hover)}.step.active{color:var(--primary-color)}.step.active:after{content:"";position:absolute;bottom:-1.6rem;left:50%;transform:translate(-50%);width:60%;height:4px;background-color:var(--primary-color);border-radius:2px;transition:width .3s ease}.fade-in{animation:fadeIn .4s ease-out}h2{font-size:1.8rem;margin-bottom:1.5rem;color:var(--text-main)}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-main)}input[type=text],textarea{width:100%;padding:.75rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;font-family:Inter,sans-serif;transition:border-color .2s,box-shadow .2s;background-color:var(--bg-color)}input[type=text]:focus,textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e533;background-color:var(--surface-color)}.button-group{display:flex;justify-content:space-between;margin-top:2rem}button{cursor:pointer;font-family:Inter,sans-serif;font-weight:600;font-size:1rem;padding:.75rem 1.5rem;border-radius:8px;border:none;transition:all .2s}button:disabled{opacity:.6;cursor:not-allowed}.primary-btn{background-color:var(--primary-color);color:#fff;box-shadow:var(--shadow-md)}.primary-btn:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.secondary-btn{background-color:#fff;color:var(--text-main);border:1px solid var(--border-color)}.secondary-btn:hover:not(:disabled){background-color:var(--bg-color)}.primary-btn-sm{background-color:var(--primary-color);color:#fff;padding:.5rem 1rem;font-size:.85rem;border-radius:6px;border:none;cursor:pointer}.primary-btn-sm:hover{background-color:var(--primary-hover)}.secondary-btn-sm{background-color:#fff;color:var(--text-main);border:1px solid var(--border-color);padding:.5rem 1rem;font-size:.85rem;border-radius:6px;cursor:pointer}.secondary-btn-sm:hover{background-color:var(--bg-color)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.article-card{border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;margin-bottom:1rem;background:#fff;transition:transform .2s,box-shadow .2s}.article-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#c7d2fe}.article-title{font-size:1.25rem;color:var(--primary-color);margin-bottom:.5rem;font-weight:600}.article-authors{color:var(--text-muted);font-size:.9rem;margin-bottom:1rem}.article-abstract{font-size:.95rem;line-height:1.6;margin-bottom:1rem;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.selected-info{margin-bottom:1.5rem;padding:1rem;background:var(--bg-color);border-radius:var(--border-radius);border:1px solid var(--border-color)}.selected-info h3{font-size:1.1rem;color:var(--primary-color);margin-bottom:.5rem}.loading-text{color:var(--primary-color);font-weight:500;display:flex;align-items:center;gap:10px}.search-strategy-builder h3{margin-bottom:1rem;color:var(--text-main)}.chat-container{display:flex;flex-direction:column;gap:1rem;max-height:400px;overflow-y:auto;padding:1rem;background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;margin-bottom:1rem}.chat-message{padding:.8rem 1rem;border-radius:8px;max-width:80%;line-height:1.5}.chat-message.model{background-color:#fff;align-self:flex-start;border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.chat-message.user{background-color:var(--primary-color);color:#fff;align-self:flex-end;box-shadow:var(--shadow-sm)}.chat-input-area{display:flex;gap:10px}.chat-input-area input{flex:1}.warning-alert{background-color:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:1rem;border-radius:8px;margin-bottom:1rem;font-size:.95rem}