:root{--primary:#2563eb;--secondary:#f8fafc;--accent:#06b6d4;--text:#1e293b;--text-light:#64748b;--card-bg:#fff;--border:#e2e8f0;--shadow:rgba(0,0,0,.1);--gradient:linear-gradient(135deg,#667eea,#764ba2)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--secondary);color:var(--text);font-family:Inter,sans-serif;line-height:1.6}a{color:var(--text-light);text-decoration:none}.cursor-pointer{cursor:pointer}.header{background:var(--card-bg);box-shadow:0 2px 10px var(--shadow);position:sticky;top:0;z-index:100}.nav-container{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1400px;padding:0 2rem}.logo{color:var(--primary);font-size:1.5rem;font-weight:700;text-decoration:none}.nav-tabs{display:flex;gap:2rem;list-style:none}.nav-tabs div{border-radius:8px;color:var(--text);cursor:pointer;font-weight:500;padding:.5rem 1rem;text-decoration:none;transition:all .3s ease}.nav-tabs a:hover{background-color:var(--secondary);color:var(--primary)}.main-container{display:flex;gap:2rem;margin:2rem auto;max-width:1520px;min-height:100vh;padding:0 2rem}.sidebar{background:var(--card-bg);border-radius:12px;box-shadow:0 4px 15px var(--shadow);height:-moz-fit-content;height:fit-content;padding:2rem;position:sticky;top:120px;width:300px}.sidebar-section{margin-bottom:2rem}.sidebar-title{align-items:center;color:var(--primary);display:flex;font-size:1.1rem;font-weight:600;gap:.5rem;margin-bottom:1rem}.content-area{flex:1;padding:2rem 0}.search-container{background:var(--card-bg);border-radius:16px;box-shadow:0 4px 15px var(--shadow);margin-bottom:2rem;padding:2rem}.search-bar{display:flex;gap:1rem}.search-input{border:2px solid var(--border);border-radius:12px;flex:1;font-size:1rem;outline:none;padding:1rem 1.5rem;transition:all .3s ease}.search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.compare-btn,.search-btn{border:none;border-radius:12px;cursor:pointer;font-size:1rem;font-weight:600;padding:1rem 2rem;transition:all .3s ease}.search-btn{background:var(--primary);color:#fff}.search-btn:hover{background:#1d4ed8}.compare-btn{background:var(--accent);color:#fff}.compare-btn:hover{background:#0891b2}.section-title{color:var(--primary);font-size:1.6rem;font-weight:700;margin-bottom:1.5rem;text-align:left}.drugs-grid{display:grid;gap:2rem;grid-template-columns:repeat(3,1fr);margin-bottom:2rem}@media(max-width:1024px){.drugs-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.drugs-grid{grid-template-columns:1fr}}.drug-image{border-radius:12px;height:200px;margin-bottom:1rem;-o-object-fit:cover;object-fit:cover;width:100%}.tag{background:var(--secondary);border-radius:20px;color:var(--primary);font-size:.8rem;font-weight:500;padding:.25rem .75rem}.drug-card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;box-shadow:0 4px 15px var(--shadow);display:flex;flex-direction:column;justify-content:space-between;padding:1.5rem;transition:all .3s ease}.drug-card:hover{box-shadow:0 8px 25px #00000026;transform:translateY(-5px)}.drug-card>div:first-child{display:flex;flex-direction:column;height:100%}.drug-name{color:var(--text);font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.drug-info{display:flex;flex-direction:column;height:100%;justify-content:space-between}.drug-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.tag-hover:hover{background:var(--primary)!important;color:#fff!important;cursor:pointer;transition:all .3s}.drug-description,.drug-manufacturer{color:var(--text-light);display:-webkit-box;line-height:1.6;margin-bottom:1.5rem;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.drug-manufacturer{color:#333;font-size:1rem;margin-bottom:.5rem}.drug-actions{display:flex;gap:1rem}.action-btn{background:transparent;border:2px solid var(--primary);border-radius:12px;color:var(--primary);flex:1;font-weight:600;padding:.75rem;text-align:center;text-decoration:none;transition:all .3s ease}.action-btn:hover{background:var(--primary);color:#fff}.expand-btn{background:var(--gradient);border:none;border-radius:12px;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;margin-bottom:2rem;padding:1rem;transition:all .3s ease;width:100%}.expand-btn:hover{box-shadow:0 8px 25px #667eea66;transform:translateY(-2px)}.modal{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;display:block;height:100%;left:0;position:fixed;top:0;width:100%;z-index:2000}.modal-content{background:var(--card-bg);border-radius:20px;box-shadow:0 10px 30px var(--shadow);margin:5% auto;max-width:800px;padding:2rem;position:relative;width:90%}.close-btn{color:var(--text-light);cursor:pointer;font-size:2rem;position:absolute;right:1.5rem;top:1rem}.close-btn:hover,.modal-title{color:var(--primary)}.modal-title{font-size:1.8rem;font-weight:700;margin-bottom:1rem;text-align:center}.modal-subtitle{color:var(--text-light);margin-bottom:2rem;text-align:center}.modal-grid{display:grid;gap:2rem;grid-template-columns:1fr 1fr}.user-card{background:var(--secondary);border-radius:16px;padding:2rem;text-align:center;transition:all .3s ease}.user-card:hover{box-shadow:0 8px 25px var(--shadow);transform:translateY(-5px)}.user-icon{color:var(--primary);font-size:3rem;margin-bottom:1rem}.user-title{font-size:1.2rem;font-weight:600;margin-bottom:1rem}.qr-code{border-radius:8px;display:block;height:120px;margin:1rem auto;-o-object-fit:cover;object-fit:cover;width:120px}.open-btn{background:var(--gradient);border:none;border-radius:12px;color:#fff;cursor:pointer;font-weight:600;margin-top:1rem;padding:.75rem 2rem;width:100%}@media(max-width:1024px){.main-container{flex-direction:column}.sidebar{position:static;width:100%}.drugs-grid{grid-template-columns:1fr}}@media(max-width:768px){.nav-container{gap:1rem;justify-content:center}.nav-tabs{flex-wrap:wrap;justify-content:center}.search-bar{flex-direction:column}.modal-content{margin:10% auto;width:95%}.modal-grid{grid-template-columns:1fr}}.fade-in{animation:fadeIn .5s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.pulse-btn{animation:pulse 2s infinite}@keyframes pulse{0%{box-shadow:0 0 #2563ebb3}70%{box-shadow:0 0 0 10px #2563eb00}to{box-shadow:0 0 #2563eb00}}.breadcrumb{color:#64748b;font-size:14px;margin-bottom:24px}.breadcrumb a,.breadcrumb div{color:#555;display:inline;padding-right:2rpx;text-decoration:none}.breadcrumb span{color:#555;font-weight:500}.breadcrumb .cursor-pointer:hover{color:#3b82f6;cursor:pointer}body{background:#f8fafc;font-family:Inter,sans-serif;margin:0}*,:after,:before{box-sizing:border-box}