:root{--primary-color: #6366f1;--primary-dark: #4f46e5;--secondary-color: #8b5cf6;--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-card: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border-color: #475569;--border-radius: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);color:var(--text-primary);min-height:100vh;line-height:1.6}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:2rem}.login-card{background:var(--bg-card);border-radius:var(--border-radius);padding:3rem;max-width:500px;width:100%;box-shadow:var(--shadow-xl);border:1px solid var(--border-color)}.login-card h1{font-size:2rem;margin-bottom:.5rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:var(--text-secondary);margin-bottom:2rem}.wallet-section h2{font-size:1.25rem;margin-bottom:1rem;color:var(--text-primary)}.wallet-list{display:flex;flex-direction:column;gap:1rem}.wallet-button{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--border-radius);color:var(--text-primary);font-size:1rem;cursor:pointer;transition:all .3s ease}.wallet-button:hover{border-color:var(--primary-color);background:var(--primary-color);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.wallet-icon{font-size:2rem}.wallet-name{font-weight:600}.pqc-info{margin-top:2rem;padding:1.5rem;background:#6366f11a;border-radius:var(--border-radius);border:1px solid var(--primary-color)}.pqc-info h3{font-size:1.1rem;margin-bottom:.5rem;color:var(--primary-color)}.pqc-info p{color:var(--text-secondary);font-size:.9rem}.dashboard{min-height:100vh;display:flex;flex-direction:column}.dashboard-header{background:var(--bg-card);padding:1.5rem 2rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-md)}.header-left h1{font-size:1.5rem;margin-bottom:.25rem}.header-left .subtitle{font-size:.875rem;margin:0}.header-right{display:flex;align-items:center;gap:1rem}.profile-badge{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:var(--bg-secondary);border-radius:var(--border-radius)}.wallet-icon{font-size:1.5rem}.profile-info{display:flex;flex-direction:column}.company-name{font-weight:600;font-size:.9rem}.wallet-address{font-size:.75rem;color:var(--text-muted);font-family:monospace}.dashboard-nav{background:var(--bg-secondary);padding:0 2rem;display:flex;gap:.5rem;border-bottom:1px solid var(--border-color)}.nav-item{padding:1rem 1.5rem;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;font-size:.95rem;font-weight:500;border-bottom:3px solid transparent;transition:all .3s ease}.nav-item:hover{color:var(--text-primary);background:#6366f11a}.nav-item.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.dashboard-content{flex:1;padding:2rem;max-width:1200px;width:100%;margin:0 auto}.register-medicine-container{background:var(--bg-card);border-radius:var(--border-radius);padding:2rem;box-shadow:var(--shadow-lg)}.header h1{font-size:1.75rem;margin-bottom:.5rem}.header p{color:var(--text-secondary);margin-bottom:1.5rem}.profile-info{background:var(--bg-secondary);padding:1rem;border-radius:var(--border-radius);margin-bottom:2rem;display:flex;gap:2rem;flex-wrap:wrap}.profile-info p{font-size:.9rem;color:var(--text-secondary)}.profile-info strong{color:var(--text-primary)}.batch-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:var(--text-primary);font-size:.9rem}.form-group input,.form-group textarea{padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-size:1rem;transition:all .3s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #6366f11a}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.pqc-section{background:#6366f11a;padding:1.5rem;border-radius:var(--border-radius);border:1px solid var(--primary-color);margin-top:1rem}.pqc-section h3{font-size:1.1rem;margin-bottom:.5rem;color:var(--primary-color)}.signature-preview{margin-top:1rem;padding:1rem;background:var(--bg-secondary);border-radius:8px}.signature-preview code{font-family:monospace;font-size:.85rem;color:var(--text-secondary);word-break:break-all}.form-actions{display:flex;gap:1rem;margin-top:1rem}.btn{padding:.875rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-primary)}.loading,.success,.error{padding:2rem;text-align:center;border-radius:var(--border-radius)}.loading{background:var(--bg-secondary)}.spinner{width:50px;height:50px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}.success{background:#10b9811a;border:1px solid var(--success-color)}.success h2{color:var(--success-color);margin-bottom:1rem}.error{background:#ef44441a;border:1px solid var(--error-color);color:var(--error-color)}.profile-view{background:var(--bg-card);border-radius:var(--border-radius);padding:2rem}.profile-section{margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--border-color)}.profile-section:last-child{border-bottom:none}.profile-section h3{font-size:1.25rem;margin-bottom:1rem;color:var(--primary-color)}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.info-item{display:flex;flex-direction:column;gap:.5rem}.info-item.full-width{grid-column:1 / -1}.info-item label{font-weight:600;color:var(--text-secondary);font-size:.875rem}.info-item p{color:var(--text-primary)}.monospace{font-family:monospace;font-size:.9rem;word-break:break-all}.pubkey-display{width:100%;min-height:100px;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);font-family:monospace;font-size:.85rem;resize:vertical}.security-info{display:flex;flex-direction:column;gap:.75rem}.security-info p{padding:.75rem;background:var(--bg-secondary);border-radius:8px;font-size:.9rem}@media(max-width:768px){.dashboard-header{flex-direction:column;gap:1rem;align-items:flex-start}.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column}}