:root{--primary: #0f766e;--primary-hover: #0d9488;--bg-main: #f8fafc;--bg-card: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border: #e2e8f0;--danger: #ef4444;--success: #22c55e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Tahoma,sans-serif;background-color:var(--bg-main);color:var(--text-main)}.auth-container{height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f766e,#134e4a)}.login-card{background:#fff;padding:2.5rem;border-radius:1rem;box-shadow:0 10px 25px -5px #0000001a;width:100%;max-width:400px}.login-card h2{margin-bottom:1.5rem;font-size:1.5rem;font-weight:700;color:var(--primary);text-align:center}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;font-size:.875rem;font-weight:500;color:var(--text-muted)}.form-group input,.form-control{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:.5rem;font-size:1rem;transition:all .2s;background-color:#fff}.form-group input:focus,.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #0f766e1a}.btn-primary{width:100%;padding:.75rem;background-color:var(--primary);color:#fff;border:none;border-radius:.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s}.btn-primary:hover{background-color:var(--primary-hover)}.branch-selector{display:grid;gap:1rem}.branch-card{padding:1rem;border:1px solid var(--border);border-radius:.5rem;cursor:pointer;transition:all .2s;text-align:center}.branch-card:hover{border-color:var(--primary);background-color:#0f766e0d}.sidebar{display:none}.main-content{margin-left:0;padding:2rem}.nav-item:hover{background-color:#0f766e0d;color:var(--primary)}.nav-item.active{background-color:#0f766e14;color:var(--primary)}.nav-link{display:flex;align-items:center;padding:.75rem 1rem;border-radius:.5rem;color:var(--text-muted);text-decoration:none;margin-bottom:.5rem;transition:all .2s}.nav-link:hover,.nav-link.active{background-color:#0f766e1a;color:var(--primary)}.nav-link svg{margin-right:.75rem;width:20px;height:20px}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;margin-bottom:2rem}.kpi-card{background:#fff;padding:1.5rem;border-radius:.75rem;border:1px solid var(--border)}.kpi-title{font-size:.875rem;color:var(--text-muted);margin-bottom:.5rem}.kpi-value{font-size:1.5rem;font-weight:700;color:var(--text-main)}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:#fff;padding:2.5rem;border-radius:1rem;width:90%;max-width:500px;box-shadow:0 25px 50px -12px #00000040;animation:modalEnter .2s ease-out}@keyframes modalEnter{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-content h3{margin-bottom:1.5rem;font-size:1.25rem;font-weight:700;color:var(--primary)}.btn-secondary{padding:.75rem 1.5rem;background-color:#fff;color:var(--text-main);border:1px solid var(--border);border-radius:.5rem;font-weight:600;cursor:pointer;transition:all .2s}.btn-secondary:hover{background-color:var(--bg-main);border-color:var(--text-muted)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}.cart-panel{background:#fff;border-radius:1.25rem;border:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 4px 6px -1px #0000000d}.pos-grid{display:grid;grid-template-columns:1fr minmax(400px,45%);gap:1.5rem;height:calc(100vh - 110px)}.pos-search-container{background:#fff;padding:1rem;border-radius:1rem;box-shadow:0 4px 6px -1px #0000000d;display:flex;gap:.75rem;align-items:center;margin-bottom:2rem;border:1px solid var(--border)}.search-input-wrapper{position:relative;flex:1}.search-input-wrapper input{padding-left:2.75rem;height:48px;border:1px solid var(--border);border-radius:.75rem;width:100%;font-size:1rem;background:var(--bg-main);transition:all .2s ease}.search-input-wrapper input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px #0f766e1a;outline:none}.search-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.pos-btn{height:48px;padding:0 1.25rem;border-radius:.75rem;font-weight:600;display:flex;align-items:center;gap:.5rem;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);border:none}.pos-btn-emd{background:#22c55e;color:#fff}.pos-btn-emd:hover{background:#16a34a;transform:translateY(-1px)}.pos-btn-sync{background:#fff;color:var(--text-main);border:1px solid var(--border)}.pos-btn-sync:hover{background:var(--bg-main);border-color:var(--text-muted)}.medicine-card{background:#fff;border:1px solid var(--border);border-radius:1rem;padding:1.25rem;transition:all .25s cubic-bezier(.4,0,.2,1);cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;height:fit-content}.medicine-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:0 12px 20px -8px #0f766e26}.medicine-card.out-of-stock{opacity:.5;cursor:not-allowed;background:var(--bg-main)}.medicine-card.out-of-stock:hover{transform:none;border-color:var(--border);box-shadow:none}.cart-panel{background:#fff;border-radius:1.25rem;border:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 4px 6px -1px #0000000d;height:100%}.cart-panel.emd-mode{background-color:#f0fdf4;border:1px solid #10b981;box-shadow:0 0 0 4px #10b98126}.cart-panel.emd-mode .cart-header{background-color:#dcfce7;border-bottom:1px solid #bbf7d0}.cart-panel.emd-mode .cart-footer{background-color:#dcfce7;border-top:1px solid #bbf7d0}.cart-header{padding:1.5rem;border-bottom:1px solid var(--border);background:var(--bg-main)}.cart-body{flex:1;overflow-y:auto;padding:1.5rem}.cart-footer{padding:1.5rem;border-top:1px solid var(--border);background:#fff}.bill-type-toggle{display:flex;background:var(--bg-main);padding:.35rem;border-radius:.75rem;gap:.25rem;margin-bottom:1.25rem}.toggle-btn{flex:1;height:36px;border:none;border-radius:.5rem;font-size:.875rem;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:.5rem;color:var(--text-muted);background:transparent}.toggle-btn.active{background:#fff;color:var(--primary);box-shadow:0 2px 4px #0000000d}