:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-surface:#f1f5f9;--bg-input:#fff;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-glow:#2563eb33;--accent-soft:#2563eb14;--green:#059669;--green-glow:#05966933;--red:#dc2626;--red-soft:#dc262614;--orange:#d97706;--purple:#7c3aed;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--border:#e2e8f0;--border-hover:#cbd5e1;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--font:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--tr:.2s cubic-bezier(.4,0,.2,1);--app-height:100vh}@supports (height:100svh){:root{--app-height:100svh}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.kbd{background:var(--bg-surface);border:1px solid var(--border-hover);color:var(--text-muted);pointer-events:none;-webkit-user-select:none;user-select:none;border-radius:4px;flex-shrink:0;align-items:center;padding:1px 5px;font-size:10px;font-weight:700;display:inline-flex}.app{height:var(--app-height);flex-direction:column;display:flex}.top-bar{background:var(--bg-secondary);border-bottom:1px solid var(--border);height:58px;box-shadow:var(--shadow-sm);z-index:10;flex-shrink:0;align-items:center;gap:16px;padding:0 20px;display:flex}.top-bar-left{align-items:center;display:flex}.logo{align-items:center;gap:8px;display:flex}.logo-image{object-fit:contain;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;width:42px;height:32px}.logo-text{letter-spacing:-.5px;background:linear-gradient(135deg, var(--accent), var(--purple));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:19px;font-weight:800}.top-bar-center{flex:1;max-width:600px}.search-container{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-lg);height:42px;transition:all var(--tr);align-items:center;gap:6px;padding:0 8px 0 14px;display:flex;box-shadow:inset 0 1px 3px #00000005}.search-container:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.search-icon{color:var(--text-muted);flex-shrink:0;align-items:center;display:flex}.search-container input{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:14px}.search-container input::placeholder{color:var(--text-muted)}.search-submit{border-radius:var(--radius-sm);background:var(--accent);color:#fff;height:30px;transition:background var(--tr);border:none;flex-shrink:0;justify-content:center;align-items:center;gap:4px;padding:0 10px;font-size:12px;font-weight:800;display:inline-flex}.search-submit:hover{background:var(--accent-hover)}.search-clear{color:var(--text-muted);width:28px;height:28px;transition:color var(--tr);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:flex}.search-clear:hover{color:var(--red)}.top-bar-right{align-items:center;gap:12px;margin-left:auto;display:flex}.header-cart-btn{background:var(--accent);color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:600;display:none;position:relative}.kasa-tag{background:var(--accent-soft);color:var(--accent);white-space:nowrap;border-radius:20px;align-items:center;gap:4px;padding:5px 12px;font-size:12px;font-weight:700;display:inline-flex}.main-content{flex:1;min-height:0;display:flex;overflow:hidden}.stock-panel{border-right:1px solid var(--border);background:var(--bg-primary);flex-direction:column;flex:1;min-width:0;min-height:0;display:flex;overflow:hidden}.panel-header{border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0;align-items:center;gap:8px;padding:13px 20px;display:flex}.panel-icon{color:var(--text-muted);flex-shrink:0}.panel-title{color:var(--text-primary);margin-right:auto;font-size:15px;font-weight:700}.panel-count{color:var(--text-muted);white-space:nowrap;font-size:12px;font-weight:500}.stock-grid{flex:1;min-height:0;overflow-y:auto}.stock-table{border-collapse:separate;border-spacing:0;width:100%;font-size:13px}.stock-table thead{z-index:2;background:var(--bg-secondary);box-shadow:0 1px 0 var(--border);position:sticky;top:0}.stock-table th{height:38px;color:var(--text-muted);text-align:left;text-transform:uppercase;letter-spacing:.4px;padding:0 12px;font-size:11px;font-weight:700}.stock-table td{border-bottom:1px solid var(--border);height:46px;color:var(--text-secondary);vertical-align:middle;padding:6px 12px}.stock-table tbody tr{cursor:pointer;transition:background var(--tr)}.stock-table tbody tr:hover{background:var(--bg-surface)}.stock-table tbody tr:active{background:var(--accent-soft)}.stock-code{color:#345177;width:100px;font-size:12px;font-weight:700}.stock-name{color:var(--text-primary);font-weight:600}.numeric{text-align:right;white-space:nowrap}.stock-price{width:100px;color:var(--green);font-weight:800}.empty-stock{text-align:center;color:var(--text-muted);padding:60px 20px;font-size:14px}.pagination{background:var(--bg-secondary);border-top:1px solid var(--border);flex-shrink:0;grid-template-columns:minmax(160px,1fr) auto minmax(160px,1fr);align-items:center;gap:12px;min-height:59px;padding:12px 16px;display:grid}.pagination-info{color:var(--text-muted);white-space:nowrap;font-size:12px;font-weight:700}.pagination-controls{--pg-size:34px;grid-template-columns:repeat(9, var(--pg-size));grid-column:2;justify-content:center;align-items:center;gap:4px;display:grid}.pg-btn{width:var(--pg-size);height:var(--pg-size);border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-secondary);transition:all var(--tr);justify-content:center;align-items:center;padding:0 6px;font-size:13px;font-weight:600;display:inline-flex}.pg-btn:hover:not(:disabled){background:var(--bg-surface);color:var(--text-primary)}.pg-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.pg-btn:disabled{opacity:.4;cursor:not-allowed}.pg-ellipsis{width:var(--pg-size);height:var(--pg-size);color:var(--text-muted);-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;font-size:14px;display:inline-flex}.pg-placeholder{width:var(--pg-size);height:var(--pg-size);visibility:hidden}.cart-panel{background:var(--bg-secondary);flex-direction:column;flex:0 0 clamp(340px,26vw,460px);width:clamp(340px,26vw,460px);display:flex;box-shadow:-2px 0 10px #0000000a}.cart-header{border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0;align-items:center;gap:10px;padding:13px 18px;display:flex}.cart-title-wrap{color:var(--text-primary);flex:1;align-items:center;gap:7px;display:flex}.cart-title{color:var(--text-primary);font-size:15px;font-weight:700}.btn-clear-cart{color:var(--text-muted);border-radius:var(--radius-sm);transition:all var(--tr);background:0 0;border:none;align-items:center;gap:4px;padding:4px 8px;font-size:12px;display:flex}.btn-clear-cart:hover{background:var(--red-soft);color:var(--red)}.mobile-cart-close{color:var(--accent);border-radius:var(--radius-sm);transition:background var(--tr);background:0 0;border:none;align-items:center;gap:4px;padding:2px 6px;font-size:13px;font-weight:700;display:none}.mobile-cart-close:hover{background:var(--accent-soft)}.cart-items{flex-direction:column;flex:1;gap:8px;min-height:0;padding:14px 16px;display:flex;overflow-y:auto}.cart-empty{color:var(--text-muted);text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:10px;padding:40px 20px;font-size:14px;display:flex}.cart-empty-icon{opacity:.35;color:var(--text-muted)}.cart-item{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:border-color var(--tr);grid-template-columns:minmax(0,1fr) auto 100px 28px;align-items:center;gap:10px;padding:12px 14px;display:grid}.cart-item:hover{border-color:var(--border-hover)}.cart-item-name{color:var(--text-primary);overflow-wrap:anywhere;font-size:13px;font-weight:700;line-height:1.3}.cart-item-code{color:var(--text-muted);margin-top:2px;font-size:11px}.cart-item-qty{align-items:center;gap:6px;display:flex}.cart-item-qty button{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary);width:28px;height:28px;color:var(--text-secondary);transition:all var(--tr);justify-content:center;align-items:center;display:flex}.cart-item-qty button:hover{background:var(--border);color:var(--text-primary)}.cart-item-qty span{text-align:center;min-width:22px;font-size:14px;font-weight:700}.cart-item-price{color:var(--green);text-align:right;font-size:14px;font-weight:800}.btn-remove{color:var(--text-muted);border-radius:var(--radius-sm);transition:all var(--tr);background:0 0;border:none;justify-content:center;align-items:center;padding:4px;line-height:1;display:flex}.btn-remove:hover{color:var(--red);background:var(--red-soft)}.cart-summary{background:var(--bg-surface);border-top:1px solid var(--border);flex-shrink:0;padding:16px 18px}.summary-row{color:var(--text-secondary);justify-content:space-between;padding:5px 0;font-size:13px;font-weight:500;display:flex}.summary-row.total{border-top:2px dashed var(--border);color:var(--text-primary);margin-top:10px;padding-top:12px;font-size:20px;font-weight:800}.summary-row.total span:last-child{color:var(--green)}.payment-buttons{border-top:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0;gap:12px;padding:14px 16px;display:flex}.btn-pay{border-radius:var(--radius-lg);color:#fff;height:48px;transition:all var(--tr);border:none;flex:1;justify-content:center;align-items:center;gap:8px;font-size:14px;font-weight:800;display:flex}.btn-cash{background:var(--green);box-shadow:0 4px 12px var(--green-glow)}.btn-card{background:var(--accent);box-shadow:0 4px 12px var(--accent-glow)}.btn-pay:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-1px)}.mobile-cart-badge{background:var(--red);color:#fff;border:2px solid #fff;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;font-weight:700;display:flex;position:absolute;top:-4px;right:-4px}.loading-spinner{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:60px;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{z-index:9999;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:16px}.toast{border-radius:var(--radius-md);box-shadow:var(--shadow-md);color:#fff;max-width:340px;padding:12px 18px;font-size:13px;font-weight:600;animation:.28s ease-out toastIn}.toast.success{background:var(--green)}.toast.error{background:var(--red)}.toast.info{background:var(--accent)}@keyframes toastIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}.form-group{flex-direction:column;gap:6px;display:flex}.form-group label{color:var(--text-secondary);font-size:12px;font-weight:600}.form-control{border:1px solid var(--border);border-radius:var(--radius-md);width:100%;color:var(--text-primary);background:var(--bg-input);transition:all var(--tr);padding:9px 12px;font-size:14px}.form-control:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.form-control:disabled{background:var(--bg-surface);color:var(--text-muted)}.btn{border-radius:var(--radius-md);transition:all var(--tr);border:none;padding:9px 18px;font-size:13px;font-weight:600}.btn-save{background:var(--accent);color:#fff}.btn-save:hover:not(:disabled){filter:brightness(1.08)}.login-page{background:linear-gradient(135deg,#eef2ff 0%,#f8fafc 50%,#e0f2fe 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex;overflow:auto}.login-card{background:var(--bg-secondary);border-radius:var(--radius-xl);width:100%;max-width:380px;box-shadow:var(--shadow-lg), 0 0 0 1px #2563eb0f;flex-direction:column;gap:18px;padding:36px 32px;animation:.4s cubic-bezier(.16,1,.3,1) modalIn;display:flex}.login-logo{justify-content:center;align-items:center;gap:10px;margin-bottom:4px;display:flex}.login-logo img{object-fit:contain;border:1px solid var(--border);border-radius:var(--radius-sm);width:44px;height:34px}.login-user-icon{background:var(--accent-soft);width:56px;height:56px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;margin:0 auto;display:flex}.login-title{text-align:center;color:var(--text-primary);font-size:20px;font-weight:800}.login-subtitle{text-align:center;color:var(--text-muted);margin-top:-10px;font-size:13px}.login-form{flex-direction:column;gap:14px;display:flex}.login-error{background:var(--red-soft);border-radius:var(--radius-sm);color:var(--red);text-align:center;border:1px solid #dc262633;padding:10px 14px;font-size:13px;font-weight:600}.login-btn{width:100%;margin-top:4px;padding:13px;font-size:15px;font-weight:800}@media (max-width:1080px){.main-content{flex-direction:column;overflow-y:auto}.stock-panel{border-right:none;border-bottom:1px solid var(--border);flex:0 0 52vh;min-height:280px;max-height:55vh}.cart-panel{width:100%;min-height:0;box-shadow:none;flex:none}}@media (max-width:640px){html,body{overflow:hidden}.top-bar{flex-wrap:wrap;gap:8px;height:auto;padding:10px 12px}.top-bar-center{flex:100%;order:3;max-width:100%}.kasa-tag{padding:4px 10px;font-size:11px}.main-content{overflow:hidden}.stock-panel{flex:auto;min-height:0;max-height:none}.cart-panel{width:100%;display:none}.cart-panel.mobile-open{z-index:200;background:var(--bg-secondary);flex-direction:column;display:flex;position:fixed;inset:0;overflow-y:auto}.mobile-cart-close,.header-cart-btn{display:flex}.kbd,.col-barkod,.col-birim,.col-kdv{display:none}.stock-code{width:72px;font-size:11px}.stock-table th,.stock-table td{padding:6px 10px}.stock-table td{height:46px;font-size:14px}.cart-item-qty button{width:34px;height:34px}.btn-pay{height:54px;font-size:15px}.form-control,.search-container input{font-size:16px}.pg-btn{min-width:34px;height:34px;font-size:13px}.pagination{padding:10px 12px calc(10px + env(safe-area-inset-bottom));grid-template-columns:1fr;justify-items:center;gap:8px;min-height:84px}.pagination-info{white-space:normal;text-align:center}.pagination-controls{grid-column:1;gap:3px}.cart-item{grid-template-columns:minmax(0,1fr) auto 88px 26px;gap:8px;padding:10px 12px}.cart-item-price{font-size:13px}.summary-row.total{font-size:18px}}@media (max-width:400px){.cart-item{grid-template-columns:minmax(0,1fr) auto 76px 22px}.login-card{padding:26px 18px}}