:root{--primary: #1a73e8;--primary-dark: #1557b0;--success: #34a853;--warning: #f9ab00;--danger: #ea4335;--text: #202124;--text-secondary: #5f6368;--bg: #ffffff;--bg-secondary: #f8f9fa;--border: #dadce0;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.12)}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;color:var(--text);background:var(--bg-secondary);height:100%;-webkit-text-size-adjust:100%}#app{min-height:100%;display:flex;flex-direction:column}.header{background:var(--primary);color:#fff;padding:12px 16px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.header h1{font-size:18px;font-weight:600;flex:1}.header .back-btn{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:4px 8px;line-height:1}.header .sync-status{font-size:12px;padding:4px 8px;border-radius:12px;background:#fff3}.header .sync-status.online{background:var(--success)}.header .sync-status.offline{background:var(--danger)}.header .sync-status.syncing{background:var(--warning);color:var(--text)}.container{max-width:800px;margin:0 auto;padding:16px;width:100%;flex:1}.card{background:var(--bg);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}.card-title{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--text)}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--text-secondary)}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px;font-size:16px;border:2px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text);transition:border-color .2s}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary)}.form-group textarea{resize:vertical;min-height:60px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;font-size:16px;font-weight:600;border:none;border-radius:var(--radius);cursor:pointer;min-height:48px;min-width:48px;transition:background-color .2s,transform .1s;gap:8px}.btn:active{transform:scale(.97)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-warning{background:var(--warning);color:var(--text)}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-block{width:100%}.btn-sm{padding:8px 16px;font-size:14px;min-height:36px}.btn-group{display:flex;gap:8px;flex-wrap:wrap}.radio-cards{display:flex;flex-direction:column;gap:8px}.radio-card{display:flex;align-items:center;padding:14px 16px;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:border-color .2s,background .2s;gap:12px}.radio-card:hover,.radio-card.selected{border-color:var(--primary);background:#e8f0fe}.radio-card input{display:none}.radio-card .radio-dot{width:20px;height:20px;border:2px solid var(--border);border-radius:50%;flex-shrink:0;position:relative}.radio-card.selected .radio-dot{border-color:var(--primary)}.radio-card.selected .radio-dot:after{content:"";position:absolute;top:3px;left:3px;width:10px;height:10px;border-radius:50%;background:var(--primary)}.radio-card .radio-label{font-size:16px;font-weight:500}.radio-card .radio-desc{font-size:13px;color:var(--text-secondary)}.session-item{display:flex;align-items:center;padding:14px 16px;background:var(--bg);border-radius:var(--radius);margin-bottom:8px;box-shadow:var(--shadow);cursor:pointer;transition:background .2s;gap:12px}.session-item:hover{background:var(--bg-secondary)}.session-item .session-info{flex:1}.session-item .session-name{font-size:16px;font-weight:600}.session-item .session-meta{font-size:13px;color:var(--text-secondary);margin-top:4px}.session-item .session-count{font-size:20px;font-weight:700;color:var(--primary);min-width:48px;text-align:center}.session-item .session-status{padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.session-item .session-status.active{background:#e8f5e9;color:var(--success)}.session-item .session-status.completed{background:#e3f2fd;color:var(--primary)}.scanner-area{background:var(--bg);border-radius:var(--radius);padding:12px;margin-bottom:8px;box-shadow:var(--shadow);text-align:center}.last-scan{background:#e8f5e9;border:2px solid var(--success);border-radius:var(--radius);padding:10px 16px;margin-bottom:8px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px}.last-scan .barcode-display{font-size:22px;font-weight:700;font-family:Courier New,monospace;letter-spacing:1px;flex:1}.last-scan .scan-ok{color:var(--success);font-size:24px}.last-scan.duplicate{border:2px solid var(--warning);background:#fff8e1}.shelf-bar{background:#e8f0fe;border-radius:var(--radius);padding:12px 16px;margin-bottom:12px;display:flex;align-items:center;gap:12px}.shelf-bar label{font-size:14px;font-weight:600;white-space:nowrap}.shelf-bar input{flex:1;padding:10px;font-size:18px;font-weight:600;border:2px solid var(--primary);border-radius:var(--radius);text-align:center}.date-bar{background:#fce4ec;border-radius:var(--radius);padding:12px 16px;margin-bottom:12px;display:flex;align-items:center;gap:12px}.date-bar label{font-size:14px;font-weight:600;white-space:nowrap}.date-bar input{flex:1;padding:10px;font-size:18px;font-weight:600;border:2px solid var(--danger);border-radius:var(--radius);text-align:center}.entry-list{margin-top:8px}.entry-item{display:flex;align-items:center;padding:10px 16px;background:var(--bg);border-bottom:1px solid var(--border);gap:12px;font-size:15px}.entry-item:first-child{border-radius:var(--radius) var(--radius) 0 0}.entry-item:last-child{border-radius:0 0 var(--radius) var(--radius);border-bottom:none}.entry-item:only-child{border-radius:var(--radius)}.entry-item .entry-num{font-size:13px;color:var(--text-secondary);min-width:28px}.entry-item .entry-barcode{font-family:Courier New,monospace;font-weight:600;flex:1;font-size:16px}.entry-item .entry-qty{font-weight:600;color:var(--primary);min-width:36px;text-align:center}.entry-item .entry-shelf{font-size:13px;color:var(--text-secondary);background:#e8f0fe;padding:2px 8px;border-radius:4px}.entry-item .entry-date{font-size:13px;color:var(--text-secondary);background:#fce4ec;padding:2px 8px;border-radius:4px}.entry-item .entry-memo{font-size:12px;color:var(--text-secondary);background:#f3e8ff;padding:2px 6px;border-radius:4px;max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.entry-item .entry-delete{color:var(--danger);background:none;border:none;font-size:18px;cursor:pointer;padding:4px 8px;min-width:36px;min-height:36px}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:var(--bg);border-radius:12px;padding:24px;width:100%;max-width:360px;box-shadow:0 4px 24px #0003}.modal h2{font-size:18px;margin-bottom:16px;text-align:center}.modal .modal-barcode{font-family:Courier New,monospace;font-size:22px;font-weight:700;text-align:center;margin-bottom:16px;color:var(--primary)}.modal input{width:100%;padding:14px;font-size:24px;text-align:center;border:2px solid var(--border);border-radius:var(--radius);margin-bottom:16px}.modal input:focus{outline:none;border-color:var(--primary)}.modal .modal-actions{display:flex;gap:8px}.modal .modal-actions .btn{flex:1}.duplicate-info{background:#fff8e1;border:2px solid var(--warning);border-radius:var(--radius);padding:12px;margin-bottom:16px;font-size:14px;text-align:center}.duplicate-info strong{display:block;font-size:16px;color:var(--warning);margin-bottom:4px}.toast-container{position:fixed;top:60px;left:50%;transform:translate(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{padding:12px 24px;border-radius:var(--radius);font-size:15px;font-weight:500;color:#fff;animation:toast-in .3s ease,toast-out .3s ease 2.7s forwards;pointer-events:auto;text-align:center;box-shadow:0 4px 12px #00000026}.toast.success{background:var(--success)}.toast.warning{background:var(--warning);color:var(--text)}.toast.error{background:var(--danger)}.toast.info{background:var(--primary)}@keyframes toast-in{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-out{0%{opacity:1}to{opacity:0}}.flash-green{animation:flash-green .5s ease}.flash-orange{animation:flash-orange .5s ease}@keyframes flash-green{0%,to{background-color:var(--bg)}50%{background-color:#c8e6c9}}@keyframes flash-orange{0%,to{background-color:var(--bg)}50%{background-color:#ffe0b2}}#camera-wrapper{position:relative}#camera-reader{width:100%;max-width:400px;margin:0 auto;max-height:35vh;overflow:hidden}#camera-reader video{border-radius:var(--radius);max-height:35vh;object-fit:cover}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{background:var(--bg-secondary);padding:10px 12px;text-align:left;font-weight:600;border-bottom:2px solid var(--border);position:sticky;top:0}.data-table td{padding:8px 12px;border-bottom:1px solid var(--border)}.data-table td input{width:100%;padding:6px 8px;font-size:14px;border:1px solid transparent;border-radius:4px;font-family:Courier New,monospace}.data-table td input:focus{border-color:var(--primary);outline:none}.data-table tr:hover{background:var(--bg-secondary)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-state .empty-icon{font-size:48px;margin-bottom:12px}.empty-state p{font-size:16px}@media(min-width:768px){.container{max-width:1200px}.login-card{max-width:480px;margin:40px auto 0}.header h1{font-size:20px}.desktop-layout{display:grid;grid-template-columns:280px 1fr;gap:16px;min-height:calc(100vh - 56px)}.desktop-sidebar,.desktop-main{background:var(--bg);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);overflow-y:auto;max-height:calc(100vh - 88px)}.desktop-actions{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.session-item{padding:16px 20px}.session-item .session-name,.entry-item .entry-barcode{font-size:17px}.admin-table th,.admin-table td{padding:14px 20px}}.scanner-hidden-input{position:absolute;left:-9999px;opacity:0}.summary-bar{display:flex;justify-content:space-between;align-items:center;padding:6px 16px;background:var(--bg);border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);font-size:14px}.summary-bar .count{font-weight:700;font-size:18px;color:var(--primary)}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}.admin-table th{background:var(--bg-secondary);font-weight:600}.admin-table td .btn{min-height:36px;padding:6px 12px;font-size:14px}.camera-controls{display:flex;justify-content:center;gap:12px;padding:12px 0 4px}.zoom-btn{width:40px;height:40px;border-radius:50%;border:none;background:#ffffffe6;color:var(--text);font-size:13px;font-weight:600;cursor:pointer;box-shadow:0 1px 4px #0003;transition:background .2s,transform .1s}.zoom-btn:active{transform:scale(.9)}.zoom-btn.active{background:#f9d71c;color:#000}.focus-indicator{position:absolute;width:60px;height:60px;border:2px solid #fff;border-radius:4px;pointer-events:none;z-index:10}.focus-indicator.focus-animate{animation:focus-anim .8s ease forwards}@keyframes focus-anim{0%{transform:scale(1.5);opacity:1;border-color:#fff}50%{transform:scale(1);opacity:1;border-color:var(--success)}to{transform:scale(.9);opacity:0;border-color:var(--success)}}.scan-success-flash{animation:success-flash .4s ease}@keyframes success-flash{0%,to{box-shadow:var(--shadow)}50%{box-shadow:inset 0 0 0 3px var(--success),var(--shadow)}}.spark-trigger{position:fixed;bottom:80px;right:16px;z-index:60;display:flex;align-items:center;gap:8px;padding:14px 20px;background:#000000bf;color:#fff;border:none;border-radius:28px;font-size:16px;font-weight:600;cursor:grab;box-shadow:0 4px 16px #0000004d;will-change:transform;transition:all .3s ease;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);user-select:none;-webkit-user-select:none;touch-action:none}.spark-trigger:active{transform:scale(.95);background:#000000e6}.spark-trigger.scanning{background:#dc3545d9}.spark-trigger .spark-icon{font-size:20px;line-height:1}.spark-preview{position:relative;width:100%;height:200px;border-radius:16px;overflow:hidden;box-shadow:0 4px 16px #0003;background:#000;margin-bottom:8px}.spark-preview.visible{opacity:1}.spark-preview.scan-ok{box-shadow:0 0 0 4px var(--success),0 8px 32px #0000004d}.spark-preview #spark-camera-reader{width:100%;height:100%}.spark-preview #spark-camera-reader video{width:100%;height:100%;object-fit:cover;border-radius:16px}.spark-preview .camera-controls{position:absolute;bottom:8px;left:0;right:0;display:flex;justify-content:center;gap:8px;padding:4px 0;z-index:2}.spark-scan-toast{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#34a853d9;color:#fff;font-size:20px;font-weight:700;font-family:Courier New,monospace;letter-spacing:1px;z-index:3;border-radius:16px;animation:toast-flash 1.2s ease forwards}@keyframes toast-flash{0%{opacity:1}70%{opacity:1}to{opacity:0}}.spark-paused-overlay{position:absolute;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;color:#fffc;font-size:14px;z-index:4;border-radius:16px;pointer-events:none}.spark-hold-hint{position:fixed;bottom:130px;right:16px;z-index:59;font-size:11px;color:#ffffffb3;background:#00000080;padding:4px 10px;border-radius:10px;pointer-events:none;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}