.bt-root,.bt-login-wrap{--bt-brand: #16a34a;--bt-brand-strong: #15803d;--bt-brand-soft: #dcfce7;--bt-brand-contrast:#ffffff;--bt-bg: #f0fdf4;--bt-bg-grad: radial-gradient(1200px 600px at 50% -10%, #dcfce7 0%, #f0fdf4 45%, #f7fee7 100%);--bt-surface: #ffffff;--bt-surface-2: #f6faf7;--bt-elevated: #ffffff;--bt-text: #0f2417;--bt-text-2: #4b6858;--bt-text-3: #7c968a;--bt-border: #d5e8dc;--bt-border-2: #c2ddcc;--bt-accent: #16a34a;--bt-danger: #dc2626;--bt-danger-soft:#fee2e2;--bt-warn: #d97706;--bt-shadow: 0 1px 2px rgba(16,64,40,.04), 0 8px 24px rgba(16,64,40,.06);--bt-shadow-lg: 0 12px 40px rgba(16,64,40,.14);--bt-radius: 16px;--bt-radius-sm: 10px;--st-received-bg: #dbeafe;--st-received-fg: #1d4ed8;--st-diagnosing-bg: #fef3c7;--st-diagnosing-fg: #b45309;--st-in_repair-bg: #ffe4e6;--st-in_repair-fg: #be123c;--st-charging-bg: #d1fae5;--st-charging-fg: #047857;--st-ready-bg: #bbf7d0;--st-ready-fg: #15803d;--st-delivered-bg: #e2e8f0;--st-delivered-fg: #475569}[data-bt-theme=dark].bt-root,[data-bt-theme=dark].bt-login-wrap{--bt-brand: #22c55e;--bt-brand-strong: #16a34a;--bt-brand-soft: #14331f;--bt-brand-contrast:#04140b;--bt-bg: #0b1410;--bt-bg-grad: radial-gradient(1200px 600px at 50% -10%, #10241a 0%, #0b1410 55%);--bt-surface: #121e18;--bt-surface-2: #0e1813;--bt-elevated: #16241c;--bt-text: #e6f4ec;--bt-text-2: #9db8ab;--bt-text-3: #6d8a7c;--bt-border: #1f3128;--bt-border-2: #294539;--bt-accent: #22c55e;--bt-danger: #f87171;--bt-danger-soft:#2d1515;--bt-warn: #fbbf24;--bt-shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.35);--bt-shadow-lg: 0 12px 40px rgba(0,0,0,.5);--st-received-bg: #16304f;--st-received-fg: #7dabf5;--st-diagnosing-bg: #3b2f00;--st-diagnosing-fg: #fbbf24;--st-in_repair-bg: #3a1a1f;--st-in_repair-fg: #fb7185;--st-charging-bg: #0f3527;--st-charging-fg: #4ade80;--st-ready-bg: #10402c;--st-ready-fg: #4ade80;--st-delivered-bg: #1e293b;--st-delivered-fg: 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h1{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--bt-text);margin:0}.bt-header-sub{font-size:11px;color:var(--bt-text-3);margin:2px 0 0;font-weight:500}.bt-header-actions{display:flex;align-items:center;gap:8px}.bt-ws-switcher{background:var(--bt-surface-2);color:var(--bt-text);border:1px solid var(--bt-border);border-radius:10px;padding:9px 12px;font-size:13px;font-weight:600;max-width:160px;cursor:pointer}.bt-ws-single{font-size:13px;font-weight:600;color:var(--bt-text-2);background:var(--bt-brand-soft);border:1px solid var(--bt-border);border-radius:10px;padding:9px 12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:160px}.bt-icon-btn{background:var(--bt-surface-2);border:1px solid var(--bt-border);color:var(--bt-text);border-radius:10px;width:40px;height:40px;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,transform .1s}.bt-icon-btn:hover{background:var(--bt-brand-soft)}.bt-icon-btn:active{transform:scale(.94)}.bt-tabs{display:flex;gap:6px;background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:14px;padding:6px;margin:14px auto 0;max-width:700px;box-shadow:var(--bt-shadow)}.bt-tab{flex:1;padding:11px 14px;font-size:13px;font-weight:700;color:var(--bt-text-2);border:none;background:none;cursor:pointer;border-radius:10px;white-space:nowrap;transition:all .18s}.bt-tab:hover{color:var(--bt-text);background:var(--bt-surface-2)}.bt-tab.active{color:var(--bt-brand-contrast);background:linear-gradient(135deg,var(--bt-brand),var(--bt-brand-strong));box-shadow:0 4px 12px color-mix(in srgb,var(--bt-brand) 34%,transparent)}.bt-toast{position:fixed;top:74px;left:50%;transform:translate(-50%);background:var(--bt-elevated);border:1px solid var(--bt-border);color:var(--bt-text);padding:12px 20px;border-radius:12px;font-size:14px;font-weight:600;z-index:200;max-width:340px;text-align:center;box-shadow:var(--bt-shadow-lg);animation:bt-toast-in .25s cubic-bezier(.2,.8,.2,1)}@keyframes bt-toast-in{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.bt-toast.success{border-color:var(--bt-brand);color:var(--bt-brand-strong)}.bt-toast.error{border-color:var(--bt-danger);color:var(--bt-danger)}.bt-content{padding:16px;max-width:700px;margin:0 auto}.bt-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:10px;margin-bottom:16px}.bt-stat{background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:14px;padding:12px 10px;text-align:center;box-shadow:var(--bt-shadow);cursor:pointer;transition:transform .12s,border-color .15s}.bt-stat:hover{transform:translateY(-2px)}.bt-stat.active{border-color:var(--bt-brand);box-shadow:0 0 0 2px color-mix(in srgb,var(--bt-brand) 30%,transparent)}.bt-stat-num{font-size:22px;font-weight:800;line-height:1;color:var(--bt-text)}.bt-stat-label{font-size:11px;font-weight:600;color:var(--bt-text-3);margin-top:4px;text-transform:uppercase;letter-spacing:.03em}.bt-stat-dot{width:8px;height:8px;border-radius:50%;margin:0 auto 6px}.bt-scan-card{background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:var(--bt-radius);padding:20px;margin-bottom:16px;box-shadow:var(--bt-shadow)}.bt-scan-card h2{font-size:12px;font-weight:700;color:var(--bt-text-3);margin:0 0 14px;text-transform:uppercase;letter-spacing:.06em}.bt-barcode-row{display:flex;gap:8px}.bt-input{flex:1;background:var(--bt-surface-2);border:1.5px solid var(--bt-border);border-radius:12px;color:var(--bt-text);font-size:16px;padding:13px 15px;outline:none;transition:border-color .15s,box-shadow .15s;min-height:48px;box-sizing:border-box}.bt-input:focus{border-color:var(--bt-brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--bt-brand) 18%,transparent)}.bt-input::placeholder{color:var(--bt-text-3)}.bt-select{background:var(--bt-surface-2);border:1.5px solid var(--bt-border);border-radius:12px;color:var(--bt-text);font-size:15px;padding:13px 15px;outline:none;transition:border-color .15s;appearance:none;min-height:48px;cursor:pointer}.bt-select:focus{border-color:var(--bt-brand)}.bt-textarea{resize:vertical;min-height:88px}.bt-btn{padding:13px 18px;border-radius:12px;border:none;font-size:14px;font-weight:700;cursor:pointer;transition:filter .15s,transform .1s,box-shadow .15s;display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:48px}.bt-btn:active{transform:scale(.97)}.bt-btn:disabled{opacity:.5;cursor:not-allowed}.bt-btn-primary{background:linear-gradient(135deg,var(--bt-brand),var(--bt-brand-strong));color:var(--bt-brand-contrast);box-shadow:0 4px 14px color-mix(in srgb,var(--bt-brand) 32%,transparent)}.bt-btn-primary:hover:not(:disabled){filter:brightness(1.05)}.bt-btn-secondary{background:var(--bt-surface-2);color:var(--bt-text);border:1.5px solid var(--bt-border)}.bt-btn-secondary:hover:not(:disabled){border-color:var(--bt-border-2)}.bt-btn-danger{background:var(--bt-danger-soft);color:var(--bt-danger)}.bt-btn-green{background:var(--bt-brand-soft);color:var(--bt-brand-strong)}.bt-btn-sm{padding:9px 14px;font-size:13px;min-height:40px}.bt-camera-wrapper{position:relative;margin-top:12px;border-radius:12px;overflow:hidden;background:#000;aspect-ratio:4/3;max-height:280px}.bt-camera-wrapper video{width:100%;height:100%;object-fit:cover}.bt-camera-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.bt-scan-frame{width:220px;height:130px;border:3px solid var(--bt-brand);border-radius:12px;box-shadow:0 0 0 9999px #00000073}.bt-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}@media(max-width:480px){.bt-form-grid{grid-template-columns:1fr}}.bt-form-group{display:flex;flex-direction:column;gap:7px}.bt-form-group.full{grid-column:1 / -1}.bt-label{font-size:12px;font-weight:700;color:var(--bt-text-2);text-transform:uppercase;letter-spacing:.04em}.bt-form-actions{display:flex;gap:10px;margin-top:18px;justify-content:flex-end}.bt-battery-card{background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:var(--bt-radius);padding:16px;margin-bottom:12px;cursor:pointer;transition:transform .12s,border-color .15s,box-shadow .15s;box-shadow:var(--bt-shadow)}.bt-battery-card:hover{transform:translateY(-2px);border-color:var(--bt-border-2)}.bt-battery-card.selected{border-color:var(--bt-brand);box-shadow:0 0 0 2px color-mix(in srgb,var(--bt-brand) 26%,transparent),var(--bt-shadow)}.bt-battery-card.overdue{border-left:4px solid var(--bt-danger)}.bt-battery-top{display:flex;align-items:flex-start;gap:12px}.bt-battery-info{flex:1;min-width:0}.bt-battery-name{font-size:16px;font-weight:700;color:var(--bt-text);margin:0 0 2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bt-battery-barcode{font-size:12px;color:var(--bt-text-3);font-family:ui-monospace,monospace}.bt-battery-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.bt-meta-chip{font-size:12px;color:var(--bt-text-2);display:inline-flex;align-items:center;gap:4px;background:var(--bt-surface-2);border:1px solid var(--bt-border);padding:4px 9px;border-radius:20px}.bt-meta-chip.overdue-chip{background:var(--bt-danger-soft);color:var(--bt-danger);border-color:transparent;font-weight:700}.bt-status-badge{font-size:11px;font-weight:700;padding:5px 12px;border-radius:20px;white-space:nowrap;flex-shrink:0;text-transform:uppercase;letter-spacing:.02em}.status-received{background:var(--st-received-bg);color:var(--st-received-fg)}.status-diagnosing{background:var(--st-diagnosing-bg);color:var(--st-diagnosing-fg)}.status-in_repair{background:var(--st-in_repair-bg);color:var(--st-in_repair-fg)}.status-charging{background:var(--st-charging-bg);color:var(--st-charging-fg)}.status-ready{background:var(--st-ready-bg);color:var(--st-ready-fg)}.status-delivered{background:var(--st-delivered-bg);color:var(--st-delivered-fg)}.dot-received{background:var(--st-received-fg)}.dot-diagnosing{background:var(--st-diagnosing-fg)}.dot-in_repair{background:var(--st-in_repair-fg)}.dot-charging{background:var(--st-charging-fg)}.dot-ready{background:var(--st-ready-fg)}.dot-delivered{background:var(--st-delivered-fg)}.bt-stepper{display:flex;align-items:center;gap:4px;margin:4px 0 16px;overflow-x:auto;padding-bottom:4px}.bt-step{display:flex;flex-direction:column;align-items:center;gap:5px;min-width:52px;flex-shrink:0}.bt-step-dot{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;background:var(--bt-surface-2);border:2px solid var(--bt-border);color:var(--bt-text-3)}.bt-step.done .bt-step-dot{background:var(--bt-brand);border-color:var(--bt-brand);color:var(--bt-brand-contrast)}.bt-step.current .bt-step-dot{border-color:var(--bt-brand);color:var(--bt-brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--bt-brand) 20%,transparent)}.bt-step-label{font-size:9px;font-weight:700;color:var(--bt-text-3);text-transform:uppercase;text-align:center}.bt-step.done .bt-step-label,.bt-step.current .bt-step-label{color:var(--bt-text-2)}.bt-step-bar{flex:1;height:2px;background:var(--bt-border);min-width:8px}.bt-step-bar.done{background:var(--bt-brand)}.bt-status-panel{background:var(--bt-surface-2);border:1px solid var(--bt-border);border-radius:14px;padding:16px;margin-top:14px}.bt-status-panel h3{font-size:12px;font-weight:700;color:var(--bt-text-2);margin:0 0 12px;text-transform:uppercase;letter-spacing:.05em}.bt-status-buttons{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.bt-status-btn{padding:9px 15px;border-radius:20px;border:1.5px solid var(--bt-border);background:var(--bt-surface);color:var(--bt-text-2);font-size:13px;font-weight:700;cursor:pointer;transition:all .15s;min-height:40px}.bt-status-btn:active{transform:scale(.96)}.bt-status-btn.current{border-color:var(--bt-brand);background:var(--bt-brand-soft);color:var(--bt-brand-strong)}.bt-status-btn.other:hover{border-color:var(--bt-border-2);color:var(--bt-text)}.bt-log{margin-top:16px}.bt-log-entry{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--bt-border)}.bt-log-entry:last-child{border-bottom:none}.bt-log-dot{width:11px;height:11px;border-radius:50%;background:var(--bt-border-2);margin-top:4px;flex-shrink:0}.bt-log-dot.latest{background:var(--bt-brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--bt-brand) 22%,transparent)}.bt-log-text{flex:1;min-width:0}.bt-log-status{font-size:14px;font-weight:700;color:var(--bt-text)}.bt-log-note{font-size:13px;color:var(--bt-text-2);margin-top:2px}.bt-log-time{font-size:11px;color:var(--bt-text-3);margin-top:2px}.bt-log-sms{font-size:12px;color:var(--bt-brand-strong);font-weight:600;margin-top:2px}.bt-search-row{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.bt-search-row .bt-input{flex:1;min-width:160px}.bt-empty{text-align:center;padding:56px 20px;color:var(--bt-text-3)}.bt-empty-icon{font-size:44px;margin-bottom:14px}.bt-empty p{font-size:15px}.bt-sms-row{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--bt-text-2);margin-top:12px;font-weight:600}.bt-toggle{position:relative;width:44px;height:26px;flex-shrink:0}.bt-toggle input{opacity:0;width:0;height:0}.bt-toggle-slider{position:absolute;inset:0;background:var(--bt-border-2);border-radius:20px;cursor:pointer;transition:background .2s}.bt-toggle-slider:before{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px #0003}.bt-toggle input:checked+.bt-toggle-slider{background:var(--bt-brand)}.bt-toggle input:checked+.bt-toggle-slider:before{transform:translate(18px)}.bt-spinner{display:inline-block;width:16px;height:16px;border:2px solid color-mix(in srgb,var(--bt-brand) 25%,transparent);border-top-color:var(--bt-brand);border-radius:50%;animation:bt-spin .7s linear infinite}@keyframes bt-spin{to{transform:rotate(360deg)}}.bt-login-wrap{min-height:100vh;background:var(--bt-bg);background-image:var(--bt-bg-grad);background-attachment:fixed;display:flex;align-items:center;justify-content:center;padding:20px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}.bt-login-card{background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:24px;padding:36px 28px;width:100%;max-width:380px;text-align:center;box-shadow:var(--bt-shadow-lg)}.bt-login-logo{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,var(--bt-brand),var(--bt-brand-strong));border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:32px;box-shadow:0 8px 24px color-mix(in srgb,var(--bt-brand) 40%,transparent)}.bt-login-card h1{font-size:22px;font-weight:800;letter-spacing:-.02em;margin:0 0 4px;color:var(--bt-text)}.bt-login-sub{color:var(--bt-text-2);font-size:14px;margin:0 0 24px}.bt-login-card .bt-input{margin-bottom:12px;width:100%}.bt-login-btn{width:100%;margin-top:4px}.bt-login-error{color:var(--bt-danger);font-size:13px;margin:0 0 12px;font-weight:600}.bt-admin-overlay{position:fixed;inset:0;background:#06140c80;backdrop-filter:blur(4px);z-index:200;display:flex;align-items:flex-start;justify-content:center;padding:20px;overflow-y:auto}.bt-admin-panel{background:var(--bt-surface);border:1px solid var(--bt-border);border-radius:20px;padding:22px;width:100%;max-width:520px;margin:auto;box-shadow:var(--bt-shadow-lg)}.bt-admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.bt-admin-header h2{font-size:18px;font-weight:800;margin:0;color:var(--bt-text)}.bt-admin-msg{background:var(--bt-brand-soft);border:1px solid var(--bt-border);color:var(--bt-brand-strong);border-radius:10px;padding:10px 14px;font-size:13px;font-weight:600;margin-bottom:12px}.bt-admin-section{border-top:1px solid var(--bt-border);padding-top:16px;margin-top:16px}.bt-admin-section h3{font-size:14px;font-weight:700;margin:0 0 10px;color:var(--bt-text)}.bt-admin-row{display:flex;flex-wrap:wrap;gap:8px}.bt-admin-row .bt-input,.bt-admin-row .bt-select{flex:1;min-width:120px}.bt-admin-ws{margin-bottom:14px}.bt-admin-ws-name{font-weight:700;font-size:14px;margin:0 0 6px;color:var(--bt-text)}.bt-admin-members{display:flex;flex-wrap:wrap;gap:6px}.bt-admin-empty{color:var(--bt-text-3);font-size:12px}.bt-chip-x{background:none;border:none;color:var(--bt-text-3);cursor:pointer;margin-left:4px;font-size:12px;padding:0}.bt-chip-x:hover{color:var(--bt-danger)}