.object-remover-page{--ow-ink:#172033;--ow-muted:#667085;--ow-line:#d9e1ec;--ow-soft:#f6f8fb;--ow-panel:#fff;--ow-primary:#0e7490;--ow-primary-dark:#155e75;--ow-accent:#e11d48;--ow-success:#047857;--ow-warn:#b45309;--ow-shadow:0 18px 48px rgba(15,23,42,.08)}.object-remover-page [hidden]{display:none!important}.object-remover-hero{margin-bottom:24px}body .object-remover-page .object-remover-hero .tool-intro{margin-bottom:0}.object-remover-app *,.object-remover-app :after,.object-remover-app :before{box-sizing:border-box}body .tool-page .main-column .tool-ui.object-remover-app{overflow:visible}body .tool-page .main-column .tool-ui.object-remover-app:before{display:none}.object-remover-app{color:var(--ow-ink);user-select:none}.object-remover-app :where(input,select,textarea){user-select:text}.object-remover-app svg{fill:none;height:18px;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8;width:18px}.ow-upload__model-note{color:var(--color-text-secondary);font-size:var(--text-xs);line-height:1.5}.ow-btn,.ow-history-row button,.ow-link-btn,.ow-samples button,.ow-tool-buttons button,.ow-view-tabs button{font:inherit}.ow-btn{align-items:center;border:0;border-radius:8px;cursor:pointer;display:inline-flex;font-weight:780;gap:8px;justify-content:center;min-height:44px;padding:10px 16px;transition:background .2s ease,box-shadow .2s ease,transform .2s ease,opacity .2s ease}.ow-btn:hover:not(:disabled){transform:translateY(-1px)}.ow-btn:disabled{cursor:not-allowed;opacity:.55}.ow-btn--primary{background:var(--ow-primary);box-shadow:0 10px 24px rgba(14,116,144,.22);color:#fff}.ow-btn--primary:hover:not(:disabled){background:var(--ow-primary-dark)}.ow-btn--secondary{background:#f3f6fa;border:1px solid #d8e1eb;color:#1f2937}.ow-btn--secondary:hover:not(:disabled){background:#e8eef5}.ow-btn--success{background:var(--ow-success);box-shadow:0 10px 24px rgba(4,120,87,.2);color:#fff}.ow-full{width:100%}.ow-samples{align-items:center;background:#fff;border:1px solid var(--ow-line);border-radius:8px;display:flex;gap:10px;justify-content:center;margin:0 16px 16px;padding:12px}.ow-samples>span{color:var(--ow-muted);font-size:.86rem;font-weight:var(--font-semibold)}.ow-samples button{align-items:center;background:var(--ow-soft);border:1px solid var(--ow-line);border-radius:8px;color:var(--ow-ink);cursor:pointer;display:inline-flex;gap:8px;min-width:152px;padding:6px 10px 6px 6px;text-align:left}.ow-samples button:focus-visible,.ow-samples button:hover{background:#ecfeff;border-color:var(--ow-primary);outline:none}.ow-samples img{border-radius:6px;flex:0 0 48px;height:48px;object-fit:cover;width:48px}.ow-samples small,.ow-samples strong{display:block}.ow-samples strong{font-size:.84rem;font-weight:var(--font-semibold)}.ow-samples small{color:var(--ow-muted);font-size:.72rem}.ow-error{background:#fff7f7;border:1px solid #fecaca;border-radius:8px;margin:16px;padding:28px;text-align:center}.ow-error strong{color:#991b1b;display:block;font-size:1.15rem}.ow-error p{color:#7f1d1d;margin:8px auto 18px;max-width:540px}.ow-runtime{align-items:center;background:#ecfeff;border-bottom:1px solid #c9e7ee;color:#31505c;display:flex;font-size:.82rem;font-weight:720;gap:10px;justify-content:space-between;margin:0;padding:10px 16px}.ow-workspace{align-items:start;background:#f6f8fb;display:grid;gap:0;grid-template-columns:minmax(0,1fr) 288px}.ow-control-panel,.ow-stage-panel{background:var(--ow-panel);border:1px solid var(--ow-line);border-radius:8px;box-shadow:0 12px 34px rgba(15,23,42,.05)}.ow-stage-panel{border:0;border-radius:0;border-right:1px solid var(--ow-line);box-shadow:none;min-width:0;overflow:hidden}.ow-stage-footer,.ow-stage-topbar{align-items:center;border-bottom:1px solid var(--ow-line);display:flex;gap:12px;justify-content:space-between;padding:10px 12px}.ow-stage-footer{border-bottom:0;border-top:1px solid var(--ow-line)}.ow-section-label{color:var(--ow-primary-dark);display:block;font-size:.72rem;font-weight:820;letter-spacing:.08em;text-transform:uppercase}.ow-stage-topbar h2{color:var(--ow-ink);font-size:1rem;line-height:1.25;margin:4px 0 0}.ow-view-tabs{background:#eef2f6;border-radius:8px;display:inline-grid;gap:4px;grid-template-columns:repeat(4,minmax(64px,1fr));padding:4px}.ow-view-tabs button{align-items:center;background:transparent;border:0;border-radius:6px;color:#475467;cursor:pointer;display:inline-flex;font-size:.8rem;font-weight:760;gap:6px;justify-content:center;min-height:36px;padding:6px 8px}.ow-view-tabs button.is-active{background:#fff;box-shadow:0 2px 8px rgba(15,23,42,.1);color:#0f172a}.ow-canvas-viewport{background:#fff;display:grid;min-height:clamp(520px,calc(100vh - 235px),820px);overflow:auto;overscroll-behavior:contain;padding:12px;place-items:center;position:relative;width:100%}.ow-canvas-stack{background:#fff;border:1px solid rgba(15,23,42,.16);border-radius:8px;box-shadow:0 16px 36px rgba(15,23,42,.16);flex:0 0 auto;height:420px;overflow:hidden;position:relative;width:640px}.ow-canvas-stack.is-comparing{cursor:ew-resize;touch-action:none;user-select:none}.ow-canvas-stack.is-comparing:after{background:hsla(0,0%,100%,.9);border:1px solid rgba(148,163,184,.45);border-radius:999px;bottom:10px;box-shadow:0 4px 14px rgba(15,23,42,.12);color:#334155;content:"Kéo để so sánh";font-size:.7rem;font-weight:750;padding:5px 9px;pointer-events:none;position:absolute;right:10px;z-index:3}.ow-canvas-stack canvas{display:block;height:100%;inset:0;position:absolute;width:100%}#owDetectionCanvas{pointer-events:none;z-index:1}#owMaskCanvas{cursor:none;touch-action:none;z-index:2}#owMaskCanvas.is-lasso{cursor:cell}#owMaskCanvas.has-detections{cursor:pointer}.ow-brush-cursor{background:rgba(225,29,72,.42);border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 1px rgba(15,23,42,.55);box-sizing:border-box;height:36px;left:0;opacity:0;pointer-events:none;position:absolute;top:0;transform:translate(-50%,-50%);width:36px;z-index:4}.ow-brush-cursor.is-visible{opacity:1}.ow-brush-cursor.is-eraser{background:hsla(0,0%,100%,.18);border-style:dashed}.ow-canvas-stack:not(.is-editing) #owMaskCanvas{opacity:0;pointer-events:none}.ow-processing{align-content:center;backdrop-filter:blur(6px);background:rgba(15,23,42,.62);color:#fff;display:grid;gap:10px;inset:0;place-items:center;position:absolute;z-index:5}.ow-processing span{animation:ow-spin .9s linear infinite;border:4px solid hsla(0,0%,100%,.35);border-radius:50%;border-top-color:#fff;height:44px;width:44px}@keyframes ow-spin{to{transform:rotate(1turn)}}.ow-processing small{color:hsla(0,0%,100%,.82)}.ow-compare-row{align-items:center;border-top:1px solid var(--ow-line);display:grid;gap:12px;grid-template-columns:minmax(120px,auto) 1fr;padding:12px}.ow-compare-row label{color:var(--ow-muted);font-size:.82rem;font-weight:720}.ow-compare-row input,.ow-range input{accent-color:var(--ow-primary);width:100%}.ow-stage-footer small,.ow-stage-footer strong{display:block;min-width:0}.ow-stage-footer strong{color:var(--ow-ink);font-size:.92rem;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ow-stage-footer small{color:var(--ow-muted);font-size:.76rem;margin-top:2px}.ow-link-btn{align-items:center;background:#f0f9ff;border:1px solid #bae6fd;border-radius:8px;color:var(--ow-primary-dark);cursor:pointer;display:inline-flex;font-size:.82rem;font-weight:760;gap:6px;justify-content:center;min-height:38px;padding:7px 10px}.ow-controls{background:linear-gradient(180deg,#f8fafc,#f1f5f9);display:grid;gap:10px;max-height:calc(100vh - 96px);overflow:auto;overscroll-behavior:contain;padding:12px;position:sticky;scrollbar-color:#cbd5e1 transparent;scrollbar-width:thin;top:92px}.ow-control-panel{border-color:#dbe3ee;border-radius:12px;box-shadow:0 7px 20px rgba(15,23,42,.045);padding:12px}.ow-ai-panel{background:transparent;border:0;box-shadow:none;overflow:hidden;padding:0}.ow-ai-toggle{align-items:center;background:linear-gradient(120deg,#e9fbff,#f1e7ff 62%,#fff1f5);border:1px solid #ded8ff;border-radius:14px;cursor:pointer;display:grid;gap:9px;grid-template-columns:36px minmax(0,1fr) 36px;min-height:72px;padding:12px}.ow-ai-toggle__icon{background:hsla(0,0%,100%,.72);border-radius:10px;color:#4f46e5;display:grid;height:36px;place-items:center;width:36px}.ow-ai-toggle__copy{display:grid;gap:3px;min-width:0}.ow-ai-toggle__copy strong{color:#172033;font-size:.88rem;line-height:1.2}.ow-ai-toggle__copy em{background:linear-gradient(135deg,#2563eb,#7c3aed);border-radius:6px;color:#fff;display:inline-grid;font-size:.68rem;font-style:normal;height:20px;margin-left:3px;min-width:21px;place-items:center}.ow-ai-toggle__copy small{color:#697386;font-size:.71rem;line-height:1.35;overflow:hidden;text-overflow:ellipsis}.ow-ai-toggle input{height:1px;opacity:0;pointer-events:none;position:absolute;width:1px}.ow-switch{background:#d7dce5;border-radius:999px;box-shadow:inset 0 1px 2px rgba(15,23,42,.12);height:20px;position:relative;transition:background .2s ease;width:34px}.ow-switch:after{background:#fff;border-radius:50%;box-shadow:0 2px 5px rgba(15,23,42,.2);content:"";height:14px;left:3px;position:absolute;top:3px;transition:transform .2s ease;width:14px}.ow-ai-toggle input:checked+.ow-switch{background:linear-gradient(90deg,#2563eb,#7c3aed)}.ow-ai-toggle input:checked+.ow-switch:after{transform:translateX(14px)}.ow-ai-toggle:focus-within{outline:3px solid rgba(79,70,229,.2);outline-offset:2px}.ow-ai-body{background:#fff;border:1px solid var(--ow-line);border-radius:12px;margin-top:8px;padding:10px}.ow-panel-title{align-items:center;color:var(--ow-primary-dark);display:flex;gap:8px;margin-bottom:9px}.ow-panel-title h3{color:var(--ow-ink);font-size:.96rem;line-height:1.2;margin:0}.ow-panel-title--compact{margin-bottom:8px}.ow-tool-buttons{background:#eef1f5;border-radius:11px;display:grid;gap:4px;grid-template-columns:repeat(3,minmax(0,1fr));padding:4px}.ow-history-row button,.ow-tool-buttons button{align-items:center;background:transparent;border:0;border-radius:8px;color:#334155;cursor:pointer;display:inline-flex;font-size:.69rem;font-weight:750;gap:7px;justify-content:center;min-height:48px;padding:5px 4px}.ow-tool-buttons button{flex-direction:column}.ow-tool-buttons button.is-active{background:#fff;box-shadow:0 2px 8px rgba(15,23,42,.12);color:#1d4ed8}.ow-tool-buttons button svg{height:21px;width:21px}.ow-range.is-muted{opacity:.45}.ow-detection-results{display:grid;gap:8px;margin-top:10px}.ow-detection-summary{align-items:center;color:#334155;display:flex;font-size:.73rem;gap:8px;justify-content:space-between}.ow-detection-summary button{background:transparent;border:0;color:#2563eb;cursor:pointer;font:inherit;font-weight:740;padding:0}.ow-detection-list{display:grid;gap:6px;max-height:clamp(188px,42vh,430px);overflow:auto}.ow-detection-notice{background:#f1f5f9;border-radius:8px;color:#475569;font-size:.68rem;line-height:1.35;margin:0;min-height:30px;padding:7px 8px}.ow-detection-results.has-no-selection .ow-detection-notice{background:#fffbeb;color:#92400e}.ow-detection-item{align-items:center;background:#f8fafc;border:1px solid #e2e8f0;border-radius:9px;cursor:pointer;display:grid;gap:8px;grid-template-columns:26px minmax(0,1fr);padding:8px;text-align:left;width:100%}.ow-detection-item.is-selected{background:#eff6ff;border-color:#93c5fd}.ow-detection-item__marker{background:#fff;border:1px solid #cbd5e1;border-radius:50%;color:#fff;display:grid;font-size:.7rem;height:24px;place-items:center;width:24px}.ow-detection-item.is-selected .ow-detection-item__marker{background:#2563eb;border-color:#2563eb}.ow-detection-item__copy{display:grid;gap:2px;min-width:0}.ow-detection-item__copy small,.ow-detection-item__copy strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ow-detection-item__copy strong{color:#1e293b;font-size:.76rem}.ow-detection-item__copy small{color:#64748b;font-size:.66rem}.ow-history-row{display:grid;gap:8px;grid-template-columns:42px 42px 1fr}.ow-history-row button:disabled{cursor:not-allowed;opacity:.45}.ow-range,.ow-select{display:grid;gap:6px;margin:9px 0}.ow-range span,.ow-select span{align-items:center;color:#475467;display:flex;font-size:.82rem;gap:8px;justify-content:space-between}.ow-range b,.ow-select span{font-weight:740}.ow-range output{color:var(--ow-primary-dark);font-size:.78rem;font-weight:760}.ow-select select{background:#fff;border:1px solid var(--ow-line);border-radius:8px;color:var(--ow-ink);font:inherit;min-height:36px;padding:6px 9px;width:100%}.ow-progress{background:#e8eef5;border-radius:999px;height:8px;margin-top:12px;overflow:hidden}.ow-progress span{background:linear-gradient(90deg,var(--ow-primary),var(--ow-accent));border-radius:inherit;display:block;height:100%;transition:width .2s ease;width:0}#owStatus{color:var(--ow-muted);font-size:.78rem;line-height:1.45;margin:8px 0 0;min-height:38px}.ow-export-row{display:grid;gap:2px;grid-template-columns:1fr}.ow-quality.is-disabled{opacity:.45}[data-theme=dark] .object-remover-page{--ow-ink:#f8fafc;--ow-muted:#a5b4c6;--ow-line:#334155;--ow-soft:#111827;--ow-panel:#0f172a;--ow-shadow:none}[data-theme=dark] .ow-controls,[data-theme=dark] .ow-workspace,[data-theme=dark] body .tool-page .main-column .tool-ui.object-remover-app{background:#0b1220}[data-theme=dark] .ow-runtime{background:#083344;border-color:#155e75;color:#a5f3fc}[data-theme=dark] .ow-control-panel,[data-theme=dark] .ow-samples,[data-theme=dark] .ow-stage-panel{background:#0f172a}[data-theme=dark] .ow-ai-body,[data-theme=dark] .ow-detection-item,[data-theme=dark] .ow-history-row button,[data-theme=dark] .ow-select select,[data-theme=dark] .ow-tool-buttons button,[data-theme=dark] .ow-tool-buttons button.is-active,[data-theme=dark] .ow-view-tabs{background:#111827;color:#e2e8f0}[data-theme=dark] .ow-ai-toggle__copy strong,[data-theme=dark] .ow-detection-item__copy strong{color:#f8fafc}[data-theme=dark] .ow-view-tabs button.is-active{background:#1e293b;color:#f8fafc}[data-theme=dark] .ow-canvas-viewport{background:#111827}@media (max-width:1080px){.ow-workspace{grid-template-columns:1fr}.ow-stage-panel{border-bottom:1px solid var(--ow-line);border-right:0}.ow-controls{grid-template-columns:repeat(2,minmax(0,1fr));max-height:none;position:static}}@media (max-width:760px){.object-remover-hero{margin-bottom:12px}.ow-samples{align-items:stretch;display:grid;gap:8px;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 12px 12px;padding:8px}.ow-samples>span{clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;white-space:nowrap;width:1px}.ow-samples button{gap:6px;min-height:48px;min-width:0;padding:6px;width:100%}.ow-samples img{flex-basis:32px;height:32px;width:32px}.ow-samples button>span{min-width:0}.ow-samples strong{font-size:.75rem;line-height:1.4}.ow-samples small{font-size:.625rem;line-height:1.4}.ow-runtime,.ow-stage-footer,.ow-stage-topbar{align-items:stretch;flex-direction:column}.ow-view-tabs{grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.ow-canvas-viewport{min-height:min(62vh,520px);padding:8px}.ow-controls{grid-template-columns:1fr}.ow-stage-footer strong{max-width:100%}.ow-compare-row{grid-template-columns:1fr}}@media (max-width:460px){.ow-tool-buttons{grid-template-columns:repeat(3,minmax(0,1fr))}.ow-history-row{grid-template-columns:1fr 1fr}.ow-history-row button:last-child{grid-column:1/-1}}