:root{color:#172033;background:#f4f7fb;font-family:Inter,Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--bg: #f4f7fb;--surface: #ffffff;--surface-soft: #f8fafc;--surface-blue: #eef6ff;--line: #d9e2ec;--line-strong: #c8d4e2;--text: #172033;--muted: #65758b;--muted-2: #8a9ab0;--navy: #071a3d;--primary: #1273ea;--primary-dark: #0b5fc7;--primary-soft: #e8f2ff;--success: #16a36a;--success-soft: #e8f8f0;--warning: #d97706;--warning-soft: #fff7e6;--danger: #d92d20;--danger-soft: #fff0ee;--shadow-sm: 0 8px 20px rgba(18, 37, 63, .06);--shadow-md: 0 18px 44px rgba(18, 37, 63, .1);--radius: 8px}*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at 18% 0%,rgba(18,115,234,.08),transparent 26%),linear-gradient(180deg,#fbfdff 0%,var(--bg) 45%,#eef3f8 100%)}button,input,select{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border:1px solid 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.guide-header{align-items:center;min-height:72px;border-bottom:1px solid var(--cargo-line);padding:14px 28px;background:#fff}.cargo-dialog .guide-header h2{color:var(--cargo-title);font-size:22px;font-weight:800}.cargo-dialog .guide-header .icon-only{border:1px solid var(--cargo-line);border-radius:9px;background:#fff;color:#0d8bff;box-shadow:none}.cargo-dialog-body{overflow:auto;display:grid;gap:0}.cargo-dialog-body section{padding:18px 32px}.cargo-dialog-body section+section{border-top:1px solid #eef3f8}.modal-step-title{display:flex;align-items:baseline;gap:6px;margin:0 0 10px;color:var(--cargo-title);font-size:19px;font-weight:800}.modal-step-title span{color:var(--cargo-primary-2)}.cargo-dimensions-section{background:#f6f8fb}.cargo-dimensions-layout{display:grid;grid-template-columns:minmax(260px,.3fr) minmax(0,.7fr);gap:28px;align-items:center}.cargo-illustration-panel{display:grid;place-items:center;min-height:178px}.cargo-dimension-illustration{width:214px;height:178px}.cargo-dimension-illustration polygon{fill:#3b82f614;stroke:#8fb3e6;stroke-width:3.2;stroke-linejoin:round}.cargo-dimension-illustration line{stroke:#95a6b8;stroke-width:2.2;stroke-linecap:round}.cargo-dimension-illustration text{fill:#102a43;font-size:14px;font-weight:800;text-anchor:middle}.cargo-dimension-illustration .dimension-tags rect{fill:#fff;stroke:#d5e3f4;stroke-width:1.5}.custom-pallet-panel{margin-top:16px;border:1px solid var(--cargo-line);border-radius:10px;padding:16px;background:#fff}.custom-pallet-panel h4{margin:0 0 12px;color:var(--navy);font-size:15px}.cargo-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px 16px}.cargo-form-grid .span-2{grid-column:span 2}.cargo-dialog label{display:grid;gap:5px;min-width:0}.cargo-dialog label>span{color:var(--cargo-label);font-size:13px;font-weight:700}.cargo-dialog input,.cargo-dialog select{width:100%;min-height:36px;border:1px solid #d9e3ee;border-radius:20px;padding:0 14px;background:#fff;color:#111827;font-size:15px;line-height:1;box-shadow:none}.cargo-dialog select{border-radius:20px}.cargo-dialog input:focus,.cargo-dialog select:focus{border-color:var(--cargo-primary);box-shadow:0 0 0 3px #0d8bff1f}.unit-input{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;border:1px solid #d9e3ee;border-radius:20px;background:#fff}.unit-input:focus-within{border-color:var(--cargo-primary);box-shadow:0 0 0 3px #0d8bff1f}.unit-input input{min-height:34px;border:0;border-radius:20px;padding-right:8px;box-shadow:none}.unit-input input:focus{box-shadow:none}.unit-input span{padding-right:14px;color:#9db1c6;font-size:13px;font-weight:700}.cargo-settings-section{display:grid;grid-template-areas:"title" "direction" "constraints";gap:16px;background:#fff}.cargo-settings-section>.modal-step-title{grid-area:title}.settings-column{min-width:0}.direction-column{grid-area:direction}.constraint-column{grid-area:constraints}.settings-column h4{margin:0 0 10px;color:var(--cargo-title);font-size:16px;font-weight:800}.placement-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.placement-card{position:relative;display:grid;align-content:start;justify-items:center;gap:6px;width:100%;min-height:294px;border:1px solid var(--cargo-line);border-radius:12px;padding:12px 14px 14px;background:#fff;color:var(--muted);box-shadow:0 10px 24px #102a430d;transition:border-color .16s ease,background .16s ease,box-shadow .16s ease,transform .16s ease}.placement-card:focus{outline:none}.placement-card:focus-visible{border-color:var(--cargo-primary-2);box-shadow:0 0 0 3px #3b82f629,0 10px 24px #102a430d}.placement-card:hover:not(:disabled),.placement-card.active{border-color:var(--cargo-primary-2);background:#eef5ff;color:var(--cargo-primary);box-shadow:0 14px 30px #3b82f61f}.placement-card:hover:not(:disabled){transform:translateY(-1px)}.selection-check{position:absolute;top:14px;left:14px;display:grid;width:22px;height:22px;place-items:center;border:1px solid #cbd6e2;border-radius:5px;background:#fff;color:#fff;font-size:15px;font-weight:950;line-height:1}.placement-card.active .selection-check{border-color:var(--cargo-primary-2);background:var(--cargo-primary-2)}.placement-card strong{display:block;margin-top:0;color:var(--cargo-title);font-size:17px;font-weight:800;line-height:1.2}.placement-card em{color:var(--muted);display:block;margin-top:0;font-size:13px;font-style:normal;font-weight:700;line-height:1.25}.direction-illustration{display:block;width:min(100%,390px);height:218px;object-fit:contain;object-position:center;-webkit-user-select:none;user-select:none}.direction-box polygon,.constraint-icon polygon{fill:#eef5ff;stroke:#8fb3e6;stroke-width:3;stroke-linejoin:round}.direction-dimensions line{fill:none;stroke-width:2.6;stroke-linecap:round}.direction-dimensions .length-line line,.direction-dimensions .width-line line,.direction-dimensions .height-line line{stroke:#95a6b8}.dimension-badge rect{fill:#fff;stroke:#d5e3f4;stroke-width:1.5}.dimension-badge text{fill:#102a43;font-size:14px;font-weight:800;text-anchor:middle}.constraint-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.constraint-card{display:grid;grid-template-columns:66px minmax(0,1fr);align-items:center;gap:12px;min-height:100px;border:1px solid var(--cargo-line);border-radius:12px;padding:10px;background:#fff;box-shadow:0 10px 24px #102a430d}.constraint-card label{display:grid;gap:7px;min-width:0}.constraint-card label span,.constraint-card label>span{color:#6f8298;font-size:13px;font-weight:800}.constraint-card label small{color:var(--muted);font-size:12px;font-weight:700;line-height:1.35}.constraint-card input,.constraint-card select{max-width:150px}.constraint-empty{border:1px dashed var(--cargo-line);border-radius:12px;padding:18px;background:#f7f9fc;color:var(--muted);font-size:13px;font-weight:700}.constraint-icon-shell{display:grid;width:56px;height:56px;place-items:center;border-radius:10px;background:#f3f7fc}.constraint-icon{width:52px;height:52px}.constraint-icon rect,.constraint-icon path,.constraint-icon circle,.constraint-icon line{fill:none;stroke:#8fb3e6;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.constraint-icon .measure{stroke:#5dade2}.constraint-icon text{fill:#5e7590;font-size:12px;font-weight:800;text-anchor:middle}.cargo-dialog-footer{position:relative;display:flex;justify-content:center;align-items:center;gap:14px;border-top:1px solid var(--cargo-line);min-height:72px;padding:14px 28px;background:#fff}.cargo-form-error{position:absolute;left:28px;right:28px;top:-38px;min-height:32px;border:1px solid #fecaca;border-radius:8px;padding:7px 12px;background:#fff1f2;color:#b42318;font-size:13px;font-weight:700;box-shadow:0 10px 22px #b4231814}.cargo-dialog-footer button{min-width:150px;min-height:44px;border-radius:8px}.cargo-dialog-footer button.ghost{background:#e8ecff;color:#007cff}.guide-header{border-bottom:1px solid var(--line);padding:18px 20px;background:var(--surface-soft)}.guide-header h2{font-size:22px}.guide-body{overflow:auto;padding:20px}.guide-body section{border-bottom:1px solid #edf2f7;padding:0 0 18px;margin-bottom:18px}.guide-body section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}.guide-body 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strong{font-size:24px}.admin-dialog{width:min(1180px,100%)}.admin-body{overflow:auto;display:grid;gap:16px;padding:18px}.admin-grid,.admin-list-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.admin-form,.admin-list{display:grid;gap:12px;border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:#fff}.admin-form h3,.admin-list h3{font-size:16px}.admin-check{align-items:center;margin-top:4px}.admin-row{display:grid;gap:4px;border:1px solid var(--line);border-radius:var(--radius);padding:10px;background:var(--surface-soft);color:var(--text);text-align:left;box-shadow:none}.admin-row:hover,.admin-row.active{border-color:var(--primary);background:var(--primary-soft);color:var(--navy)}.admin-row span{color:var(--muted);font-size:12px;font-weight:750}.admin-row strong{font-size:14px}.admin-row 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11px;font-size:12px}.viewer-download.active{background:var(--primary);color:#fff;border-color:var(--primary)}.viewer-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;min-height:0}.viewer-canvas{position:relative;min-height:0;background:linear-gradient(180deg,#fff,#f8fbff)}.viewer-shell.is-editing .viewer-canvas{cursor:grab}.edit-hint{position:absolute;left:12px;bottom:12px;z-index:3;display:grid;gap:3px;max-width:min(360px,calc(100% - 24px));border:1px solid #f0c76e;border-radius:var(--radius);padding:10px 12px;background:#fffaecf5;color:#5a3f09;box-shadow:var(--shadow-sm);pointer-events:none}.edit-hint strong{font-size:13px}.edit-hint span{font-size:12px;line-height:1.4}.box-tooltip{position:absolute;z-index:4;display:grid;gap:4px;min-width:210px;max-width:min(280px,calc(100% - 24px));border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;background:#fffffff7;box-shadow:var(--shadow-md);color:var(--text);font-size:12px;pointer-events:none}.box-tooltip 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var(--line);border-radius:var(--radius);padding:5px 7px;background:#fff}.swatch{width:14px;height:14px;border:1px solid rgba(0,0,0,.14);border-radius:4px}.legend-name{overflow:hidden;color:var(--text);font-size:12px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.legend-count{min-width:26px;color:var(--navy);font-size:12px;font-weight:950;text-align:right}.step-row{display:grid;grid-template-columns:24px minmax(0,1fr);gap:8px;border:1px solid var(--line);border-radius:var(--radius);padding:8px;background:#fff}.step-index{display:block;min-width:22px;padding-top:1px;color:var(--primary);font-size:12px;font-weight:950;line-height:1.2;text-align:right}.step-row strong,.step-row span{display:block}.step-row strong{overflow:hidden;color:var(--navy);font-size:12px;text-overflow:ellipsis;white-space:nowrap}.step-row span{margin-top:3px;color:var(--muted);font-size:11px}.empty-state{display:grid;place-items:center;color:var(--muted);font-weight:800}.spin{animation:spin 1s linear 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140px}.viewer-body{grid-template-columns:1fr}.viewer-side{display:none}.number-control,.toggle-switch{justify-self:start}.range-control{grid-template-columns:1fr}.range-control output{text-align:left}.cargo-dialog{width:calc(100vw - 24px);max-height:calc(100vh - 24px)}.cargo-dialog-body section,.cargo-dialog-footer{padding:16px}.cargo-dimensions-layout,.cargo-settings-section{grid-template-columns:1fr;grid-template-areas:"title" "direction" "constraints"}.cargo-illustration-panel{min-height:160px}.cargo-dimension-illustration{width:190px;height:150px}.cargo-form-grid,.placement-grid,.constraint-grid{grid-template-columns:1fr}.placement-grid{justify-items:stretch}.placement-card{width:100%}.cargo-form-grid .span-2{grid-column:auto}.cargo-dialog-footer,.upload-head{align-items:stretch;flex-direction:column}.cargo-dialog-footer button{width:100%}}