:root{color:#eaf7ff;--galaxy-bg:#d9e6f2;--galaxy-panel:#d7e7f4b8;--galaxy-panel-strong:#e2eef8db;--galaxy-panel-soft:#ddebf79e;--galaxy-line:#4c9ad24d;--galaxy-line-strong:#8870ff85;--galaxy-text:#102235;--galaxy-muted:#4f6178;--galaxy-cyan:#23b9df;--galaxy-blue:#2877d8;--galaxy-violet:#7c68d9;--galaxy-danger:#ff5b86;--galaxy-ok:#54f2b3;--galaxy-shadow:0 18px 42px #2a48662e, 0 0 28px #2f7dff1a;--galaxy-inset:inset 0 1px 0 #ffffff94;background:#07111f;font-family:Inter,Segoe UI,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:var(--galaxy-bg);min-width:320px;margin:0}button,input,label,select{font:inherit}.shell{background:radial-gradient(circle at 18% 8%,#ffffffb3,#0000 28%),linear-gradient(135deg,#cdd8df 0%,#aebeca 48%,#8fa1b2 100%);grid-template-rows:auto minmax(0,1fr);gap:12px;height:100vh;min-height:100vh;padding:12px;display:grid;overflow:hidden}.mobile-dock{display:none}.admin-shell{background:#edf1f6;min-height:100vh;padding:32px}.admin-shell[hidden],.shell[hidden]{display:none}.admin-card{background:#fff;border:1px solid #d7dee8;border-radius:8px;gap:18px;max-width:1120px;margin:0 auto;padding:24px;display:grid;box-shadow:0 16px 36px #2331421a}.admin-header,.admin-list-head,.admin-row-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.admin-back{color:#17202a;background:#f8fafc;border:1px solid #c8d2df;border-radius:7px;place-items:center;min-height:40px;padding:0 14px;text-decoration:none;display:inline-grid}.admin-login{grid-template-columns:minmax(220px,360px) auto;align-items:end;gap:10px;display:grid}.admin-login label{color:#4b5d72;gap:6px;font-size:13px;display:grid}.admin-login input,.admin-row input{color:#17202a;background:#f8fafc;border:1px solid #c8d2df;border-radius:7px;width:100%;min-height:40px;padding:0 12px}.admin-message{color:#607084;min-height:22px;font-size:14px}.admin-list{gap:12px;display:grid}.admin-list[hidden]{display:none}.admin-table{gap:10px;display:grid}.admin-bulk-actions{justify-content:flex-end;gap:10px;display:flex}.admin-row{background:#fbfdff;border:1px solid #d7dee8;border-radius:8px;grid-template-columns:auto minmax(180px,1.2fr) minmax(220px,1fr) minmax(280px,1.5fr) auto;align-items:center;gap:12px;padding:12px;display:grid}.admin-select{place-items:center;display:inline-grid}.admin-select input{accent-color:#1769e0;width:18px;height:18px}.admin-file,.admin-dates{gap:4px;min-width:0;display:grid}.admin-file strong{color:#17202a;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.admin-file span,.admin-dates span,.admin-empty{color:#607084;font-size:13px}.admin-badge{color:#1769e0;background:#eaf4ff;border-radius:7px;place-items:center;min-height:24px;padding:0 8px;font-weight:700;display:inline-grid}.admin-badge.is-expired{color:#b42318;background:#fff0eb}.topbar{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ebf2f7b8;border:1px solid #ffffffb8;border-radius:8px;grid-template-columns:minmax(220px,1fr) auto;align-items:center;gap:14px 18px;padding:10px 12px;display:grid;box-shadow:inset 0 1px #ffffffd1,0 10px 26px #1e2d3c29}.brand{min-width:0}h1{letter-spacing:0;margin:0;font-size:18px;font-weight:650}p{color:#4f6172;margin:4px 0 0;font-size:12px}.actions{justify-content:flex-end;align-items:center;gap:10px;display:flex}.upload input{opacity:0;pointer-events:none;block-size:1px;inline-size:1px;position:absolute}.upload span,button,select{color:#17202a;background:#e7eef4c7;border:1px solid #788a9a6b;border-radius:6px;min-height:30px;box-shadow:inset 0 1px #ffffffc2,0 1px 2px #1e2d3c1a}.upload span,button{cursor:pointer;place-items:center;padding:0 12px;display:inline-grid}.upload span{color:#fff;background:#1769e0;border-color:#1769e0}button:hover,.upload span:hover{filter:brightness(.97)}.workspace{grid-template-columns:244px minmax(0,1fr);gap:12px;min-height:0;display:grid}.side-panel,.main-stage{min-height:0}.side-panel{scrollbar-width:thin;align-content:start;gap:12px;display:grid;overflow:auto}.main-stage{grid-template-rows:auto minmax(0,1fr);gap:12px;display:grid}.controls{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#e8f0f6ad;border:1px solid #ffffffad;border-radius:8px;grid-template-columns:1fr 1fr;align-items:center;gap:8px;padding:10px;display:grid;box-shadow:inset 0 1px #ffffffc2,0 10px 26px #1e2d3c24}.shell[data-toolbar-collapsed=true] .controls,.shell[data-toolbar-collapsed=true] .share-panel{display:none}.shell[data-toolbar-collapsed=true] .workspace{grid-template-columns:minmax(0,1fr)}.shell[data-toolbar-collapsed=true] .side-panel{display:none}.control-group-title{color:#162331;background:0 0;border-top:1px solid #697d912e;border-radius:0;grid-column:1/-1;min-height:auto;padding:3px 0 2px;font-size:12px;font-weight:700;display:block}.control-group-title:first-child{border-top:0;padding-top:0}.operation-hints{z-index:3;color:#17202aad;pointer-events:none;text-shadow:0 1px 2px #ffffffe6;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;display:flex;position:absolute;top:14px;right:16px}.operation-hints span{background:0 0;border:0;min-height:0;padding:0;display:inline}.axis-gizmo{z-index:4;pointer-events:none;filter:drop-shadow(0 5px 10px #14284647);width:86px;height:86px;display:block;position:absolute;bottom:18px;left:18px}.heatmap-legend{z-index:5;color:#102235;box-shadow:var(--galaxy-inset), 0 10px 24px #2a48662e;pointer-events:none;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f6fafdc7;border:1px solid #4c9ad257;border-radius:8px;grid-template-columns:auto 92px auto;align-items:center;gap:7px;padding:7px 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8px;font-size:12px}.swatch{background:var(--swatch);border:1px solid #ffffffe0;border-radius:6px;width:24px;height:24px;min-height:24px;padding:0;box-shadow:0 0 0 1px #56697c52}.select-control select{width:100%;height:30px;min-height:30px;padding:0 24px 0 8px}.range-control input{accent-color:#1769e0;width:100%}.section-position{grid-column:1/-1;min-width:0}.section-position input{flex:1;min-width:140px}.section-position output{color:#17202a;text-align:right;font-variant-numeric:tabular-nums;min-width:58px}.toggle-control{color:#17202a;cursor:pointer;background:#f8fbfd94;border:1px solid #788a9a57;border-radius:6px;min-height:30px;padding:0 8px}.toggle-control input{accent-color:#1769e0;width:16px;height:16px}.panel-button{width:100%;min-height:30px;padding:0 8px;font-size:12px}.measurement-results{color:#4f6172;background:#f8fbfd94;border:1px solid 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env(safe-area-inset-bottom));z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff5;border:1px solid #d7dee8;border-radius:12px;gap:10px;max-height:min(58dvh,520px);padding:14px;display:none;position:fixed;overflow:auto;box-shadow:0 18px 48px #23314238}.shell[data-toolbar-collapsed=true] .workspace{grid-template-columns:1fr}.shell[data-toolbar-collapsed=true] .side-panel{display:block}.shell[data-mobile-panel=tools] .controls,.shell[data-mobile-panel=measure] .controls{grid-template-columns:1fr 1fr;display:grid}.shell[data-mobile-panel=measure] .model-info:not([hidden]){display:flex}.shell[data-mobile-panel=share] .share-panel:not([hidden]){grid-template-columns:1fr;display:grid}.view-toolbar{justify-content:center;margin:8px 10px;padding:8px}.view-toolbar button{flex:52px;min-width:0}.control-group-title{grid-column:1/-1}.select-control,.color-picker,.range-control,.toggle-control,.panel-button,.control-group-title,.measurement-results,.parts-list{width:100%;min-width:0}.range-control input{width:100%}.section-position{grid-column:1/-1;min-width:0}.viewer-wrap{min-height:0;padding-bottom:calc(54px + env(safe-area-inset-bottom));border:0;border-radius:0}.model-summary{justify-content:flex-start;gap:4px;max-width:calc(100% - 16px);padding:6px;display:flex;inset:8px auto auto 8px;overflow:hidden}.model-summary span,.model-summary strong{min-height:21px;padding:0 5px;font-size:10px}.model-summary strong{text-overflow:ellipsis;max-width:100%;overflow:hidden}.status{left:10px;bottom:calc(68px + env(safe-area-inset-bottom));border-radius:8px;gap:8px;max-width:min(310px,100vw - 20px);padding:8px 10px 8px 8px}.status-assistant{width:40px;height:38px}.assistant-face{border-radius:12px 12px 14px 14px;inset:4px 4px 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