:root{--sizer-primary: #6a57e7;--sizer-accent: #ffd600;--sizer-sky-blue: #5d49de;--sizer-soft-blue: #5d49de;--sizer-light-turquoise: #27d37f;--sizer-text-heading: #29119b;--sizer-text-body: #39337d;--sizer-text-muted: #4d4d4d;--sizer-white: #ffffff;--sizer-bg: #ffffff;--sizer-bg-subtle: #eceaf8;--sizer-surface: #ffffff;--sizer-border: #c5bbdb;--sizer-border-light: #e8e5f0;--sizer-overlay: rgba(41, 17, 155, .65);--sizer-error: #eb5757;--sizer-font-heading: "Poppins", system-ui, sans-serif;--sizer-font-body: "DM Sans", system-ui, sans-serif;--sizer-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--sizer-radius: 12px;--sizer-radius-pill: 999px;--sizer-shadow: 0 12px 32px rgba(41, 17, 155, .08)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--sizer-bg);color:var(--sizer-text-body);font-family:var(--sizer-font-body);font-size:14px}#app{display:flex;flex-direction:column;height:100%;min-height:100vh}#app-header{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding:.85rem 1.5rem;background:#ffffffeb;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--sizer-border-light);z-index:5}.brand{min-width:0;flex:0 1 320px}.brand__eyebrow{margin:0 0 .15rem;font-family:var(--sizer-font-heading);font-weight:700;font-size:.95rem;color:var(--sizer-text-heading)}.brand__ai{color:var(--sizer-primary)}.brand h1{margin:0;font-family:var(--sizer-font-heading);font-size:clamp(1.35rem,2vw,1.85rem);font-weight:700;color:var(--sizer-text-heading);line-height:1.15}.brand__sub{margin:.35rem 0 0;color:var(--sizer-text-muted);font-size:.92rem;line-height:1.45;max-width:28rem}.header-tools{display:flex;flex-direction:column;align-items:stretch;gap:.35rem;min-width:0;flex:1 1 560px}.widget-links{display:flex;justify-content:flex-end;gap:1rem}.text-link{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;padding:0;background:none;color:var(--sizer-primary);font:inherit;font-size:.82rem;font-weight:600;text-decoration:underline;cursor:pointer}.text-link:hover{color:var(--sizer-sky-blue)}#sizer-widget-mount{width:100%}#sizer-widget-mount .sizer-banner{margin-bottom:0;padding:.55rem .9rem;box-shadow:none}.header-input{width:100%;display:grid}.header-input>*{grid-area:1 / 1}.header-input>[hidden]{visibility:hidden;pointer-events:none}#sizer-widget-mount[hidden]{display:block!important}.manual-form[hidden]{display:flex!important}.manual-form{width:100%;display:flex;align-items:center;gap:.75rem;background:var(--sizer-bg-subtle);border:1px solid var(--sizer-border);border-radius:var(--sizer-radius);padding:.45rem .7rem}.manual-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.45rem .7rem;flex:1;min-width:0;margin:0}.manual-form label{display:flex;flex-direction:row;align-items:center;gap:.4rem;font-size:.72rem;font-weight:600;color:var(--sizer-text-muted);white-space:nowrap}.manual-form input{border:1px solid var(--sizer-border);border-radius:8px;padding:.4rem .5rem;font:inherit;color:var(--sizer-text-body);background:var(--sizer-white);min-width:0;width:100%}.manual-form .btn{flex:0 0 auto;margin:0;padding:.45rem 1rem}#workspace{display:grid;grid-template-columns:320px 1fr;min-height:0;flex:1}#toolbox{display:flex;flex-direction:column;min-height:0;background:var(--sizer-bg-subtle);border-right:1px solid var(--sizer-border-light);padding:.85rem .9rem 1rem}.export-row{width:100%}.export-row .btn{flex:1;margin-top:0}#shoe-pane{flex:1;overflow:auto;min-height:0;padding-right:.15rem}.tech-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin-top:.65rem;padding:.35rem 0;border:0;background:none;color:var(--sizer-text-muted);font:inherit;font-size:.72rem;letter-spacing:.04em;text-transform:uppercase;text-decoration:underline;text-underline-offset:3px;opacity:.7;cursor:pointer;align-self:flex-start}.tech-btn:hover{opacity:1;color:var(--sizer-primary)}.muted{color:var(--sizer-text-muted)}.pane[hidden]{display:none!important}.card{background:var(--sizer-surface);border:1px solid var(--sizer-border-light);border-radius:10px;padding:10px 10px 8px;margin:10px 0;box-shadow:var(--sizer-shadow)}.card h2,.card h3{margin:0 0 8px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--sizer-text-muted);font-family:var(--sizer-font-heading)}.card h3{margin-top:10px}.hint{margin:8px 0 12px;color:var(--sizer-text-muted);font-size:12px;line-height:1.45}.slider-row{display:grid;grid-template-columns:72px 1fr 48px;gap:8px;align-items:center;margin:5px 0}.slider-stack{display:flex;flex-direction:column;gap:4px;margin:10px 0}.slider-head{display:flex;align-items:center;gap:6px;min-height:18px}.slider-name{font-size:12px;color:var(--sizer-text-body)}.slider-stack .slider-name{flex:1;min-width:0;font-weight:600;line-height:1.3}.slider-info{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:0 0 18px;width:18px;height:18px;padding:0;border-radius:50%;border:1px solid var(--sizer-border);background:var(--sizer-white);color:var(--sizer-text-muted);font:650 11px/1 var(--sizer-font-body);cursor:pointer}.slider-info:hover,.slider-stack.is-open .slider-info{color:var(--sizer-primary);border-color:var(--sizer-primary)}.slider-tip{display:none;margin:0;padding:8px 10px;font-size:11px;line-height:1.45;color:var(--sizer-text-body);background:var(--sizer-bg-subtle);border:1px solid var(--sizer-border-light);border-radius:8px}.slider-stack.is-open .slider-tip{display:block}.slider-track{display:grid;grid-template-columns:1fr 48px;gap:8px;align-items:center}.slider-val{font-family:var(--sizer-font-mono);font-size:11px;color:var(--sizer-text-muted);text-align:right}input[type=range]{width:100%;accent-color:var(--sizer-primary)}.slider-row.is-readonly{opacity:.7;pointer-events:none}.bone-list{display:flex;flex-direction:column;max-height:220px;overflow:auto}.bone-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--sizer-text-body);text-align:left;padding:5px 8px;border-radius:6px;cursor:pointer;font:inherit}.bone-item:hover{background:#e4e0f4}.bone-item.selected{background:#ddd7f6;color:var(--sizer-primary);font-weight:600}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:var(--sizer-primary);color:var(--sizer-white);border-radius:var(--sizer-radius-pill);padding:8px 14px;font:inherit;font-weight:700;cursor:pointer}.btn.ghost{border:1px solid var(--sizer-border);background:var(--sizer-white);color:var(--sizer-text-heading)}.btn.wide{width:100%;margin-top:8px}.btn:disabled{opacity:.45;cursor:default}.btn-row{display:flex;flex-wrap:wrap;gap:8px}.check-row{display:flex;flex-wrap:wrap;gap:8px 12px}.check{display:inline-flex;align-items:center;gap:5px;font-size:12px;cursor:pointer;-webkit-user-select:none;user-select:none}.mode-switch{display:inline-flex;align-items:center;gap:8px}.mode-switch-label{font-size:12px;font-weight:600;color:var(--sizer-text-body)}.mode-switch-group{display:inline-flex;border:1px solid var(--sizer-border);border-radius:var(--sizer-radius-pill);overflow:hidden;background:var(--sizer-white)}.mode-opt{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--sizer-text-muted);padding:4px 10px;font:inherit;font-size:12px;font-weight:600;cursor:pointer}.mode-opt+.mode-opt{border-left:1px solid var(--sizer-border-light)}.mode-opt.active{background:var(--sizer-primary);color:var(--sizer-white)}.mode-switch.in-card{margin:2px 0 8px}.color-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:0 0 10px}.color-swatch{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:flex;align-items:center;gap:8px;width:100%;padding:6px 8px;border-radius:8px;border:1px solid var(--sizer-border-light);background:var(--sizer-white);color:var(--sizer-text-body);font:inherit;font-size:11px;cursor:pointer;text-align:left}.color-swatch:before{content:"";flex:0 0 18px;width:18px;height:18px;border-radius:50%;background:var(--swatch);box-shadow:inset 0 0 0 1px #0000001f}.color-swatch.active{border-color:var(--sizer-primary);background:#efeafc;color:var(--sizer-primary);font-weight:600}.metric-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--sizer-text-muted)}.metric-value{font-family:var(--sizer-font-mono);font-size:16px;margin:4px 0 6px;color:var(--sizer-text-heading)}#viewport{position:relative;min-width:0;min-height:0;display:flex;flex-direction:column;background:#f4f2fb}#canvas-host{flex:1;position:relative;min-height:0}#canvas-host canvas{display:block;width:100%;height:100%}.label-layer{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.kp-label{color:var(--sizer-text-heading);font-size:10px;letter-spacing:.02em;text-shadow:0 1px 2px #fff;white-space:nowrap;transform:translate(8px,-10px)}#hud{position:absolute;z-index:2;left:12px;bottom:12px;display:flex;align-items:center;gap:.75rem;font-size:12px;color:var(--sizer-text-muted);background:#ffffffeb;border:1px solid var(--sizer-border-light);border-radius:8px;padding:6px 10px;box-shadow:var(--sizer-shadow)}#hud[hidden]{display:none!important}.hud-msg.is-error{color:var(--sizer-error)}.hud-ms{font-family:var(--sizer-font-mono);color:var(--sizer-text-heading)}#busy{position:absolute;top:0;right:0;bottom:0;left:0;z-index:3;display:grid;place-items:center;justify-items:center;gap:.65rem;background:#ffffff7a;color:var(--sizer-text-heading);font-weight:600;pointer-events:none}#busy[hidden]{display:none!important}.busy-spinner{width:36px;height:36px;border:3px solid var(--sizer-border);border-top-color:var(--sizer-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#loader{position:absolute;top:0;right:0;bottom:0;left:0;z-index:4;display:grid;place-items:center;background:#f4f2fbf5;font-size:15px;color:var(--sizer-text-heading)}#loader[hidden]{display:none!important}#loader.error{color:var(--sizer-error);padding:24px;text-align:center}.tabs{display:flex;gap:6px;padding:12px 1.15rem 8px}.tabs-side{width:100%;padding-bottom:0}.tabs-side .tab{flex:1 1 0;text-align:center}.tabs-inner{padding:10px 0 8px}.tech-side[hidden]{display:none!important}.tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--sizer-border-light);background:var(--sizer-white);color:var(--sizer-text-muted);padding:6px 10px;border-radius:var(--sizer-radius-pill);cursor:pointer;font:inherit;font-size:12px;font-weight:600}.tab.active{color:var(--sizer-white);border-color:var(--sizer-primary);background:var(--sizer-primary)}.tech-dialog{width:min(440px,calc(100vw - 2rem));max-height:min(86vh,760px);border:1px solid var(--sizer-border-light);border-radius:16px;padding:0;background:var(--sizer-bg);color:var(--sizer-text-body);box-shadow:0 24px 64px #29119b2e}.tech-dialog::backdrop{background:var(--sizer-overlay)}.tech-dialog__head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;padding:1.1rem 1.15rem 0}.tech-dialog__head h2{margin:0;font-family:var(--sizer-font-heading);font-size:1.05rem;color:var(--sizer-text-heading)}.tech-dialog .hint{margin:.35rem 0 0}.tech-close{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:none;color:var(--sizer-text-muted);font-size:1.4rem;line-height:1;cursor:pointer;padding:0 .15rem}#tech-body{padding:.25rem 1.25rem 1.4rem;overflow:auto;max-height:calc(86vh - 8rem)}.tech-dialog .pane{padding-top:.15rem}.tech-dialog .pane>.hint{margin:0 0 .85rem}.tech-dialog .card{padding:14px 16px 16px;margin:0 0 14px}.tech-dialog .card h2,.tech-dialog .card h3{margin-bottom:10px}.tech-dialog .card h3{margin-top:14px}.tech-dialog .card>.mode-switch{display:flex;width:100%;align-items:center;gap:12px;margin:10px 0}.tech-dialog .card>.mode-switch:first-of-type{margin-top:4px}.tech-dialog .card>.mode-switch .mode-switch-group{display:flex;flex:1;min-width:0}.tech-dialog .card>.mode-switch .mode-opt{flex:1 1 0;text-align:center}.tech-dialog .slider-row,.tech-dialog .slider-stack{margin:8px 0}.tech-dialog .bone-list{margin-top:4px}.tech-dialog .check-row{padding:2px 0 4px}.tech-dialog .btn-row{margin-top:2px}@media(max-width:980px){#app-header{flex-direction:column;align-items:stretch}.header-tools{align-items:stretch}#sizer-widget-mount,.manual-form,.header-input{width:100%}.manual-form{flex-wrap:wrap}.manual-grid{grid-template-columns:1fr 1fr;width:100%}}@media(max-width:860px){#workspace{grid-template-columns:1fr;grid-template-rows:38vh 1fr}#toolbox{border-right:0;border-bottom:1px solid var(--sizer-border-light)}}