:root{--ink:#354526;--muted:#788064;--paper:#faf8e8;--line:#daddbf;--accent:#4f5c32;color:var(--ink);font-family:'Yuanti SC','STYuanti','Avenir Next','PingFang SC',sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper)}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:9px;min-height:40px;padding:8px 12px;background:#fff;color:var(--ink)}button:focus-visible,input:focus-visible{outline:2px solid #627340;outline-offset:3px}button:disabled{opacity:.45;cursor:wait}button:hover:not(:disabled){background:#f1f1dc}.primary,#export{background:#354526!important;color:white!important}.plain{background:transparent;border-color:transparent;text-decoration:underline;text-underline-offset:4px}.full{width:100%;margin:5px 0}.hint{font-size:12px;line-height:1.8;color:#686868}.note{padding:16px;border:1px solid var(--line);background:#f2f2df;border-radius:12px;margin:20px 0}.note b{font-size:13px}.note p{font-size:12px;line-height:1.85;margin-bottom:0}h3{font-size:17px}#startup{padding:40px;text-align:center}[hidden]{display:none!important}.zl-editor{--zl-ink:#354526;--zl-paper:#faf8e8;--zl-accent:#4f5c32}.zl-header{background:#fffef6!important;border-color:var(--line)!important}.zl-title,.zl-panel-title,.ze-canvas-title{color:#354526!important}.zl-logo{filter:grayscale(1)}.zl-rail,.zl-inspector{background:#fffef6!important;border-color:var(--line)!important}.zl-tool{color:#68745a!important}.zl-tool[aria-selected=true]{background:#e7ebc9!important;color:#3d4a28!important;border-color:#d0d6b8!important}.zl-tool .zb-ui-symbol{color:inherit}.zl-panel-title{font-size:20px}.zl-panel{padding-bottom:20px}.zl-stage{background:var(--paper)!important;overflow:auto}.zl-status{color:#788064!important}.ze-settings-group{border-color:#daddbf!important;margin:0 0 14px!important}.ze-settings-group summary{color:#354526!important;font:700 15px 'Yuanti SC','PingFang SC',sans-serif!important}.ze-settings-group summary::first-letter{color:#788064!important}#upload{width:100%;background:#e7ebc9!important;color:#354526!important}.source-preview{border:1px solid var(--line);border-radius:12px;padding:18px;margin:16px 0;background:white}.source-preview img{width:100%;height:130px;object-fit:contain}.source-preview strong{display:block;margin-top:15px;font-size:13px;overflow-wrap:anywhere}.field{display:block;margin:18px 0;font-size:12px}.field output{float:right;font-variant-numeric:tabular-nums}.field input[type=range]{width:100%;display:block;margin-top:14px;accent-color:#4f5c32;height:18px}.segmented{display:flex;gap:5px;margin:14px 0}.segmented button{flex:1;padding:7px}.segmented button.selected{background:#354526;color:white;border-color:#354526}.number-pair{display:flex;gap:10px}.number-pair label{font-size:12px;width:50%}.number-pair input{width:100%;padding:8px;margin-top:6px;border:1px solid #d0d6b8;border-radius:6px}.swatches{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin:16px 0}.swatches span{display:flex;align-items:center;gap:6px}.swatches i{width:27px;height:27px;border:1px solid #aaa;border-radius:50%;display:inline-block}.reference{height:205px;width:100%;object-fit:contain;background:#f8f8f6;filter:grayscale(1);border-radius:12px}.profile-tag{font-size:11px;border:1px solid #d0d6b8;border-radius:5px;padding:6px 9px;display:inline-block}.specs{margin:16px 0}.specs div{display:flex;justify-content:space-between;border-bottom:1px solid #e4e4e0;padding:10px 0;font-size:12px}.specs dd{margin:0;font-weight:700}.text-link{color:#4f5c32;font-size:12px}#workspace{max-width:1300px;margin:auto;padding:25px 30px;min-width:0}.workspace-top{display:flex;justify-content:space-between;align-items:center;margin:0 0 20px}.eyebrow{font-size:11px;letter-spacing:1.5px;color:#788064;margin:0 0 7px}.workspace-top h2{margin:0;font-size:26px}#view-modes{display:flex;gap:4px}#view-modes button{min-height:38px;color:#6c6c6c;font-size:12px}#view-modes button.selected{background:#e7ebc9;color:#354526;border-color:#bbb}.canvas-shell{border:1px solid var(--line);border-radius:16px;background:white;overflow:hidden}.canvas-caption{height:45px;padding:15px 20px;display:flex;justify-content:space-between;font-size:11px;color:#788064;border-bottom:1px solid #efefeb}#stage{height:calc(100vh - 350px);min-height:390px;max-height:800px;position:relative;background-color:#fffef6;background-image:radial-gradient(#e5e5e0 .6px,transparent .6px);background-size:16px 16px;overflow:hidden}#flat,#solid{width:100%;height:100%;display:block;touch-action:none}#flat{user-select:none}#solid canvas{display:block;width:100%;height:100%;touch-action:none}.stage-footer{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;border-top:1px solid #eee;gap:12px;font-size:11px;color:#788064}#history{display:flex;gap:4px}.ze-history{background:#f2f2df!important;border-color:#daddbf!important}.ze-history button{font-size:11px;min-height:32px;color:#5d684f!important}.result-row{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}.result-row strong{font-size:13px}.result-row p{font-size:12px;color:#788064;margin-bottom:0;line-height:1.7}.result-row button{flex-shrink:0;font-size:12px}.structure-strip{display:flex;gap:25px;flex-wrap:wrap;font-size:10px;color:#788064;margin-top:22px}.part-dot{display:inline-block;width:8px;height:8px;border:1px solid #4f5c32;border-radius:50%;margin-right:5px}.part-dot.locked{background:#aaa;border-color:#788064}.warning{border:1px solid #b7a38b;background:#f4eee4;color:#64503b;font-size:12px;line-height:1.7;padding:12px;margin-top:12px;border-radius:8px}#busy{position:absolute;inset:0;background:#ffffffde;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:5;font-size:13px}#busy p::before{content:'';display:block;margin:0 auto 20px;width:22px;height:22px;border:2px solid #daddbf;border-top-color:#4f5c32;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:13px 22px;max-width:min(90vw,600px);background:#354526;color:white;border-radius:10px;font-size:13px;z-index:20}dialog{width:min(480px,92vw);border:1px solid #daddbf;border-radius:18px;padding:25px;color:#354526}dialog::backdrop{background:#0006}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head h2{font-size:20px}.dialog-head button{font-size:12px}#download-report{font-size:13px;line-height:1.9;padding:15px 0}.section-label{font-size:10px;color:#788064}#cross-section svg{width:100%;height:74px}.art-target{cursor:grab}.art-target:active{cursor:grabbing}.zl-status-row{font-size:11px!important}.zl-back{color:#444!important}@media(max-width:1050px){#workspace{padding:20px 16px}.stage-footer{flex-wrap:wrap}.structure-strip{gap:10px}.canvas-caption{gap:8px}.result-row{align-items:flex-start}}@media(max-width:760px){#workspace{padding:16px 12px 25px}.workspace-top{align-items:flex-start;gap:8px}.workspace-top h2{font-size:23px!important}.eyebrow{font-size:10px}#view-modes button{font-size:11px;padding:7px;min-height:38px}#view-modes .zb-ui-symbol{display:none!important}#stage{height:430px;min-height:320px}.canvas-caption{padding:13px;font-size:10px}.result-row button{font-size:11px;padding:8px}.structure-strip{font-size:10px}.zl-inspector{max-height:65vh}.zl-logo{max-width:48px!important}.zl-title{font-size:21px!important}#backup,#restore{font-size:11px;min-height:36px;padding:7px}#canvas-help{max-width:155px;line-height:1.6}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}
/* Opt-in monochrome theme for this prototype; shared consumers stay unchanged. */
html body .zl-editor[data-editor="pindouwu-needle"]{--zl-ink:#354526;--zl-paper:#faf8e8;--zl-border:#daddbf;color:#354526}
html body .zl-editor[data-editor="pindouwu-needle"] :is(.zl-title,.zl-tool,.zl-panel-title,.zl-panel label,.ze-canvas-title,.ze-header-button,.ze-save-status>span,.result-row strong,.zl-panel-close){color:#354526!important}
html body .zl-editor[data-editor="pindouwu-needle"] .zl-tool[aria-selected=true]{background:#e7ebc9!important;border-color:#daddbf!important}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-header-button{border-color:#bbb!important}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-primary-button{color:white!important;border-color:#354526!important}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-view-modes{margin:0;background:#fff}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-view-modes button{color:#68745a!important}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-view-modes button[aria-pressed=true]{background:#4f5c32!important;color:white!important}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-history{position:static!important;inset:auto!important;flex-shrink:0}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-history button{color:#5d684f!important}
html body .zl-editor[data-editor="pindouwu-needle"] .ze-add-content{background:#e7ebc9!important;color:#354526!important}
html body .zl-editor[data-editor="pindouwu-needle"] .zl-logo{display:none}
@media(max-width:760px){html body .zl-editor[data-editor="pindouwu-needle"] .ze-history button{min-width:65px!important}}

/* User-selected cream pomelo green, scoped to this local workshop. */
html body .zl-editor[data-editor="pindouwu-needle"] .zl-tool[aria-selected=true]{background:#CAD276!important;border-color:#bcc67e!important}
html body .zl-editor[data-editor="pindouwu-needle"] .zl-header{background:#FAF8E8!important}
#flip-model{padding:3px 8px;min-height:27px;font-size:11px;flex-shrink:0;background:#e7ebc9;color:#4f5c32;border-color:#d0d6b8}
.canvas-caption{height:auto;min-height:45px;align-items:center;flex-wrap:wrap;gap:8px}
#download-report{white-space:pre-line}
/* Video-reference shovel kit, local candidate only. */
.check-field{display:flex;align-items:center;gap:8px;font-size:12px;margin:16px 0;line-height:1.6}.check-field input{accent-color:#4f5c32;width:17px;height:17px;flex-shrink:0}.field>input:not([type=range]),.field select{width:100%;display:block;border:1px solid #d0d6b8;padding:9px;border-radius:7px;background:#fffef6;margin-top:8px}.number-pair .check-field{width:auto;flex:1}.number-pair input:disabled{background:#f1f1e9;color:#7e856e}#kit-views{margin:0 0 12px;flex-wrap:wrap}#kit-views button{flex:initial;font-size:12px;min-height:34px}#kit-views #face{margin-left:auto}#logo-preview{overflow-wrap:anywhere;padding:12px;background:#f1f2e1;border-radius:8px}.zl-panel .segmented button{font-size:12px}.zf-dialog{z-index:50}@media(max-width:760px){#kit-views{gap:4px}#kit-views button{padding:6px 8px;font-size:11px}#kit-views #face{margin-left:0}.number-pair{gap:8px}.zl-tool{padding-left:5px!important;padding-right:5px!important}}