@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;650;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap";:root{--font-sans:"Inter", "SF Pro Text", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;--font-display:"Inter", "SF Pro Display", "PingFang SC", system-ui, sans-serif;--text-strong:#17211c;--text:#344139;--text-muted:#536159;--text-faint:#6d7972;--canvas:#f1f3ef;--surface:#fff;--surface-soft:#f7f8f5;--surface-strong:#e8ece7;--line:#dce2dc;--line-strong:#cbd4cc;--brand-950:#0b2e22;--brand-900:#103d2d;--brand-700:#246b4e;--brand-500:#3e9770;--brand-100:#e2f0e8;--accent:#d6f34d;--success:#26865f;--success-soft:#e6f4eb;--warning:#9a681a;--warning-soft:#fff3d7;--danger:#b64036;--danger-soft:#fbe9e7;--info:#466b9c;--info-soft:#eaf0f8;--shadow-sm:0 1px 2px #14261c0d;--shadow-md:0 12px 34px #14261c14;--shadow-lg:0 28px 80px #0f241829;--radius-xs:6px;--radius-sm:9px;--radius-md:14px;--radius-lg:20px;--radius-xl:26px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--focus:0 0 0 3px #3e977038}*{box-sizing:border-box}html{background:var(--canvas)}body{min-width:320px;min-height:100vh;color:var(--text);background:var(--canvas);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0}button,input,select,textarea{color:inherit;font:inherit}button,summary,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{box-shadow:var(--focus);outline:0}button:disabled{cursor:not-allowed;opacity:.45}.shell{width:min(1780px,100%);padding:0 var(--space-6) 108px;margin:0 auto}.app-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#f1f3efe6;border-bottom:1px solid #cbd4cccc;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;display:grid;position:sticky;top:0}.brand{color:var(--text-strong);align-items:center;gap:10px;display:flex}.brand-mark{width:34px;height:34px;color:var(--accent);background:var(--brand-950);border-radius:10px;place-items:center;font-weight:700;display:grid}.brand>span:last-child{display:grid}.brand strong{letter-spacing:-.02em;font-size:15px}.brand small{color:var(--text-muted);letter-spacing:.04em;font-size:10px}.app-header nav{border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#ffffffb3;border-radius:12px;align-items:center;gap:4px;padding:4px;display:flex}.app-header nav button{min-height:34px;color:var(--text-muted);background:0 0;border:0;border-radius:8px;padding:0 14px;font-size:11px;font-weight:600}.app-header nav button:hover:not(:disabled){color:var(--text-strong);background:var(--surface)}.app-header nav .nav-primary{color:#fff;background:var(--brand-900)}.header-context{justify-content:flex-end;align-items:center;gap:14px;display:flex}.quote-reference{justify-items:end;display:grid}.quote-reference strong{color:var(--text-strong);font-variant-numeric:tabular-nums;font-size:10px}.quote-reference small{color:var(--text-muted);font-size:9px}.system-health{margin:0;position:relative}.system-health summary{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;align-items:center;gap:7px;padding:8px 11px;font-size:10px;font-weight:600;list-style:none;display:flex}.system-health summary::-webkit-details-marker{display:none}.system-health summary i{background:var(--danger);border-radius:50%;width:7px;height:7px}.system-health summary i.healthy{background:var(--success);box-shadow:0 0 0 4px var(--success-soft)}.system-health>div{z-index:60;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);width:240px;box-shadow:var(--shadow-lg);gap:10px;padding:16px;display:grid;position:absolute;top:42px;right:0}.system-health>div>strong{color:var(--text-strong);font-size:12px}.system-health>div span{color:var(--text-muted);justify-content:space-between;font-size:10px;display:flex}.system-health>div b{font-size:9px}.system-health>div b.ready{color:var(--success)}.system-health>div b.not-ready{color:var(--danger)}.system-health>div small{color:var(--text-faint);font-size:8px;line-height:1.5}.workspace-heading{justify-content:space-between;align-items:center;gap:var(--space-8);min-height:108px;padding:var(--space-5) 4px var(--space-4);display:flex}.workspace-heading h1{color:var(--text-strong);font-family:var(--font-display);letter-spacing:-.045em;margin:3px 0 5px;font-size:clamp(23px,2.2vw,32px);font-weight:650}.workspace-heading p{color:var(--text-muted);margin:0;font-size:12px}.eyebrow{letter-spacing:.18em;font-weight:700;color:var(--brand-700)!important;margin:0!important;font-size:9px!important}.workspace-status{border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:999px;align-items:center;gap:8px;padding:9px 13px;font-size:10px;font-weight:600;display:flex}.workspace-status i{background:var(--text-faint);border-radius:50%;width:7px;height:7px}.workspace-status.complete i{background:var(--success);box-shadow:0 0 0 4px var(--success-soft)}.workspace-status.failed i,.workspace-status.stale i{background:var(--danger)}.workspace-status.created i,.workspace-status.cad_queued i,.workspace-status.cad_running i,.workspace-status.engineering_ready i,.workspace-status.price_running i{background:#d3972c;animation:1.5s infinite pulse}@keyframes pulse{50%{box-shadow:0 0 0 5px var(--warning-soft)}}.status-rail{justify-content:center;align-items:center;height:38px;margin-bottom:12px;display:flex}.status-rail>div{color:var(--text-faint);align-items:center;display:flex}.status-rail span{border:1px solid var(--line-strong);background:var(--surface-soft);border-radius:50%;place-items:center;width:20px;height:20px;font-size:8px;display:grid}.status-rail strong{margin-left:7px;font-size:10px;font-weight:650}.status-rail i{background:var(--line);width:clamp(34px,5vw,76px);height:1px;margin:0 10px}.status-rail .done{color:var(--brand-700)}.status-rail .done span{color:#fff;border-color:var(--brand-500);background:var(--brand-500)}.status-rail .done i{background:#9bcbb5}.workspace-grid{border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--surface);min-height:760px;box-shadow:var(--shadow-md);grid-template-columns:minmax(280px,25fr) minmax(600px,50fr) minmax(300px,25fr);display:grid;overflow:clip}.panel{min-width:0;padding:26px}.panel+.panel{border-left:1px solid var(--line)}.requirement-panel{background:var(--surface)}.engineering-panel{background:var(--surface-soft);padding:26px 30px 30px}.quote-panel{background:var(--surface)}.panel-title{align-items:flex-start;gap:12px;margin-bottom:20px;display:flex}.panel-title>span{color:var(--brand-500);padding-top:4px;font-size:9px;font-weight:700}.panel-title h2{color:var(--text-strong);letter-spacing:-.02em;margin:0;font-size:15px}.panel-title p{color:var(--text-faint);margin:3px 0 0;font-size:9px}.edit-notice{color:var(--text-muted);margin:9px 2px -4px;font-size:8px;line-height:1.5}.requirement-summary{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);margin-top:14px;padding:16px}.summary-top{justify-content:space-between;align-items:center;display:flex}.source{color:var(--info);background:var(--info-soft);border-radius:999px;padding:4px 7px;font-size:8px;font-weight:600}.source.confirmed{color:var(--success);background:var(--success-soft)}.summary-top button{color:var(--brand-700);background:0 0;border:0;padding:2px;font-size:9px;font-weight:600}.requirement-summary h3{color:var(--text-strong);margin:17px 0 3px;font-size:18px}.requirement-summary>strong{color:var(--text-strong);font-variant-numeric:tabular-nums;font-size:14px;display:block}.summary-meta{flex-wrap:wrap;gap:7px;margin-top:13px;display:flex}.summary-meta span{background:var(--surface-strong);border-radius:7px;padding:6px 8px;font-size:9px;font-weight:600}.requirement-summary p{color:var(--text-muted);margin:12px 0 0;font-size:9px;line-height:1.55}.parameter-editor{border-radius:var(--radius-md);background:var(--surface-soft);gap:7px;margin-top:10px;padding:10px;animation:.18s ease-out reveal;display:grid}@keyframes reveal{0%{opacity:0;transform:translateY(-5px)}}.field{border:1px solid var(--line);background:var(--surface);border-radius:8px;grid-template-columns:76px 1fr;align-items:center;min-height:40px;padding:0 10px;display:grid;position:relative}.field:before{content:"";background:var(--brand-500);width:2px;position:absolute;inset:11px auto 11px 0}.field>span{color:var(--text-muted);font-size:10px;font-weight:500}.field input,.field select,.field textarea{background:0 0;border:0;outline:0;width:100%;font-size:11px;font-weight:600}.field input,.field select{text-align:right}.dimensions{grid-template-columns:repeat(3,1fr);gap:5px;display:grid}.dimensions .field{padding:7px;display:block}.dimensions .field>span{display:block}.dimensions .field input{text-align:left;margin-top:2px}.process-input{border-top:1px solid var(--line);grid-column:1/-1;padding-top:10px}.process-input>span{color:var(--text);margin-bottom:8px;font-size:9px;font-weight:700;display:block}.process-chips,.preset-actions{flex-wrap:wrap;gap:6px;display:flex}.process-chips button,.preset-actions button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 9px;font-size:8px}.process-chips button.selected{border-color:var(--brand-700);color:#fff;background:var(--brand-700)}.process-chips button[title*=尚无]{color:var(--warning);background:var(--warning-soft);border-style:dashed;border-color:#d4ad65}.manual-amount-input{color:var(--brand-700);align-items:center;gap:8px;font-weight:700;display:flex}.manual-amount-input input{flex:1}.product-type-switch{gap:8px;margin-bottom:10px;display:flex}.product-type-switch button{border:1px solid var(--line);background:var(--surface);color:var(--text-muted);border-radius:10px;flex:1;padding:10px 12px;font-weight:700}.product-type-switch button.selected{border-color:var(--brand-700);background:var(--brand-700);color:#fff}.static-structure{cursor:default}.paper-bag-costs{border:1px solid var(--line);background:var(--surface-soft);border-radius:12px;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px;padding:12px;display:grid}.paper-bag-costs h4{color:var(--text);grid-column:1/-1;margin:0;font-size:11px}.paper-bag-costs .manual-cost-error{grid-column:1/-1}@media (width<=760px){.paper-bag-costs{grid-template-columns:1fr}}.manual-cost-error{font-weight:700;color:#a33b2b!important}.cost-list span small{color:#705400;background:#fff2cf;border-radius:999px;margin-left:7px;padding:2px 6px;font-size:10px}.preset-actions{margin-top:8px}.preset-actions button{color:var(--brand-700);background:var(--brand-100);border-radius:7px;font-weight:600}.requirement-actions{grid-template-columns:1fr 1.55fr;gap:8px;margin-top:16px;display:grid}.secondary,.primary{border-radius:9px;min-height:42px;padding:0 12px;font-size:9px;font-weight:700}.secondary{border:1px solid var(--line);background:var(--surface)}.primary{color:#fff;background:var(--brand-900);border:0;justify-content:space-between;align-items:center;display:flex;box-shadow:0 8px 18px #103d2d29}.primary span{color:var(--accent)}.engineering-stage{gap:7px;margin:-2px 0 13px;display:flex}.engineering-stage span{color:var(--text-muted);background:#e9efea;border-radius:999px;padding:5px 8px;font-size:8px}.engineering-stage b{color:var(--success)}.preview-card{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);box-shadow:var(--shadow-sm);margin:0 0 12px;overflow:hidden}.preview-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;min-height:50px;padding:10px 13px;display:flex}.preview-head span{color:var(--text-strong);font-size:11px;font-weight:700;display:block}.preview-head small{color:var(--text-muted);margin-top:2px;font-size:8px;display:block}.preview-actions,.layout-kpis{align-items:center;gap:7px;display:flex}.preview-actions button,.layout-kpis button{border:1px solid var(--line);color:var(--brand-700);background:var(--surface);border-radius:7px;padding:6px 8px;font-size:8px}.preview-actions a{color:var(--brand-700);font-size:8px;text-decoration:none}.layout-kpis strong{color:var(--brand-700);font-variant-numeric:tabular-nums;font-size:10px}.layout-kpis>span{color:var(--text-muted);font-size:8px}.preview-button{cursor:zoom-in;background:0 0;border:0;width:100%;padding:0;display:block}.preview-button img{object-fit:contain;background:linear-gradient(145deg,#fdfefd,#f0f4ef);width:100%;height:282px;padding:14px;display:block}.preview-card.layout .preview-button img{height:238px}.improvement{color:var(--brand-700);background:var(--success-soft);border-radius:9px;align-items:center;margin:0 0 10px;padding:10px 11px;font-size:9px;font-weight:700;display:flex}.improvement>span{color:#fff;background:var(--success);border-radius:50%;place-items:center;width:18px;height:18px;margin-right:7px;display:grid}.production-flow{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);grid-template-columns:repeat(5,minmax(0,1fr));margin:12px 0 10px;padding:13px;display:grid}.flow-step{min-width:0;padding:2px 18px 2px 10px;position:relative}.flow-step span,.flow-step strong{display:block}.flow-step span{color:var(--text-faint);font-size:13px;line-height:1.4}.flow-step strong{overflow-wrap:anywhere;color:var(--text-strong);font-variant-numeric:tabular-nums;margin-top:5px;font-size:15px;line-height:1.35}.flow-step i{color:var(--brand-500);font-style:normal;position:absolute;top:13px;right:3px}.engineering-metrics{grid-template-columns:repeat(3,1fr);gap:7px;display:grid}.engineering-metrics>div{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:9px 10px}.engineering-metrics span,.engineering-metrics strong{display:block}.engineering-metrics span{color:var(--text-faint);font-size:8px}.engineering-metrics strong{color:var(--text);font-variant-numeric:tabular-nums;margin-top:4px;font-size:9px}.press-explanation{color:#496557;background:#edf5ef;border-radius:7px;margin:9px 0 0;padding:8px 10px;font-size:8px;line-height:1.5}details{margin-top:11px}summary{color:var(--text-muted);cursor:pointer;font-size:9px}.detail-grid{background:#eef1ed;border-radius:8px;gap:5px;margin-top:8px;padding:9px;display:grid}.detail-grid code{color:var(--text-muted);text-overflow:ellipsis;font-size:8px;overflow:hidden}.layout-comparison>summary,.cost-details>summary{font-size:14px;line-height:1.45}.layout-comparison .detail-grid{gap:8px;margin-top:10px;padding:11px}.layout-comparison .detail-grid code{overflow-wrap:anywhere;text-overflow:clip;font-size:13px;overflow:visible}.layout-comparison code{background:var(--surface);white-space:normal;border-radius:7px;padding:11px 12px;line-height:1.65;display:block}.layout-comparison code.selected-option{color:var(--brand-700);background:var(--success-soft);font-weight:700}.quote-empty,.engineering-empty,.failure{text-align:center;min-height:500px;color:var(--text-faint);place-content:center;justify-items:center;display:grid}.quote-empty>span{opacity:.2;font-size:42px}.quote-empty h3,.engineering-empty h3,.failure h3{color:var(--text);margin:8px 0 4px;font-size:13px}.quote-empty p,.engineering-empty p,.failure p{max-width:220px;margin:0;font-size:9px;line-height:1.6}.blueprint{background:repeating-linear-gradient(0deg,#0000 0 14px,#e1e7e2 15px),repeating-linear-gradient(90deg,#0000 0 14px,#e1e7e2 15px);border:1px dashed #a9b8ae;border-radius:9px;width:95px;height:76px;position:relative}.blueprint.active{animation:1.4s infinite alternate blueprint}@keyframes blueprint{to{border-color:var(--brand-500);box-shadow:var(--focus)}}.price-hero{border-bottom:1px solid var(--line);padding:4px 0 24px}.formal-badge{color:var(--brand-700);background:var(--success-soft);border-radius:999px;margin-bottom:17px;padding:5px 8px;font-size:8px;font-weight:700;display:inline-block}.price-hero>div{color:var(--brand-950);letter-spacing:-.06em;font-variant-numeric:tabular-nums;font-size:clamp(38px,3.2vw,52px);font-weight:650;line-height:1}.price-hero>div span{margin-right:4px;font-size:20px}.price-hero>div small{color:var(--text-muted);letter-spacing:0;margin-left:5px;font-size:9px}.price-hero>strong{color:var(--text-strong);font-variant-numeric:tabular-nums;margin-top:20px;font-size:22px;display:block}.price-hero>small{color:var(--text-muted);font-size:9px}.cost-summary{padding:18px 0 8px}.cost-summary h3{color:var(--text-strong);margin:0 0 13px;font-size:10px}.cost-summary>div,.cost-list>div{color:var(--text-muted);justify-content:space-between;gap:12px;margin:11px 0;font-size:14px;line-height:1.45;display:flex}.cost-summary strong,.cost-list strong{color:var(--text);font-variant-numeric:tabular-nums;font-size:15px}.cost-details{border:1px solid var(--line);border-radius:8px;margin:6px 0 15px;padding:12px 13px}.cost-list{padding:4px 0}.cost-list hr{background:var(--line);border:0;height:1px;margin:12px 0}.pricing-policy{background:var(--surface-soft);border-radius:8px;align-items:center;padding:8px 10px}.pricing-policy label{color:var(--text-muted);align-items:center;gap:8px;display:flex}.pricing-policy label span{align-items:center;gap:3px;display:inline-flex}.pricing-policy input{border:1px solid var(--line);background:var(--surface);width:62px;font:inherit;font-variant-numeric:tabular-nums;border-radius:6px;padding:5px 7px}.pricing-policy button{border:1px solid var(--line);color:var(--brand-700);background:var(--surface);border-radius:6px;margin-left:auto;padding:5px 9px}.pricing-policy .pricing-policy-save{min-width:112px}.cost-section{background:var(--surface-soft);border-radius:8px;margin:12px 0;padding:13px}.cost-section>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding-bottom:9px;display:flex}.cost-section>header strong{color:var(--text-strong);font-size:15px}.cost-section>header b{color:var(--text);font-variant-numeric:tabular-nums;font-size:16px}.cost-line{justify-content:space-between;align-items:center;gap:14px;margin-top:10px;display:flex}.cost-line>span{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.cost-line span b{color:var(--text);font-size:14px}.cost-line span em{color:var(--text-muted);font-size:13px;font-style:normal;line-height:1.45}.authority{background:#f0f7f2;border:1px solid #d4e6db;border-radius:10px;align-items:center;gap:10px;padding:12px;display:flex}.verified-icon{color:#fff;background:var(--success);border-radius:50%;place-items:center;width:28px;height:28px;display:grid}.authority div span,.authority div strong,.authority div small{display:block}.authority div span{color:#6e8779;font-size:7px}.authority div strong{color:var(--text-strong);font-size:10px}.authority div small{color:var(--text-muted);font-size:8px}.revision-notice{color:var(--warning);background:var(--warning-soft);border-radius:9px;margin-bottom:10px;padding:10px 13px;font-size:9px}.revision-timeline,.document-history{border-top:1px solid var(--line);margin-top:18px;padding-top:15px}.timeline-head{justify-content:space-between;align-items:center;margin-bottom:7px;display:flex}.timeline-head h3,.document-history h3{color:var(--text-strong);margin:0;font-size:10px}.timeline-head button{color:var(--brand-700);background:0 0;border:0;padding:0;font-size:8px}.revision-timeline>button{border:1px solid var(--line);background:var(--surface);text-align:left;border-radius:9px;justify-content:space-between;align-items:center;width:100%;margin:5px 0;padding:10px 9px 10px 14px;display:flex;position:relative}.revision-timeline>button:before{content:"";background:var(--line-strong);border-radius:4px;width:3px;height:18px;position:absolute;left:5px}.revision-timeline>button.current{background:var(--success-soft);border-color:#9ac8b2}.revision-timeline>button.current:before{background:var(--success)}.revision-timeline button span,.revision-timeline button small{display:block}.revision-timeline button span{font-size:9px;font-weight:700}.revision-timeline button small{color:var(--text-faint);margin-top:2px;font-size:7px}.revision-timeline button strong{color:var(--brand-700);font-size:9px}.document-history>div{background:var(--surface-soft);border-radius:9px;gap:6px;margin-top:8px;padding:10px;display:grid}.document-history span{align-items:center;gap:8px;font-size:8px;display:flex}.document-history a{color:var(--brand-700);font-weight:700}.quote-action-bar{z-index:45;color:#fff;width:min(1120px,100% - 48px);box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#0b2e22f5;border:1px solid #ffffff29;border-radius:16px;justify-content:space-between;align-items:center;gap:20px;padding:11px 12px 11px 18px;display:flex;position:fixed;bottom:18px;left:50%;transform:translate(-50%)}.quote-action-bar>div:first-child{display:grid}.quote-action-bar strong{font-size:15px}.quote-action-bar span{color:#aac2b6;margin-top:3px;font-size:13px}.quote-action-bar>div:last-child{gap:7px;display:flex}.quote-action-bar button{color:#fff;background:#ffffff14;border:1px solid #fff3;border-radius:9px;min-height:42px;padding:0 14px;font-size:13px;font-weight:700}.quote-action-bar button:hover{background:#ffffff26}.quote-action-bar button small{color:#b7cbc1;font-size:12px;display:block}.quote-action-bar .internal-export{color:var(--brand-950);background:var(--accent);border-color:var(--accent)}.quote-action-bar .internal-export small{color:#4c641e}.quote-action-bar .customer-export{color:var(--brand-950);background:#fff}.quote-action-bar .customer-export small{color:var(--text-muted)}.drawer-backdrop{z-index:90;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0819107a;justify-content:flex-end;display:flex;position:fixed;inset:0}.history-drawer,.compare-panel,.formal-drawer{background:var(--surface-soft);width:min(520px,94vw);height:100%;box-shadow:var(--shadow-lg);padding:28px;overflow:auto}.formal-drawer{background:var(--surface);width:min(760px,96vw)}.history-drawer header,.compare-panel header,.formal-drawer header{justify-content:space-between;align-items:flex-start;display:flex}.history-drawer header p,.compare-panel header p,.formal-drawer header p{color:var(--brand-700);letter-spacing:.15em;margin:0;font-size:8px;font-weight:700}.history-drawer header h2,.compare-panel header h2,.formal-drawer header h2{color:var(--text-strong);letter-spacing:-.035em;margin:5px 0 0;font-size:23px}.history-drawer header button,.compare-panel header button,.formal-drawer header button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 9px;font-size:8px}.history-search{grid-template-columns:1fr auto;gap:7px;margin:23px 0 15px;display:grid}.history-search input{border:1px solid var(--line);background:var(--surface);border-radius:9px;outline:0;padding:12px;font-size:10px}.history-search button{color:#fff;background:var(--brand-900);border:0;border-radius:9px;padding:0 16px;font-size:9px}.history-list{gap:9px;display:grid}.history-list>button{border:1px solid var(--line);background:var(--surface);text-align:left;box-shadow:var(--shadow-sm);border-radius:13px;padding:16px;position:relative}.history-list>button:hover{border-color:#aac7b8;transform:translateY(-1px)}.history-list>button>div{justify-content:space-between;display:flex}.history-list>button>div strong{color:var(--text-strong);font-size:11px}.history-list>button>div span{color:var(--success);background:var(--success-soft);border-radius:999px;padding:4px 7px;font-size:7px}.history-list h3{color:var(--text);margin:13px 0 4px;font-size:11px}.history-list p{color:var(--text-muted);margin:0;font-size:9px}.history-price{color:var(--brand-900);font-variant-numeric:tabular-nums;margin-top:13px;font-size:16px;display:block}.history-list small{color:var(--text-faint);margin-top:8px;font-size:7px;display:block}.diff-list{gap:8px;margin-top:24px;display:grid}.diff-list>div{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:14px}.diff-list span,.diff-list strong{display:block}.diff-list span{color:var(--text-faint);font-size:8px}.diff-list strong{color:var(--text-strong);margin-top:6px;font-size:11px}.diff-list i{color:var(--brand-500);margin:0 7px;font-style:normal}.formal-intro{color:var(--text-muted);background:#edf3f4;border-radius:10px;padding:13px 14px;font-size:10px}.formal-fields{grid-template-columns:1fr 1fr;gap:12px;display:grid}.formal-fields textarea{resize:vertical;min-height:70px}.profile-preview{grid-template-columns:1fr 1fr;gap:12px;margin:18px 0;display:grid}.profile-preview div{border:1px solid var(--line);border-radius:13px;gap:5px;padding:16px;display:grid}.profile-preview div:first-child{background:#fffbea;border-color:#d8c56d}.profile-preview div:last-child{background:var(--success-soft);border-color:#a5c9b8}.profile-preview small{color:var(--text-muted);font-size:8px}.formal-submit{color:#fff;background:var(--brand-900);border:0;border-radius:10px;width:100%;min-height:46px;font-weight:700}.viewer{z-index:100;color:#eef5f0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#07130cf7;flex-direction:column;display:flex;position:fixed;inset:0}.viewer header{border-bottom:1px solid #ffffff1f;justify-content:space-between;align-items:center;min-height:64px;padding:0 24px;display:flex}.viewer header div{align-items:center;gap:8px;display:flex}.viewer header button{color:#fff;background:#ffffff14;border:1px solid #ffffff2e;border-radius:7px;min-width:32px;height:30px}.viewer header span{text-align:center;min-width:46px;font-size:9px}.viewer .viewer-close{width:auto;margin-left:10px;padding:0 12px}.viewer-canvas{flex:1;place-items:center;padding:30px;display:grid;overflow:auto}.viewer-asset{transform-origin:50%;transition:transform .18s;display:inline-block;position:relative}.viewer-canvas img{object-fit:contain;max-width:84vw;max-height:82vh;display:block}.failure>span{width:36px;height:36px;color:var(--danger);background:var(--danger-soft);border-radius:50%;place-items:center;font-weight:700;display:grid}.failure .failure-retry{margin-top:14px}@media (width<=1280px){.shell{padding-inline:14px}.workspace-grid{grid-template-columns:minmax(260px,28fr) minmax(460px,44fr) minmax(270px,28fr)}.panel{padding:20px}.engineering-panel{padding-inline:22px}.preview-button img{height:245px}.preview-card.layout .preview-button img{height:210px}.production-flow{grid-template-columns:repeat(3,1fr);gap:12px 0}.flow-step:nth-child(3) i{display:none}}@media (width<=1020px){.shell{width:min(820px,100%)}.app-header{grid-template-columns:auto 1fr auto}.app-header nav{justify-self:center}.quote-reference{display:none}.workspace-grid{display:block;overflow:visible}.panel+.panel{border-left:0;border-top:1px solid var(--line)}.requirement-panel{min-height:auto}.engineering-panel{padding:28px}.preview-button img{height:360px}.preview-card.layout .preview-button img{height:300px}.quote-empty,.engineering-empty,.failure{min-height:340px}.price-hero>div{font-size:50px}.quote-action-bar{align-items:flex-start}.quote-action-bar>div:first-child{display:none}.quote-action-bar>div:last-child{justify-content:center;width:100%}}@media (width<=720px){.shell{padding-inline:8px}.app-header{grid-template-columns:1fr auto;height:auto;min-height:64px}.app-header nav{order:3;grid-column:1/-1;width:100%;margin-bottom:8px}.app-header nav button{flex:1;padding-inline:7px}.brand small,.system-health{display:none}.workspace-heading{min-height:116px;padding-inline:4px}.workspace-heading h1{font-size:24px}.workspace-heading>span{flex:none}.status-rail strong{display:none}.status-rail i{width:38px}.workspace-grid{border-radius:var(--radius-md)}.panel{padding:20px 16px}.engineering-panel{padding:22px 12px}.preview-head{align-items:flex-start}.layout-kpis{flex-wrap:wrap;justify-content:flex-end}.preview-button img{height:240px}.preview-card.layout .preview-button img{height:220px}.production-flow{grid-template-columns:1fr 1fr}.flow-step:nth-child(2n) i{display:none}.engineering-metrics{grid-template-columns:1fr 1fr}.requirement-actions{grid-template-columns:1fr}.quote-action-bar{width:calc(100% - 16px);padding:8px;bottom:8px;overflow-x:auto}.quote-action-bar>div:last-child{justify-content:flex-start}.quote-action-bar button{flex:none}.formal-fields,.profile-preview{grid-template-columns:1fr}.viewer header{padding:0 12px}.viewer-canvas{padding:12px}.viewer-canvas img{max-width:96vw}}.industrial-workspace{gap:14px;display:grid}.specification-deck{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-md);grid-template-columns:1.25fr repeat(4,minmax(108px,.75fr)) 1.2fr 1.05fr 1fr;align-items:stretch;display:grid;overflow:hidden}.specification-copy,.spec-cell,.structure-trigger,.spec-actions,.compact-price{border:0;border-right:1px solid var(--line);text-align:left;background:0 0;min-width:0;padding:17px 15px}.specification-copy{background:var(--surface-soft);padding-left:21px}.specification-copy h2,.production-title h2,.cost-overview h2,.formal-actions h2{color:var(--text-strong);letter-spacing:-.025em;margin:3px 0;font-size:15px}.specification-copy>p:last-child{color:var(--text-faint);margin:0;font-size:10px;line-height:1.5}.spec-cell span,.structure-trigger>span,.compact-price>span{color:var(--text-faint);font-size:10px;font-weight:500;display:block}.spec-cell strong,.structure-trigger>strong{color:var(--text-strong);font-variant-numeric:tabular-nums;text-overflow:ellipsis;white-space:nowrap;margin-top:8px;font-size:12px;display:block;overflow:hidden}.spec-cell small,.structure-trigger>small{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;margin-top:4px;font-size:9px;display:block;overflow:hidden}.structure-trigger{cursor:pointer}.structure-trigger:hover{background:var(--brand-100)}.structure-trigger>small{color:var(--success);font-weight:700}.spec-cell.wide{grid-column:span 1}.spec-actions{gap:6px;padding:10px;display:grid}.spec-actions .secondary,.spec-actions .primary{min-height:34px}.compact-price{color:#fff;background:var(--brand-950);border-right:0}.compact-price>span{color:#a6c0b5}.compact-price>strong{color:#fff;font-variant-numeric:tabular-nums;white-space:nowrap;margin-top:6px;font-size:24px;line-height:1;display:block}.compact-price>strong i,.compact-price>strong em{font-style:normal}.compact-price>strong small{color:#9eb7ac;margin-left:3px;font-size:7px}.compact-price>b{color:var(--accent);font-variant-numeric:tabular-nums;margin-top:7px;font-size:10px;display:block}.industrial-editor{border:1px solid var(--line);background:var(--surface);grid-template-columns:1.2fr 1fr 1.5fr;gap:13px;margin:0;padding:15px}.editor-group{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-soft);min-width:0;padding:13px}.editor-group h3{color:var(--text-strong);margin:0 0 10px;font-size:11px}.material-catalog-flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-bottom:8px;display:grid}.selected-structure-button{border:1px solid var(--line);background:var(--surface);text-align:left;border-radius:8px;grid-template-columns:65px 1fr auto;align-items:center;width:100%;margin-bottom:7px;padding:10px;display:grid}.selected-structure-button span,.selected-structure-button small{color:var(--text-muted);font-size:10px}.selected-structure-button strong{color:var(--text-strong);font-size:11px}.paper-bag-structure-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;grid-template-columns:minmax(180px,38%) 1fr;align-items:center;gap:18px;margin-bottom:10px;padding:12px;display:grid}.paper-bag-structure-card img{object-fit:contain;background:#f4f7f3;border-radius:8px;width:100%;max-height:150px;display:block}.paper-bag-structure-card div{gap:5px;display:grid}.paper-bag-structure-card span,.paper-bag-structure-card small{color:var(--text-muted);font-size:10px}.paper-bag-structure-card strong{color:var(--text-strong);font-size:14px}.choice-row{flex-wrap:wrap;gap:6px;margin-bottom:9px;display:flex}.choice-row button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 11px;font-size:9px}.choice-row button.selected{color:#fff;border-color:var(--brand-700);background:var(--brand-700)}.printing-options{grid-template-columns:max-content minmax(0,1fr);align-items:start;gap:14px;display:grid}.printing-control-group{min-width:0}.printing-control-group>span{min-height:14px;color:var(--text-muted);margin-bottom:6px;font-size:9px;font-weight:650;display:block}.printing-control-group .choice-row{align-items:center;margin-bottom:0}.printing-control-group .choice-row button{min-height:34px}.sheet-selection{border:1px solid var(--line);background:var(--surface);border-radius:10px;margin:12px 0;padding:10px}.sheet-selection>span{color:var(--text-strong);margin-bottom:8px;font-size:10px;font-weight:700;display:block}.sheet-presets{flex-wrap:wrap;gap:6px;margin:5px 0 8px;display:flex}.sheet-presets button{border:1px solid var(--line);background:var(--surface-soft);border-radius:7px;padding:7px 9px;font-size:9px}.sheet-presets button.selected{color:var(--brand-700);border-color:var(--brand-500);background:var(--brand-50)}.sheet-size-input{grid-template-columns:1fr 1fr;gap:8px;display:grid}.sheet-recommendation{color:var(--success);margin-top:8px;font-weight:650;display:block}.expanded-size-hint{color:var(--text-muted);background:#e9efea;border-radius:8px;justify-content:space-between;gap:8px;margin:8px 0;padding:8px 10px;font-size:10px;display:flex}.expanded-size-hint strong{color:var(--text-strong)}.quantity-presets{flex-wrap:wrap;gap:5px;margin-top:7px;display:flex}.quantity-presets button{border:1px solid var(--line);background:var(--surface);border-radius:7px;padding:5px 7px;font-size:9px}.quantity-presets button.selected{color:#fff;border-color:var(--brand-700);background:var(--brand-700)}.live-quote-summary{border-radius:var(--radius-md);background:linear-gradient(145deg,#f5faf7,#edf4ef);border:1px solid #b7cdc1;min-width:0;padding:15px}.industrial-editor .process-input{grid-column:1/3}.industrial-editor .live-quote-summary{grid-area:1/3/3}.new-quote-submit{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-soft);grid-column:1/4;justify-content:space-between;align-items:end;gap:18px;padding:14px 16px;display:flex}.new-quote-submit>div{flex-wrap:wrap;align-items:center;gap:10px 18px;display:flex}.new-quote-submit p{color:var(--brand-700);letter-spacing:.15em;flex-basis:100%;margin:0;font-size:7px;font-weight:700}.new-quote-submit h3{color:var(--text-strong);margin:0;font-size:12px}.new-quote-submit label{color:var(--text-muted);align-items:center;gap:7px;font-size:9px;display:flex}.new-quote-submit label span{align-items:center;gap:3px;display:inline-flex}.field.field-error input{border-color:#b94747;box-shadow:0 0 0 2px #b947471a}.field-error-message{color:#a83d3d;margin-top:4px;font-size:8px;font-weight:650;display:block}.requirement-validation-summary{color:#74551c;background:#fff8e8;border:1px solid #dfc58b;border-radius:8px;min-width:210px;padding:9px 11px;font-size:8px;line-height:1.5}.requirement-validation-summary strong,.requirement-validation-summary small{display:block}.requirement-validation-summary ul{gap:14px;margin:3px 0;padding-left:16px;display:flex}.new-quote-submit input{border:1px solid var(--line);background:var(--surface);width:70px;font:inherit;font-variant-numeric:tabular-nums;border-radius:7px;padding:7px 8px}.new-quote-submit>button{min-width:170px;min-height:42px}.live-quote-summary>p{color:var(--brand-700);letter-spacing:.15em;margin:0;font-size:9px;font-weight:700}.live-quote-summary h3{color:var(--text-strong);margin:5px 0 14px;font-size:14px}.live-quote-summary>strong,.live-quote-summary>span{display:block}.live-quote-summary>strong{color:var(--text-strong);font-size:15px}.live-quote-summary>span{color:var(--text-muted);margin-top:5px;font-size:10px;line-height:1.45}.quote-readiness{border-top:1px solid #cbdcd2;gap:6px;margin-top:15px;padding-top:12px;display:grid}.quote-readiness b{color:var(--text-strong);margin-bottom:2px;font-size:10px}.quote-readiness small{font-size:9px;line-height:1.4}.quote-readiness .pass{color:var(--success)}.quote-readiness .pending{color:var(--text-muted)}.engineering-workbench{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);min-height:520px;box-shadow:var(--shadow-md);grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.engineering-placeholder{background:radial-gradient(circle at 50% 45%,#fff 0,#f5f7f3 58%,#edf1ec 100%);grid-column:1/-1;min-height:520px}.engineering-placeholder .engineering-empty,.engineering-placeholder .failure{min-height:520px}.engineering-view{flex-direction:column;min-width:0;display:flex}.engineering-view+.engineering-view{border-left:1px solid var(--line)}.engineering-view>header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;min-height:70px;padding:14px 20px;display:flex}.engineering-view>header p,.production-title p,.cost-overview p,.formal-actions p{color:var(--brand-700);letter-spacing:.15em;margin:0;font-size:7px;font-weight:700}.engineering-view>header h2{color:var(--text-strong);margin:4px 0 0;font-size:16px}.structure-pass,.structure-fail{white-space:nowrap;border-radius:999px;padding:6px 9px;font-size:8px;font-weight:700}.structure-pass{color:var(--success);background:var(--success-soft)}.structure-fail{color:var(--danger);background:var(--danger-soft)}.preview-button.large img{background:linear-gradient(150deg,#fbfcfa,#eef2ed);height:390px;padding:24px}.engineering-view>footer{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;min-height:68px;padding:12px 20px;display:flex}.engineering-view>footer strong,.engineering-view>footer span{display:block}.engineering-view>footer strong{color:var(--text-strong);font-size:12px}.engineering-view>footer span{color:var(--text-muted);margin-top:3px;font-size:9px}.engineering-view>footer button{border:1px solid var(--line);color:var(--brand-700);background:var(--surface);border-radius:7px;padding:7px 9px;font-size:8px}.structure-authority,.f2-gain{background:var(--success-soft);border-radius:9px;margin:0 20px 16px;padding:10px 12px}.structure-authority{align-items:center;gap:10px;display:flex}.structure-authority>img{object-fit:contain;background:#ffffffa6;border-radius:7px;width:58px;height:42px}.structure-authority span,.structure-authority strong,.structure-authority small{display:block}.structure-authority span{color:var(--success);font-size:7px;font-weight:700}.structure-authority strong{color:var(--text-strong);margin-top:3px;font-size:9px}.structure-authority small{color:var(--text-faint);margin-top:3px;font-size:7px}.f2-gain{color:var(--brand-700);font-size:9px;font-weight:700}.production-strip{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);grid-template-columns:180px 1fr;align-items:center;padding:17px 20px;display:grid}.production-title span{color:var(--success);font-size:13px;font-weight:700;line-height:1.45;display:block}.production-title small{color:var(--text-muted);margin-top:6px;font-size:13px;line-height:1.5;display:block}.production-strip .production-flow{background:var(--surface-soft);border:0;margin:0}.production-strip .layout-comparison{grid-column:2;margin:8px 0 0}.commercial-deck{grid-template-columns:1.6fr 1fr;gap:14px;display:grid}.price-authority-line{color:var(--text-muted);grid-column:1/-1;margin-bottom:-7px;font-size:13px}.price-authority-line strong{color:var(--brand-700)}.cost-overview,.formal-actions{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);box-shadow:var(--shadow-sm);padding:20px}.cost-pills{flex-wrap:wrap;gap:9px;margin-top:15px;display:flex}.cost-pills>span{color:var(--text-muted);background:var(--surface-soft);border-radius:9px;align-items:center;gap:9px;padding:11px 14px;font-size:14px;display:flex}.cost-pills strong{color:var(--text-strong);font-variant-numeric:tabular-nums;font-size:15px}.muted{color:var(--text-faint);font-size:9px}.cost-overview .muted{font-size:14px}.formal-actions{grid-template-columns:.8fr 1fr 1fr;gap:10px;display:grid}.formal-actions .document-history{grid-column:1/-1;margin-top:2px}.formal-actions button{border:1px solid var(--line);text-align:left;border-radius:11px;padding:15px}.formal-actions button strong,.formal-actions button small{display:block}.formal-actions button strong{font-size:15px}.formal-actions button small{margin-top:5px;font-size:13px;line-height:1.4}.internal-document{color:#695814;background:#fffbea;border-color:#d8c56d!important}.customer-document{color:var(--brand-900);background:var(--success-soft);border-color:#9bcbb5!important}.revision-deck{border-radius:var(--radius-md);color:#fff;background:var(--brand-950);justify-content:space-between;align-items:center;gap:15px;padding:14px 18px;display:flex}.revision-deck p{margin:0;font-size:15px;font-weight:700}.revision-deck span{color:#a7bdb3;font-size:13px;line-height:1.45}.revision-deck>div:last-child{gap:7px;display:flex}.revision-deck button{color:#fff;background:#ffffff14;border:1px solid #fff3;border-radius:8px;padding:10px 13px;font-size:13px}.industrial-revision-timeline{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px;margin:0;padding:14px;display:grid}.industrial-revision-timeline .timeline-head{grid-column:1/-1;margin:0 0 2px}.industrial-revision-timeline .timeline-head span{color:var(--text-faint);font-size:8px}.industrial-revision-timeline>button{margin:0}.box-selector-backdrop{z-index:120;-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);background:#081910a3;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.box-selector{background:var(--surface-soft);width:min(980px,100%);max-height:calc(100vh - 48px);box-shadow:var(--shadow-lg);border-radius:20px;padding:25px;overflow:auto}.box-selector>header{justify-content:space-between;gap:20px;display:flex}.box-selector header p{color:var(--brand-700);letter-spacing:.16em;margin:0;font-size:8px;font-weight:700}.box-selector header h2{color:var(--text-strong);margin:5px 0;font-size:25px}.box-selector header span{color:var(--text-muted);font-size:9px}.box-selector header button{border:1px solid var(--line);background:var(--surface);border-radius:8px;align-self:flex-start;padding:8px 10px;font-size:8px}.box-category{justify-content:space-between;margin:23px 0 10px;display:flex}.box-category strong{color:var(--text-strong);font-size:11px}.box-category span{color:var(--text-faint);font-size:8px}.box-card-grid{grid-template-columns:repeat(3,1fr);gap:11px;display:grid}.box-card{border:1px solid var(--line);background:var(--surface);text-align:left;border-radius:14px;min-height:300px;transition:border-color .18s,transform .18s,box-shadow .18s;position:relative;overflow:hidden}.box-card:hover{box-shadow:var(--shadow-md);border-color:#9dc5b2;transform:translateY(-2px)}.box-card.selected{border:2px solid var(--brand-500)}.box-card-select{text-align:left;background:0 0;border:0;width:100%;padding:0}.box-visual{background:#f4f7f3;place-items:center;height:178px;padding:8px;display:grid;overflow:hidden}.box-visual-image{background-position:50%;background-repeat:no-repeat;background-size:contain;width:100%;height:100%;display:block}.box-card-copy{padding:14px 14px 12px;position:relative}.box-card-copy>span{color:var(--brand-500);font-size:7px;font-weight:700}.box-card-copy h3{color:var(--text-strong);margin:4px 0;font-size:15px}.box-card-copy p{color:var(--text-muted);margin:0;font-size:8px;line-height:1.5}.box-card-copy i{color:var(--success);font-size:7px;font-style:normal;font-weight:700;position:absolute;top:15px;right:12px}.box-feature-details{border-top:1px solid var(--line-soft);margin:0 14px 12px;padding-top:8px}.box-feature-details summary{color:var(--brand-700);cursor:pointer;font-size:7px;font-weight:700}.box-feature-details p{color:var(--text-muted);margin:6px 0 0;font-size:8px;line-height:1.5}@media (width<=1280px){.specification-deck{grid-template-columns:1fr repeat(4,.7fr) 1fr 1fr}.specification-copy{display:none}.preview-button.large img{height:340px}}@media (width<=1040px){.specification-deck{grid-template-columns:repeat(4,1fr)}.specification-copy{grid-column:span 2;display:block}.structure-trigger,.spec-cell,.spec-actions,.compact-price{border-bottom:1px solid var(--line)}.spec-cell.wide{grid-column:span 2}.spec-actions,.compact-price{grid-column:span 1}.industrial-editor{grid-template-columns:1fr}.industrial-editor .process-input,.industrial-editor .live-quote-summary{grid-area:auto/1}.new-quote-submit{grid-column:1}.engineering-workbench{grid-template-columns:1fr}.engineering-view+.engineering-view{border-left:0;border-top:1px solid var(--line)}.preview-button.large img{height:420px}.production-strip{grid-template-columns:1fr}.production-strip .layout-comparison{grid-column:1}.commercial-deck{grid-template-columns:1fr}.box-card-grid{grid-template-columns:repeat(2,1fr)}.box-visual{height:250px}}@media (width<=720px){.specification-deck{grid-template-columns:repeat(2,1fr)}.specification-copy,.spec-cell.wide{grid-column:span 2}.spec-actions,.compact-price{grid-column:span 1}.preview-button.large img{height:270px;padding:12px}.production-strip{padding:14px}.formal-actions{grid-template-columns:1fr}.revision-deck{flex-direction:column;align-items:flex-start}.revision-deck>div:last-child{width:100%;overflow-x:auto}.box-selector-backdrop{padding:8px}.box-selector{padding:15px}.box-card-grid{grid-template-columns:1fr}.box-card{min-height:230px}.box-card-select{grid-template-columns:42% 58%;display:grid}.box-visual{height:175px}.box-feature-details{margin-left:calc(42% + 14px)}.new-quote-submit{flex-direction:column;align-items:stretch}.new-quote-submit>button{width:100%}.printing-options{grid-template-columns:1fr;gap:8px}.material-catalog-flow{grid-template-columns:1fr}.industrial-editor,.editor-group,.app-header nav{min-width:0;max-width:100%}}