:root{color:#1e2b2b;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--accent:#0f9f8f;--accent-dark:#08786d;--ink:#1e2b2b;--muted:#667675;--line:#dbe7e3;--surface:#fff;--soft:#eef8f4;--danger:#b43b3b;--danger-soft:#fff0ef;--success:#207f54;--success-soft:#eaf8ef;--shadow:0 10px 26px #1f3a3614;background:#f4f8f6;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:linear-gradient(#f7fbfa 0%,#eef6f2 52%,#f6f8fb 100%);min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}a{color:inherit}.app-shell{width:min(1280px,100% - 32px);margin:0 auto;padding:28px 0 48px}.app-header{justify-content:space-between;align-items:center;gap:24px;margin-bottom:20px;display:flex}.app-header>div{min-width:0;max-width:920px}.app-header h1{color:#102725;margin:2px 0 6px;font-size:clamp(34px,4vw,46px);line-height:1.05}.app-header p{max-width:780px;color:var(--muted);margin:0;font-size:16px}.header-preview{width:min(36vw,420px);min-width:300px;box-shadow:var(--shadow);background:#fff;border:1px solid #dbe7e3f2;border-radius:8px;flex:0 380px;margin:0;overflow:hidden}.header-preview img{aspect-ratio:1140/419;object-fit:cover;width:100%;height:auto;display:block}.anchor-nav{z-index:20;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffeb;border:1px solid #dbe7e3e6;border-radius:8px;flex-wrap:wrap;gap:8px;margin-bottom:20px;padding:10px;display:flex;position:sticky;top:0}.anchor-nav a{color:#31504c;background:#f5fbf9;border-radius:8px;align-items:center;min-height:34px;padding:0 12px;font-size:13px;font-weight:900;text-decoration:none;display:inline-flex}.anchor-nav a:hover{transform:translateY(-1px)}.seo-summary{border-left:4px solid var(--accent);max-width:920px;margin:0 0 20px;padding-left:16px}.seo-summary h2{color:var(--ink);margin:0 0 8px;font-size:22px;line-height:1.2}.seo-summary p{color:#405552;margin:0;font-size:16px;line-height:1.55}.eyebrow{color:var(--accent-dark);letter-spacing:0;text-transform:uppercase;margin:0;font-size:12px;font-weight:800}.workspace{grid-template-columns:minmax(330px,390px) minmax(0,1fr);grid-template-areas:"input openings""results three""warnings warnings";align-items:stretch;gap:20px;display:grid}.input-panel{grid-area:input}.openings-panel{grid-area:openings}.result-panel{grid-area:results}.workspace>.three-panel{grid-area:three;margin-top:0}.workspace>.notice{grid-area:warnings}.workspace>.panel,.workspace>.notice{align-self:stretch}#parameters,#openings,#preview,#instruction,#export,.drawings-section{scroll-margin-top:86px}.panel,.notice{background:var(--surface);box-shadow:var(--shadow);border:1px solid #dbe7e3e6;border-radius:8px}.panel{padding:20px}.panel-heading{margin-bottom:18px}.panel-heading.horizontal{justify-content:space-between;align-items:center;gap:16px;display:flex}.panel-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.segmented-control{border:1px solid var(--line);background:#f6fbf9;border-radius:8px;grid-template-columns:repeat(2,minmax(72px,1fr));display:inline-grid;overflow:hidden}.segmented-control button{border:0;border-right:1px solid var(--line);color:#31504c;background:0 0;min-height:32px;padding:0 12px;font-size:13px;font-weight:900}.segmented-control button:last-child{border-right:0}.segmented-control button.active{background:var(--accent);color:#fff}.panel-heading h2,.notice h2{color:var(--ink);margin:4px 0 0;font-size:21px;line-height:1.2}.preset-group{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:18px;display:grid}.mesh-preset-group{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:18px;display:grid}.preset-button,.mesh-preset-button,.mesh-preset-custom,.primary-button,.secondary-button{border:0;border-radius:8px;font-weight:800;transition:transform .16s,box-shadow .16s,background .16s}.preset-button{color:#116f66;background:#eef7f4;min-height:42px;padding:8px 10px;font-size:14px}.preset-button.active{background:var(--accent);color:#fff;box-shadow:0 8px 16px #0f9f8f2e}.mesh-preset-button,.mesh-preset-custom{color:#31504c;background:#fbfefd;border:1px solid #d6e8e3;border-radius:8px;justify-content:center;align-items:center;min-height:36px;padding:7px 8px;font-size:13px;font-weight:900;line-height:1;display:inline-flex}.mesh-preset-button.active,.mesh-preset-custom.active{color:#08786d;background:#e6f8f4;border-color:#0f9f8f61}.preset-button:hover,.mesh-preset-button:hover,.mesh-preset-custom:hover,.secondary-button:hover,.primary-button:hover{transform:translateY(-1px)}.field-list{gap:14px;display:grid}.field{gap:6px;display:grid}.field-label{color:#344643;font-size:14px;font-weight:800}.field-highlighted .field-label{color:var(--accent-dark)}.field-highlighted .input-wrap{background:#f2fbf8;border-color:#0f9f8f8c;box-shadow:0 0 0 3px #0f9f8f1f}.input-wrap{border:1px solid var(--line);background:#fbfefd;border-radius:8px;grid-template-columns:1fr 42px;align-items:center;display:grid;overflow:hidden}.input-wrap input{width:100%;min-width:0;color:var(--ink);background:0 0;border:0;outline:0;padding:12px 13px;font-weight:700}.input-wrap span{color:var(--muted);font-size:13px}.select-input{border:1px solid var(--line);width:100%;min-height:42px;color:var(--ink);background:#fbfefd;border-radius:8px;outline:0;padding:0 12px;font-weight:700}.field-note{min-height:18px;font-size:12px;line-height:1.35}.field-note.good{color:var(--success)}.field-note.warn{color:#a35b00}.advanced-settings{border:1px solid var(--line);background:#fbfefd;border-radius:8px;margin-top:16px}.advanced-settings summary{color:#31504c;cursor:pointer;align-items:center;min-height:42px;padding:0 12px;font-size:14px;font-weight:900;list-style:none;display:flex}.advanced-settings summary::-webkit-details-marker{display:none}.advanced-settings summary:after{content:"+";color:var(--accent-dark);margin-left:auto;font-size:18px;line-height:1}.advanced-settings[open] summary{border-bottom:1px solid var(--line)}.advanced-settings[open] summary:after{content:"–"}.advanced-settings .field-list{padding:12px}.primary-button{background:var(--accent);color:#fff;width:100%;min-height:46px;margin-top:18px;box-shadow:0 10px 20px #0f9f8f3d}.openings-editor{gap:12px;display:grid}.section-heading h3{margin:4px 0 0;font-size:18px}.opening-card{background:#f8fcfb;border:1px solid #d6e8e3;border-radius:8px;gap:12px;padding:13px 14px;display:grid}.opening-card.opening-disabled{background:#fbfefd}.opening-card-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.opening-card.selected-opening{border-color:#ef4444;box-shadow:0 0 0 3px #ef444421}.selected-badge{color:#08786d;background:#e6f8f4;border-radius:999px;align-items:center;min-height:24px;padding:0 8px;font-size:12px;font-weight:900;display:inline-flex}.opening-card.selected-opening .selected-badge{color:#b43b3b;background:#fff0ef}.opening-title-row{min-height:24px}.opening-list{gap:10px;display:grid}.opening-empty{color:var(--muted);margin:0;font-size:13px;font-weight:700}.opening-row{background:#fff;border:1px solid #dbe7e3;border-radius:8px;gap:10px;padding:10px;display:grid}.opening-row.selected-opening{border-color:#ef4444;box-shadow:0 0 0 3px #ef44441a}.opening-row-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.text-button{color:#0a7066;background:0 0;border:0;font-size:13px;font-weight:900}.text-button.danger{color:#b43b3b}.compact-action{width:fit-content}.toggle-row{color:#24413d;align-items:center;gap:10px;font-weight:800;display:flex}.toggle-row input{width:18px;height:18px;accent-color:var(--accent)}.opening-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));align-items:start;gap:10px;display:grid}.compact-field{gap:5px}.compact-field .input-wrap,.compact-field .select-input{min-height:44px}.compact-field .field-note{min-height:34px;display:block}.secondary-button{color:#0a7066;background:#eaf6f3;min-height:40px;padding:0 14px}.secondary-button:disabled{cursor:not-allowed;opacity:.48;transform:none}.summary-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.result-panel .summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.summary-card{border:1px solid var(--line);background:#fbfefd;border-radius:8px;gap:8px;min-height:92px;padding:14px;display:grid}.summary-card span{color:var(--muted);font-size:13px;font-weight:700}.summary-card strong{color:#152c2a;font-size:18px;line-height:1.2}.result-panel .summary-card{min-height:78px;padding:12px}.result-panel .summary-card strong{font-size:16px}.summary-card.success{background:var(--success-soft);border-color:#bde7cc}.summary-card.danger{background:var(--danger-soft);border-color:#f2c3bd}.notice{padding:18px 20px}.notice p{color:var(--muted);margin:8px 0 0}.notice ul{color:#543f13;gap:8px;margin:12px 0 0;padding-left:19px;display:grid}.notice.warning{background:#fff8ea;border-color:#f2d59b}.notice.success{background:#effaf2;border-color:#c6e8d0}.safety-notice{background:#fffaf0;border-color:#f1d9a8;margin-top:20px}.safety-notice h2{color:#5a3f12}.safety-notice p{color:#6c5121;max-width:980px;font-weight:700;line-height:1.5}.export-panel,.layout-panel,.three-panel,.flat-panels-panel,.tray-panel,.instruction-panel{margin-top:20px}.export-panel{padding:16px 20px}.export-panel .panel-heading{margin-bottom:12px}.export-actions{flex-wrap:wrap;gap:10px;display:flex}.export-primary{width:auto;min-width:210px;margin-top:0}.export-actions .secondary-button{min-width:150px}.export-status{min-width:90px;color:var(--muted);text-align:right;margin:0;font-size:13px;font-weight:900}.export-status.ready{color:var(--success)}.export-status.failed{color:var(--danger)}.three-panel{flex-direction:column;display:flex;overflow:hidden}.status-pill{border-radius:8px;align-items:center;min-height:32px;padding:0 12px;font-size:13px;font-weight:800;display:inline-flex}.status-pill.fit{background:var(--success-soft);color:var(--success)}.status-pill.fail{background:var(--danger-soft);color:var(--danger)}.svg-scroll{padding-bottom:4px;overflow-x:auto}.layout-svg{width:100%;min-width:760px;height:auto;display:block}.layout-svg.blueprint-mode{min-width:860px}.blueprint-sheet{fill:#fff;stroke:#d7e1dd;stroke-width:1px}.panel-rect{stroke:#9fc8bf;stroke-width:1px}.layout-svg.blueprint-mode .panel-rect{fill:#fff;stroke:#1f2d2b;stroke-width:1.8px}.selectable-surface{cursor:pointer}.panel-surface.surface-selected .panel-rect{stroke:#ef4444;stroke-width:3px}.mesh-lines line{stroke:#12534d38;stroke-width:1px}.layout-svg.blueprint-mode .mesh-lines line{stroke:#1f2d2b33;stroke-width:.9px}.panel-labels{pointer-events:none}.svg-title{fill:#173431;pointer-events:none;font-weight:800}.svg-value{fill:#1d3937;pointer-events:none;font-size:14px;font-weight:800}.svg-muted{fill:#57706d;pointer-events:none;font-size:12px;font-weight:700}.bend-line{stroke:#08786d;stroke-dasharray:7 7;stroke-width:2px}.layout-svg.blueprint-mode .bend-line{stroke:#1f2d2b;stroke-dasharray:6 6;stroke-width:1.5px}.cut-line{stroke:#b43b3b;stroke-width:3px}.layout-svg.blueprint-mode .cut-line{stroke:#a42f2f;stroke-width:2.4px}.bend-label,.cut-label{fill:#334744;font-size:13px;font-weight:800}.baseline{stroke:#bacac6;stroke-width:2px}.layout-svg.blueprint-mode .baseline{stroke:#40504d;stroke-width:1.4px}.blueprint-extension{stroke:#8b9a96;stroke-dasharray:4 5;stroke-width:1px}.blueprint-dimension line{stroke:#1f2d2b;stroke-width:1.15px}.blueprint-dimension text{fill:#1f2d2b;paint-order:stroke;stroke:#fff;stroke-width:4px;font-size:12px;font-weight:900}.blueprint-dimension text.compact{font-size:11px}#layout-dimension-arrow path,.dimension-arrow-path{fill:#1f2d2b}.connector-dots line{stroke:#08786d59;stroke-dasharray:4 5;stroke-width:1.5px}.connector-dots circle{fill:#0f9f8f;stroke:#fff;stroke-width:2px}.wire-tab-markers line{stroke:#b98200;stroke-linecap:round;stroke-width:4px}.wire-tab-markers circle{fill:#b98200;stroke:#fff;stroke-width:2px}.wire-tab-markers text{fill:#7a5100;paint-order:stroke;stroke:#fff;stroke-width:4px;font-size:12px;font-weight:900}.three-canvas{border:1px solid var(--line);background:#f7fbfa;border-radius:8px;width:100%;height:clamp(390px,46vw,580px);min-height:360px;overflow:hidden}.workspace>.three-panel .three-canvas{flex:1;height:auto}.three-canvas canvas{width:100%;height:100%;display:block}.three-controls{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.three-controls label{border:1px solid var(--line);color:#31504c;background:#fbfefd;border-radius:8px;align-items:center;gap:7px;min-height:34px;padding:0 11px;font-size:13px;font-weight:800;display:inline-flex}.three-controls input{accent-color:var(--accent)}.three-legend{flex-wrap:wrap;gap:10px;margin-top:12px;display:flex}.legend-item{color:#405a56;align-items:center;gap:7px;font-size:13px;font-weight:800;display:inline-flex}.legend-item:before{content:"";border-radius:999px;width:18px;height:3px}.legend-item.mesh:before{background:#0f9f8f}.legend-item.door:before{background:#eab308}.legend-item.cut:before{background:#d97706}.legend-item.active:before{background:#ef4444}.three-active-label{color:#405a56;margin:10px 0 0;font-size:13px;font-weight:800}.three-active-size{color:#08786d;margin-left:8px;display:inline-flex}.layout-opening rect{stroke-width:2.5px}.selectable-opening{cursor:pointer}.selectable-opening rect,.selectable-opening circle{pointer-events:all}.layout-opening text{paint-order:stroke;pointer-events:none;stroke:#ffffffe6;stroke-width:4px;font-size:12px;font-weight:900}.layout-opening circle{stroke:#fff;stroke-width:2px}.layout-opening.door rect{fill:#fffaf0;stroke:#b98200}.layout-opening.door text{fill:#795200}.layout-opening.door circle{fill:#b98200}.layout-opening.window rect{fill:#fff;stroke:#3d72b8;stroke-dasharray:7 5}.layout-opening.window text{fill:#255086}.layout-opening.tray rect{fill:#fff6f4;stroke:#bf4f43}.layout-opening.tray text{fill:#8a2f28}.layout-opening.opening-selected rect{stroke:#ef4444;stroke-width:4px}.layout-opening.opening-selected circle{fill:#ef4444}.layout-svg.blueprint-mode .layout-opening rect{fill:#ffffffdb;stroke:#1f2d2b;stroke-dasharray:6 5;stroke-width:2px}.layout-svg.blueprint-mode .layout-opening.opening-selected rect{stroke:#ef4444;stroke-width:3px}.layout-svg.blueprint-mode .layout-opening circle{fill:#1f2d2b;stroke:#fff;stroke-width:2px}.layout-svg.blueprint-mode .layout-opening.opening-selected circle{fill:#ef4444}.opening-callout line{stroke:#1f2d2b;stroke-width:1px}.opening-callout text{fill:#1f2d2b;paint-order:stroke;pointer-events:none;stroke:#fff;stroke-width:3px;font-size:10.5px;font-weight:900}.opening-callout .opening-offset-label{fill:#51625f;font-size:9.5px;font-weight:800}.flat-panels-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.flat-panel-card{border:1px solid var(--line);background:#fbfefd;border-radius:8px;min-width:0;padding:16px}.flat-panel-card.selected-surface{border-color:#ef4444;box-shadow:0 0 0 3px #ef44441f}.flat-panel-title{margin-bottom:10px}.flat-panel-title h3{color:#173431;margin:0 0 4px;font-size:18px}.flat-panel-title p{color:var(--muted);margin:0;font-size:13px;line-height:1.35}.flat-panel-svg{width:100%;height:auto;display:block}.flat-panel-svg.blueprint-mode{background:#fff}.flat-cut-area{fill:#f0faf7;stroke:#7cbab0;stroke-width:1.5px}.flat-panel-svg.blueprint-mode .flat-cut-area,.flat-panel-svg.blueprint-mode .opening-part-cut{fill:#fff;stroke:#1f2d2b;stroke-width:1.8px}.flat-inner{fill:#ffffffa8;stroke:#0f9f8f;stroke-width:2px}.flat-panel-svg.blueprint-mode .flat-inner,.flat-panel-svg.blueprint-mode .opening-part-inner{fill:#ffffffb8;stroke:#1f2d2b;stroke-dasharray:7 5;stroke-width:1.8px}.flat-panel-opening rect{fill:#fff;stroke:#3d72b8;stroke-dasharray:7 5;stroke-width:2.5px}.flat-panel-svg.blueprint-mode .flat-panel-opening rect{fill:#ffffffdb;stroke:#1f2d2b;stroke-dasharray:6 5;stroke-width:2px}.flat-panel-opening text{fill:#255086;paint-order:stroke;pointer-events:none;stroke:#ffffffe6;stroke-width:4px;font-size:12px;font-weight:900}.flat-panel-opening.opening-selected rect{stroke:#ef4444;stroke-width:4px}.flat-panel-svg.blueprint-mode .flat-panel-opening.opening-selected rect{stroke:#ef4444;stroke-width:3px}.flat-fold-line{stroke:#08786d;stroke-dasharray:7 7;stroke-width:1.8px}.flat-panel-svg.blueprint-mode .flat-fold-line{stroke:#1f2d2b;stroke-dasharray:6 6;stroke-width:1.5px}.flat-attachment circle{fill:#0f9f8f;stroke:#fff;stroke-width:2.5px}.flat-panel-svg.blueprint-mode .flat-attachment circle,.flat-panel-svg.blueprint-mode .opening-connection circle{fill:#1f2d2b;stroke:#fff;stroke-width:2px}.flat-hook-line{stroke:#08786d;stroke-linecap:round;stroke-width:4px}.flat-panel-svg.blueprint-mode .flat-hook-line{stroke:#1f2d2b;stroke-width:2.5px}.flat-size-label,.flat-center-label,.flat-center-value,.flat-overlap-label{fill:#173431;font-weight:800}.flat-size-label{font-size:14px}.flat-muted-label{fill:#57706d;font-size:12px;font-weight:700}.flat-center-label{paint-order:stroke;pointer-events:none;stroke:#ffffffe0;stroke-width:4px;font-size:13px}.flat-center-value{paint-order:stroke;pointer-events:none;stroke:#ffffffe0;stroke-width:4px;font-size:15px}.flat-overlap-label{fill:#0a7066;font-size:12px}.flat-panel-svg.blueprint-mode .flat-size-label,.flat-panel-svg.blueprint-mode .flat-center-label,.flat-panel-svg.blueprint-mode .flat-center-value,.flat-panel-svg.blueprint-mode .flat-overlap-label{fill:#1f2d2b}.opening-part-cut{fill:#f4f8ff;stroke:#8fb0dc;stroke-width:1.5px}.opening-part-inner{fill:#ffffffad;stroke:#3d72b8;stroke-dasharray:8 6;stroke-width:2px}.opening-connection circle{stroke:#fff;stroke-width:2.5px}.opening-connection.hinge circle{fill:#0f9f8f}.opening-connection.latch circle{fill:#b98200}.opening-connection.tie circle{fill:#3d72b8}.tray-summary{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.tray-summary span{border:1px solid var(--line);color:#31504c;background:#fbfefd;border-radius:8px;align-items:center;min-height:30px;padding:0 10px;font-size:13px;font-weight:900;display:inline-flex}.tray-svg{width:100%;min-width:820px;height:auto;display:block}.tray-view-title{fill:#173431;font-size:15px;font-weight:900}.tray-body{fill:#fff;stroke:#1f2d2b;stroke-width:1.8px}.tray-inner{fill:#ffffffb8;stroke:#1f2d2b;stroke-dasharray:7 5;stroke-width:1.5px}.tray-flange{fill:#f6fbf9;stroke:#1f2d2b;stroke-width:1.8px}.tray-opening-line{stroke:#bf4f43;stroke-dasharray:6 5;stroke-width:1.5px}.connection-diagram{max-width:640px;margin:0 0 14px;overflow-x:auto}.connection-diagram svg{border:1px solid var(--line);background:#fbfefd;border-radius:8px;width:100%;min-width:360px;height:auto;display:block}.connection-grid line{stroke:#0f9f8f8c;stroke-width:2px}.connection-grid.muted line{stroke:#31504c61}.connection-grid.overlap line{stroke:#0f9f8fd1}.connection-overlap-zone{fill:#0f9f8f1f;stroke:#0f9f8f6b;stroke-width:1.5px}.connection-fix-point{fill:#b98200;stroke:#fff;stroke-width:2.5px}.connection-neighbor{stroke:#1f2d2b;stroke-linecap:round;stroke-width:6px}.connection-tabs line,.connection-tabs path{fill:none;stroke:#0f9f8f;stroke-linecap:round;stroke-width:4px}.connection-tabs .connection-arrow{marker-end:url(#connection-arrow);stroke:#b98200;stroke-width:2.5px}#connection-arrow path{fill:#b98200}.connection-title{fill:#173431;font-size:16px;font-weight:900}.connection-note{fill:#405552;font-size:13px;font-weight:800}.instruction-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.instruction-card{border:1px solid var(--line);background:#fbfefd;border-radius:8px;padding:16px}.instruction-card h3{color:#173431;margin:0 0 10px;font-size:17px}.instruction-card ul{color:#2e4441;gap:8px;margin:0;padding-left:18px;font-size:14px;line-height:1.45;display:grid}.instruction-card p{color:#126b62;background:#eef8f4;border-radius:8px;margin:12px 0 0;padding:10px 12px;font-size:13px;font-weight:800;line-height:1.45}@media (width<=980px){.app-header{flex-direction:column;align-items:flex-start}.workspace{grid-template-columns:1fr;grid-template-areas:"input""openings""results""three""warnings"}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.flat-panels-grid,.instruction-grid{grid-template-columns:1fr}}@media (width<=620px){.app-shell{width:min(100% - 20px,1220px);padding-top:22px}.app-header{gap:16px}.app-header h1{font-size:31px;line-height:1.08}.app-header p{font-size:16px}.header-preview{width:min(100%,520px);min-width:0}.seo-summary{margin-bottom:18px;padding-left:12px}.anchor-nav{border-left:0;border-right:0;border-radius:0;flex-wrap:nowrap;margin-left:-10px;margin-right:-10px;overflow-x:auto}.anchor-nav a{flex:none}.panel,.notice{padding:16px}.panel-heading.horizontal{flex-direction:column;align-items:flex-start}.panel-actions{justify-content:flex-start;width:100%}.segmented-control{width:100%}.preset-group,.summary-grid{grid-template-columns:1fr}.mesh-preset-group{grid-template-columns:repeat(2,minmax(0,1fr))}.opening-grid{grid-template-columns:1fr}.secondary-button,.export-primary{width:100%}}@media print{:root,body{background:#fff}.app-shell{width:100%;padding:0}.app-header,.anchor-nav,.seo-summary,.workspace,.export-panel,.panel-actions,.status-pill{display:none}.panel,.notice{box-shadow:none;border:0;border-radius:0}.layout-panel,.flat-panels-panel,.tray-panel,.instruction-panel{break-inside:avoid;margin:0 0 10mm;padding:0}.panel-heading{margin-bottom:6mm}.svg-scroll{padding-bottom:0;overflow:visible}.layout-svg,.layout-svg.blueprint-mode,.flat-panel-svg,.tray-svg{width:100%;min-width:0}.flat-panels-grid,.instruction-grid{grid-template-columns:1fr}.flat-panel-card,.instruction-card{break-inside:avoid;box-shadow:none;border-color:#d6dedb}}