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(width<=760px){.calculator-hero{padding-inline:0;padding-top:42px}.calculator-hero__help{top:0;right:0}.calculator-hero__result-card{padding:12px}.calculator-hero__linear-frame,.calculator-hero__sheet-frame{padding:10px 10px 12px}}.confirm-dialog__overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#14100c85;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.confirm-dialog{background:radial-gradient(circle at 100% 0,#b85c441a,#0000 34%),linear-gradient(#fffffffa,#f8f1e8fa);border:1px solid #b85c442e;border-radius:24px;width:min(100%,34rem);padding:24px 24px 20px;box-shadow:0 26px 70px #120d0933}.confirm-dialog__eyebrow{color:var(--accent);letter-spacing:.14em;text-transform:uppercase;margin-bottom:10px;font-size:.72rem;font-weight:700;display:inline-block}.confirm-dialog__title{font-family:var(--font-serif);letter-spacing:-.03em;color:var(--text);margin:0 0 12px;font-size:clamp(1.5rem,4vw,2rem);line-height:1.1}.confirm-dialog__message{color:var(--text);margin:0;font-size:1rem;line-height:1.7}.confirm-dialog__actions{justify-content:flex-end;gap:10px;margin-top:22px;display:flex}.confirm-dialog__button{min-height:44px;font-family:var(--font-sans);cursor:pointer;border:1px solid #0000;border-radius:999px;padding:0 18px;font-size:.9rem;font-weight:600;transition:background .15s,color .15s,border-color .15s,box-shadow .15s}.confirm-dialog__button--ghost{border-color:var(--border);color:var(--text);background:#ffffffc7}.confirm-dialog__button--ghost:hover{border-color:var(--border-strong);background:var(--bg-elevated)}.confirm-dialog__button--danger{background:var(--accent);color:#fffaf6;box-shadow:0 10px 24px #b85c4438}.confirm-dialog__button--danger:hover{background:var(--accent-hover)}@media (width<=640px){.confirm-dialog{border-radius:20px;padding:20px 18px 18px}.confirm-dialog__actions{flex-direction:column-reverse}.confirm-dialog__button{width:100%}}.error-dialog__overlay{z-index:1200;background:#0e101485;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.error-dialog{background:#fff8f7;border:1px solid #b0493659;border-radius:14px;width:min(560px,100%);padding:24px;box-shadow:0 24px 60px #1418223d}.error-dialog__eyebrow{color:#a43c2a;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;font-size:.78rem;font-weight:700;display:inline-block}.error-dialog__title{color:#611f16;margin:0;font-size:1.22rem;line-height:1.35}.error-dialog__message{color:#74281c;white-space:pre-wrap;margin:12px 0 0;font-size:1rem;line-height:1.5}.error-dialog__actions{justify-content:flex-end;margin-top:18px;display:flex}.error-dialog__button{color:#fff;cursor:pointer;background:#b4513e;border:1px solid #b4513e;border-radius:10px;padding:9px 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82%,#8b786500);flex:auto;height:1px}.results-divider__label{color:var(--accent);letter-spacing:.14em;text-transform:uppercase;background:#fffcf8d1;border:1px solid #8b786529;border-radius:999px;flex:none;padding:7px 14px;font-size:.74rem;font-weight:700;box-shadow:0 8px 18px #2d21160d}.project-actions{pointer-events:auto;z-index:60;position:fixed}.project-actions__sticky{gap:10px;display:grid;position:relative}.project-actions__group{gap:8px;display:grid}.project-actions__button{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:100%;min-height:40px;color:var(--text);font-family:var(--font-sans);cursor:pointer;background:#ffffffb8;border:1px solid #1d1d1d14;border-radius:999px;justify-content:flex-start;align-items:center;gap:10px;padding:0 16px;font-size:.88rem;font-weight:600;line-height:1.2;transition:border-color .15s,background .15s,color .15s,box-shadow .15s,transform .1s;display:inline-flex}.project-actions__icon{flex:0 0 1.2rem;width:1.2rem;height:1.2rem;display:none}.project-actions__icon svg{fill:currentColor;width:100%;height:100%;display:block}.project-actions__label{display:inline}.project-actions__button:hover:not(:disabled){background:#ffffffeb;border-color:#1d1d1d24;box-shadow:0 10px 24px #1d1d1d14}.project-actions__button:focus-visible{outline:2px solid var(--sheet-focus);outline-offset:2px}.project-actions__button:disabled{opacity:.55;cursor:not-allowed}.project-actions__button--primary{border-color:var(--text);background:var(--text);color:var(--bg-elevated);justify-content:center;min-height:48px;box-shadow:0 10px 28px #1d1d1d29}.project-actions__button--primary:hover:not(:disabled){background:#2a2a2a;border-color:#2a2a2a}.project-actions__button--danger{color:var(--accent)}.project-actions--right{width:188px;top:50%;right:max(16px,50vw - 682px);transform:translateY(-50%)}.project-actions--right .project-actions__sticky{padding-left:16px}.project-actions--right .project-actions__sticky:before{content:"";background:linear-gradient(#1d1d1d0a,#1d1d1d1f 16% 84%,#1d1d1d0a);width:1px;position:absolute;top:8px;bottom:8px;left:4px}@media (width>=1180px){.calculator-workspace{grid-template-columns:minmax(0,.92fr) minmax(420px,1.08fr)}}@media (width<=1360px){.container--with-actions{padding-bottom:132px}.project-actions--right{width:auto;right:12px}.project-actions--right .project-actions__sticky{padding-left:0}.project-actions--right .project-actions__sticky:before{display:none}.project-actions__button{border-radius:18px;flex:none;justify-content:center;width:52px;min-width:52px;min-height:52px;padding:0}.project-actions__button--primary{width:60px;min-width:60px}.project-actions__icon{justify-content:center;align-items:center;display:inline-flex}.project-actions__label{display:none}}@media 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auto;min-height:100%}.excel-import-dialog__panel-block--narrow{max-width:34rem}.excel-import-dialog__section-header{justify-content:space-between;align-items:center;gap:12px;min-height:2.25rem;display:flex}.excel-import-dialog__section-label{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;margin:0;font-size:.76rem;font-weight:600}.excel-import-dialog__header-spacer{visibility:hidden;pointer-events:none;flex:0 0 11.5rem;min-height:2.25rem}.excel-import-dialog__dropzone{text-align:center;cursor:pointer;background:linear-gradient(#ffffff57,#f9f1e74d),#ffffff24;border:2px dashed #b85c4473;border-radius:18px;flex-direction:column;justify-content:center;align-self:stretch;align-items:center;height:100%;min-height:15.5rem;padding:36px 22px;transition:border-color .15s,background .15s,box-shadow .15s,transform 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0;border:none;padding:0;font-weight:600}.excel-import-dialog__browse:hover{color:var(--accent-hover);text-decoration:underline}.excel-import-dialog__file{color:var(--accent);word-break:break-word;margin:12px 0 0;font-size:.84rem;font-weight:600}.excel-import-dialog__sample-links{flex-wrap:wrap;justify-content:flex-start;gap:10px;display:flex}.excel-import-dialog__downloads{flex-wrap:wrap;align-items:center;gap:10px;min-height:2.25rem;display:flex}.excel-import-dialog__downloads-label{color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase;margin:0;font-size:.76rem;font-weight:600}.excel-import-dialog__sample-link{background:var(--accent);color:#fffaf6;white-space:nowrap;min-height:1.8rem;box-shadow:none;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;padding:0 16px;font-size:.82rem;font-weight:600;line-height:1;text-decoration:none;transition:background .15s,border-color .15s,color .15s,transform .15s;display:inline-flex}.excel-import-dialog__sample-link:hover{background:var(--accent-hover);color:#fffaf6;transform:translateY(-1px)}.excel-import-dialog__example-table{background:#ffffffb8;border:1px solid #6b534829;border-radius:16px;overflow:hidden}.excel-import-dialog__example-row{grid-template-columns:repeat(var(--example-columns,3), minmax(0, 1fr));display:grid}.excel-import-dialog__example-row span{color:var(--text);border-top:1px solid #6b53481f;padding:11px 12px;font-size:.82rem;line-height:1.35}.excel-import-dialog__example-row span+span{border-left:1px solid #6b53481f}.excel-import-dialog__example-row--head span{background:#6b53480f;border-top:none;font-weight:700}.excel-import-dialog__textarea{box-sizing:border-box;width:100%;color:var(--text);font-family:var(--font-drawing);background:#ffffffc7;border:none;border-radius:12px;font-size:.76rem;line-height:1.5;display:block}.excel-import-dialog__text-surface{background:#ffffffb8;border:1px solid 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10px;font-size:.76rem;font-weight:600}.excel-import-dialog__ghost-action:hover{color:var(--accent-hover);border-color:#b85c4447}.excel-import-dialog__submit{background:var(--accent);color:#fffaf6;cursor:pointer;border:1px solid #0000;border-radius:999px;flex:none;width:auto;min-height:2rem;padding:0 16px;font-size:.82rem;font-weight:600;line-height:1}.excel-import-dialog__submit:disabled,.excel-import-dialog__ghost-action:disabled,.excel-import-dialog__browse:disabled,.excel-import-dialog__close:disabled{opacity:.55;cursor:default}.excel-import-dialog__error-popover{z-index:1001;background:#fffaf8fa;border:1px solid #a8443a2e;border-radius:20px;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:12px;width:min(100vw - 32px,38rem);padding:16px 18px;display:grid;position:fixed;bottom:32px;left:50%;transform:translate(-50%);box-shadow:0 18px 44px #3b181333}.excel-import-dialog__error-icon{color:#a8443a;background:#a8443a1f;border-radius:999px;justify-content:center;align-items:center;width:1.8rem;height:1.8rem;font-size:1rem;font-weight:700;line-height:1;display:inline-flex}.excel-import-dialog__error-content{min-width:0}.excel-import-dialog__error-title{color:#7f322c;margin:0 0 4px;font-size:.92rem;font-weight:700}.excel-import-dialog__error-message{color:#a8443a;margin:0;font-size:.92rem;line-height:1.5}.excel-import-dialog__error-close{color:#a8443a;cursor:pointer;background:0 0;border:none;border-radius:999px;width:1.9rem;height:1.9rem;padding:0;font-size:1.25rem;line-height:1}@media (width<=720px){.excel-import-dialog{border-radius:20px;padding:18px}.excel-import-dialog__layout{grid-template-columns:1fr}.excel-import-dialog__panel,.excel-import-dialog__panel-block--primary{min-height:auto}.excel-import-dialog__section-header{flex-direction:column;align-items:flex-start;min-height:0}.excel-import-dialog__header-spacer{display:none}.excel-import-dialog__sample-links{justify-content:flex-start}.excel-import-dialog__dropzone{padding:28px 18px}.excel-import-dialog__textarea{height:11rem;min-height:11rem}.excel-import-dialog__example-row{grid-template-columns:1fr}.excel-import-dialog__example-row span+span{border-left:none}.excel-import-dialog__error-popover{grid-template-columns:auto 1fr;bottom:20px}.excel-import-dialog__error-close{grid-column:2;justify-self:end}}.history-dialog__overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#14100c85;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.history-dialog{background:radial-gradient(circle at 100% 0,#b85c441a,#0000 34%),linear-gradient(#fffffffb,#f8f1e8fb);border:1px solid #b85c442e;border-radius:24px;grid-template-rows:auto auto minmax(0,1fr);width:min(100%,42rem);max-height:min(100vh - 40px,50rem);padding:22px;display:grid;box-shadow:0 26px 70px #120d0933}.history-dialog__header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.history-dialog__heading{min-width:0}.history-dialog__title-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.history-dialog__title{font-family:var(--font-serif);letter-spacing:-.03em;color:var(--text);margin:0;font-size:clamp(1.5rem,4vw,2rem);line-height:1.1}.history-dialog__count{background:var(--accent-soft);min-width:2rem;height:2rem;color:var(--accent);border-radius:999px;justify-content:center;align-items:center;padding:0 .65rem;font-size:.85rem;font-weight:700;display:inline-flex}.history-dialog__description{color:var(--text-muted);margin:8px 0 0;font-size:.95rem;line-height:1.5}.history-dialog__close{border:1px solid var(--border);width:2.5rem;height:2.5rem;color:var(--text-muted);cursor:pointer;background:#ffffffb8;border-radius:999px;font-size:1.5rem;line-height:1;transition:border-color .15s,background .15s,color .15s}.history-dialog__close:hover{border-color:var(--border-strong);background:var(--bg-elevated);color:var(--text)}.history-dialog__actions{justify-content:flex-end;gap:10px;margin-top:18px;display:flex}.history-dialog__body{min-height:0;margin-top:14px}.history-panel__empty{color:var(--text-muted);margin:0;padding:4px 0 2px;font-size:.9rem}.history-table-wrap{scrollbar-width:thin;scrollbar-color:#b85c446b transparent;max-height:22rem;overflow:auto}.history-table-wrap::-webkit-scrollbar{width:10px;height:10px}.history-table-wrap::-webkit-scrollbar-track{background:0 0}.history-table-wrap::-webkit-scrollbar-thumb{background:#b85c4461 padding-box padding-box;border:2px solid #0000;border-radius:999px}.history-table-wrap::-webkit-scrollbar-thumb:hover{background:#b85c4485 padding-box padding-box}.history-table-wrap .history-input-table thead th{z-index:2;position:sticky;top:0}.history-input-table tbody td.history-cell-text{font-family:var(--font-sans);color:var(--text);word-break:break-word;padding:7px 8px;font-size:.8125rem;line-height:1.35}.history-row-link{max-width:100%;color:var(--accent);font:inherit;font-weight:600;line-height:inherit;text-align:left;text-underline-offset:.14em;cursor:pointer;background:0 0;border:none;padding:0;text-decoration:underline;text-decoration-thickness:1px;display:inline-flex}.history-row-link:hover{color:var(--accent-hover);text-decoration-thickness:2px}.history-row-link:focus-visible{outline:2px solid var(--sheet-focus);outline-offset:2px;border-radius:4px}@media (width<=720px){.history-dialog{border-radius:20px;padding:18px}.history-dialog__header{gap:12px}}.circle-layout-view__base{fill:var(--drawing-waste);stroke:var(--drawing-line);stroke-width:4px}.circle-layout-view__piece{fill:#d9b7a6cc;stroke:var(--drawing-line);stroke-width:4px}.circle-layout-view__label-size{font-weight:500}.circle-layout-view__summary-swatch{border-radius:999px}.sheet-toggle{justify-content:center;align-items:center;width:100%;min-height:32px;padding:0;display:flex}.sheet-toggle__input{margin:0}.sheet-toggle__label{color:var(--text);font-size:.8125rem}.input-table--params.input-table--single{min-width:0}.input-table--params.input-table--single col{width:100%}.sheet-layout-view__base{fill:var(--drawing-waste)}.sheet-layout-view__sheet-outline{fill:none;stroke:var(--drawing-line);stroke-width:4px;vector-effect:non-scaling-stroke}.sheet-layout-view__waste{fill:var(--drawing-waste)}.sheet-layout-view__piece{stroke:var(--drawing-line);stroke-width:4px}.sheet-layout-view__label-size{font-weight:600}.sheet-layout-view__summary-swatch{border-radius:2px}