:root{color-scheme:light;--bg:#f7f6f1;--panel:#fff;--ink:#171b18;--muted:#68716c;--line:#dfddd4;--accent:#1f6f54;--accent-soft:#e3f1eb;--danger:#a13b2f}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--ink);font-family:Avenir Next,Verdana,sans-serif;background:var(--bg)}button,input{font:inherit}.app{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 48px}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:22px}.topbar-actions{display:flex;align-items:center;gap:10px}.eyebrow{margin:0 0 6px;color:var(--muted);font-size:.72rem;font-weight:800;text-transform:uppercase}h1,h2{margin:0;line-height:1.05}h1{font-size:clamp(2rem,5vw,4rem);font-family:Georgia,Times New Roman,serif}h2{font-size:1.15rem}.language-switcher{display:grid;grid-template-columns:repeat(3,44px);grid-gap:4px;gap:4px;padding:4px;border:1px solid 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var(--line);border-radius:8px;padding:20px;color:var(--muted);background:hsla(0,0%,100%,.55)}.builder-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.builder-card{padding:14px}.builder-card-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:12px}.mini-floors{display:grid;grid-gap:6px;gap:6px}.mini-floor{display:grid;grid-template-columns:28px 1fr 1fr;grid-gap:6px;gap:6px;align-items:center}.mini-floor span{color:var(--muted);font-weight:900}.mini-floor input{padding:8px 7px}.box-plan-grid,.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:10px;gap:10px;margin-bottom:18px}.box-plan-grid article,.metrics article{padding:14px}.box-plan-grid span,.box-plan-grid strong,.metrics span,.metrics strong{display:block}.box-plan-grid span,.metrics span{margin-bottom:8px;color:var(--muted);font-size:.72rem;font-weight:800;text-transform:uppercase}.box-plan-grid strong,.metrics strong{font-size:1.6rem}.box-plan{margin-bottom:18px;border:1px solid var(--line);border-radius:8px;padding:16px;background:var(--panel)}.box-plan h2{margin-bottom:14px}.box-plan-grid{margin-bottom:12px}.box-plan-grid article{border:1px solid var(--line);border-radius:8px;background:#fff}.plan-note{margin:0 0 4px;color:var(--muted);line-height:1.45}.farm-drawing{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));grid-gap:12px;gap:12px;align-items:flex-end;margin-bottom:18px}.battery-card{padding:12px}.battery-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.battery-toggle{display:inline-flex;align-items:center;gap:9px;font-weight:900}.battery-toggle input,.floor-bar input{width:18px;height:18px;accent-color:var(--accent)}.battery-toggle span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;color:#fff;background:var(--accent)}.battery-stack{display:grid;grid-gap:5px;gap:5px;padding:9px;border:2px solid var(--ink);background:linear-gradient(90deg,transparent 49%,rgba(23,27,24,.12) 49% 51%,transparent 51%)}.floor-bar{display:grid;grid-template-columns:22px minmax(58px,1fr) minmax(58px,1fr) auto;grid-gap:8px;gap:8px;align-items:center;min-height:30px;border:1px solid rgba(23,27,24,.36);border-radius:5px;padding:4px 8px;background:var(--accent-soft);font-weight:800}.floor-bar label{display:inline-flex;align-items:center;gap:5px;min-width:0;color:var(--ink);font-size:.78rem}.floor-bar.is-off{background:#eeeeea}.floor-bar em,.floor-bar.is-off,.floor-bar.is-off label{color:var(--muted)}.floor-bar em{font-style:normal;font-size:.78rem}.allocation-table{overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.result-row{display:grid;grid-template-columns:1.1fr repeat(5,minmax(0,1fr));grid-gap:10px;gap:10px;padding:12px 14px;border-bottom:1px solid 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