:root{--sim-green:#10B981;--sim-green-d:#059669;--sim-amber:#F2A900;--sim-red:#E24B4A}
.sim-hero{position:relative;padding:var(--header-offset) 0 40px;background:var(--hero-section-gradient)}
.sim-hero::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:linear-gradient(90deg,var(--sim-green),var(--sim-green-d) 55%,var(--sim-amber))}
.sim-hero-label{display:inline-block;font-size:1.038rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-dark);background:var(--accent-bg);padding:8px 16px;border-radius:6px;margin-bottom:20px}
.sim-hero h1{font-size:clamp(2.05rem,4vw,2.85rem);margin:0 0 12px;font-weight:800;letter-spacing:.2px;color:var(--text-primary)}
.sim-hero-desc{margin:0;color:var(--text-secondary);font-size:1rem;max-width:760px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:24px 0 0}
.tab{padding:10px 18px;border-radius:9px 9px 0 0;background:var(--bg-card);color:var(--text-secondary);font-weight:600;font-size:13.5px;cursor:pointer;border:1px solid var(--border-subtle);border-bottom:3px solid transparent}
.tab.active{background:var(--bg-white);color:var(--accent);border-bottom-color:var(--sim-amber)}
.wrap{max-width:var(--container-max);margin:0 auto;padding:32px 24px 64px}
.layout{display:grid;grid-template-columns:340px 1fr;gap:20px;align-items:start}
@media(max-width:860px){.layout{grid-template-columns:1fr}}
.panel{background:var(--bg-white);border:1px solid var(--border-subtle);border-radius:14px;padding:18px 18px 8px;box-shadow:var(--shadow-sm)}
.panel h2{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin:0 0 4px;padding-left:9px;border-left:4px solid var(--sim-green)}
.panel .hint{font-size:12px;color:var(--text-muted);margin:0 0 14px;padding-left:9px}
.fieldgroup{margin:0 0 16px}
.fieldgroup-t{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);margin:0 0 8px;border-bottom:1px dashed var(--border-subtle);padding-bottom:4px}
.field{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 9px}
.field label{font-size:13px;color:var(--text-secondary);flex:1}
.field .unit{font-size:11px;color:var(--text-muted);margin-left:3px}
.field input{width:118px;padding:7px 9px;border:1px solid var(--border-subtle);border-radius:7px;font-size:13.5px;text-align:right;font-family:inherit;color:var(--text-primary);background:var(--bg-primary)}
.field input:focus{outline:2px solid var(--sim-green);border-color:var(--sim-green);background:var(--bg-white)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:0 0 18px}
.kpi{background:var(--bg-white);border:1px solid var(--border-subtle);border-radius:12px;padding:13px 15px;border-top:3px solid var(--sim-green);box-shadow:var(--shadow-sm)}
.kpi.alt{border-top-color:var(--sim-amber)}
.kpi.neg{border-top-color:var(--sim-red)}
.kpi-l{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);font-weight:600;margin:0 0 5px}
.kpi-v{font-size:21px;font-weight:800;color:var(--text-primary);margin:0;line-height:1.1}
.kpi-s{font-size:11.5px;color:var(--text-muted);margin:3px 0 0}
.block{background:var(--bg-white);border:1px solid var(--border-subtle);border-radius:14px;padding:18px;margin:0 0 18px;box-shadow:var(--shadow-sm)}
.block h3{font-size:14px;color:var(--text-primary);margin:0 0 12px;font-weight:700}
svg.chart{display:block;width:100%;height:auto}
.legend{display:flex;gap:16px;flex-wrap:wrap;margin:10px 0 0;font-size:12px;color:var(--text-secondary)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.swatch{width:13px;height:13px;border-radius:3px;display:inline-block}
table.cf{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:4px}
table.cf th{background:var(--accent);color:var(--text-on-accent);text-align:right;padding:8px 9px;font-size:10.5px;text-transform:uppercase;letter-spacing:.03em;font-weight:700;position:sticky;top:0}
table.cf th:first-child,table.cf td:first-child{text-align:left}
table.cf td{padding:7px 9px;border-bottom:1px solid var(--border-subtle);text-align:right;font-variant-numeric:tabular-nums;color:var(--text-primary)}
table.cf tr:nth-child(even) td{background:var(--bg-card-hover)}
table.cf tr.year0 td{font-weight:700;color:var(--text-primary)}
table.cf tr.payback td{background:rgba(16,185,129,.16)!important}
.tbl-scroll{max-height:420px;overflow:auto;border:1px solid var(--border-subtle);border-radius:10px}
.note{font-size:12px;color:var(--text-muted);background:var(--bg-muted);border-left:3px solid var(--sim-amber);padding:10px 12px;border-radius:0 8px 8px 0;margin:14px 0 0}
.pane{display:none}.pane.active{display:block}
.verdict{font-size:14px;background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.35);border-left:4px solid var(--sim-green);border-radius:0 10px 10px 0;padding:13px 15px;color:var(--text-primary);margin:0 0 18px}
.verdict b{color:var(--text-primary)}
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.cmp-grid{grid-template-columns:1fr}}
.cmp-col{border:1px solid var(--border-subtle);border-radius:12px;overflow:hidden}
.cmp-head{padding:11px 14px;font-weight:700;color:#fff;font-size:13.5px}
.cmp-head-rooftop{background:var(--accent)}
.cmp-head-oa{background:var(--sim-green)}
.cmp-body{padding:4px 14px 10px;background:var(--bg-white)}
.cmp-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border-subtle);font-size:13px}
.cmp-row:last-child{border-bottom:0}
.cmp-row .k{color:var(--text-secondary)}
.cmp-row .v{font-weight:700;color:var(--text-primary)}
.foot{font-size:11.5px;color:var(--text-muted);margin-top:22px;text-align:center}
/* Shared visual roles; calculator arithmetic is independent of presentation. */
.sim-page{--bg-white:var(--surface);--bg-card:var(--soft);--bg-primary:var(--surface);--bg-card-hover:var(--soft);--bg-muted:var(--soft);--text-primary:var(--ink);--text-secondary:var(--muted);--text-on-accent:#fff;--accent-dark:var(--green);--accent-bg:var(--soft);--container-max:1320px;--shadow-sm:0 5px 24px #18351208;--sim-green:var(--green);--sim-amber:var(--green)}
.sim-hero{padding:36px 0 20px;background:var(--surface)}.sim-hero:before{display:none}.sim-hero-label{font-size:.875rem;background:var(--soft)}.sim-page .wrap{width:min(1320px,calc(100% - 80px));padding-inline:0}.layout{grid-template-columns:340px minmax(0,1fr)}.layout>div,.pane,.block{min-width:0}.tab{font-size:1rem}.panel h2,.block h3{font-size:1rem}.panel .hint,.fieldgroup-t,.field label,.field .unit,.kpi-l,.kpi-s,.note,.foot,.legend{font-size:.875rem}.field input{font-size:1rem;border-color:#84927a}.kpi-v{font-size:1.5rem}.kpi{border-top:1px solid var(--line)}.kpi.alt{border-top:1px solid var(--line)}table.cf{font-size:.9375rem}table.cf th{font-size:.8125rem}.cmp-head{font-size:1rem}.cmp-row{font-size:.9375rem;gap:16px}.cmp-row .v{text-align:right}.cmp-head-oa{background:#356c42}.fieldgroup{margin-block:24px}.field{margin-bottom:14px}.field .unit{display:block;margin:2px 0 0}.fieldgroup-t{color:var(--green);font-weight:600}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.js .tabs{display:flex}.kpi-v{overflow-wrap:anywhere}[data-theme=dark] table.cf th,[data-theme=dark] .cmp-head-rooftop{color:#162313}
@media(max-width:1000px){.layout{grid-template-columns:1fr}.sim-page .wrap{width:calc(100% - 40px)}}
@media(max-width:600px){.cards{grid-template-columns:1fr 1fr}.field{align-items:flex-start}.field input{width:105px}.cmp-grid{grid-template-columns:1fr}.block{padding:14px}.tab{font-size:.875rem;padding:10px 12px}.panel{padding:18px}.sim-hero h1{font-size:2.1rem}}
:root[data-scale-large] .layout{grid-template-columns:1fr}:root[data-scale-large] .field{flex-wrap:wrap}:root[data-scale-large] .field input{width:100%}:root[data-scale-large] .cards{grid-template-columns:1fr}:root[data-scale-large] .cmp-row{flex-wrap:wrap}