:root{color-scheme:light;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
[hidden]{display:none!important}
body{margin:0}
/* Layout: inputs on the left, live results on the right (dark headline band like parilon.co.uk); stacks on phones with a sticky saving bar */
:root{
  --bg:#f4fdf8; --surface:#ffffff; --ink:#0f1512; --muted:#4a5450; --line:#d3e2da;
  --sign:#0a7b46; --sign-soft:#ddf8eb; --accent:#66cc99; --on-accent:#0f1512;
  --good:#0a7b46; --good-soft:#ddf8eb; --bad:#b22616; --bad-soft:#fbe9e6; --warn:#7a5300; --warn-soft:#fdf2d4;
  --hero-bg:#0f1512; --hero-fg:#ffffff; --hero-muted:#b4c2bb; --hero-line:#2a3630; --hero-good:#66cc99; --hero-bad:#ff9c8c;
  --chip-bg:#0f1512; --chip-fg:#ffffff;
  --c1:#b7e4cd; --c2:#66cc99; --c3:#0a7b46; --c4:#7d8a84; --c5:#0f1512;
  --display:"Gill Sans","Gill Sans MT","Gill Sans Nova",Calibri,"Trebuchet MS","Segoe UI",system-ui,sans-serif;
  --body:"Gill Sans","Gill Sans MT","Gill Sans Nova",Calibri,"Trebuchet MS","Segoe UI",system-ui,sans-serif;
  --data:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:14px; --rf:10px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b100d; --surface:#141c18; --ink:#e8f0ec; --muted:#9db0a6; --line:#26332d;
  --sign:#66cc99; --sign-soft:#15291f; --accent:#66cc99; --on-accent:#0f1512;
  --good:#66cc99; --good-soft:#15291f; --bad:#f08a7a; --bad-soft:#35150f; --warn:#f0c062; --warn-soft:#3a2c0d;
  --hero-bg:#1d2622; --hero-fg:#ffffff; --hero-muted:#a9b8b0; --hero-line:#33423b; --hero-good:#66cc99; --hero-bad:#ff9c8c;
  --chip-bg:#ddf8eb; --chip-fg:#0f1512;
  --c1:#2c5a43; --c2:#3f9a6c; --c3:#66cc99; --c4:#6f7d76; --c5:#e8f0ec; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0b100d; --surface:#141c18; --ink:#e8f0ec; --muted:#9db0a6; --line:#26332d;
  --sign:#66cc99; --sign-soft:#15291f; --accent:#66cc99; --on-accent:#0f1512;
  --good:#66cc99; --good-soft:#15291f; --bad:#f08a7a; --bad-soft:#35150f; --warn:#f0c062; --warn-soft:#3a2c0d;
  --hero-bg:#1d2622; --hero-fg:#ffffff; --hero-muted:#a9b8b0; --hero-line:#33423b; --hero-good:#66cc99; --hero-bad:#ff9c8c;
  --chip-bg:#ddf8eb; --chip-fg:#0f1512;
  --c1:#2c5a43; --c2:#3f9a6c; --c3:#66cc99; --c4:#6f7d76; --c5:#e8f0ec; color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.5;padding:0 16px 96px}
.wrap{max-width:1180px;margin:0 auto}
header.top{display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding-block:28px 24px}
.theme-toggle{display:inline-flex;align-items:center;gap:8px;background:var(--surface);color:var(--ink);border:1px solid var(--line);padding:0 14px 0 12px;font-size:.9rem}
.theme-toggle:hover{border-color:var(--sign)}
.theme-toggle svg{width:18px;height:18px;flex:none}
.theme-toggle .moon{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .moon{display:block}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-toggle .sun{display:none}:root:not([data-theme="light"]) .theme-toggle .moon{display:block}}
@media (max-width:520px){.theme-toggle .tlabel{display:none}.theme-toggle{padding:0 12px}}
.chip{display:inline-block;font-family:var(--data);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;background:var(--chip-bg);color:var(--chip-fg);padding:6px 10px;border-radius:6px}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance}
h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:300;line-height:1.05;letter-spacing:-.02em}
h1 b{font-weight:600}
h2{font-size:1.25rem;font-weight:600;margin-bottom:14px}
.sub{color:var(--muted);margin:0;max-width:60ch}
.grid{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:900px){.grid{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px}
form.inputs{display:flex;flex-direction:column;gap:24px}
@media (min-width:901px){form.inputs{position:sticky;top:calc(env(safe-area-inset-top,0px) + 16px);max-height:calc(100vh - 32px);overflow:auto}}
fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
legend{font-family:var(--data);font-weight:700;font-size:.7rem;text-transform:uppercase;letter-spacing:.14em;color:var(--sign);margin-bottom:10px;padding:0}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:.95rem;font-weight:600}
.hint{font-size:.82rem;color:var(--muted);line-height:1.35;font-weight:400}
.ctl{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:var(--rf);background:var(--bg);overflow:hidden}
.ctl:focus-within{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--sign)}
.ctl span{display:flex;align-items:center;padding:0 12px;color:var(--muted);font-family:var(--data);font-size:.9rem;background:var(--surface)}
.ctl input,.ctl select{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;font-variant-numeric:tabular-nums;padding:10px 12px;min-height:44px;outline:none}
.readout{display:flex;justify-content:space-between;gap:8px;font-size:.9rem;padding:9px 12px;border-radius:var(--rf);background:var(--sign-soft)}
.readout b{font-family:var(--data);font-weight:700}
button{font:inherit;cursor:pointer;min-height:44px;border-radius:var(--rf);padding:0 18px;font-weight:600}
.btn-quiet{background:var(--accent);border:0;color:var(--on-accent)}
.btn-quiet:hover{filter:brightness(1.05)}
button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.results{display:flex;flex-direction:column;gap:20px;min-width:0}
.hero{background:var(--hero-bg);color:var(--hero-fg);border-color:var(--hero-bg)}
.headline{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px;align-items:center}
@media (max-width:620px){.headline{grid-template-columns:minmax(0,1fr)}}
.eyebrow{font-family:var(--data);font-size:.7rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:700}
.hero .eyebrow,.hero .sub{color:var(--hero-muted)}
.big{font-family:var(--display);font-weight:300;font-size:clamp(2.6rem,7vw,4.2rem);line-height:1;letter-spacing:-.02em;margin-block:8px 6px;font-variant-numeric:tabular-nums}
.pos{color:var(--good)} .neg{color:var(--bad)}
.hero .pos{color:var(--hero-good)} .hero .neg{color:var(--hero-bad)}
.kv{display:grid;grid-template-columns:1fr auto;gap:8px 16px;font-size:.95rem;margin:0}
.kv dt{color:var(--muted)} .kv dd{margin:0;text-align:right;font-family:var(--data);font-weight:700;font-size:.9rem;font-variant-numeric:tabular-nums}
.hero .kv dt{color:var(--hero-muted)} .hero .kv{border-left:1px solid var(--hero-line);padding-left:24px}
@media (max-width:620px){.hero .kv{border-left:0;padding-left:0;border-top:1px solid var(--hero-line);padding-top:16px}}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:14px}
.pill.ok{background:var(--good-soft);color:var(--good)} .pill.off{background:var(--warn-soft);color:var(--warn)}
.notice{background:var(--warn-soft);color:var(--warn);border-radius:var(--rf);padding:10px 14px;font-size:.92rem;font-weight:600;margin:16px 0 0}
.bars{display:flex;flex-direction:column;gap:14px}
.bar-row{display:grid;grid-template-columns:120px minmax(0,1fr) 100px;gap:12px;align-items:center;font-size:.95rem}
@media (max-width:520px){.bar-row{grid-template-columns:minmax(0,1fr) auto}.bar-row .track{grid-column:1/-1;order:3}}
.track{display:flex;height:30px;border-radius:8px;overflow:hidden;background:var(--bg);gap:2px}
.track i{display:block;height:100%;transition:width .3s ease}
.bar-row .v{text-align:right;font-family:var(--data);font-weight:700;font-size:.9rem}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.85rem;color:var(--muted);margin-top:16px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.tbl{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem;min-width:620px}
th,td{padding:10px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
td{font-family:var(--data);font-size:.85rem;font-variant-numeric:tabular-nums}
th:first-child,td:first-child{text-align:left;font-family:var(--body);font-size:.95rem}
thead th{font-family:var(--data);font-size:.66rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
tfoot td{font-weight:700;border-bottom:0;border-top:2px solid var(--ink)}
td.neg{color:var(--bad)}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}
@media (max-width:760px){.two{grid-template-columns:minmax(0,1fr)}}
.tiers table{min-width:0}
.tiers tr.dim td{color:var(--muted)}
details summary{cursor:pointer;font-family:var(--display);font-weight:600;font-size:1.1rem;min-height:44px;display:flex;align-items:center}
details ol{margin:6px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:6px;max-width:68ch}
details p{max-width:68ch}
.stickybar{position:fixed;left:0;right:0;bottom:0;background:var(--hero-bg);color:var(--hero-fg);padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));display:none;justify-content:space-between;align-items:center;gap:12px;z-index:5}
.stickybar .eyebrow{color:var(--hero-muted)}
.stickybar strong{font-family:var(--display);font-weight:600;font-size:1.4rem}
.stickybar .pos{color:var(--hero-good)} .stickybar .neg{color:var(--hero-bad)}
@media (max-width:900px){.stickybar{display:flex}}
footer{color:var(--muted);font-size:.85rem;padding-block:28px 8px}
@media (prefers-reduced-motion:reduce){.track i{transition:none}}

/* Site chrome */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-block:16px 0;flex-wrap:wrap}
.topbar nav{display:flex;gap:6px;flex-wrap:wrap}
.topbar nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:var(--rf);color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem}
.topbar nav a:hover{background:var(--sign-soft)}
.topbar nav a[aria-current="page"]{background:var(--sign-soft);color:var(--sign)}
a{color:var(--sign)}
a:focus-visible{outline:2px solid var(--sign);outline-offset:2px;border-radius:4px}
/* Save form */
.ctl textarea{flex:1;min-width:0;border:0;background:transparent;color:var(--ink);font:inherit;padding:10px 12px;min-height:88px;resize:vertical;outline:none}
.btn-primary{background:var(--accent);border:0;color:var(--on-accent)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-secondary{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-secondary:hover{border-color:var(--sign);color:var(--sign)}
.actions{display:flex;flex-direction:column;gap:10px}
.err{color:var(--bad);font-size:.85rem;font-weight:600}
.ctl.invalid{border-color:var(--bad)}
.public-note{font-size:.85rem;color:var(--muted);background:var(--bg);border:1px dashed var(--line);border-radius:var(--rf);padding:10px 12px;margin:0}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.flash{background:var(--good-soft);color:var(--good);border-radius:var(--rf);padding:12px 16px;font-weight:600;margin-bottom:20px}
.flash.bad{background:var(--bad-soft);color:var(--bad)}
.loaded{background:var(--sign-soft);border-radius:var(--rf);padding:12px 16px;margin-bottom:20px;font-size:.95rem}
/* Saved list */
.listbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.search{display:flex;gap:8px;flex:1;max-width:460px;min-width:0}
.search .ctl{flex:1}
.count{color:var(--muted);font-size:.92rem}
table.saved{min-width:760px}
table.saved td:first-child{font-family:var(--data);font-size:.82rem;color:var(--muted)}
table.saved td.client{text-align:left;font-family:var(--body);font-size:.98rem}
table.saved td.client a{font-weight:600;color:var(--ink);text-decoration:none}
table.saved td.client a:hover{color:var(--sign);text-decoration:underline}
table.saved td.client small{display:block;color:var(--muted);font-size:.82rem;font-weight:400;white-space:normal;max-width:36ch;overflow:hidden;text-overflow:ellipsis}
table.saved td.who{text-align:left;font-family:var(--body);font-size:.92rem}
table.saved tbody tr:hover{background:var(--bg)}
.pos-t{color:var(--good)} .neg-t{color:var(--bad)}
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:16px}
/* Detail */
.meta{display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--muted);font-size:.95rem}
.meta b{color:var(--ink);font-weight:600}
.notes{white-space:pre-wrap;max-width:68ch;margin:0}
.assump{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:8px 28px}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap}
.detail-actions a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:var(--rf);font-weight:600;text-decoration:none}
.btn-danger{background:transparent;border:1px solid var(--bad);color:var(--bad)}
.btn-danger:hover{background:var(--bad-soft)}
.btn-danger-solid{background:var(--bad);border:0;color:var(--surface)}
.btn-danger-solid:hover{filter:brightness(1.08)}
.detail-actions a.btn-danger{margin-left:auto}
.btn-sm{min-height:36px;padding:0 12px;font-size:.85rem}
.linkbtn{background:none;border:0;padding:0 2px;min-height:0;color:inherit;font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}
.flash form{margin:0}
.prose{max-width:68ch}
.prose h2{margin-top:24px}