/* Mise en page : formulaire numéroté à gauche, comme une déclaration fiscale ; relevé de calcul à droite, comme un décompte. */
:root{
  --bg:#EDF0F4;
  --surface:#FFFFFF;
  --ink:#16202E;
  --muted:#586478;
  --line:#D3DAE3;
  --accent:#1F4E79;
  --accent-ink:#FFFFFF;
  --accent-soft:#E3ECF6;
  --warn-bg:#FFF0CF;
  --warn-ink:#6E4300;
  --warn-line:#E9C77A;
  --good:#1B6B4A;
  --bad:#9B2C2C;
  --font-display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --font-body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --font-num:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0E1520;
    --surface:#172131;
    --ink:#E6EBF2;
    --muted:#9AA7B8;
    --line:#2A374A;
    --accent:#86B7E8;
    --accent-ink:#0E1520;
    --accent-soft:#1D2D43;
    --warn-bg:#3A2D10;
    --warn-ink:#F2C972;
    --warn-line:#6B5220;
    --good:#6FD0A2;
    --bad:#F19A9A;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0E1520;
  --surface:#172131;
  --ink:#E6EBF2;
  --muted:#9AA7B8;
  --line:#2A374A;
  --accent:#86B7E8;
  --accent-ink:#0E1520;
  --accent-soft:#1D2D43;
  --warn-bg:#3A2D10;
  --warn-ink:#F2C972;
  --warn-line:#6B5220;
  --good:#6FD0A2;
  --bad:#F19A9A;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.5;
  padding-block:20px 40px;
  padding-left:max(16px, env(safe-area-inset-left, 0px));
  padding-right:max(16px, env(safe-area-inset-right, 0px));
}
.shell{max-width:1080px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.banner{
  background:var(--warn-bg);color:var(--warn-ink);border:1px solid var(--warn-line);
  padding:10px 14px;border-radius:6px;font-size:13px;
}
.banner strong{font-family:var(--font-num);text-transform:uppercase;letter-spacing:.08em;margin-right:8px}

.top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px}
.head{display:flex;flex-direction:column;gap:8px;max-width:62ch;min-width:0}
.kicker{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:600}
h1{
  margin:0;font-family:var(--font-display);font-weight:700;
  font-size:clamp(26px,4.2vw,40px);line-height:1.1;letter-spacing:-.01em;text-wrap:balance;
}
.lede{margin:0;color:var(--muted)}

.lang{display:flex;gap:6px;align-items:center}
.lang span{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-right:4px}
.lang button{
  font:inherit;font-family:var(--font-num);font-size:13px;letter-spacing:.06em;
  color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;
  padding:6px 12px;cursor:pointer;min-width:44px;
}
.lang button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.lang button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:20px;align-items:start}
@media (max-width:820px){.grid{grid-template-columns:minmax(0,1fr)}}

.form{counter-reset:f;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:20px;min-width:0}
.field{counter-increment:f;display:grid;grid-template-columns:28px minmax(0,1fr);gap:4px 12px}
.field > .no{
  grid-row:1 / span 4;font-family:var(--font-num);font-size:12px;color:var(--muted);
  border:1px solid var(--line);border-radius:4px;height:24px;display:flex;align-items:center;justify-content:center;
}
.field > .no::before{content:counter(f)}
.field label,.field .legend{font-weight:600;font-size:14px}
.field .hint{font-size:12.5px;color:var(--muted);margin:0}
select,input[type=number]{
  width:100%;font:inherit;color:var(--ink);background:var(--bg);
  border:1px solid var(--line);border-radius:6px;padding:9px 10px;
}
input[type=number]{font-family:var(--font-num);font-size:16px}
select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.radios{display:flex;flex-direction:column;gap:8px;border:0;padding:0;margin:0;min-width:0}
.radios label{display:flex;gap:8px;align-items:flex-start;font-weight:400;font-size:14px}
.radios input,.check input{margin-top:3px;accent-color:var(--accent)}
.check{display:flex;gap:8px;align-items:flex-start;font-weight:400;font-size:14px}
.sub-input{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.sub-input label{font-weight:500;font-size:13.5px}
.tagline{display:inline-block;font-family:var(--font-num);font-size:11px;letter-spacing:.04em;padding:1px 6px;border-radius:3px;background:var(--warn-bg);color:var(--warn-ink);white-space:nowrap}

.sheet{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;min-width:0}
.sheet-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--accent-soft)}
.sheet-head h2{margin:0;font-family:var(--font-display);font-size:16px;font-weight:700}
.sheet-body{padding:20px;display:flex;flex-direction:column;gap:22px}
.regime{margin:0;font-size:13px;color:var(--muted)}
.total{display:flex;flex-direction:column;gap:2px}
.total .amount{font-family:var(--font-num);font-weight:500;font-size:clamp(34px,7vw,52px);line-height:1.05;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.total .sub{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:14px;color:var(--muted)}
.total .sub b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.zero{margin:8px 0 0;font-size:14px;font-weight:500;color:var(--good)}
.empty{padding:14px;border:1px dashed var(--line);border-radius:6px;color:var(--muted);font-size:14px}
.empty.err{border-color:var(--bad);color:var(--bad)}

.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:460px}
th{
  text-align:right;font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);
  padding:6px 8px;border-bottom:1px solid var(--ink);
}
th:first-child,td:first-child{text-align:left}
td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:right;font-family:var(--font-num);font-variant-numeric:tabular-nums}
td:first-child{font-family:var(--font-body)}
tr.group td{padding-top:14px;font-family:var(--font-body);font-weight:600;text-align:left;border-bottom:1px solid var(--ink);color:var(--ink)}
tr.exo td{color:var(--good)}
tfoot td{border-bottom:0;border-top:1px solid var(--ink);font-weight:500}

.compare{display:flex;flex-direction:column;gap:10px}
.compare[hidden]{display:none}
.compare h3,.notes h3{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}
.bar-row{display:grid;grid-template-columns:minmax(0,190px) minmax(0,1fr) auto;gap:12px;align-items:center;font-size:13.5px}
.bar-track{background:var(--bg);border-radius:3px;height:14px;overflow:hidden}
.bar{height:100%;background:var(--accent);border-radius:3px;min-width:2px;transition:width .25s ease}
.bar.alt{background:transparent;border:2px solid var(--accent);min-width:4px}
.bar-row .val{font-family:var(--font-num);font-variant-numeric:tabular-nums;min-width:86px;text-align:right}
@media (max-width:520px){.bar-row{grid-template-columns:minmax(0,1fr) auto}.bar-track{grid-column:1 / -1;order:3}}
.delta{margin:0;font-size:14px}
.delta b{color:var(--good)}
.small{margin:0;font-size:12.5px;color:var(--muted)}

.notes{display:flex;flex-direction:column;gap:8px}
.notes ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.legal{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.legal p{margin:0}
.notice{background:var(--warn-bg);color:var(--warn-ink);border:1px solid var(--warn-line);border-radius:6px;padding:10px 12px;font-size:13px}
.notlisted{margin:0;padding-left:18px;font-size:13px;color:var(--muted)}
@media (max-width:520px){
  .sheet-body{padding:16px}
  .form{padding:16px}
  table{min-width:340px;font-size:12.5px}
  th{font-size:10.5px;letter-spacing:.04em;padding:6px 4px}
  td{padding:7px 4px}
}
footer{font-size:12.5px;color:var(--muted)}
@media (prefers-reduced-motion:reduce){.bar{transition:none}}

.howto,.sources{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.howto h2,.sources h2{margin:0;font-family:var(--font-display);font-size:18px;font-weight:700}
.howto ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:8px;font-size:14px}
.howto li::marker{font-family:var(--font-num);color:var(--muted)}
.example{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;background:var(--accent-soft);border-radius:6px;padding:12px 14px}
.example p{margin:0;font-size:13.5px;flex:1 1 320px}
.example button{font:inherit;font-weight:600;font-size:14px;color:var(--accent-ink);background:var(--accent);border:1px solid var(--accent);border-radius:6px;padding:9px 16px;cursor:pointer;min-height:44px}
.example button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.src-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px 24px}
.src-grid h3{margin:0 0 6px;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}
.src-grid ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:5px;font-size:13px}
.src-grid a{color:var(--accent);overflow-wrap:anywhere}
@media (max-width:520px){.howto,.sources{padding:16px}}

.adwrap{display:flex;flex-direction:column;gap:4px;min-height:100px}
.adlabel{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
footer{display:flex;flex-direction:column;gap:6px}
footer p{margin:0}
.foot-links a,.foot-links button{color:var(--accent);font:inherit;background:none;border:0;padding:0;cursor:pointer;text-decoration:underline}
.foot-links button{margin-left:10px}
#cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--surface);color:var(--ink);border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(0,0,0,.12);padding:14px max(16px,env(safe-area-inset-right,0px)) calc(14px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between}
#cookie-banner p{margin:0;font-size:14px;flex:1 1 320px;max-width:70ch}
.ck-actions{display:flex;gap:8px}
.ck-actions button{font:inherit;font-weight:600;font-size:14px;border-radius:6px;padding:9px 18px;min-height:44px;cursor:pointer;border:1px solid var(--accent)}
.ck-yes{background:var(--accent);color:var(--accent-ink)}
.ck-no{background:transparent;color:var(--accent)}
.legalpage p{margin:0;font-size:14px}
.legalpage h2{font-size:15px}
.back{font-size:14px}
.back a{color:var(--accent)}