:root {
  --ink: #18212b;
  --muted: #5e6b78;
  --desk: #e6eaee;
  --panel: #ffffff;
  --field: #f6f8f9;
  --line: #d5dbe1;
  --red: #c8102e;
  --slate: #3e5568;
  --grey: #8a99a8;
  --ochre: #b0651c;
  --focus: #1d6fd1;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e7ecf1; --muted: #9aa7b4; --desk: #12181f; --panel: #1b232c; --field: #222c36;
    --line: #34404c; --slate: #7f9bb3; --grey: #5f6e7c; --red: #e5484d; --ochre: #d98b3a; --focus: #6aa8f0;
    color-scheme: dark;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--desk); color: var(--ink);
  font: 15px/1.5 "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-variant-numeric: tabular-nums;
}
button, input, select { font: inherit; color: inherit; }

.topbar {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .25rem 2rem;
  padding: 1.1rem clamp(1rem, 3vw, 2.5rem); border-bottom: 1px solid var(--line); background: var(--panel);
}
.brand { display: flex; flex-direction: column; gap: .15rem; }
.byline { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .2rem .9rem; font-size: .84rem; color: var(--muted); }
.byline strong { color: var(--ink); font-weight: 600; margin-right: .2rem; }
.byline a { display: inline-flex; align-items: center; gap: .3rem; color: var(--muted); text-decoration: none; }
.byline a:hover { color: var(--red); }
.byline a:focus-visible, .site-foot a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.byline svg { width: 1rem; height: 1rem; flex: none; }
@media (max-width: 560px) { .byline a span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); } .byline svg { width: 1.2rem; height: 1.2rem; } }
.topbar h1 { margin: 0; font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; }
.topbar h1 .flag { display: inline-block; margin-left: .35rem; padding: 0 .4rem; background: var(--red); color: #fff; font-weight: 500; border-radius: 2px; }
.langs { display: flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; margin-left: auto; }
.langs button { border: 0; background: none; padding: .3rem .6rem; cursor: pointer; font-size: .82rem; color: var(--muted); }
.langs button + button { border-left: 1px solid var(--line); }
.langs button[aria-pressed="true"] { background: var(--ink); color: var(--panel); font-weight: 500; }
.topbar-note { margin: 0; color: var(--muted); font-size: .85rem; max-width: 60ch; flex: 1 1 20rem; }

.layout {
  display: grid; grid-template-columns: minmax(330px, 440px) minmax(0, 1fr); gap: 1.5rem;
  padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 3rem; max-width: 1500px; margin: 0 auto;
}
@media (max-width: 960px) { .layout { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; }

/* ---------- Formulaire ---------- */
.form { padding: .5rem 1.25rem 1.25rem; align-self: start; }
@media (min-width: 961px) { .form { position: sticky; top: 1rem; max-height: calc(100vh - 2rem); overflow-y: auto; } }
fieldset { border: 0; border-bottom: 1px solid var(--line); margin: 0; padding: 1rem 0 1.1rem; }
fieldset:last-of-type { border-bottom: 0; }
legend { float: left; width: 100%; padding: 0; margin-bottom: .7rem; font-family: "IBM Plex Sans Condensed", sans-serif; font-weight: 600; font-size: 1.02rem; }
legend + * { clear: both; }
.grid2, .grid3 { display: grid; gap: .6rem .75rem; margin-bottom: .6rem; }
.grid2 { grid-template-columns: 1fr 1fr; }
.grid3 { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: end; }
@media (max-width: 480px) { .grid3 { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: .2rem; font-size: .8rem; color: var(--muted); }
.field.narrow { max-width: 16rem; margin-top: .5rem; }
.field input, .field select {
  width: 100%; padding: .45rem .55rem; border: 1px solid var(--line); border-radius: 4px; background: var(--field); font-size: .92rem;
}
.field input:focus, .field select:focus, .check input:focus-visible, button:focus-visible, .segmented input:focus-visible + span, summary:focus-visible {
  outline: 2px solid var(--focus); outline-offset: 1px;
}
.check { display: flex; gap: .5rem; align-items: flex-start; font-size: .88rem; margin: .35rem 0; }
.check input { margin-top: .25rem; accent-color: var(--red); }
.check small { display: block; color: var(--muted); font-size: .78rem; }
.check.inline { align-self: center; margin: 0; }
.checks { margin: .2rem 0 .3rem; }
.hint { margin: .2rem 0 .7rem; font-size: .8rem; color: var(--muted); }
.hidden { display: none !important; }

.segmented { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.segmented label { position: relative; }
.segmented input { position: absolute; opacity: 0; }
.segmented span { display: block; padding: .5rem .3rem; text-align: center; font-size: .86rem; cursor: pointer; border-right: 1px solid var(--line); }
.segmented label:last-child span { border-right: 0; }
.segmented input:checked + span { background: var(--ink); color: var(--panel); font-weight: 500; }

.advanced { margin-top: .8rem; }
.advanced summary { cursor: pointer; font-size: .88rem; font-weight: 500; }
.param { display: grid; grid-template-columns: 1fr 7.5rem; gap: .5rem; align-items: center; padding: .3rem 0; border-top: 1px solid var(--line); font-size: .78rem; }
.param small { display: block; color: var(--muted); }
.param input { padding: .3rem .4rem; border: 1px solid var(--line); border-radius: 3px; background: var(--field); text-align: right; width: 100%; }
.param input.changed { border-color: var(--red); }

/* ---------- Pied de page ---------- */
.site-foot { max-width: 1500px; margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2.5rem) 2.5rem; display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 1.5rem 2.5rem; font-size: .84rem; color: var(--muted); }
@media (max-width: 960px) { .site-foot { grid-template-columns: 1fr; } }
.site-foot h2 { margin: 0 0 .35rem; font-size: .92rem; font-weight: 600; color: var(--ink); }
.site-foot p { margin: 0 0 .5rem; max-width: 72ch; }
.about { display: flex; gap: 1rem; align-items: flex-start; padding: 1.1rem 1.25rem; background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--red); border-radius: 6px; }
.about img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex: none; }
.about p { color: var(--ink); }
.about-text p { margin: 0 0 .55rem; }
.about-links { display: flex; flex-wrap: wrap; gap: .3rem 1rem; margin: 0; }
.about-links a, .disclaimer a { color: var(--slate); }
.disclaimer { padding-top: 1.1rem; }
.site-foot .copyright { grid-column: 1 / -1; max-width: none; margin: 0; padding-top: .9rem; border-top: 1px solid var(--line); font-size: .78rem; }

/* ---------- Résultats ---------- */
.results { padding: 1.25rem clamp(1rem, 2.5vw, 2rem) 2rem; min-width: 0; }
.error { padding: .75rem 1rem; border-left: 3px solid var(--red); background: color-mix(in srgb, var(--red) 8%, transparent); margin-bottom: 1rem; }

.ribbon { margin-bottom: 1.5rem; }
.ribbon-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: .5rem; }
.ribbon-head strong { font-size: 1rem; font-weight: 600; }
.ribbon-head span { color: var(--muted); font-size: .85rem; }
.ribbon-bar { display: flex; height: 3.25rem; border-radius: 4px; overflow: hidden; }
.ribbon-bar div { min-width: 2px; transition: flex-grow .35s ease; }
.seg-er { background: var(--slate); }
.seg-ee { background: var(--grey); }
.seg-is { background: var(--ochre); }
.seg-net { background: var(--red); }
.ribbon-legend { display: flex; flex-wrap: wrap; gap: .35rem 1.25rem; margin: .6rem 0 0; padding: 0; list-style: none; font-size: .84rem; }
.ribbon-legend li { display: flex; align-items: center; gap: .4rem; }
.ribbon-legend i { width: .8rem; height: .8rem; border-radius: 2px; display: inline-block; }
.ribbon-legend b { font-weight: 600; }
@media (prefers-reduced-motion: reduce) { .ribbon-bar div { transition: none; } }

.keyfigures { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 1.25rem; }
.keyfigures > div { padding: .9rem 1rem .9rem 0; }
.keyfigures > div + div { padding-left: 1rem; border-left: 1px solid var(--line); }
.kf-label { font-size: .84rem; color: var(--muted); }
.kf-value { font-size: clamp(1.35rem, 2.6vw, 1.9rem); font-weight: 600; letter-spacing: -.02em; line-height: 1.2; }
.kf-net .kf-value { color: var(--red); }
.kf-sub { font-size: .8rem; color: var(--muted); }
@media (max-width: 560px) { .keyfigures { grid-template-columns: 1fr; } .keyfigures > div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); } }

.alerts { margin: 0 0 1.25rem; padding: 0; list-style: none; font-size: .85rem; }
.alerts li { padding: .4rem 0 .4rem .9rem; border-left: 2px solid var(--ochre); margin-bottom: .35rem; color: var(--muted); }

.tabs { display: flex; gap: 1.5rem; border-bottom: 1px solid var(--line); margin-bottom: 1rem; }
.tabs button { background: none; border: 0; padding: .5rem 0; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--ink); font-weight: 500; }

.calc { width: 100%; border-collapse: collapse; font-size: .88rem; margin-bottom: 1.4rem; }
.calc caption { text-align: left; font-weight: 600; padding-bottom: .35rem; font-family: "IBM Plex Sans Condensed", sans-serif; font-size: .98rem; }
.calc th, .calc td { padding: .32rem .4rem; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.calc th:first-child, .calc td:first-child { text-align: left; white-space: normal; padding-left: 0; }
.calc thead th { font-weight: 500; color: var(--muted); font-size: .78rem; }
.calc tfoot td { font-weight: 600; border-bottom: 0; border-top: 2px solid var(--ink); }
.table-wrap { overflow-x: auto; }
.calc.synth td { white-space: normal; }
.calc.synth td:last-child { min-width: 9rem; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; }
@media (max-width: 1200px) { .detail-grid { grid-template-columns: 1fr; } }

/* ---------- Feuilles imprimables : fiche de salaire et mémento ---------- */
.sheet-actions { display: flex; justify-content: flex-end; margin-bottom: .75rem; }
.sheet-actions button { padding: .45rem .9rem; border: 1px solid var(--ink); background: var(--ink); color: var(--panel); border-radius: 4px; cursor: pointer; }
.sheet {
  --ink: #18212b; --muted: #5e6b78; --line: #d5dbe1; color-scheme: light;
  background: #fff; color: var(--ink); max-width: 760px; margin: 0 auto; padding: 2.4rem 2.6rem 2rem;
  box-shadow: 0 1px 2px rgba(24, 33, 43, .08), 0 8px 24px rgba(24, 33, 43, .08); font-size: .86rem;
}
.slip-head { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.8rem; }
.slip-employer { font-weight: 600; font-size: 1rem; }
.slip-employer small { display: block; font-weight: 400; color: var(--muted); font-size: .8rem; }
.slip-address { padding-top: 1.6rem; line-height: 1.45; }
.sheet h2 { margin: 0 0 .2rem; font-size: 1.15rem; font-weight: 600; }
.slip-period { color: var(--muted); margin: 0 0 1rem; }
.sheet .slip-period { margin-bottom: .6rem; }
.slip-info { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .3rem 1rem; padding: .7rem 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); margin-bottom: 1rem; font-size: .8rem; }
.slip-info dt { color: var(--muted); }
.slip-info dd { margin: 0 0 .2rem; font-weight: 500; }
.slip table { width: 100%; border-collapse: collapse; }
.slip th, .slip td { padding: .26rem .3rem; text-align: right; white-space: nowrap; }
.slip th:first-child, .slip td:first-child { text-align: left; white-space: normal; padding-left: 0; }
.slip thead th { font-weight: 500; color: var(--muted); font-size: .76rem; border-bottom: 1px solid var(--line); }
.slip .sub td { font-weight: 600; border-top: 1px solid var(--line); padding-top: .4rem; padding-bottom: .55rem; }
.slip .group td { padding-top: .7rem; color: var(--muted); font-size: .78rem; }
.slip .neg { color: var(--ink); }
.slip .total td { font-weight: 600; font-size: 1rem; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); padding: .5rem .3rem; }
.slip .total td:first-child { padding-left: 0; }
.slip-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 1.4rem; font-size: .78rem; color: var(--muted); }
.slip-foot h3 { margin: 0 0 .3rem; font-size: .8rem; color: var(--ink); font-weight: 600; }
.slip-foot table td { padding: .12rem 0; }
.slip-stamp { margin-top: 1.6rem; padding-top: .6rem; border-top: 1px dashed var(--line); font-size: .74rem; color: var(--muted); }

/* Mémento comptable */
.memo-intro { margin: 0 0 1rem; font-size: .8rem; color: var(--muted); max-width: 70ch; }
.journal { width: 100%; border-collapse: collapse; font-size: .82rem; }
.journal th, .journal td { padding: .22rem .35rem; text-align: right; white-space: nowrap; }
.journal th:nth-child(2), .journal td:nth-child(2) { text-align: left; white-space: normal; width: 100%; }
.journal th:nth-child(3), .journal td:nth-child(3) { text-align: left; color: var(--muted); }
.journal th:first-child, .journal td:first-child { text-align: left; padding-left: 0; color: var(--muted); }
.journal thead th { font-weight: 500; color: var(--muted); font-size: .74rem; border-bottom: 1px solid var(--ink); }
.journal .entry + .entry .head td { border-top: 1px solid var(--line); }
.journal .head td { padding-top: .5rem; font-weight: 600; color: var(--ink); }
.journal .head small { font-weight: 400; color: var(--muted); }
.journal .cr td:nth-child(2) { padding-left: 1.6rem; }
.journal tfoot td { font-weight: 600; border-top: 2px solid var(--ink); padding-top: .4rem; }
.memo-check { margin: .35rem 0 0; font-size: .78rem; color: var(--muted); text-align: right; }
.memo-check.ko { color: var(--red); font-weight: 600; }
.journal.cred td:first-child { color: var(--ink); white-space: normal; width: 100%; }
.journal.cred th:nth-child(2), .journal.cred td:nth-child(2) { width: auto; text-align: right; white-space: nowrap; }
.journal.cred th:nth-child(3), .journal.cred td:nth-child(3) { text-align: right; color: var(--ink); }
.journal.cred td:last-child { font-weight: 600; }
.memo-sub { margin: 1.4rem 0 .4rem; font-size: .92rem; font-weight: 600; }
.memo-notes { margin: 0; padding-left: 1.1rem; font-size: .78rem; color: var(--muted); }
.memo-notes li { margin-bottom: .3rem; }
@media (max-width: 640px) {
  .sheet { padding: 1.3rem 1rem; }
  .slip-head, .slip-foot { grid-template-columns: 1fr; }
  .slip-info { grid-template-columns: 1fr 1fr; }
}

@media print {
  @page { size: A4; margin: 9mm 13mm 8mm; }
  body { background: #fff; }
  .topbar, .site-foot, .form, .ribbon, .keyfigures, #alerts, .tabs, #tab-detail, .sheet-actions, .error { display: none !important; }
  .layout { display: block; padding: 0; }
  .panel { border: 0; padding: 0; }
  .sheet { box-shadow: none; max-width: none; padding: 0; font-size: 9pt; line-height: 1.32; }
  .slip-head { margin-bottom: .9rem; }
  .slip-address { padding-top: .5rem; }
  .sheet h2 { font-size: 13pt; }
  .slip-period { margin-bottom: .45rem; }
  .slip-info { padding: .4rem 0; margin-bottom: .5rem; gap: .1rem 1rem; }
  .slip-info dd { margin-bottom: 0; }
  .slip th, .slip td { padding-top: .12rem; padding-bottom: .12rem; }
  .slip .group td { padding-top: .35rem; }
  .slip .sub td { padding-top: .25rem; padding-bottom: .3rem; }
  .slip .total td { padding: .3rem .3rem; }
  .slip-foot { margin-top: .8rem; gap: 1rem; }
  .slip-foot table td { padding: .05rem 0; }
  .slip-stamp { margin-top: .7rem; padding-top: .35rem; }
  .memo { font-size: 8.5pt; }
  .memo-head h2 { margin-bottom: 0; }
  .memo-intro { margin-bottom: .4rem; font-size: 7.5pt; }
  .journal { font-size: 8pt; line-height: 1.2; }
  .journal th, .journal td { padding-top: .04rem; padding-bottom: .04rem; }
  .journal .head td { padding-top: .22rem; }
  .memo-check { font-size: 7.5pt; margin-top: .15rem; }
  .memo-sub { margin: .55rem 0 .2rem; font-size: 9pt; }
  .memo-notes { font-size: 7.3pt; line-height: 1.25; }
  .memo-notes li { margin-bottom: .1rem; }
  .entry, .slip tr { break-inside: avoid; }
}