:root {
  --ink: #1a1a1a;
  --black: #111111;
  --muted: #5c564c;
  --gold: #c6a15b;
  --gold-deep: #8c6a2f;
  --gold-soft: #e8d5a3;
  --paper: #f7f5f0;
  --white: #ffffff;
  --line: #e5dfd4;
  --danger: #7a2e2e;
  --ok: #1e5a38;
  --shadow: 0 18px 50px rgba(17, 17, 17, 0.06);
  --space: 1.25rem;
  --max: 1120px;
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(198, 161, 91, 0.16), rgba(198, 161, 91, 0) 180px),
    var(--paper);
  color: var(--ink);
}
img { max-width: 100%; height: auto; }
a { color: var(--ink); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.4rem;
}
h2 { font-size: 1.05rem; letter-spacing: 0.01em; margin-bottom: 0.75rem; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--black);
  color: var(--gold-soft);
  padding: 0.5rem 0.8rem;
}
.skip:focus { top: 0.5rem; z-index: 5; }

.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 4;
}
.topbar::after {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--black) 0 42%, var(--gold) 42% 58%, var(--gold-deep) 58% 100%);
}
.topbar-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem var(--space) 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem 1.5rem;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; margin-right: auto; }
.brand img { height: 52px; width: auto; display: block; }
.nav-toggle {
  display: none;
  border: 1px solid var(--black);
  background: transparent;
  padding: 0.45rem 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex-wrap: wrap;
}
.site-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a.is-active { border-bottom-color: var(--gold); color: var(--gold-deep); }
.nav-logout { margin: 0; }
.nav-logout button {
  background: none;
  border: 0;
  padding: 0.35rem 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.shell { max-width: var(--max); margin: 0 auto; padding: 2rem var(--space) 3rem; }
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--space) 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.45rem;
  color: var(--gold-deep);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--gold);
  flex: none;
}
.lede, .hint { color: var(--muted); line-height: 1.5; }
.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.page-head .lede { max-width: 42rem; margin-bottom: 0; }

.button, button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  background: var(--black);
  color: var(--gold-soft);
  border: 1px solid var(--black);
  padding: 0.7rem 1rem;
  text-decoration: none;
  cursor: pointer;
  letter-spacing: 0.02em;
}
.button:hover { background: #000; }
.button-secondary, a.button-secondary {
  background: transparent;
  color: var(--ink);
}
.button-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger);
}
.text-button {
  background: none;
  border: 0;
  padding: 0;
  color: var(--danger);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}
.text-button.quiet { color: var(--ink); }
.login-name { display: block; }
#administrateurs h3 { margin: 1.4rem 0 0.8rem; font-size: 1.05rem; }
#administrateurs .hint { margin-top: 0; }
.badge-actif { background: #f3f8f4; border-color: #b7d0bf; color: var(--ok); }
.badge-suspendu { color: var(--muted); }
.row-actions {
  display: inline-flex;
  gap: 0.85rem;
  align-items: center;
  justify-content: flex-end;
  white-space: nowrap;
}
.row-actions form { margin: 0; }
table.data td:has(.row-actions) { text-align: right; }
table.data td.nowrap { white-space: nowrap; }

.alert {
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
  background: var(--white);
  line-height: 1.45;
}
.alert-error { border-color: #e2c8c8; background: #fbf6f6; color: var(--danger); }
.alert-success { border-color: #d5e4d8; background: #f5faf6; }
.alert-info { border-color: var(--gold-soft); background: #fbf8f1; }
.field-error { color: var(--danger); margin: 0.2rem 0 0; font-size: 0.92rem; }

.panel, .auth-card, .sheet {
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.panel { padding: 1.25rem; margin-bottom: 1.25rem; }
.panel-head, .form-actions, .lines-head, .print-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.panel-head h2, .lines-head h2 { margin: 0; }
.stack { display: grid; gap: 1rem; }
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem 1rem;
}
.span-2 { grid-column: 1 / -1; }
label { display: grid; gap: 0.35rem; font-size: 0.92rem; }
fieldset {
  border: 1px solid var(--line);
  margin: 0;
  padding: 1rem;
}
legend {
  padding: 0 0.4rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--gold-deep);
}
input, select, textarea {
  width: 100%;
  border: 1px solid #d9d2c6;
  background: #fff;
  padding: 0.65rem 0.7rem;
  border-radius: 0;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--gold);
  border-color: var(--gold-deep);
}
textarea { resize: vertical; }
.check {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  align-self: end;
}
.check input { width: auto; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.checks small { display: block; color: var(--muted); }
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: end;
  margin-bottom: 1rem;
}
.filters label { min-width: min(100%, 16rem); }
.danger-zone {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.25rem;
}
.stat {
  display: grid;
  gap: 0.35rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 1rem;
  text-decoration: none;
  min-height: 7rem;
}
.stat:hover { border-color: var(--gold); }
.stat-label {
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
}
.stat-value {
  font-size: 1.8rem;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td {
  text-align: left;
  padding: 0.75rem 0.6rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data th {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
}
table.data td.num, table.data th.num, .totals td, .totals th { text-align: right; }
table.data tbody tr:hover { background: #fcfbf8; }
table.data tfoot th, table.data tfoot td {
  border-top: 2px solid var(--black);
  font-weight: 600;
}
.report-list { display: grid; gap: 1rem; }
.report-card h2 { margin: 0 0 0.4rem; font-size: 1.25rem; }
.report-card p { margin-top: 0; }
.report-sub { margin: 1.4rem 0 0.6rem; font-size: 1.05rem; }
.report-period { margin: 0; color: var(--muted); }
.report-sheet h1 { margin: 0 0 1rem; font-size: 1.7rem; }
.badge {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 0.15rem 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--white);
}
.badge-en_cours, .badge-envoyee { background: var(--black); color: var(--gold-soft); border-color: var(--black); }
.badge-soumission, .badge-brouillon { background: #fbf6ea; border-color: var(--gold); color: var(--gold-deep); }
.badge-payee, .badge-paye, .badge-termine { background: #f3f8f4; border-color: #b7d0bf; color: var(--ok); }
.badge-partiel, .badge-a_payer { background: #fbf6ea; border-color: var(--gold); color: var(--gold-deep); }
.badge-annule, .badge-annulee { color: var(--muted); }
.solde-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: var(--black);
  color: var(--gold-soft);
  padding: 1.1rem 1.25rem;
  margin: 0 0 1.25rem;
}
.solde-label {
  margin: 0;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--gold);
}
.solde-meta { margin: 0.25rem 0 0; color: var(--gold-soft); }
.solde-side { text-align: right; }
.solde-value {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.solde-box .badge { background: transparent; color: var(--gold-soft); border-color: var(--gold); }
.meta {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: 0.45rem 1rem;
  margin: 0 0 1rem;
}
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }
.payment-form { margin-top: 1rem; }
.line-row.achat-line { grid-template-columns: 1.8fr 0.6fr 0.8fr 0.7fr 0.7fr auto; }
tr[hidden] { display: none; }

.empty {
  background: var(--white);
  border: 1px dashed var(--gold);
  padding: 1.5rem;
  margin: 0.5rem 0 1rem;
}
.empty h2 { margin-bottom: 0.35rem; }
.empty-inline { box-shadow: none; }
.loading-state {
  padding: 0.7rem 0.8rem;
  border-left: 3px solid var(--gold);
  background: var(--white);
  margin-bottom: 1rem;
}

.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}
.auth-main { width: min(100%, 440px); }
.auth-card-wide { width: min(100%, 720px); }
.auth-main:has(.auth-card-wide) { width: min(100%, 720px); }
.auth-logo { display: block; margin-bottom: 1.25rem; }
.auth-logo img { width: min(100%, 420px); height: auto; }
.auth-card { padding: 1.4rem; }

.sheet { padding: 1.5rem; }
.sheet-head, .sheet-parties, .sheet-bottom {
  display: grid;
  gap: 1.25rem;
}
.sheet-head { grid-template-columns: 1.4fr 0.8fr; align-items: start; margin-bottom: 1.5rem; }
.sheet-logo { width: min(100%, 360px); }
.sheet-id { text-align: right; }
.sheet-number {
  font-size: 1.6rem;
  letter-spacing: -0.03em;
  margin: 0.2rem 0;
}
.sheet-parties { grid-template-columns: repeat(3, 1fr); margin-bottom: 1.25rem; }
.party-name { font-weight: 600; }
.sheet-bottom { grid-template-columns: 1.2fr 0.8fr; align-items: start; margin-top: 1rem; }
.print-payments { margin-top: 1.5rem; padding-top: 0.25rem; }
.print-payments h2 { margin-bottom: 0.6rem; }
.print-payments .totals.print-solde { width: min(100%, 22rem); margin-left: auto; margin-top: 0.75rem; }
.totals { width: 100%; border-collapse: collapse; }
.totals th, .totals td { padding: 0.4rem 0; border-bottom: 1px solid var(--line); font-weight: 500; }
.totals .grand th, .totals .grand td {
  border-bottom: 0;
  border-top: 2px solid var(--black);
  font-size: 1.15rem;
  padding-top: 0.7rem;
}
.preview { border-top: 3px solid var(--gold); padding-top: 0.8rem; }
.lines-editor { display: grid; gap: 0.8rem; }
.line-row {
  display: grid;
  grid-template-columns: 2fr 0.7fr 0.9fr auto auto;
  gap: 0.7rem;
  align-items: end;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--line);
}
.print-toolbar { margin-bottom: 1rem; }
.print-body { background: white; }
.print-body .sheet { box-shadow: none; margin: 0 auto; max-width: 900px; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 0.6rem;
  }
  .site-nav.is-open { display: flex; }
  .stats, .form-grid, .sheet-head, .sheet-parties, .sheet-bottom, .line-row, .line-row.achat-line {
    grid-template-columns: 1fr;
  }
  .solde-box { align-items: flex-start; flex-direction: column; }
  .solde-side { text-align: left; }
  .span-2 { grid-column: auto; }
  .sheet-id { text-align: left; }
  .page-head { align-items: stretch; flex-direction: column; }
  .brand img { height: 44px; }
  table.data thead { display: none; }
  table.data tr {
    display: block;
    border: 1px solid var(--line);
    margin-bottom: 0.75rem;
    padding: 0.35rem 0.6rem;
    background: var(--white);
  }
  table.data td {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border: 0;
    padding: 0.4rem 0;
  }
  table.data td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
}

@media print {
  body { background: white; }
  .topbar, .site-footer, .no-print, .print-toolbar, .skip { display: none !important; }
  .shell { max-width: none; padding: 0; }
  .sheet { border: 0; box-shadow: none; }
  .report-sheet { max-width: none; }
  .report-sheet h1 { font-size: 18pt; }
  table.data tr, table.data thead { break-inside: avoid; }
  table.data thead { display: table-header-group; }
  table.data tr { display: table-row; border: 0; margin: 0; padding: 0; }
  table.data td { display: table-cell; }
  table.data td::before { content: none; }
}