/* Charte : HC Structure & Ingénierie — bleu nuit, jaune or, crème */
:root {
  --navy: #24274a;
  --navy-2: #2f3360;
  --gold: #e9b940;
  --gold-dark: #c99a1f;
  --cream: #f4f0e5;

  --bg: #f7f6f2;
  --surface: #ffffff;
  --ink: #1f2032;
  --muted: #6a6a6a;
  --line: #e4e1d8;
  --due: #8a5a00;
  --due-soft: #fdf5e0;
  --ok: #24274a;
  --ok-soft: #eceef7;
  --err: #a32121;
  --err-soft: #fbe9e9;
  --radius: 6px;
  --head: "Roboto", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --sans: "Open Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 var(--sans); min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--navy); }
h1, h2 { font-family: var(--head); font-weight: 700; letter-spacing: -0.005em; line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(1.6rem, 3.5vw, 2.1rem); margin: 0 0 .4rem; }
h2 { font-size: 1.15rem; margin: 0 0 .9rem; }

/* Barre du haut */
.topbar { background: var(--navy); color: #fff; }
.topbar-in { max-width: 980px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar-in.wide, main.wide { max-width: 1180px; }
.brand { display: flex; align-items: center; gap: 12px; font: 700 17px var(--head); color: #fff; text-decoration: none; min-width: 0; }
.brand span:not(.brand-tag) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-logo { width: 36px; height: 36px; object-fit: contain; flex: none; border-radius: 4px; }
.brand-tag { font: 700 11px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--navy); background: var(--gold); padding: 2px 7px; border-radius: 3px; }
nav { display: flex; align-items: center; gap: 16px; flex: none; }
nav form { margin: 0; }
.nav-link, nav .link { color: #fff; font: 600 14px var(--sans); text-decoration: none; }
.nav-link { border: 1px solid rgb(255 255 255 / .45); padding: 7px 14px; border-radius: var(--radius); }
.nav-link:hover { border-color: var(--gold); color: var(--gold); }
nav .link:hover { color: var(--gold); }

main { width: 100%; max-width: 980px; margin: 0 auto; padding: 32px 16px 48px; flex: 1; }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 20px 16px 28px; border-top: 1px solid var(--line); background: var(--surface); }

/* Hero (accueil) — reprend le bandeau bleu nuit + barre jaune du site */
.hero { background: var(--navy); color: #fff; text-align: center; padding: 48px 16px 112px; position: relative; overflow: hidden; }
.hero::before, .hero::after { content: ""; position: absolute; bottom: 0; width: 70px; background: var(--gold); opacity: .9; }
.hero::before { left: 0; height: 58%; clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%); }
.hero::after { left: 78px; width: 46px; height: 34%; background: var(--cream); clip-path: polygon(0 22%, 100% 0, 100% 100%, 0 100%); }
.hero-in { max-width: 640px; margin: 0 auto; position: relative; }
.hero h1 { color: #fff; font-weight: 500; font-size: clamp(2rem, 5vw, 3rem); margin: 0; }
.hero-bar { display: block; width: 80px; height: 5px; background: var(--gold); margin: 18px auto 20px; }
.hero .lead { color: rgb(255 255 255 / .87); font-size: 16px; margin: 0 auto; max-width: 52ch; }
main.after-hero { padding-top: 0; }
.login-wrap { max-width: 440px; margin: -76px auto 0; position: relative; }
.login-card { box-shadow: 0 12px 32px rgb(36 39 74 / .16); border-top: 4px solid var(--gold); padding: 28px; }
.login-card h2 { margin-bottom: 4px; }
.login-wrap > p { margin-top: 18px; }

/* Boutons & champs */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--gold); color: var(--navy); border: 1px solid var(--gold); border-radius: var(--radius); padding: 10px 18px; font: 700 15px var(--sans); text-decoration: none; cursor: pointer; white-space: nowrap; transition: background .15s, border-color .15s; }
.btn:hover { background: #f0c552; border-color: #f0c552; }
.btn-ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-ghost:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-sm { padding: 6px 12px; font-size: 14px; }
.btn-block { width: 100%; }
.link { background: none; border: 0; padding: 0; font: inherit; color: var(--navy); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.link.danger { color: var(--err); }

.form { display: grid; gap: 16px; }
label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; color: var(--ink); }
input, select { font: 15px var(--sans); color: var(--ink); background: #fff; border: 1px solid #cfccc2; border-radius: var(--radius); padding: 10px 12px; width: 100%; min-width: 0; }
input:focus, select:focus { outline: 3px solid rgb(233 185 64 / .45); outline-offset: 0; border-color: var(--navy); }
.btn:focus-visible, .link:focus-visible, .nav-link:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }
input[type=file] { padding: 8px; background: var(--bg); }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
label.check input { width: auto; accent-color: var(--navy); }
.hint { font-weight: 400; color: var(--muted); font-size: 13px; margin: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.eyebrow { margin: 0 0 6px; font-size: 12px; letter-spacing: .09em; text-transform: uppercase; color: var(--gold-dark); font-weight: 700; }
.lead { font-size: 17px; }

.flash { background: var(--ok-soft); border: 1px solid #c9cde6; border-left: 4px solid var(--navy); color: var(--navy); padding: 10px 14px; border-radius: var(--radius); margin-bottom: 18px; font-size: 14px; }
.flash-err { background: var(--err-soft); border-color: #efc4c4; border-left-color: var(--err); color: var(--err); }
.form .flash { margin: 0; }

.narrow { max-width: 420px; margin: 24px auto; }
.narrow.wide-form { max-width: 680px; }
.narrow > .card { border-top: 4px solid var(--gold); }

/* Rapport client */
.report-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
.report-head h1 { margin: 0; }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.actions form { margin: 0; }
.status { display: flex; gap: 14px; padding: 16px 18px; border-radius: var(--radius); margin-bottom: 18px; border: 1px solid; border-left-width: 5px; }
.status strong { display: block; font: 700 17px var(--head); margin-bottom: 2px; }
.status span { display: block; font-size: 14px; }
.status-due { background: var(--due-soft); border-color: #f0dca4; border-left-color: var(--gold); color: #4a3a12; }
.status-due strong { color: var(--navy); }
.status-ok { background: var(--ok-soft); border-color: #c9cde6; border-left-color: var(--navy); color: var(--navy); flex-direction: column; gap: 0; }
.pay-info { margin-top: 6px; }

.viewer { background: #3a3d55; border-radius: var(--radius); overflow: hidden; }
.pdf-bar { position: sticky; top: 0; z-index: 1; display: flex; justify-content: space-between; padding: 10px 16px; background: var(--navy); color: #e8e9f2; font-size: 13px; font-variant-numeric: tabular-nums; border-bottom: 3px solid var(--gold); }
.pdf-pages { display: grid; gap: 16px; padding: 20px; min-height: 60vh; justify-items: center; }
.pdf-page { width: 100%; max-width: 900px; background: #fff; box-shadow: 0 2px 10px rgb(0 0 0 / .35); position: relative; }
.pdf-page canvas { display: block; width: 100%; height: 100%; }
.pdf-error { color: #fff; text-align: center; padding: 40px 16px; }
.pdf-error a { color: var(--gold); }

/* Admin */
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head h1 { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 0; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stats div { background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--gold); border-radius: var(--radius); padding: 8px 14px; font-size: 13px; color: var(--muted); }
.stats span { display: block; font: 700 19px var(--head); color: var(--navy); font-variant-numeric: tabular-nums; }
.filters { display: flex; gap: 10px; margin-bottom: 14px; }
.filters input { flex: 1; }
.filters select { width: auto; }

.table-wrap { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: #fff; font-weight: 600; background: var(--navy); }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #faf8f1; }
td a { text-decoration: none; font-family: var(--head); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.badge { display: inline-block; font: 700 12px var(--sans); padding: 3px 9px; border-radius: 999px; vertical-align: middle; letter-spacing: 0; }
.badge-ok { background: var(--navy); color: #fff; }
.badge-due { background: #fcefc8; color: var(--due); }

.empty { text-align: center; padding: 40px; }
.empty p { color: var(--muted); }

.detail { display: grid; grid-template-columns: 1fr 1.2fr; gap: 18px; align-items: start; }
.col { display: grid; gap: 18px; }
.col .card h2 { padding-bottom: 10px; border-bottom: 2px solid var(--cream); }
.big { font: 700 28px var(--head); margin: 0 0 12px; font-variant-numeric: tabular-nums; color: var(--navy); }
.big small { font: 500 14px var(--sans); color: var(--muted); }
.big.ok { margin-bottom: 4px; }
.stack { display: grid; gap: 12px; justify-items: start; }
.copy { display: flex; gap: 8px; margin-bottom: 10px; }
.copy input { font-size: 13px; background: var(--bg); }
.card form { margin: 0; }
.card .hint + form, .card form + .hint { margin-top: 12px; }
.card > .hint { margin-bottom: 12px; }
dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0 0 14px; font-size: 14px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
.links { margin: 0; font-size: 14px; }
.danger-zone { text-align: right; font-size: 14px; }

@media (max-width: 760px) {
  .grid2, .detail { grid-template-columns: 1fr; }
  .hide-sm { display: none; }
  .filters { flex-wrap: wrap; }
  .filters select { flex: 1; }
  .pdf-pages { padding: 10px; gap: 10px; }
  .report-head .actions .btn { flex: 1; }
  main { padding-top: 22px; }
  .hero { padding: 36px 16px 100px; }
  .hero::before, .hero::after { display: none; }
  .brand { font-size: 15px; }
  .nav-link { padding: 6px 10px; font-size: 13px; }
}