/* =====================================================================
   La Seine Expertises — feuille de style de marque
   Charte : vert #066236 (action/paiement), corail #FF7D70 (accent),
   carbone #17191E (encre), papier #FCFCFB (fond).
   Typo : Plus Jakarta Sans (titres/corps) + IBM Plex Mono (kickers, réf., montants).
   ===================================================================== */

:root {
  --carbone: #17191E;
  --vert: #066236;
  --vert-dark: #054F2B;
  --vert-tint: #E6F0EA;
  --corail: #FF7D70;
  --papier: #FCFCFB;
  --gris: #6E7479;
  --filet: #E4E6E2;
  --card: #FFFFFF;
  --field: #FAFAF8;
  --erreur: #B23A2B;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--papier);
  color: var(--carbone);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-font-smoothing: antialiased;
}
body.center { justify-content: center; padding: 32px 20px; }
body.top    { padding: 48px 20px; }

/* --- Marque (logo + wordmark) --------------------------------------- */
.brand { text-align: center; margin-bottom: 34px; }
.brand .logo { width: 52px; height: 52px; display: block; margin: 0 auto 14px; }
.brand .wm-name {
  font-size: 23px;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1;
}
.brand .wm-name .muted { color: var(--gris); }
.brand .wm-name .dot { color: var(--corail); }
.brand .wm-sub {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gris);
  margin-top: 7px;
}

/* --- Carte ----------------------------------------------------------- */
.card {
  background: var(--card);
  border: 1px solid var(--filet);
  border-radius: 16px;
  width: 100%;
  max-width: 448px;
  padding: 38px 34px 34px;
  box-shadow: 0 1px 2px rgba(23,25,30,.04), 0 14px 44px rgba(23,25,30,.07);
}
.card.wide { max-width: 486px; }

/* --- Titres / textes ------------------------------------------------- */
h1 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 6px;
}
.card.admin h1 { text-align: left; }
.lead { text-align: center; color: var(--gris); font-size: 14px; margin-bottom: 26px; }
.card.admin .lead { text-align: left; }
.kicker {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vert);
}

/* --- Lignes récap ---------------------------------------------------- */
.rows { border-top: 1px solid var(--filet); margin-bottom: 24px; }
.row {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 11px 0; border-bottom: 1px solid var(--filet); font-size: 14px;
}
.row .k { color: var(--gris); white-space: nowrap; }
.row .v { text-align: right; font-weight: 600; }
.row .v.mono { font-family: 'IBM Plex Mono', monospace; font-weight: 500; }

/* --- Montant (IBM Plex Mono) ---------------------------------------- */
.amount { text-align: center; margin-bottom: 26px; }
.amount .val {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--carbone);
}
.amount .lbl {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gris); margin-top: 4px;
}

/* --- Boutons (vert = action / paiement) ----------------------------- */
.btn {
  display: block; width: 100%;
  padding: 15px 20px; border: none; border-radius: 11px;
  background: var(--vert); color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px; font-weight: 700; letter-spacing: 0.005em;
  cursor: pointer; text-align: center; text-decoration: none;
  transition: background .18s ease, transform .12s ease;
}
.btn:hover { background: var(--vert-dark); }
.btn:active { transform: scale(.99); }
.btn[disabled] { opacity: .55; cursor: default; }
.btn + .btn { margin-top: 12px; }

/* --- Confirmation paiement ------------------------------------------ */
.paid-note {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--vert); font-weight: 700; font-size: 14px; margin-bottom: 16px;
}
.paid-note svg { flex: none; }

.hint { text-align: center; font-size: 12.5px; color: var(--gris); margin-top: 16px; line-height: 1.5; }
.error { text-align: center; color: var(--erreur); font-size: 13.5px; margin-top: 14px; }
.card.admin .error { text-align: left; }

/* --- Formulaire admin ------------------------------------------------ */
label { display: block; font-size: 12.5px; font-weight: 700; letter-spacing: .01em; margin: 16px 0 6px; }
label .opt { font-weight: 400; color: var(--gris); }
input[type=text], input[type=email], input[type=password] {
  width: 100%; padding: 11px 13px;
  border: 1px solid var(--filet); border-radius: 10px;
  background: var(--field); font: inherit; color: var(--carbone);
  transition: border-color .15s, background .15s;
}
input:focus { outline: none; border-color: var(--vert); background: #fff; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
input[type=file] { width: 100%; margin-top: 6px; font-size: 13px; color: var(--gris); }
input[type=file]::file-selector-button {
  font: inherit; font-size: 12.5px; font-weight: 600;
  margin-right: 12px; padding: 8px 14px;
  border: 1px solid var(--filet); border-radius: 8px;
  background: #fff; color: var(--carbone); cursor: pointer;
}

/* --- Résultat (lien + email) ---------------------------------------- */
.result-block { margin-top: 18px; }
.result-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gris); margin-bottom: 6px;
}
.linkbox { display: flex; gap: 8px; align-items: stretch; }
.linkbox input {
  flex: 1; font-family: 'IBM Plex Mono', monospace; font-size: 12.5px;
  padding: 10px 12px; border: 1px solid var(--filet); border-radius: 10px;
  background: var(--field); color: var(--carbone);
}
.copy {
  padding: 0 14px; border: 1px solid var(--filet); border-radius: 10px;
  background: #fff; font: inherit; font-size: 13px; font-weight: 600;
  cursor: pointer; white-space: nowrap; transition: border-color .15s, color .15s;
  text-decoration: none; color: var(--carbone); display: inline-flex; align-items: center;
}
.copy:hover { border-color: var(--vert); color: var(--vert); }
textarea {
  width: 100%; min-height: 210px; padding: 12px 13px;
  border: 1px solid var(--filet); border-radius: 10px;
  background: var(--field); font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13.5px; color: var(--carbone); resize: vertical; line-height: 1.55;
}
.row-actions { display: flex; gap: 10px; margin-top: 10px; }
.row-actions .copy { flex: 1; padding: 10px 14px; text-align: center; justify-content: center; }
.success-note {
  display: flex; align-items: center; gap: 8px;
  color: var(--vert); font-weight: 700; font-size: 14px; margin-bottom: 14px;
}
.again { margin-top: 22px; text-align: center; }
.again a { color: var(--gris); font-size: 13px; text-decoration: none; }
.again a:hover { color: var(--vert); }
.topbar { width: 100%; max-width: 486px; display: flex; justify-content: flex-end; margin-bottom: 8px; }
.topbar button {
  background: none; border: none; color: var(--gris);
  font: inherit; font-size: 12.5px; cursor: pointer; text-decoration: underline;
}
.topbar button:hover { color: var(--vert); }

/* --- Pied ------------------------------------------------------------ */
footer {
  margin-top: 28px; font-size: 12px; color: var(--gris);
  text-align: center; letter-spacing: .01em;
}
footer .lock { vertical-align: -1px; margin-right: 5px; }

/* --- Accueil --------------------------------------------------------- */
.home-rule { width: 44px; height: 1px; background: var(--filet); margin: 28px auto; }
.home p { max-width: 400px; color: #3A3D42; font-size: 15px; line-height: 1.65; text-align: center; }