:root{
  --black:#0a0a0a; --paper:#f7f7f7; --grey-100:#eeeeee; --grey-300:#d0d0d0;
  --grey-500:#8f8f8f; --grey-700:#4a4a4a; --text-dark:#141414; --ok:#1a1a1a; --err:#8a2f2a;
}
*{box-sizing:border-box;}
body{ margin:0; font-family:'Segoe UI',Arial,sans-serif; background:var(--paper); color:var(--text-dark); }
h1,h2,h3{ letter-spacing:-0.01em; margin:0; }
.mono{ font-family:'Courier New',monospace; }

.topnav{ background:var(--black); color:#fff; display:flex; align-items:center; justify-content:space-between; padding:14px 5vw; }
.brand .name{ font-size:14.5px; font-weight:600; }
.brand .tag{ font-size:10.5px; letter-spacing:0.08em; text-transform:uppercase; color:var(--grey-300); }
.topnav a.logout{ color:var(--grey-300); font-size:12.5px; text-decoration:none; }
.topnav a.logout:hover{ color:#fff; }

main{ max-width:1180px; margin:0 auto; padding:5vh 5vw 8vh; }
.page-head{ margin-bottom:24px; }
.page-head .eyebrow{ font-family:'Courier New',monospace; font-size:11px; letter-spacing:0.12em; text-transform:uppercase; color:var(--grey-700); margin-bottom:6px; }
.page-head h2{ font-size:clamp(20px,3vw,26px); font-weight:600; }

.alert{ padding:12px 16px; border-radius:10px; font-size:13.5px; margin-bottom:20px; }
.alert-ok{ background:#eef7ee; border:1px solid #bfe3bf; color:#1f5c1f; }
.alert-err{ background:#f8ecec; border:1px solid #e3bfbf; color:#8a2f2a; }

#view-login{ display:flex; justify-content:center; padding-top:6vh; }
.login-card{ width:100%; max-width:400px; background:#fff; border:1px solid var(--grey-100); border-radius:16px; padding:38px 34px; box-shadow:0 20px 50px -24px rgba(0,0,0,0.25); text-align:center; }
.login-card h1{ font-size:22px; margin-bottom:6px; }
.login-card p{ font-size:13.5px; color:var(--grey-700); margin:0 0 26px; }
.login-card .field{ text-align:left; margin-bottom:16px; }
.login-card label{ font-size:12px; font-weight:600; display:block; margin-bottom:6px; }
.login-card input{ width:100%; padding:11px 12px; border-radius:8px; border:1.5px solid var(--grey-300); font-size:14px; outline:none; }
.login-card input:focus{ border-color:var(--black); }
.btn{ width:100%; padding:13px; border-radius:9px; border:none; background:var(--black); color:#fff; font-weight:600; font-size:14.5px; cursor:pointer; }
.btn:hover{ opacity:.9; }

.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:28px; }
.stat-card{ background:#fff; border:1px solid var(--grey-100); border-radius:14px; padding:20px; }
.stat-card .label{ font-size:11.5px; color:var(--grey-700); text-transform:uppercase; letter-spacing:0.05em; font-family:'Courier New',monospace; }
.stat-card .value{ font-size:26px; font-weight:700; margin-top:8px; }
.stat-card .delta{ font-size:11.5px; margin-top:6px; color:var(--grey-500); }

.card{ background:#fff; border:1px solid var(--grey-100); border-radius:14px; padding:22px; margin-bottom:24px; }
.card h3{ font-size:15px; font-weight:600; margin-bottom:16px; }

table{ width:100%; border-collapse:collapse; font-size:13.5px; }
th{ text-align:left; font-size:11px; text-transform:uppercase; letter-spacing:0.04em; color:var(--grey-700); padding:8px 10px; border-bottom:1.5px solid var(--grey-100); font-family:'Courier New',monospace; }
td{ padding:10px; border-bottom:1px solid var(--grey-100); vertical-align:top; }
tr:last-child td{ border-bottom:none; }
.pill{ padding:3px 10px; border-radius:999px; font-size:11.5px; font-weight:600; display:inline-block; }
.pill.valide{ background:var(--grey-100); color:var(--ok); }
.pill.attente{ background:#f2f2f2; color:var(--grey-700); border:1px dashed var(--grey-300); }
.pill.refuse{ background:#f4eceb; color:var(--err); }
.table-wrap{ overflow-x:auto; -webkit-overflow-scrolling:touch; }

.order-grid{ display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-bottom:16px; }
.order-field{ display:flex; flex-direction:column; gap:6px; }
.order-field label{ font-size:12px; font-weight:600; color:var(--grey-700); }
.order-field input, .order-field select{ padding:10px 12px; border-radius:8px; border:1.5px solid var(--grey-300); font-size:13.5px; }
.order-field input:focus, .order-field select:focus{ border-color:var(--black); outline:none; }

.btn-small{ padding:9px 16px; border-radius:8px; border:1.5px solid var(--black); background:var(--black); color:#fff; font-size:12.5px; font-weight:600; cursor:pointer; }
.btn-ghost-small{ padding:9px 16px; border-radius:8px; border:1.5px solid var(--grey-300); background:#fff; color:var(--text-dark); font-size:12.5px; font-weight:600; cursor:pointer; }

.tarif-preview{ background:var(--grey-100); border:1px dashed var(--grey-300); border-radius:10px; padding:14px 16px; margin:6px 0 16px; display:none; }
.tarif-preview.show{ display:flex; gap:32px; flex-wrap:wrap; }
.tarif-preview.warn{ border-color:#d9b8b4; background:#f8ecec; }
.tarif-preview .item .k{ display:block; font-size:10.5px; text-transform:uppercase; letter-spacing:0.05em; color:var(--grey-700); font-family:'Courier New',monospace; }
.tarif-preview .item .v{ display:block; font-size:16px; font-weight:700; margin-top:2px; }
.tarif-preview .warn-msg{ font-size:12.5px; color:var(--err); }

.note{ background:var(--grey-100); border:1px dashed var(--grey-300); border-radius:10px; padding:12px 16px; font-size:12.5px; color:var(--grey-700); margin-top:14px; }
.wave-box{ padding:12px 14px; border:1px solid var(--grey-100); border-radius:10px; margin-bottom:10px; }
.wave-box .t{ font-weight:600; margin-bottom:2px; font-size:13.5px; }
.wave-box .m{ color:var(--grey-700); font-size:12.5px; }
.wave-box textarea{ width:100%; max-width:460px; font-size:11.5px; margin-top:8px; padding:8px; border-radius:6px; border:1.5px solid var(--grey-300); }

@media (max-width:900px){
  .order-grid{ grid-template-columns:1fr; }
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:520px){
  .stats-grid{ grid-template-columns:1fr; }
  main{ padding:4vh 4vw 8vh; }
  .card{ padding:16px; }
  .page-head h2{ font-size:20px; }
  .topnav{ padding:12px 4vw; }
}

/* Bouton flottant d'aide WhatsApp */
.whatsapp-float{
  position:fixed; bottom:22px; right:22px; z-index:50;
  display:flex; align-items:center; gap:8px;
  background:#25D366; color:#fff; text-decoration:none;
  padding:12px 18px; border-radius:999px; font-size:13px; font-weight:600;
  box-shadow:0 6px 18px rgba(0,0,0,0.18);
}
.whatsapp-float:hover{ opacity:.92; }
.whatsapp-float svg{ width:18px; height:18px; flex-shrink:0; }
@media (max-width:600px){
  .whatsapp-float{ bottom:16px; right:16px; padding:11px 14px; font-size:0; }
  .whatsapp-float svg{ margin:0; }
}

/* Empêche le zoom automatique de Safari iOS au focus (déclenché dès qu'un
   champ a une police < 16px) sans changer l'apparence sur desktop/tablette. */
@media (max-width:600px){
  input, select, textarea{ font-size:16px !important; }
}