:root{
  --app-bg:#e8eaee;
  --panel:#ffffff;
  --paper:#ffffff;
  --ink:#1b1c1e;
  --muted:#71777e;
  --line:#e2e4e9;
  --field:#f5f6f8;
  --accent:#c1121f;
  --accent-deep:#9b0e18;
  --ui:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Roboto,sans-serif;
  --letter:"Helvetica Neue",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--ui);
  background:var(--app-bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
.app{
  display:grid;
  grid-template-columns:minmax(360px,440px) 1fr;
  min-height:100vh;
}
/* ---------- Form column ---------- */
.form-col{
  background:var(--panel);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  max-height:100vh;
  overflow:hidden;
}
.head{
  padding:26px 30px 20px;
  border-bottom:1px solid var(--line);
}
.head .eyebrow{
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin:0 0 8px;
}
.head h1{font-size:19px;line-height:1.25;margin:0;font-weight:650;letter-spacing:-.01em;}
.brand{display:flex;align-items:center;gap:13px;margin-bottom:8px;}
.brand .eyebrow{margin-bottom:4px;}
.logo{flex:0 0 auto;width:44px;height:44px;display:block;}
.head p{font-size:12.5px;color:var(--muted);margin:8px 0 0;line-height:1.45;}
.head .myinfo{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  margin-top:16px;font-size:14px;font-weight:600;color:var(--accent);
  background:#fbeceb;border:1px solid #f2c9c7;border-radius:9px;
  padding:12px 16px;cursor:pointer;font-family:var(--ui);transition:.12s;
}
.head .myinfo:hover{background:var(--accent);color:#fff;border-color:var(--accent);}
.head-links{display:flex;gap:18px;margin-top:14px;}
.hlink{
  background:none;border:0;padding:0;font-family:var(--ui);
  font-size:12.5px;font-weight:600;color:var(--muted);cursor:pointer;
}
.hlink:hover{color:var(--accent);}
.track-count{color:var(--accent);}
.hlink.has-due::after{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--accent);margin-left:5px;vertical-align:middle;
}
.scroll{overflow-y:auto;padding:8px 30px 24px;flex:1;}
fieldset{border:0;margin:22px 0 0;padding:0;}
legend{
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:700;padding:0;margin:0 0 12px;
  width:100%;border-bottom:1px solid var(--line);padding-bottom:7px;
}
.field{margin-bottom:13px;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:11px;}
label{display:block;font-size:11.5px;color:var(--muted);margin-bottom:5px;font-weight:550;}
input,select{
  width:100%;font-family:var(--ui);font-size:13.5px;color:var(--ink);
  background:var(--field);border:1px solid transparent;border-radius:7px;
  padding:9px 11px;outline:none;transition:border-color .12s,background .12s;
}
input:focus,select:focus{border-color:var(--accent);background:#fff;}
input::placeholder{color:#aab0b7;}
.hint{font-size:11px;color:var(--muted);margin-top:5px;line-height:1.4;}
.check{display:flex;align-items:center;gap:9px;margin-bottom:13px;}
.check input{width:auto;}
.check label{margin:0;font-size:13px;color:var(--ink);}
.total-line{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-top:4px;padding:11px 13px;background:#fbeceb;border-radius:7px;
}
.total-line span{font-size:12px;color:var(--accent-deep);font-weight:600;letter-spacing:.02em;}
.total-line strong{font-size:17px;color:var(--accent-deep);font-variant-numeric:tabular-nums;}
.actions{
  padding:16px 30px;border-top:1px solid var(--line);background:var(--panel);
  display:flex;gap:10px;align-items:center;
}
.btn{
  font-family:var(--ui);font-size:14px;font-weight:600;cursor:pointer;
  border-radius:8px;padding:12px 18px;border:1px solid transparent;transition:.12s;
}
.btn-primary{background:var(--accent);color:#fff;flex:1;}
.btn-primary:hover{background:var(--accent-deep);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line);}
.btn-ghost:hover{color:var(--ink);border-color:var(--muted);}
.legal{font-size:10.5px;color:var(--muted);padding:0 30px 10px;line-height:1.45;}
.foot-links{display:flex;gap:18px;padding:0 30px 10px;}
.foot-links .hlink{font-size:12px;}
.credit{font-size:10.5px;color:var(--muted);padding:0 30px 18px;margin:0;}
.legal-body h3{font-size:13px;font-weight:700;margin:16px 0 5px;color:var(--ink);}
.legal-body h3:first-child{margin-top:4px;}
.legal-body p{font-size:12.5px;line-height:1.55;color:var(--ink);margin:0;}
.legal-body strong{font-weight:650;}
.legal-editor{margin-top:16px!important;color:var(--muted);font-size:11.5px!important;}
.legal-editor a{color:var(--accent);text-decoration:none;font-weight:600;}
.legal-editor a:hover{text-decoration:underline;}
.nickel-link{color:inherit;text-decoration:none;font-weight:700;position:relative;}
.nickel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1.5px;
  background:#f286aa;transform:translateY(3px) scaleX(.4);transform-origin:center;
  opacity:0;transition:transform .22s ease,opacity .22s ease;
}
.nickel-link:hover{color:#f286aa;}
.nickel-link:hover::after{transform:translateY(0) scaleX(1);opacity:1;}
/* ---------- Preview column ---------- */
.preview-col{
  overflow-y:auto;max-height:100vh;padding:42px;
  display:flex;justify-content:center;align-items:flex-start;
}
.sheet{
  position:relative;background:var(--paper);width:100%;max-width:720px;
  padding:60px 64px;border-radius:2px;
  box-shadow:0 1px 2px rgba(0,0,0,.07),0 12px 34px rgba(20,22,30,.13);
  font-family:var(--letter);color:#111;font-size:13px;line-height:1.5;
}
.stamp{
  position:absolute;top:86px;right:60px;
  font-family:var(--letter);font-size:13px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(193,18,31,.78);
  border:2px solid rgba(193,18,31,.7);border-radius:4px;padding:5px 11px;
  transform:rotate(-7deg);pointer-events:none;
}
.sheet .sender strong{font-weight:700;}
.sheet .sender{margin-bottom:34px;}
.sheet .recipient{text-align:right;margin-bottom:22px;}
.sheet .place{text-align:right;margin-bottom:22px;}
.sheet .reco{font-style:italic;font-weight:700;margin-bottom:18px;}
.sheet .objet{font-weight:700;margin-bottom:18px;}
.sheet p{margin:0 0 12px;}
.sheet p.strong{font-weight:700;}
.costs{width:100%;border-collapse:collapse;margin:6px 0 16px;font-size:12.5px;}
.costs td{padding:7px 4px;border-bottom:1px solid #e7e7e7;vertical-align:top;}
.costs td.amt{text-align:right;white-space:nowrap;width:90px;font-variant-numeric:tabular-nums;}
.costs tr.head td{background:#f3f3f3;font-weight:700;border-bottom:1px solid #ddd;}
.costs tr.total td{font-weight:700;border-top:2px solid #333;border-bottom:none;}
.pay{margin:0 0 14px;}
.pay div{margin-bottom:2px;}
.sig{margin-top:30px;}
.sigspace{display:block;height:34px;}
.annex{font-size:11px;font-style:italic;color:#444;margin-top:8px;}
.muted-ph{color:#b21;}
/* ---------- Modal d'accueil ---------- */
.modal-bg{
  position:fixed;inset:0;background:rgba(20,22,30,.55);
  display:flex;align-items:center;justify-content:center;padding:20px;
  z-index:50;backdrop-filter:blur(2px);
}
.modal-bg[hidden]{display:none;}
.modal-bg:not([hidden]){animation:modalFade .18s ease-out;}
.modal{
  background:var(--panel);border-radius:14px;width:100%;max-width:460px;
  max-height:92vh;overflow-y:auto;
  box-shadow:0 18px 60px rgba(20,22,30,.35);
  padding:30px 32px 26px;
  transform-origin:center;
}
.modal-bg:not([hidden]) .modal{animation:modalIn .2s cubic-bezier(.2,.7,.3,1);}
@keyframes modalFade{from{opacity:0;}to{opacity:1;}}
@keyframes modalIn{from{transform:scale(.75);opacity:0;}to{transform:scale(1);opacity:1;}}
.shake{animation:shake .4s cubic-bezier(.36,.07,.19,.97);}
@keyframes shake{
  10%,90%{transform:translateX(-1px);}
  20%,80%{transform:translateX(2px);}
  30%,50%,70%{transform:translateX(-4px);}
  40%,60%{transform:translateX(4px);}
}
.modal .eyebrow{
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-weight:700;margin:0 0 8px;
}
.modal h2{font-size:20px;line-height:1.25;margin:0 0 6px;font-weight:650;letter-spacing:-.01em;}
.modal .sub{font-size:13px;color:var(--muted);margin:0 0 18px;line-height:1.45;}
.privacy{
  display:flex;gap:10px;align-items:flex-start;
  background:#fbeceb;border:1px solid #f2c9c7;border-radius:9px;
  padding:12px 14px;margin:0 0 20px;
}
.privacy svg{flex:0 0 auto;margin-top:1px;}
.privacy p{margin:0;font-size:12px;line-height:1.5;color:var(--accent-deep);font-weight:550;}
.privacy strong{font-weight:750;}
.modal .field label{font-weight:600;}
.modal-actions{display:flex;gap:10px;margin-top:22px;}
.modal-actions .btn-primary{flex:1;}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;}
.modal-head .eyebrow{margin-bottom:6px;}
.modal-head h2{margin:0;}
.modal-close{
  background:none;border:0;font-size:26px;line-height:1;color:var(--muted);
  cursor:pointer;padding:0 0 0 8px;font-family:var(--ui);
}
.modal-close:hover{color:var(--ink);}
.story{font-size:13.5px;line-height:1.6;color:var(--ink);margin:0 0 12px;}
.story strong{font-weight:700;}
.steps{list-style:none;margin:0 0 20px;padding:0;}
.step{display:flex;gap:13px;align-items:flex-start;margin-bottom:14px;font-size:13px;line-height:1.45;color:var(--ink);}
.step:last-child{margin-bottom:0;}
.step strong{font-weight:650;}
.step-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--accent);color:#fff;font-weight:700;font-size:13px;
  display:flex;align-items:center;justify-content:center;margin-top:1px;
}
/* ---------- Suivi ---------- */
.track-empty{font-size:13px;color:var(--muted);line-height:1.55;margin:6px 0 0;}
.case{border:1px solid var(--line);border-radius:11px;padding:14px 15px;margin-bottom:12px;}
.case-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:3px;}
.case-name{font-size:14px;font-weight:650;}
.case-sub{font-size:12px;color:var(--muted);margin-bottom:6px;}
.case-meta{font-size:11.5px;color:var(--muted);}
.case-due{
  background:#fbeceb;border:1px solid #f2c9c7;border-radius:8px;
  padding:10px 12px;font-size:12px;line-height:1.5;color:var(--accent-deep);margin:8px 0 2px;
}
.case-due-actions{margin-top:9px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.case-link{font-size:12px;color:var(--accent-deep);font-weight:600;text-decoration:underline;}
.case-link:hover{color:var(--accent);}
.btn-sm{padding:8px 13px;font-size:12.5px;flex:none;}
.track-foot{font-size:11.5px;color:var(--muted);margin:16px 0 0;line-height:1.5;}
.track-foot a{color:var(--accent);font-weight:600;text-decoration:none;}
.track-foot a:hover{text-decoration:underline;}
.case-actions{display:flex;gap:8px;align-items:center;margin-top:11px;}
.case-actions select{flex:1;font-size:12.5px;}
.case-del{
  background:none;border:0;color:var(--muted);font-size:12px;cursor:pointer;
  font-family:var(--ui);padding:6px 4px;
}
.case-del:hover{color:var(--accent);}
.badge{font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:20px;white-space:nowrap;}
.st-wait{background:#fff3d6;color:#8a6100;}
.st-ok{background:#e3f6e8;color:#1d7a3a;}
.st-esc{background:#fbeceb;color:var(--accent-deep);}
.st-off{background:#eef0f2;color:#6a7077;}
/* ---------- Responsive ---------- */
@media (max-width:900px){
  .app{grid-template-columns:1fr;}
  .form-col{max-height:none;overflow:visible;}
  .scroll{overflow:visible;}
  .preview-col{max-height:none;padding:24px 16px;}
  .sheet{padding:40px 32px;}
  .stamp{right:32px;top:60px;}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;}}