/* Koudmen Papiers : bandeau vert Koudmen, puis le formulaire et la lettre sur sa feuille. */
:root{
  --bg:#f6f4ef; --surface:#ffffff; --ink:#14201d; --muted:#55625e; --line:#dcd8cc;
  --deep:#0e3b33; --deep-ink:#eef5f1; --deep-muted:#a9c2b9; --sun:#f2b632; --red:#c8412b; --green:#2f8a4d;
  --paper:#fffdf8; --paper-ink:#1d2321; --paper-line:#e6e1d3; --chip:#eef1ec;
  --f-display:"Unbounded",system-ui,sans-serif;
  --f-body:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-letter:"Source Serif 4",Georgia,"Times New Roman",serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f1513; --surface:#161f1c; --ink:#e9efec; --muted:#9aa8a3; --line:#2a3633;
  --deep:#0a2a24; --deep-ink:#eef5f1; --deep-muted:#9fb8af; --sun:#f5c24f; --red:#e0634c; --green:#4fb36e;
  --paper:#1c2522; --paper-ink:#e6ece9; --paper-line:#2f3c38; --chip:#1f2a27; color-scheme:dark}}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.55 var(--f-body)}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}

.top{background:var(--deep);color:var(--deep-ink)}
.top .wrap{padding-block:28px 30px;display:grid;gap:10px}
.brand{font:700 13px/1 var(--f-display);letter-spacing:.08em;text-transform:uppercase;color:var(--sun);text-decoration:none}
h1{font:700 clamp(24px,4.4vw,38px)/1.15 var(--f-display);margin:0;text-wrap:balance;max-width:22ch}
.lead{margin:0;color:var(--deep-muted);max-width:60ch}

main .wrap{padding-block:26px 40px}
.cols{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:28px;align-items:start}
@media (max-width:820px){.cols{grid-template-columns:minmax(0,1fr)}}
.one{display:grid;gap:14px;max-width:760px}

form{display:grid;gap:20px}
fieldset{border:0;margin:0;padding:0;display:grid;gap:10px;min-width:0}
legend,.lbl{font:600 12px/1.2 var(--f-body);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);padding:0;margin:0 0 2px}
.step{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--deep);color:var(--deep-ink);font-size:11px;margin-right:6px;letter-spacing:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips input{position:absolute;opacity:0;pointer-events:none}
.chips label{cursor:pointer;padding:8px 13px;border-radius:999px;background:var(--chip);border:1px solid var(--line);font-weight:500;font-size:14px}
.chips input:checked+label{background:var(--deep);color:var(--deep-ink);border-color:var(--deep)}
.chips input:focus-visible+label{outline:2px solid var(--sun);outline-offset:2px}

textarea,input[type=text]{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:11px 13px}
textarea{min-height:110px;resize:vertical}
textarea:focus,input[type=text]:focus{outline:2px solid var(--green);outline-offset:0;border-color:transparent}
.hint{font-size:13px;color:var(--muted);margin:0}
.stack{display:grid;gap:10px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:480px){.grid2{grid-template-columns:1fr}}
.field{display:grid;gap:5px;min-width:0}
.field span{font-size:13px;color:var(--muted)}
details{border-top:1px solid var(--line);padding-top:14px}
summary{cursor:pointer;font-weight:600}
details[open] summary{margin-bottom:12px}

.notice{margin:0;padding:10px 13px;border-radius:8px;background:var(--chip);border:1px solid var(--line);font-size:14px}
.notice.err{border-color:var(--red);color:var(--red)}

.accept{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);cursor:pointer}
.accept input{margin-top:2px;width:18px;height:18px;flex:none;accent-color:var(--red)}
.accept a,.legal a{color:inherit}
.doc{max-width:70ch;display:grid;gap:10px}
.doc h2{font:600 18px/1.3 var(--f-body);margin:14px 0 0}
.doc p,.doc ul{margin:0;line-height:1.6}
.doc ul{padding-left:18px}
.go{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
button,.primary,.ghost{font:600 15px/1 var(--f-body);border-radius:10px;padding:13px 18px;cursor:pointer;border:1px solid transparent;text-decoration:none;display:inline-block}
.primary{background:var(--red);color:#fff}
.primary:hover{filter:brightness(1.07)}
.primary:disabled{opacity:.6;cursor:progress}
.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.ghost:hover{background:var(--chip)}
.ghost:disabled{opacity:.5;cursor:progress}
button:focus-visible,a:focus-visible{outline:2px solid var(--sun);outline-offset:2px}
.ghost-link{color:var(--green);font-weight:600}
.status{font-size:13.5px;color:var(--muted);margin:0;min-height:1.2em}
.status.err{color:var(--red)}

.sheet-col{display:grid;gap:12px;position:sticky;top:16px;min-width:0}
@media (max-width:820px){.sheet-col{position:static}}
.sheet-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.tag{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tag.ex{color:var(--green)}
.sheet{background:var(--paper);color:var(--paper-ink);border:1px solid var(--paper-line);border-radius:4px;box-shadow:0 1px 0 var(--paper-line),0 14px 30px -18px rgba(14,59,51,.35);padding:clamp(20px,4vw,40px);min-height:420px;font:400 15.5px/1.6 var(--f-letter);white-space:pre-wrap;overflow-wrap:anywhere}
.sheet.wait{color:var(--muted);font-family:var(--f-body)}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.actions button{font-size:14px;padding:10px 14px}
.plus{margin:0;padding-left:18px;color:var(--muted);font-size:14px;display:grid;gap:4px}

.send{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px;display:grid;gap:10px}
.send-btns{display:flex;gap:8px;flex-wrap:wrap}
.send-btns a{font:600 14px/1 var(--f-body);border-radius:10px;padding:11px 14px;text-decoration:none;border:1px solid var(--line);color:var(--ink)}
.send-btns a.main{background:var(--deep);color:var(--deep-ink);border-color:var(--deep)}
.send-btns a:hover{filter:brightness(1.08)}
.send .note{font-size:13.5px;margin:0;color:var(--muted)}
.send .note a{font-weight:600;color:var(--green)}

.tip{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--sun);border-radius:8px;padding:12px 14px;font-size:14px}
.tip b{display:block;margin-bottom:2px}

footer{border-top:1px solid var(--line)}
footer .wrap{padding-block:20px 28px;display:grid;gap:12px}
.cross{background:var(--deep);color:var(--deep-ink);border-radius:12px;padding:16px 18px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center}
.cross p{margin:0;max-width:56ch}
.cross a{color:var(--sun);font-weight:600}
.legal{font-size:12.5px;color:var(--muted);margin:0;max-width:75ch}