/* Signavo — encre & papier */
:root{
  --ink:#1e2749; --ink-2:#3a4574; --paper:#f5f6f8; --card:#ffffff;
  --accent:#2f45c0; --accent-dark:#25379c; --ok:#1f7a5c; --warn:#b23a3a;
  --line:#dcdfe8; --muted:#6b7285;
  --font-display:"Spectral",Georgia,serif; --font-body:"Public Sans",system-ui,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);
  font-size:15.5px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:-.01em}
h1{font-size:2.1rem;margin:.2em 0 .4em}
h2{font-size:1.35rem;margin:1.4em 0 .5em}

/* paraphe : trait d'encre signature sous les titres clés */
.paraphe{display:block;width:120px;height:10px;margin-top:6px}
.paraphe path{stroke:var(--accent);stroke-width:2.2;fill:none;stroke-linecap:round}

header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .inner{max-width:1040px;margin:0 auto;padding:14px 20px;display:flex;
  align-items:center;justify-content:space-between;gap:16px}
.brand{font-family:var(--font-display);font-size:1.35rem;font-weight:700;color:var(--ink)}
.brand em{font-style:normal;color:var(--accent)}
nav a{margin-left:18px;color:var(--ink-2);font-size:.92rem}
main{max-width:1040px;margin:0 auto;padding:32px 20px 64px}
main.narrow{max-width:520px}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
footer.site .inner{max-width:1040px;margin:0 auto;padding:18px 20px;display:flex;gap:22px;flex-wrap:wrap}

.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px;margin-bottom:20px}
.btn{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:8px;
  padding:10px 20px;font-size:.95rem;font-family:var(--font-body);cursor:pointer}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.btn.secondary{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.btn.danger{background:var(--warn)}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
label{display:block;font-weight:600;font-size:.88rem;margin:14px 0 5px}
input[type=text],input[type=email],input[type=password],textarea,input[type=file]{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;
  font-family:var(--font-body);font-size:.95rem;background:#fff}
input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.error{background:#fbeaea;border:1px solid #e6bcbc;color:var(--warn);border-radius:8px;padding:10px 14px;margin:12px 0}
.notice{background:#eaf0fb;border:1px solid #c4d0ee;border-radius:8px;padding:10px 14px;margin:12px 0}
.muted{color:var(--muted);font-size:.88rem}

table{width:100%;border-collapse:collapse;font-size:.92rem}
th{text-align:left;font-weight:600;color:var(--muted);font-size:.8rem;text-transform:uppercase;
  letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--line)}
td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top}
.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:.78rem;font-weight:600}
.badge.pending{background:#fdf3e2;color:#8a5a12}
.badge.finalizing{background:#eaf0fb;color:var(--accent-dark)}
.badge.completed,.badge.signed{background:#e3f2ea;color:var(--ok)}
.badge.cancelled,.badge.declined,.badge.expired{background:#fbeaea;color:var(--warn)}

.hero{padding:56px 0 40px}
.hero h1{font-size:2.7rem;max-width:620px}
.hero p.lead{font-size:1.12rem;color:var(--ink-2);max-width:560px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:32px}
.steps .card h3{margin-top:0;font-size:1.05rem}

.signature-line{border-bottom:2px dotted var(--ink-2);position:relative;height:34px;margin:10px 0 4px}
.signature-line::before{content:"\2715";position:absolute;left:0;bottom:2px;color:var(--accent);font-weight:700}

#sig-canvas{border:1.5px solid var(--line);border-radius:8px;background:#fff;touch-action:none;width:100%;max-width:560px;height:190px}
.pdf-frame{width:100%;height:560px;border:1px solid var(--line);border-radius:8px;background:#fff}
.audit{font-size:.85rem}
.audit td{padding:6px 10px}
.otp-input{font-size:1.6rem;letter-spacing:.5em;text-align:center;max-width:260px}
.signer-row{display:grid;grid-template-columns:1fr 1fr 40px;gap:10px;margin-bottom:8px}
.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.right{margin-left:auto}
@media (max-width:640px){.hero h1{font-size:2rem}.signer-row{grid-template-columns:1fr}}

/* Attente pendant les traitements */
.wait-overlay{position:fixed;inset:0;background:rgba(245,246,248,.88);backdrop-filter:blur(2px);
  display:none;align-items:center;justify-content:center;z-index:1000;flex-direction:column;gap:18px}
.wait-overlay.show{display:flex}
.wait-spinner{width:52px;height:52px;border-radius:50%;
  border:4px solid var(--line);border-top-color:var(--accent);animation:spin .9s linear infinite}
.wait-msg{font-family:var(--font-display);font-size:1.15rem;color:var(--ink)}
.wait-sub{color:var(--muted);font-size:.88rem}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){.wait-spinner{animation-duration:2.5s}}
button[disabled]{opacity:.55;cursor:wait}

/* Cases à cocher (consentement) */
input[type=checkbox]{
  appearance:auto;-webkit-appearance:checkbox;
  width:22px;height:22px;min-width:22px;flex:0 0 auto;
  accent-color:var(--accent);cursor:pointer;margin:2px 0 0 0;
  border:1.5px solid var(--ink-2);border-radius:4px;background:#fff;
}
label.consent{display:flex;gap:12px;align-items:flex-start;font-weight:400;
  background:#eef1fb;border:1.5px solid var(--accent);border-radius:8px;padding:14px 16px;cursor:pointer}
label.consent:hover{background:#e4e9f9}