:root{
  --bg:#f6f7fb;--card:#fff;--text:#1f2328;--muted:#667085;--line:#e6e8ef;
  --brand:#0a66c2;--brand2:#094f97;
}
*{box-sizing:border-box}
body{background:var(--bg);font-family:Inter,sans-serif;margin:0}
main{max-width:920px;margin:32px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 4px 12px rgba(16,24,40,.04)}
header{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px}
form{padding:20px}
label{font-weight:600;margin:.8rem 0 .35rem;display:block}
input,select,textarea{width:100%;font-size:16px;padding:12px;border-radius:12px;border:1px solid var(--line)}
textarea{
  min-height:420px;
  font-family:ui-monospace,monospace;
  line-height:1.95;
  resize:vertical;
}
.grid-2,.grid-3{display:grid;gap:14px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:1fr 1fr 1fr}
.hint{font-size:12px;color:var(--muted)}
#charCounter{text-align:right;font-size:12px;margin-top:4px;color:var(--muted)}
#charCounter.warn{color:#b42318;font-weight:600}
.hr{height:1px;background:var(--line);margin:22px 0}
.image-block{
  background:#f2f3f5;
  border:1px solid #e0e0e0;
  border-radius:12px;
  padding:16px;
  margin-bottom:20px;
}
.bar{position:sticky;bottom:0;padding-top:10px;background:linear-gradient(180deg,rgba(246,247,251,0),var(--bg) 40%)}
.actions{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;display:flex;justify-content:space-between;align-items:center}
.submit{border:0;background:var(--brand);color:#fff;border-radius:10px;padding:12px 18px;font-size:16px;cursor:pointer}
.submit:hover{background:var(--brand2)}
.status{font-size:14px;color:var(--muted)}
.success,.error{padding:12px;border-radius:10px;margin-top:16px}
.success{background:#ecfdf3;color:#027a48;border:1px solid #abefc6}
.error{background:#fef3f2;color:#b42318;border:1px solid #fda29b}
@media(max-width:720px){.grid-2,.grid-3{grid-template-columns:1fr}}

#overlay{
  position:fixed;inset:0;background:rgba(255,255,255,0.8);
  display:none;flex-direction:column;align-items:center;justify-content:center;
  z-index:9999;text-align:center;font-size:18px;color:#333;
}
.spinner{
  width:50px;height:50px;border:6px solid #ccc;border-top-color:var(--brand);
  border-radius:50%;animation:spin 1s linear infinite;margin-bottom:10px;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Barre de progression */
#progressBar {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background: var(--brand);
  transition: width 0.3s ease;
  z-index: 99999;
}

/* Bouton réinitialiser */
#resetBtn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--brand);
  color: white;
  border: none;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: all 0.2s;
  z-index: 10000;
}
#resetBtn:hover { background: var(--brand2); transform: scale(1.05); }

.radio-group {
  display: flex;
  gap: 20px;
  margin: 10px 0 20px;
}
.radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-weight: 500;
}
.inline-selects {
  align-items: end;
}
.inline-selects select {
  width: 100%;
}

form > .image-block + .image-block {
  margin-top: 10px;
}