#ck-overlay{position:fixed;inset:0;background:rgba(10,16,40,.6);z-index:99990;opacity:0;pointer-events:none;transition:opacity .3s ease}
#ck-overlay.ck-show{opacity:1;pointer-events:all}

#ck-banner{
  position:fixed;bottom:calc(1.5rem + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%) translateY(130%);
  z-index:99999;width:min(660px,calc(100vw - 2rem));
  background:#0F1A4A;border-radius:16px;
  box-shadow:0 8px 48px rgba(0,0,0,.6),0 0 0 1px rgba(182,164,39,.3);
  overflow:hidden;transition:transform .42s cubic-bezier(.34,1.56,.64,1);
  font-family:'Open Sans',sans-serif;
}
#ck-banner.ck-show{transform:translateX(-50%) translateY(0)}
#ck-banner::before{content:'';display:block;height:3px;background:linear-gradient(90deg,#8A7B1A,#B6A427,#D4BD3A,#B6A427,#8A7B1A)}

#ck-main{padding:1.5rem 1.75rem 1.2rem}
#ck-header{display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem}
#ck-icon{width:38px;height:38px;min-width:38px;background:rgba(182,164,39,.13);border-radius:9px;display:flex;align-items:center;justify-content:center}
#ck-title{font-family:'Montserrat',sans-serif;font-size:1rem;font-weight:700;color:#fff;margin:0 0 .3rem}
#ck-desc{font-size:.82rem;color:rgba(255,255,255,.7);line-height:1.65;margin:0}
#ck-desc a{color:#D4BD3A;text-decoration:underline}
#ck-close{background:none;border:none;color:rgba(255,255,255,.35);cursor:pointer;padding:0;line-height:1;flex-shrink:0;margin-top:2px;transition:color .2s,transform .2s}
#ck-close:hover{color:#fff;transform:rotate(90deg)}

#ck-actions{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap;padding:.9rem 1.75rem 1.4rem;border-top:1px solid rgba(255,255,255,.07);margin-top:1.1rem}
#ck-btn-accept{flex:1;min-width:140px;background:linear-gradient(135deg,#B6A427,#D4BD3A);border:none;color:#0F1A4A;font-family:'Montserrat',sans-serif;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;padding:.7rem 1.5rem;border-radius:9px;cursor:pointer;transition:opacity .2s,transform .15s;box-shadow:0 4px 14px rgba(182,164,39,.35)}
#ck-btn-accept:hover{opacity:.9;transform:translateY(-1px)}
#ck-btn-settings{background:transparent;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.65);font-family:'Montserrat',sans-serif;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:.7rem 1.1rem;border-radius:9px;cursor:pointer;white-space:nowrap;transition:border-color .2s,color .2s}
#ck-btn-settings:hover{border-color:rgba(255,255,255,.4);color:#fff}

/* ── Panneau paramètres ── */
#ck-panel{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding:0 1.75rem}
#ck-panel.ck-open{max-height:400px;padding:0 1.75rem 1.4rem}
#ck-panel-title{font-family:'Montserrat',sans-serif;font-size:.75rem;font-weight:700;color:rgba(255,255,255,.4);text-transform:uppercase;letter-spacing:.1em;margin:1rem 0 .65rem;padding-top:.9rem;border-top:1px solid rgba(255,255,255,.07)}

.ck-row{display:flex;align-items:center;justify-content:space-between;padding:.65rem 0;border-bottom:1px solid rgba(255,255,255,.05)}
.ck-row:last-of-type{border-bottom:none}
.ck-row-label{font-size:.84rem;font-weight:600;color:#fff;margin-bottom:.1rem}
.ck-row-desc{font-size:.74rem;color:rgba(255,255,255,.45);line-height:1.4}
.ck-badge{display:inline-block;background:rgba(182,164,39,.18);color:#D4BD3A;font-size:.66rem;font-weight:700;letter-spacing:.05em;padding:.12rem .45rem;border-radius:4px;text-transform:uppercase;vertical-align:middle;margin-left:.3rem}

.ck-toggle{position:relative;width:44px;height:25px;flex-shrink:0;margin-left:1.1rem}
.ck-toggle input{opacity:0;width:0;height:0;position:absolute}
.ck-slider{position:absolute;inset:0;background:rgba(255,255,255,.12);border-radius:25px;cursor:pointer;transition:background .25s}
.ck-slider::before{content:'';position:absolute;width:19px;height:19px;left:3px;top:3px;background:#fff;border-radius:50%;transition:transform .25s,box-shadow .25s;box-shadow:0 1px 4px rgba(0,0,0,.3)}
.ck-toggle input:checked + .ck-slider{background:#B6A427}
.ck-toggle input:checked + .ck-slider::before{transform:translateX(19px)}
.ck-toggle input:disabled + .ck-slider{opacity:.55;cursor:not-allowed}

#ck-panel-footer{display:flex;gap:.6rem;margin-top:.85rem}
#ck-btn-save{flex:1;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.75);font-family:'Montserrat',sans-serif;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;padding:.65rem 1rem;border-radius:8px;cursor:pointer;transition:background .2s,color .2s}
#ck-btn-save:hover{background:rgba(255,255,255,.12);color:#fff}

.ck-note{font-size:.72rem;color:rgba(255,255,255,.3);line-height:1.5;margin-top:.75rem;font-style:italic}

@media(max-width:500px){
  #ck-main{padding:1.25rem 1.25rem .9rem}
  #ck-actions{padding:.75rem 1.25rem 1.25rem;flex-direction:column}
  #ck-btn-accept,#ck-btn-settings{width:100%;text-align:center}
  #ck-panel{padding:0 1.25rem}
  #ck-panel.ck-open{padding:0 1.25rem 1.25rem}
}