.cko{padding:22px 0 48px}
.cko h1{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.04em;margin:0 0 18px}
.cko-steps{
  list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:0 0 8px;padding:0;
}
.cko-step-note{font-size:13px;color:var(--ink-soft);margin:0 0 18px}
.cko-step{
  width:100%;display:flex;align-items:center;gap:8px;padding:10px 12px;
  border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;text-align:left;
}
.cko-step:disabled{opacity:.45;cursor:not-allowed}
.cko-step .n{
  width:22px;height:22px;border-radius:999px;display:grid;place-items:center;
  background:var(--paper);font-size:12px;font-weight:800;flex-shrink:0;
}
.cko-step .l{font-size:13px;font-weight:700;color:var(--ink-soft)}
.cko-steps .is-on .cko-step{border-color:var(--blue);background:var(--blue-soft);box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.cko-steps .is-on .n{background:var(--blue);color:#fff}
.cko-steps .is-done .n{background:var(--ok);color:#fff}
.cko-steps .is-done .l,.cko-steps .is-on .l,.cko-steps .is-open .l{color:var(--ink)}
.cko-steps .is-done .cko-step,.cko-steps .is-open .cko-step{cursor:pointer}
.cko-steps .is-done .cko-step:hover,.cko-steps .is-open .cko-step:hover{border-color:var(--blue)}

.cko-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:16px;align-items:start}
.cko-main{min-width:0;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:18px}
.cko-pane h2{font-size:18px;font-weight:800;margin:0 0 6px}
.cko-lead{font-size:14px;color:var(--ink-soft);margin:0 0 16px}
.cko-empty{padding:28px;text-align:center;border:1px dashed var(--line);border-radius:12px;background:var(--paper)}
.cko-empty a{display:inline-flex;margin-top:12px;height:40px;align-items:center;padding:0 16px;background:var(--blue);color:#fff;border-radius:10px;font-weight:700}

.cko-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto auto auto;gap:12px;align-items:center;
  padding:12px 0;border-bottom:1px solid var(--line-soft);
}
.cko-pic{width:64px;height:64px;border:1px solid var(--line);border-radius:10px;background:var(--paper);overflow:hidden}
.cko-pic img{width:100%;height:100%;object-fit:contain}
.cko-meta .sku{font-size:12px;font-weight:700;color:var(--blue)}
.cko-meta a{font-weight:700}
.cko-meta .sub{font-size:12px;color:var(--ink-faint);margin-top:2px}
.cko-price{font-weight:800;white-space:nowrap}
.cko-del{width:32px;height:32px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-size:18px;color:var(--ink-soft)}
.cko-del:hover{border-color:var(--red);color:var(--red)}

.cko-opts{display:flex;flex-direction:column;gap:8px;margin:0 0 16px}
.cko-opt{
  display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border:1px solid var(--line);
  border-radius:12px;cursor:pointer;background:#fff;
}
.cko-opt:has(input:checked){border-color:var(--blue);background:var(--blue-soft)}
.cko-opt b{display:block;font-size:14px}
.cko-opt small{color:var(--ink-soft)}
.cko-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cko-fields label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:650}
.cko-fields input,.cko-fields textarea{
  height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;background:var(--paper);
}
.cko-fields textarea{height:88px;padding:10px 12px;resize:vertical}
.cko-fields input:focus,.cko-fields textarea:focus{outline:none;border-color:#93c5fd;background:#fff;box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.cko-span{grid-column:1/-1}
.cko-rev-block{padding:12px 0;border-bottom:1px solid var(--line-soft)}
.cko-rev-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 6px}
.cko-rev-block h3{font-size:13px;color:var(--ink-faint);margin:0}
.cko-rev-block p{margin:0 0 4px;font-weight:650}
.cko-edit{border:0;background:none;color:var(--blue);font-weight:700;cursor:pointer;padding:0;font-size:13px}
.cko-edit:hover{text-decoration:underline}

.cko-nav{display:flex;justify-content:space-between;gap:12px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line-soft)}
.cko-nav button{
  height:44px;padding:0 18px;border-radius:10px;font-weight:700;cursor:pointer;border:1px solid var(--line);background:#fff;
}
.cko-next{background:var(--blue)!important;color:#fff!important;border-color:transparent!important}
.cko-hint{min-height:20px;margin-top:10px;font-size:13px;color:var(--red);font-weight:650}

.cko-sum{position:sticky;top:88px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
.cko-sum h2{font-size:15px;margin:0 0 12px}
.cko-sum-lines{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--ink-soft)}
.cko-sum-lines div{display:flex;justify-content:space-between}
.cko-sum-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.cko-sum-total b{font-size:22px;letter-spacing:-.03em}

.cko-done{text-align:center;padding:36px 12px}
.cko-done h2{font-size:26px;margin:0 0 8px}
.cko-done p{color:var(--ink-soft);margin:0 0 16px}

@media(max-width:900px){
  .cko-layout{grid-template-columns:1fr}
  .cko-sum{position:static}
  .cko-fields{grid-template-columns:1fr}
  .cko-item{grid-template-columns:56px minmax(0,1fr) auto;grid-template-areas:"pic meta del" "pic qty price"}
  .cko-pic{grid-area:pic}
  .cko-meta{grid-area:meta}
  .cko-del{grid-area:del;justify-self:end}
  .cko-item .qty{grid-area:qty}
  .cko-price{grid-area:price}
  .cko-steps{grid-template-columns:1fr 1fr}
}