/* v2-checkout.css — 찬스몰 상품 페이지 주문 상자 (옵션·수량 선택 → 토스 결제) */
.ck{--k-ink:#0b1220;--k-ink2:#2b3441;--k-muted:#5b6573;--k-line:#e4e7ec;--k-line2:#d3d8df;--k-bg:#f6f7f9;--k-brand:#0a9b6f;--k-brand-ink:#067552;--k-soft:#e8f6f0;
  background:#fff;border:1px solid var(--k-line);border-radius:20px;padding:clamp(20px,3vw,28px);box-shadow:0 20px 44px -30px rgba(11,18,32,.3);margin-bottom:16px;
  font-family:"Pretendard Variable",Pretendard,-apple-system,sans-serif;color:var(--k-ink);word-break:keep-all;text-align:left}
.ck *{box-sizing:border-box}
.ck-step{display:flex;align-items:center;gap:8px;margin:0 0 12px;font-size:15px;font-weight:720;color:var(--k-ink)}
.ck-step i{font-style:normal;width:22px;height:22px;border-radius:50%;background:var(--k-ink);color:#fff;font-size:12px;font-weight:700;display:grid;place-items:center}
.ck-block+.ck-block{margin-top:24px;padding-top:22px;border-top:1px solid var(--k-line)}
/* 옵션 */
.ck-opts{display:grid;gap:8px}
.ck-opt{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px;padding:14px 16px;border:1.5px solid var(--k-line);border-radius:14px;cursor:pointer;transition:border-color .15s,background .15s}
.ck-opt:hover{border-color:var(--k-line2)}
.ck-opt input{appearance:none;-webkit-appearance:none;width:20px;height:20px;border-radius:50%;border:2px solid var(--k-line2);margin:0;display:grid;place-items:center;flex:none}
.ck-opt input:checked{border-color:var(--k-brand)}
.ck-opt input:checked::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--k-brand)}
.ck-opt.on{border-color:var(--k-brand);background:var(--k-soft)}
.ck-opt b{display:block;font-size:15.5px;font-weight:700}
.ck-opt small{display:block;margin-top:1px;font-size:13px;color:var(--k-muted);line-height:1.45}
.ck-opt .pr{font-size:16px;font-weight:760;letter-spacing:-.02em;white-space:nowrap;font-variant-numeric:tabular-nums}
.ck-opt .tag{display:inline-block;margin-left:6px;font-size:11.5px;font-weight:700;color:#c2410c;background:#fff4ed;border-radius:999px;padding:1px 7px;vertical-align:1px}
/* 수량 */
.ck-qty{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ck-qty-l b{display:block;font-size:15px;font-weight:700}
.ck-qty-l small{display:block;font-size:13px;color:var(--k-muted)}
.ck-stepper{display:inline-flex;align-items:center;border:1.5px solid var(--k-line2);border-radius:12px;overflow:hidden}
.ck-stepper button{width:44px;height:44px;border:0;background:#fff;font-size:20px;line-height:1;color:var(--k-ink);cursor:pointer}
.ck-stepper button:hover:not(:disabled){background:var(--k-bg)}
.ck-stepper button:disabled{color:#c3c8cf;cursor:default}
.ck-stepper output{min-width:48px;text-align:center;font-size:17px;font-weight:720;font-variant-numeric:tabular-nums;border-inline:1.5px solid var(--k-line2);line-height:44px}
/* 입력 */
.ck-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.ck-f{display:grid;gap:6px}
.ck-f.full{grid-column:1/-1}
.ck-f label{font-size:13.5px;font-weight:650;color:var(--k-ink2)}
.ck-f label em{font-style:normal;color:var(--k-brand-ink)}
.ck-f input,.ck-f textarea{width:100%;height:48px;padding:0 14px;border:1.5px solid var(--k-line2);border-radius:12px;background:#fff;font:inherit;font-size:15.5px;color:var(--k-ink)}
.ck-f textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.55}
.ck-f input:focus,.ck-f textarea:focus{outline:none;border-color:var(--k-brand);box-shadow:0 0 0 4px rgba(10,155,111,.14)}
.ck-check{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--k-ink2);cursor:pointer}
.ck-check input{width:18px;height:18px;accent-color:var(--k-brand);margin:0;flex:none}
.ck-agree{align-items:flex-start;line-height:1.55}
.ck-agree input{margin-top:2px}
/* 합계 */
.ck-sum{margin-top:24px;padding:18px 18px 16px;border-radius:16px;background:var(--k-bg)}
.ck-row{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;color:var(--k-muted);font-variant-numeric:tabular-nums}
.ck-row+.ck-row{margin-top:6px}
.ck-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid var(--k-line)}
.ck-total>span{font-size:15px;font-weight:700}
.ck-total b{font-size:28px;font-weight:800;letter-spacing:-.03em;color:var(--k-ink);font-variant-numeric:tabular-nums}
.ck-total b small{font-size:14px;font-weight:600;color:var(--k-muted);margin-left:4px}
.ck-agree{margin-top:14px}
.ck-pay{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:56px;margin-top:14px;border:0;border-radius:14px;background:var(--k-brand);color:#fff;font:inherit;font-size:17px;font-weight:760;cursor:pointer;transition:background .15s,opacity .15s}
.ck-pay:hover:not(:disabled){background:var(--k-brand-ink)}
.ck-pay:disabled{opacity:.45;cursor:not-allowed}
.ck-msg{min-height:1.4em;margin-top:8px;font-size:13px;color:#c2410c;text-align:center}
.ck-foot{margin-top:6px;font-size:12.5px;line-height:1.6;color:var(--k-muted);text-align:center}
.ck-foot img{display:inline-block;height:14px;width:auto;vertical-align:-2px;margin-right:4px}
@media (max-width:640px){
  .ck-fields{grid-template-columns:minmax(0,1fr)}
  .ck-opt{padding:12px 14px}
  .ck-total b{font-size:24px}
}
/* 결제 전 구매 계약 확인 안내 (모달은 js/order-contract.js) */
.ck-agree-note{margin:14px 0 0;font-size:13px;line-height:1.6;color:var(--k-muted)}
.ck-agree-note b{color:var(--k-ink2);font-weight:700}
.ck-agree-note a{color:inherit;text-decoration:underline}