:root{
  --itri-black:#0A0A0A;
  --itri-gold:#C9A646;
  --itri-white:#F4F1EA;
  --itri-border:rgba(201,166,70,.22);
}

.itri-cs-lock, .itri-cs-lock body{overflow:hidden;}
.itri-cs-modal{position:fixed;inset:0;z-index:99999;display:none;}
.itri-cs-modal.is-open{display:block;}
.itri-cs-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(4px);}
.itri-cs-dialog{position:relative;z-index:2;width:min(1080px,calc(100% - 24px));max-height:calc(100vh - 24px);overflow:auto;margin:12px auto;background:var(--itri-black);color:var(--itri-white);border:1px solid var(--itri-border);border-radius:24px;box-shadow:0 24px 80px rgba(0,0,0,.45);}
.itri-cs-close{position:absolute;top:10px;right:12px;border:none;background:transparent;color:var(--itri-white);font-size:32px;line-height:1;cursor:pointer;}
.itri-cs-grid{display:grid;grid-template-columns:1.1fr .9fr;min-height:560px;}
.itri-cs-col{padding:28px;}
.itri-cs-col h3{margin:0 0 10px;font-size:24px;letter-spacing:.04em;}
.itri-cs-mini-note{margin:0 0 18px;opacity:.85;font-size:14px;}
.cart-col{border-right:1px solid var(--itri-border);}
.itri-cs-cart-list{display:flex;flex-direction:column;gap:14px;}
.itri-cs-cart-item{display:grid;grid-template-columns:78px 1fr;gap:14px;padding:14px;border:1px solid var(--itri-border);border-radius:18px;background:rgba(255,255,255,.02);}
.itri-cs-cart-thumb img{width:78px;height:78px;object-fit:cover;border-radius:12px;}
.itri-cs-cart-title{font-weight:600;margin-bottom:2px;}
.itri-cs-cart-price{color:var(--itri-gold);margin-bottom:10px;}
.itri-cs-qty-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.itri-cs-qty-btn,.itri-cs-remove,.itri-cs-primary,.itri-cs-secondary,.itri-cs-short-form button{border-radius:999px;cursor:pointer;}
.itri-cs-qty-btn{width:34px;height:34px;border:1px solid var(--itri-border);background:transparent;color:var(--itri-white);font-size:20px;}
.itri-cs-remove{border:1px solid rgba(255,255,255,.14);background:transparent;color:var(--itri-white);padding:7px 12px;}
.itri-cs-summary{margin-top:18px;padding-top:18px;border-top:1px solid var(--itri-border);display:flex;flex-direction:column;gap:10px;}
.itri-cs-summary>div{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.itri-cs-summary .is-total{font-size:18px;}
.itri-cs-fields,.itri-cs-short-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.itri-cs-fields textarea,.itri-cs-short-grid textarea{grid-column:1/-1;min-height:110px;}
.itri-cs-fields input,.itri-cs-fields textarea,.itri-cs-short-grid input,.itri-cs-short-grid textarea{width:100%;padding:14px 16px;border-radius:16px;border:1px solid var(--itri-border);background:rgba(255,255,255,.03);color:var(--itri-white);}
.itri-cs-radio-row{display:flex;gap:14px;flex-wrap:wrap;margin:14px 0 18px;font-size:14px;}
.itri-cs-actions{display:flex;gap:12px;flex-wrap:wrap;}
.itri-cs-primary,.itri-cs-secondary,.itri-cs-short-form button{padding:13px 18px;font-weight:600;letter-spacing:.02em;}
.itri-cs-primary,.itri-cs-short-form button{background:var(--itri-gold);color:#111;border:1px solid var(--itri-gold);}
.itri-cs-secondary{background:transparent;color:var(--itri-white);border:1px solid var(--itri-border);}
.itri-cs-status{margin-top:14px;font-size:14px;}
.itri-cs-status.is-error{color:#ff8f8f;}
.itri-cs-status.is-success{color:#9cd18b;}
.itri-cs-empty{padding:20px;border:1px dashed var(--itri-border);border-radius:18px;opacity:.88;}
.itri-cs-short-form{display:flex;flex-direction:column;gap:14px;}

@media (max-width: 900px){
  .itri-cs-grid{grid-template-columns:1fr;}
  .cart-col{border-right:none;border-bottom:1px solid var(--itri-border);}
}
@media (max-width: 640px){
  .itri-cs-dialog{width:min(100% - 12px, 100%);margin:6px auto;max-height:calc(100vh - 12px);border-radius:18px;}
  .itri-cs-col{padding:18px;}
  .itri-cs-fields,.itri-cs-short-grid{grid-template-columns:1fr;}
  .itri-cs-actions{flex-direction:column;}
  .itri-cs-primary,.itri-cs-secondary,.itri-cs-short-form button{width:100%;}
}