/* ═══════════════════════════════════════════════════════════
   SAMUI SPA — Components v4 (Sandy Light)
═══════════════════════════════════════════════════════════ */

/* CART SIDEBAR */
.cart-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.45); z-index:1100; backdrop-filter:blur(4px); }
.cart-overlay.active { display:block; }
.cart-sidebar { position:fixed; top:0; right:0; width:420px; max-width:100vw; height:100vh; background:var(--sand-0); z-index:1101; display:flex; flex-direction:column; transform:translateX(100%); transition:transform .4s cubic-bezier(.4,0,.2,1); border-left:1px solid var(--sand-2); box-shadow:-8px 0 40px rgba(0,0,0,.08); }
.cart-sidebar.open { transform:translateX(0); }
.cart-header { display:flex; align-items:center; justify-content:space-between; padding:26px 28px; border-bottom:1px solid var(--sand-2); }
.cart-header h3 { font-family:var(--font-serif); font-size:1.25rem; color:var(--dark); font-weight:400; letter-spacing:.04em; }
.cart-close { font-size:16px; color:var(--light); padding:6px; transition:color var(--trans); display:flex; align-items:center; }
.cart-close:hover { color:var(--dark); }
.cart-items { flex:1; overflow-y:auto; padding:18px 28px; }
.cart-empty { display:flex; flex-direction:column; align-items:center; justify-content:center; height:100%; text-align:center; gap:18px; }
.cart-empty-icon { color:var(--gold); opacity:.35; }
.cart-empty p { font-size:14px; color:var(--mid); font-weight:300; }
.cart-item { display:flex; gap:16px; padding:20px 0; border-bottom:1px solid var(--sand-2); }
.cart-item-img { width:72px; height:72px; overflow:hidden; flex-shrink:0; background:var(--sand-2); }
.cart-item-img img { width:100%; height:100%; object-fit:cover; }
.cart-item-info { flex:1; min-width:0; }
.cart-item-name { font-size:14px; color:var(--dark); line-height:1.4; margin-bottom:6px; font-weight:400; }
.cart-item-price { font-family:var(--font-serif); font-size:1.2rem; color:var(--dark); font-weight:400; }
.cart-item-duration { font-size:10px; color:var(--light); text-transform:uppercase; letter-spacing:1.5px; margin-top:3px; }
.cart-item-controls { display:flex; flex-direction:column; align-items:flex-end; gap:10px; }
.qty-controls { display:flex; align-items:center; border:1px solid var(--sand-2); }
.qty-btn { width:30px; height:30px; font-size:16px; color:var(--mid); transition:color var(--trans); display:flex; align-items:center; justify-content:center; }
.qty-btn:hover { color:var(--dark); }
.qty-num { font-size:13px; color:var(--dark); min-width:24px; text-align:center; }
.cart-item-remove { font-size:10px; color:var(--light); text-transform:uppercase; letter-spacing:1.5px; transition:color var(--trans); }
.cart-item-remove:hover { color:var(--dark); }
.cart-footer { padding:22px 28px; border-top:1px solid var(--sand-2); background:var(--sand-1); }
.cart-total { display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.cart-total span { font-size:9.5px; color:var(--light); text-transform:uppercase; letter-spacing:2px; }
.cart-total strong { font-family:var(--font-serif); font-size:2rem; color:var(--dark); font-weight:400; }
.cart-note { font-size:11px; color:var(--light); margin-bottom:16px; line-height:1.7; font-weight:300; }
.btn-checkout { width:100%; justify-content:center; }

/* MODALS */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:1200; align-items:center; justify-content:center; padding:24px; backdrop-filter:blur(6px); }
.modal-overlay.active { display:flex; }
.modal { background:var(--sand-0); border:1px solid var(--sand-2); width:100%; max-width:780px; max-height:90vh; overflow-y:auto; position:relative; animation:modalIn .35s ease; box-shadow:0 24px 80px rgba(0,0,0,.12); }
@keyframes modalIn { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }
.modal-close { position:sticky; float:right; top:18px; right:18px; width:34px; height:34px; background:var(--sand-1); border:1px solid var(--sand-2); font-size:13px; color:var(--mid); margin:18px 18px 0 0; transition:all var(--trans); display:flex; align-items:center; justify-content:center; z-index:10; cursor:pointer; }
.modal-close:hover { border-color:var(--dark); color:var(--dark); }

/* SERVICE MODAL */
.service-modal { max-width:840px; }
.service-modal-inner { display:grid; grid-template-columns:340px 1fr; }
.service-modal-img { height:100%; min-height:440px; overflow:hidden; background:var(--sand-2); }
.service-modal-img img { width:100%; height:100%; object-fit:cover; }
.service-modal-body { padding:44px 40px; }
.service-modal-tags { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px; }
.service-modal-tags span { font-size:9px; padding:4px 12px; font-weight:500; letter-spacing:1.5px; text-transform:uppercase; }
.tag-bestseller { background:var(--dark); color:var(--sand-0); }
.tag-duration { border:1px solid var(--sand-2); color:var(--mid); }
.tag-for { border:1px solid var(--sand-2); color:var(--mid); }
.service-modal-body h2 { font-family:var(--font-serif); font-size:2.1rem; color:var(--dark); margin-bottom:14px; font-weight:400; }
.service-modal-price { display:flex; align-items:baseline; gap:14px; margin-bottom:20px; }
.service-modal-price .price-current { font-family:var(--font-serif); font-size:2.3rem; color:var(--dark); font-weight:400; }
.service-modal-price .price-old { font-size:14px; color:var(--light); text-decoration:line-through; }
.service-modal-desc { font-size:14.5px; color:var(--mid); line-height:2.0; margin-bottom:26px; font-weight:300; }
.service-modal-includes h4 { font-size:9px; font-weight:600; color:var(--gold); margin-bottom:14px; text-transform:uppercase; letter-spacing:2px; }
.service-modal-includes ul { list-style:none; margin-bottom:28px; }
.service-modal-includes li { font-size:13.5px; color:var(--mid); padding:7px 0; display:flex; align-items:center; gap:12px; border-bottom:1px solid var(--sand-2); font-weight:300; }
.service-modal-includes li:last-child { border-bottom:none; }
.service-modal-includes li::before { content:'—'; color:var(--gold); flex-shrink:0; opacity:.7; }
.btn-add-to-cart-modal { width:100%; justify-content:center; padding:14px; }

/* CHECKOUT MODAL */
.checkout-modal { max-width:640px; padding:52px; }
.checkout-modal h2 { font-family:var(--font-serif); font-size:2.1rem; color:var(--dark); margin-bottom:6px; font-weight:400; }
.checkout-sub { color:var(--light); font-size:10px; margin-bottom:36px; text-transform:uppercase; letter-spacing:1.5px; }
.checkout-form { display:flex; flex-direction:column; gap:20px; }
.form-section { border:1px solid var(--sand-2); padding:24px; }
.form-section h4 { font-size:9.5px; font-weight:600; letter-spacing:2px; text-transform:uppercase; color:var(--gold); margin-bottom:20px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.optional { font-size:9.5px; color:var(--light); font-weight:300; letter-spacing:0; text-transform:none; }
.checkout-order-summary { background:var(--sand-1); padding:18px; border:1px solid var(--sand-2); }
.checkout-summary-item { display:flex; justify-content:space-between; font-size:13.5px; padding:8px 0; border-bottom:1px solid var(--sand-2); }
.checkout-summary-item:last-child { border-bottom:none; }
.checkout-summary-item span { color:var(--mid); font-weight:300; }
.checkout-summary-item strong { color:var(--dark); }
.checkout-total { display:flex; justify-content:space-between; align-items:center; padding:18px 0; border-top:1px solid var(--sand-2); }
.checkout-total span { font-size:9.5px; color:var(--light); text-transform:uppercase; letter-spacing:2px; }
.checkout-total strong { font-family:var(--font-serif); font-size:2rem; color:var(--dark); font-weight:400; }
.checkout-payment-info { display:flex; align-items:center; gap:16px; padding:16px; background:var(--sand-1); border:1px solid var(--sand-2); }
.checkout-payment-info p { font-size:12.5px; color:var(--mid); line-height:1.7; font-weight:300; }
.btn-pay { width:100%; justify-content:center; padding:16px; }
.checkout-error { border:1px solid rgba(180,80,80,.3); color:#c05050; padding:13px 18px; font-size:13px; background:rgba(180,80,80,.04); font-weight:300; }

/* RESPONSIVE */
@media(max-width:960px) {
  .service-modal-inner { grid-template-columns:1fr; }
  .service-modal-img { min-height:260px; }
  .form-row { grid-template-columns:1fr; }
  .checkout-modal { padding:28px; }
}
@media(max-width:640px) {
  .cart-sidebar { width:100%; }
  .checkout-modal { padding:24px 20px; }
  .service-modal-body { padding:28px; }
}