/* HappyByNumberArt "My collection" cart — styles for cart.js and collection.html.
   Uses the site's colours: teal #1a5c58, deep teal #0d3d3a, gold #e8c36a, cream #fff8ef. */
.hbn-sr{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* nav link + badge */
nav a.hbn-nav-collection{white-space:nowrap}
.hbn-count{display:inline-block;min-width:1.5em;margin-left:4px;padding:0 6px;border-radius:999px;background:#1a5c58;color:#fff;font-size:.8rem;line-height:1.5;text-align:center;vertical-align:1px}
.hbn-count[hidden]{display:none}

/* Add to collection button on book cards */
.hbn-add{display:block;width:100%;min-height:44px;margin:6px 0 2px;padding:10px 14px;border:2px solid #1a5c58;border-radius:999px;background:#1a5c58;color:#fff;font:inherit;font-weight:bold;font-size:.95rem;line-height:1.2;cursor:pointer}
.hbn-add:hover{filter:brightness(1.08)}
.hbn-add.is-added{background:#fff;color:#1a5c58}
.hbn-add:focus-visible,.hbn-qty-btn:focus-visible,.hbn-remove:focus-visible,.hbn-checkout:focus-visible,.hbn-buy:focus-visible{outline:3px solid #e8c36a;outline-offset:2px}

/* collection page */
.hbn-collection h1:focus{outline:none}
.hbn-lines{list-style:none;margin:20px 0;padding:0}
.hbn-line{display:grid;grid-template-columns:1fr auto 5.5em auto auto;align-items:center;gap:12px;padding:14px 16px;margin:0 0 10px;background:#fff;border:1px solid #ece3d6;border-radius:16px}
.hbn-line-title{display:block;font-weight:bold;color:#0d3d3a}
.hbn-line-price{display:block;font-size:.9rem;color:#555}
.hbn-line-sub{text-align:right;font-weight:bold}
.hbn-qty{display:flex;align-items:center;gap:6px}
.hbn-qty-btn{width:44px;height:44px;border:2px solid #1a5c58;border-radius:50%;background:#fff;color:#1a5c58;font:inherit;font-size:1.25rem;font-weight:bold;line-height:1;cursor:pointer}
.hbn-qty-btn:disabled{opacity:.4;cursor:not-allowed}
.hbn-qty-num{min-width:1.6em;text-align:center;font-weight:bold}
.hbn-remove{min-height:44px;padding:8px 12px;border:0;background:none;color:#9a3412;font:inherit;font-size:.9rem;text-decoration:underline;cursor:pointer}
.hbn-summary{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;padding:14px 16px;border-top:3px solid #e8c36a;font-size:1.2rem}
.hbn-summary strong{color:#0d3d3a;font-size:1.4rem}
.hbn-muted{color:#555;font-size:.9rem;margin:4px 0}
.hbn-checkout{display:block;width:fit-content;max-width:100%;margin:18px auto 8px;padding:16px 32px;background:#1a5c58;color:#fff;text-decoration:none;font-weight:bold;font-size:1.15rem;text-align:center;border-radius:999px;box-shadow:0 3px 0 #0d3d3a}
.hbn-checkout:hover{filter:brightness(1.08);color:#fff}
.hbn-note{margin:16px 0;padding:12px 16px;background:#f4faf9;border:1px solid #c5e4df;border-radius:12px}
.hbn-note p{margin:0 0 6px}
.hbn-note p:last-child{margin:0}
.hbn-line-buy{display:flex;flex-direction:column;align-items:center;gap:4px}
.hbn-buy{display:inline-block;min-height:44px;box-sizing:border-box;padding:11px 18px;border-radius:999px;background:#e8c36a;color:#0d3d3a;text-decoration:none;font-weight:bold;font-size:.95rem;line-height:1.2;text-align:center;white-space:nowrap;box-shadow:0 2px 0 #c9a44a}
.hbn-buy:hover{filter:brightness(1.05);color:#0d3d3a}
.hbn-buy-qty{font-size:.8rem;color:#555;text-align:center}
.hbn-etsy{font-size:.85rem;color:#1a5c58;font-weight:600}
.hbn-empty{padding:30px 16px;text-align:center;background:#fff;border:1px dashed #e8c36a;border-radius:16px}

@media (max-width:600px){
  .hbn-line{grid-template-columns:1fr auto;grid-template-areas:"info info" "qty sub" "buy buy" "rm rm";row-gap:8px}
  .hbn-line-buy{grid-area:buy;align-items:stretch}
  .hbn-buy{display:block;width:100%}
  .hbn-line-info{grid-area:info}
  .hbn-qty{grid-area:qty}
  .hbn-line-sub{grid-area:sub}
  .hbn-remove{grid-area:rm;justify-self:start;padding-left:0}
  .hbn-checkout{width:100%;padding:16px 20px}
}