[data-add] { display: inline-flex; }

.sf-cart-fab { position: fixed; right: 22px; bottom: 92px; z-index: 61; width: 58px; height: 58px; border-radius: 18px;
  background: var(--ink, #14181f); color: var(--paper, #fff); display: grid; place-items: center; cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent);
  box-shadow: 0 14px 34px color-mix(in srgb, var(--ink) 38%, transparent); transition: transform .25s cubic-bezier(.3,.9,.3,1.2), box-shadow .25s, background .2s; }
.sf-cart-fab:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 20px 44px color-mix(in srgb, var(--primary) 30%, transparent); }
.sf-cart-fab svg { width: 25px; height: 25px; }
.sf-cart-fab.wiggle { animation: sfCartWiggle .5s; }
@keyframes sfCartWiggle { 0%,100%{transform:rotate(0)} 20%{transform:rotate(-9deg)} 40%{transform:rotate(7deg)} 60%{transform:rotate(-5deg)} 80%{transform:rotate(3deg)} }
.sf-cart-badge { position: absolute; top: -7px; right: -7px; min-width: 22px; height: 22px; padding: 0 6px; border-radius: 99px;
  background: var(--primary); color: var(--on); font-family: var(--fd, system-ui); font-weight: 700; font-size: .72rem;
  display: grid; place-items: center; box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 50%, transparent); }
.sf-cart-badge[hidden] { display: none; }
.sf-cart-badge.pop { animation: sfCartPop .42s cubic-bezier(.2,1.4,.4,1); }
@keyframes sfCartPop { 0%{transform:scale(.4)} 55%{transform:scale(1.25)} 100%{transform:scale(1)} }

.sf-cart-backdrop { position: fixed; inset: 0; z-index: 94; background: color-mix(in srgb, var(--ink) 55%, transparent); backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px); opacity: 0; transition: opacity .3s; }
.sf-cart-backdrop.show { opacity: 1; }

.sf-cart-drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 95; width: min(420px, 94vw); display: flex; flex-direction: column;
  background: var(--paper, #fff); color: var(--ink, #14181f); box-shadow: -28px 0 70px color-mix(in srgb, var(--ink) 30%, transparent);
  transform: translateX(102%); transition: transform .42s cubic-bezier(.2,.85,.25,1); }
.sf-cart-drawer.show { transform: none; }
.sf-cart-head { flex: none; padding: 22px 22px 18px; background: var(--primary); color: var(--on); position: relative; overflow: hidden; }
.sf-cart-head::after { content: ""; position: absolute; right: -30px; top: -40px; width: 150px; height: 150px; border-radius: 50%; background: color-mix(in srgb, var(--on) 12%, transparent); }
.sf-cart-head h2 { font-family: var(--fd, system-ui); font-size: 1.35rem; font-weight: 800; letter-spacing: -.01em; position: relative; }
.sf-cart-head p { font-size: .8rem; opacity: .82; margin-top: 2px; position: relative; }
.sf-cart-x { position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; color: var(--on); background: color-mix(in srgb, var(--on) 14%, transparent); transition: background .2s, transform .2s; z-index: 1; }
.sf-cart-x:hover { background: color-mix(in srgb, var(--on) 26%, transparent); transform: rotate(90deg); }

.sf-cart-body { flex: 1; min-height: 0; overflow-y: auto; padding: 8px 18px; }
.sf-cart-empty { display: grid; place-items: center; height: 100%; gap: 12px; text-align: center; color: color-mix(in srgb, var(--ink) 50%, transparent); }
.sf-cart-empty svg { width: 46px; height: 46px; opacity: .4; }
.sf-cart-empty p { font-size: .9rem; max-width: 220px; line-height: 1.5; }

.sf-cart-item { display: grid; grid-template-columns: 1fr auto; gap: 6px 14px; padding: 16px 0; border-bottom: 1px dashed color-mix(in srgb, var(--ink) 16%, transparent); animation: sfCartItemIn .35s both; }
@keyframes sfCartItemIn { from { opacity: 0; transform: translateX(14px); } }
.sf-cart-item__name { font-family: var(--fd, system-ui); font-weight: 600; font-size: .98rem; padding-right: 8px; }
.sf-cart-item__price { font-family: var(--fd, system-ui); font-weight: 700; color: var(--primary); white-space: nowrap; }
.sf-cart-item__ctrl { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; margin-top: 4px; }
.sf-stepper { display: inline-flex; align-items: center; border: 1px solid color-mix(in srgb, var(--ink) 16%, transparent); border-radius: 99px; overflow: hidden; }
.sf-stepper button { width: 30px; height: 30px; display: grid; place-items: center; font-size: 1.1rem; color: var(--ink); transition: background .18s, color .18s; }
.sf-stepper button:hover { background: var(--primary); color: var(--on); }
.sf-stepper span { min-width: 26px; text-align: center; font-family: var(--fd, system-ui); font-weight: 700; font-size: .9rem; }
.sf-cart-item__rm { margin-left: auto; font-size: .76rem; font-weight: 600; color: color-mix(in srgb, var(--ink) 45%, transparent); text-decoration: underline; text-underline-offset: 3px; transition: color .2s; }
.sf-cart-item__rm:hover { color: #d6455a; }

.sf-cart-foot { flex: none; border-top: 1px solid color-mix(in srgb, var(--ink) 12%, transparent); padding: 16px 18px 20px; background: color-mix(in srgb, var(--soft) 40%, var(--paper)); }
.sf-cart-note { width: 100%; font: inherit; font-size: .85rem; color: var(--ink); background: var(--paper); border: 1px dashed color-mix(in srgb, var(--ink) 26%, transparent); border-radius: 10px; padding: 10px 12px; resize: none; margin-bottom: 14px; transition: border-color .2s; }
.sf-cart-note:focus { outline: none; border-color: var(--primary); border-style: solid; }
.sf-cart-total { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.sf-cart-total span { font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: color-mix(in srgb, var(--ink) 55%, transparent); }
.sf-cart-total strong { font-family: var(--fd, system-ui); font-size: 1.7rem; font-weight: 800; letter-spacing: -.02em; }
.sf-cart-checkout { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; font-family: var(--fd, system-ui); font-weight: 700; font-size: .98rem;
  background: #25d366; color: #fff; padding: 15px; border-radius: 12px; cursor: pointer; border: none; transition: transform .2s, box-shadow .25s, background .2s; }
.sf-cart-checkout:hover { transform: translateY(-2px); background: #1ebe5b; box-shadow: 0 14px 30px rgba(37,211,102,.4); }
.sf-cart-checkout svg { width: 20px; height: 20px; }

.sf-cart-toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(16px); z-index: 96; pointer-events: none;
  background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 99px; font-size: .85rem; font-weight: 600;
  box-shadow: 0 14px 36px color-mix(in srgb, var(--ink) 45%, transparent); opacity: 0; transition: opacity .3s, transform .35s cubic-bezier(.2,.9,.3,1.2); }
.sf-cart-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }