.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);border:none;border-radius:var(--radius-full);font-weight:600;letter-spacing:-.01em;cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),opacity var(--duration-fast);white-space:nowrap}.btn--s{height:32px;padding:0 var(--space-3);font-size:13px}.btn--m{height:44px;padding:0 var(--space-5);font-size:16px}.btn--l{height:52px;padding:0 var(--space-6);font-size:17px}.btn--primary{background:var(--color-accent);color:#fff}.btn--primary:active{background:var(--color-accent-press)}.btn--secondary{background:var(--color-surface-2);color:var(--color-text)}.btn--ghost{background:transparent;color:var(--color-accent)}.btn--danger{background:var(--color-danger);color:#fff}.btn--full{width:100%}.btn:disabled{opacity:.4;cursor:not-allowed}.card{background:var(--color-surface);border-radius:var(--radius-l);box-shadow:var(--shadow-soft)}.skeleton{background:linear-gradient(100deg,var(--color-surface-2) 30%,rgba(255,255,255,.6) 50%,var(--color-surface-2) 70%);background-size:200% 100%;border-radius:var(--radius-m);animation:skeleton-shimmer 1.4s ease-in-out infinite}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-7) 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var(--safe-bottom));padding-bottom:var(--safe-bottom);display:flex;background:#ffffffdb;-webkit-backdrop-filter:blur(20px) saturate(180%);backdrop-filter:blur(20px) saturate(180%);border-top:1px solid var(--color-border);z-index:50}[data-theme=dark] .tab-bar{background:#1c1c1edb}.tab-bar__item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--color-text-tertiary);transition:color var(--duration-fast) var(--ease-out);position:relative}.tab-bar__item--active{color:var(--color-accent)}.tab-bar__icon{font-size:22px;line-height:1;position:relative}.tab-bar__label{font-size:11px;font-weight:600;letter-spacing:-.01em}.tab-bar__badge{position:absolute;top:-4px;right:-10px;min-width:16px;height:16px;padding:0 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var(--space-4);font-size:14px;font-weight:600;background:var(--color-surface-2);color:var(--color-text-secondary);cursor:pointer;transition:background var(--duration-fast) var(--ease-out),color var(--duration-fast)}.category-chip--active{background:var(--color-text);color:var(--color-surface)}.cqc{display:inline-flex;flex-direction:column;align-items:center;gap:4px}.cqc__add-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);background:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-full);font-family:var(--font-sans);font-weight:600;cursor:pointer;transition:opacity .15s;white-space:nowrap}.cqc__add-btn:disabled{opacity:.55;cursor:not-allowed}.cqc--default .cqc__add-btn,.cqc--default.cqc__add-btn{width:100%;font-size:17px;padding:14px var(--space-4)}.cqc--compact .cqc__add-btn,.cqc--compact.cqc__add-btn{font-size:13px;padding:7px var(--space-3)}.cqc__stepper{display:inline-flex;align-items:center;gap:var(--space-3);background:var(--color-surface-2);border-radius:var(--radius-full);padding:var(--space-1)}.cqc--default .cqc__stepper{width:100%;justify-content:center;padding:var(--space-2) var(--space-3);gap:var(--space-5)}.cqc__btn{border:none;border-radius:var(--radius-full);background:var(--color-surface);color:var(--color-text);font-size:20px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .15s;flex-shrink:0}.cqc--default .cqc__btn{width:44px;height:44px;font-size:22px}.cqc--compact .cqc__btn{width:32px;height:32px;font-size:18px}.cqc__btn:disabled{opacity:.3;cursor:not-allowed}.cqc__qty{min-width:24px;text-align:center;font-weight:700;display:flex;align-items:center;justify-content:center}.cqc--default .cqc__qty{font-size:20px;min-width:32px}.cqc--compact 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var(--space-3)}.cart-summary__row--total{margin-bottom:var(--space-4);color:var(--color-text);font-weight:600}.cart-summary__total{font-size:22px;font-weight:700;color:var(--color-text)}.checkout-addresses{padding:var(--space-3);margin-bottom:var(--space-4);display:flex;flex-direction:column;gap:var(--space-2)}.checkout-address-option{display:flex;align-items:flex-start;gap:var(--space-2);padding:var(--space-2);border-radius:var(--radius-m);cursor:pointer}.checkout-address-option input{margin-top:4px}.checkout-address-option__name{font-size:14px;font-weight:600}.checkout-address-option__line{font-size:13px;color:var(--color-text-secondary)}.checkout-address-empty{font-size:13px;color:var(--color-text-secondary);padding:var(--space-2)}.checkout-address-add{border:1px dashed 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