:root{--sk-bg: #f7f7f8;--sk-bg-elevated: #ffffff;--sk-fg: #111111;--sk-fg-muted: #6b7280;--sk-border: #e5e7eb;--sk-accent: #111827;--sk-accent-fg: #ffffff;--sk-success: #16a34a;--sk-warn: #d97706;--sk-danger: #dc2626;--sk-space-1: 4px;--sk-space-2: 8px;--sk-space-3: 12px;--sk-space-4: 16px;--sk-space-5: 24px;--sk-space-6: 32px;--sk-space-8: 48px;--sk-radius-1: 4px;--sk-radius-2: 8px;--sk-radius-3: 12px;--sk-radius-full: 999px;--sk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--sk-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--sk-text-xs: 12px;--sk-text-sm: 14px;--sk-text-md: 16px;--sk-text-lg: 18px;--sk-text-xl: 22px;--sk-text-2xl: 28px;--sk-header-h: 56px;--sk-screen-max-w: 480px}@media(prefers-color-scheme:dark){:root{--sk-bg: #0b0b0c;--sk-bg-elevated: #18181b;--sk-fg: #f5f5f5;--sk-fg-muted: #9ca3af;--sk-border: #27272a;--sk-accent: #f5f5f5;--sk-accent-fg: #0b0b0c}}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--sk-bg);color:var(--sk-fg);font-family:var(--sk-font);font-size:var(--sk-text-md);line-height:1.4;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}body{overscroll-behavior:none}a{color:inherit}button,input,textarea,select{font:inherit;color:inherit}img{max-width:100%;display:block}.sk-screen{display:block;max-width:var(--sk-screen-max-w);margin:0 auto;padding:var(--sk-space-4);min-height:100dvh}.sk-header{display:flex;align-items:center;justify-content:space-between;height:var(--sk-header-h);padding:0 var(--sk-space-4);background:var(--sk-bg-elevated);border-bottom:1px solid var(--sk-border);position:sticky;top:0;z-index:10}.sk-title{font-size:var(--sk-text-lg);font-weight:600;margin:0}.sk-h2{font-size:var(--sk-text-xl);font-weight:600;margin:0 0 var(--sk-space-3)}.sk-muted{color:var(--sk-fg-muted)}.sk-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sk-space-2);height:44px;padding:0 var(--sk-space-4);border-radius:var(--sk-radius-2);border:1px solid var(--sk-border);background:var(--sk-bg-elevated);cursor:pointer;font-weight:500;text-decoration:none}.sk-btn:active{transform:translateY(1px)}.sk-btn-primary{background:var(--sk-accent);color:var(--sk-accent-fg);border-color:var(--sk-accent)}.sk-btn-block{width:100%}.sk-input{display:block;width:100%;height:44px;padding:0 var(--sk-space-3);border:1px solid var(--sk-border);border-radius:var(--sk-radius-2);background:var(--sk-bg-elevated)}.sk-input:focus{outline:2px solid var(--sk-accent);outline-offset:-1px}.sk-field{margin-bottom:var(--sk-space-4)}.sk-field-label{display:block;font-size:var(--sk-text-sm);margin-bottom:var(--sk-space-2);color:var(--sk-fg-muted)}.sk-card{background:var(--sk-bg-elevated);border:1px solid var(--sk-border);border-radius:var(--sk-radius-3);padding:var(--sk-space-4)}.sk-stack>*+*{margin-top:var(--sk-space-3)}.sk-toast-container{position:fixed;inset:auto 0 16px;display:flex;flex-direction:column;align-items:center;gap:var(--sk-space-2);pointer-events:none;z-index:1000;padding:0 var(--sk-space-4)}.sk-toast{pointer-events:auto;max-width:min(440px,calc(100vw - 32px));background:var(--sk-fg);color:var(--sk-bg);padding:var(--sk-space-3) var(--sk-space-4);border-radius:var(--sk-radius-2);box-shadow:0 4px 16px #0000002e;font-size:var(--sk-text-sm);opacity:0;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease}.sk-toast.sk-toast-show{opacity:1;transform:translateY(0)}.sk-toast-error{background:var(--sk-danger);color:#fff}.sk-toast-success{background:var(--sk-success);color:#fff}.sk-banner{padding:var(--sk-space-3) var(--sk-space-4);border-radius:var(--sk-radius-2);font-size:var(--sk-text-sm)}.sk-banner-warn{background:#fff7ed;color:#9a3412;border:1px solid #fed7aa}.sk-banner-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.sk-camera{position:relative;width:100%;aspect-ratio:4 / 3;background:#000;border-radius:var(--sk-radius-3);overflow:hidden;margin-top:var(--sk-space-3)}.sk-camera video{width:100%;height:100%;object-fit:cover;display:block}.sk-camera-reticle{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}.sk-camera-reticle:before{content:"";width:60%;aspect-ratio:1;border:2px solid rgba(255,255,255,.85);border-radius:var(--sk-radius-2);box-shadow:0 0 0 9999px #00000040}.sk-camera-fallback{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;color:#fff;text-align:center;padding:var(--sk-space-4)}.sk-camera-fallback.is-shown{display:flex}.sk-camera-fallback p{color:#fff;margin:0}.sk-cart{list-style:none;margin:var(--sk-space-3) 0 0;padding:0;background:var(--sk-bg-elevated);border:1px solid var(--sk-border);border-radius:var(--sk-radius-3);overflow:hidden}.sk-cart-empty{padding:var(--sk-space-5);text-align:center}.sk-cart-line{display:grid;grid-template-columns:auto 1fr auto auto;gap:var(--sk-space-2) var(--sk-space-3);align-items:center;padding:var(--sk-space-3) var(--sk-space-4);border-bottom:1px solid var(--sk-border);transition:background .2s ease}.sk-cart-line:last-child{border-bottom:none}.sk-cart-line--flash{animation:skFlash .7s ease}@keyframes skFlash{0%{background:#d977062e}to{background:transparent}}.sk-cart-line__sku{font-family:var(--sk-font-mono);font-size:var(--sk-text-sm);color:var(--sk-fg-muted)}.sk-cart-line__name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sk-cart-line__price{font-variant-numeric:tabular-nums;font-weight:500}.sk-cart-line__remove{background:transparent;border:none;color:var(--sk-fg-muted);font-size:22px;line-height:1;cursor:pointer;padding:var(--sk-space-1) var(--sk-space-2)}.sk-total{display:flex;justify-content:space-between;align-items:baseline;font-size:var(--sk-text-lg);font-weight:600;margin:var(--sk-space-4) 0 var(--sk-space-3)}.sk-sheet{position:fixed;inset:0;z-index:100;pointer-events:none}.sk-sheet-backdrop{position:absolute;inset:0;background:#0006;opacity:0;transition:opacity .22s ease}.sk-sheet-panel{position:absolute;left:0;right:0;bottom:0;background:var(--sk-bg-elevated);border-radius:var(--sk-radius-3) var(--sk-radius-3) 0 0;padding:var(--sk-space-5) var(--sk-space-4) calc(var(--sk-space-5) + env(safe-area-inset-bottom));max-height:85dvh;overflow:auto;transform:translateY(100%);transition:transform .22s ease;box-shadow:0 -8px 24px #0000002e}.sk-sheet-open{pointer-events:auto}.sk-sheet-open .sk-sheet-backdrop{opacity:1}.sk-sheet-open .sk-sheet-panel{transform:translateY(0)}.sk-confirm{display:block;max-width:420px;margin:0 auto}.sk-confirm__image{width:100%;aspect-ratio:4 / 3;background:var(--sk-bg);border-radius:var(--sk-radius-2);overflow:hidden;margin-bottom:var(--sk-space-3);display:flex;align-items:center;justify-content:center}.sk-confirm__image img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}.sk-confirm__placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--sk-fg-muted);font-size:var(--sk-text-sm)}.sk-confirm__name{font-size:var(--sk-text-lg);font-weight:600;margin-bottom:var(--sk-space-1)}.sk-confirm__meta{color:var(--sk-fg-muted);font-size:var(--sk-text-sm);margin-bottom:var(--sk-space-3)}.sk-confirm__price{font-size:var(--sk-text-2xl);font-weight:700;margin-bottom:var(--sk-space-4);font-variant-numeric:tabular-nums}.sk-confirm__actions{display:flex;gap:var(--sk-space-2)}.sk-confirm__actions .sk-btn{flex:1}.sk-warn-pill{display:inline-block;padding:0 6px;border-radius:var(--sk-radius-full);background:var(--sk-warn);color:#fff;font-size:11px;vertical-align:middle}.sk-qty-row{display:flex;align-items:center;gap:var(--sk-space-3);padding:var(--sk-space-3) 0 var(--sk-space-4);border-top:1px solid var(--sk-border);border-bottom:1px solid var(--sk-border);margin-bottom:var(--sk-space-4)}.sk-qty-label{font-weight:500;flex-grow:1}.sk-qty-btn{width:44px;height:44px;border-radius:var(--sk-radius-2);border:1px solid var(--sk-border);background:var(--sk-bg-elevated);font-size:22px;line-height:1;cursor:pointer;user-select:none}.sk-qty-btn:active:not(:disabled){transform:translateY(1px)}.sk-qty-btn:disabled{opacity:.4;cursor:not-allowed}.sk-qty-value{min-width:32px;text-align:center;font-size:var(--sk-text-lg);font-weight:600;font-variant-numeric:tabular-nums}.sk-qty-max{font-size:var(--sk-text-sm)}.sk-qty-tag{display:inline-block;padding:0 6px;border-radius:var(--sk-radius-1);background:var(--sk-accent);color:var(--sk-accent-fg);font-size:11px;font-weight:600;vertical-align:middle}.sk-confirm__loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--sk-space-8) var(--sk-space-4);gap:var(--sk-space-3)}.sk-confirm__loading-sku{font-family:var(--sk-font-mono);font-size:var(--sk-text-lg);font-weight:600}.sk-spinner-large{width:44px;height:44px;border:4px solid var(--sk-border);border-top-color:var(--sk-accent);border-radius:50%;animation:skSpin .7s linear infinite}@keyframes skSpin{to{transform:rotate(360deg)}}.sk-search-results{list-style:none;margin:0;padding:0}.sk-search-row{display:grid;grid-template-columns:auto 1fr auto;gap:var(--sk-space-3);align-items:center;padding:var(--sk-space-3) var(--sk-space-2);border-bottom:1px solid var(--sk-border);cursor:pointer}.sk-search-row:last-child{border-bottom:none}.sk-search-row__sku{font-family:var(--sk-font-mono);font-size:var(--sk-text-sm);color:var(--sk-fg-muted)}.sk-search-row__name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sk-search-row__price{font-variant-numeric:tabular-nums}.sk-radio{display:flex;align-items:flex-start;gap:var(--sk-space-3);padding:var(--sk-space-2) 0;cursor:pointer}.sk-radio input{margin-top:4px;flex-shrink:0}.sk-row-toggle{display:flex;align-items:center;justify-content:space-between;gap:var(--sk-space-3);cursor:pointer}.sk-row-toggle input[type=checkbox]{width:44px;height:26px;appearance:none;background:var(--sk-border);border-radius:var(--sk-radius-full);position:relative;cursor:pointer;flex-shrink:0;transition:background .2s ease}.sk-row-toggle input[type=checkbox]:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:left .2s ease;box-shadow:0 1px 3px #0003}.sk-row-toggle input[type=checkbox]:checked{background:var(--sk-success)}.sk-row-toggle input[type=checkbox]:checked:after{left:21px}.sk-change-row{font-size:var(--sk-text-md);font-variant-numeric:tabular-nums}.sk-change-amount{display:block;padding:var(--sk-space-3);background:#16a34a1a;color:var(--sk-success);border-radius:var(--sk-radius-2);text-align:center;font-size:var(--sk-text-lg)}.sk-change-amount strong{font-size:var(--sk-text-2xl);margin-left:var(--sk-space-2)}.sk-change-short{display:block;padding:var(--sk-space-3);background:#dc26261a;color:var(--sk-danger);border-radius:var(--sk-radius-2);text-align:center;font-weight:600}.sk-receipt{font-family:var(--sk-font-mono);font-size:var(--sk-text-sm);line-height:1.4;background:var(--sk-bg-elevated);border:1px solid var(--sk-border);border-radius:var(--sk-radius-3);padding:var(--sk-space-4);white-space:pre;overflow-x:auto;margin:0}.sk-receipt-logo{display:flex;justify-content:center;background:var(--sk-bg-elevated);border:1px solid var(--sk-border);border-radius:var(--sk-radius-3);padding:var(--sk-space-3)}.sk-receipt-logo img{max-height:80px;width:auto;filter:grayscale(1)}.sk-logo-thumb{display:inline-block;width:64px;height:64px;background:var(--sk-bg);border:1px solid var(--sk-border);border-radius:var(--sk-radius-2);overflow:hidden;vertical-align:middle}.sk-logo-thumb img{width:100%;height:100%;object-fit:contain}