:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--bg: #f4f4f6;--fg: #16181d;--card: #ffffff;--muted: #888;--border: #e2e3e8;--accent: #2f6bff;--danger: #c23b3b}@media (prefers-color-scheme: dark){:root{--bg: #16181d;--fg: #f0f0f2;--card: #24262d;--muted: #9a9aa2;--border: #33353d}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}h1{font-size:20px;margin:8px 0 16px}h2{font-size:19px;margin:4px 0 12px}b{font-weight:700}.wrap{max-width:560px;margin:0 auto;padding:14px}.tag{font-size:12px;background:#ffe08a;color:#5a4300;padding:2px 8px;border-radius:999px;vertical-align:middle}.app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.content{flex:1;padding-bottom:72px}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--card);border-bottom:1px solid var(--border)}.topbar-store{flex:1;min-width:0}.topbar-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}.topbar-name{font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-code{font-size:12px;color:var(--muted)}.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:10;display:flex;background:var(--card);border-top:1px solid var(--border)}.tab{flex:1;border:none;background:none;color:var(--muted);padding:10px 6px calc(10px + env(safe-area-inset-bottom));font-size:12px;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;position:relative}.tab.active{color:var(--accent);font-weight:700}.tab-emoji{font-size:20px}.tab-badge{position:absolute;top:4px;left:54%;background:var(--accent);color:#fff;font-size:11px;font-weight:700;min-width:18px;height:18px;border-radius:999px;padding:0 5px;display:inline-flex;align-items:center;justify-content:center}.card{background:var(--card);border-radius:14px;padding:14px;margin-bottom:14px;box-shadow:0 1px 3px #0000000f}@media (prefers-color-scheme: dark){.card{box-shadow:none;border:1px solid var(--border)}}.btn{padding:12px 14px;font-size:15px;border:1px solid var(--border);background:var(--bg);color:inherit;border-radius:10px;cursor:pointer}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn.small{padding:8px 12px;font-size:14px;white-space:nowrap}.btn:disabled{opacity:.5}.btn.add-btn.added{background:#1a9c54;border-color:#1a9c54}.btn.danger{color:var(--danger);border-color:var(--danger);background:none}.link-btn{background:none;border:none;color:var(--accent);font-size:15px;cursor:pointer}.chips{display:flex;gap:8px;margin-top:12px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.chip{flex:0 0 auto;padding:7px 14px;border-radius:999px;border:1px solid var(--border);background:var(--bg);color:inherit;font-size:14px;white-space:nowrap;cursor:pointer}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.results-note{margin:0 4px 10px}.row{display:flex;gap:8px}.row input,.search-input{flex:1;padding:12px;font-size:16px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:inherit;width:100%}.field-label,.screen-head{display:block}.field-label{font-size:13px;margin-bottom:8px;color:var(--muted)}.reader{width:100%;min-height:220px;border-radius:10px;overflow:hidden;margin-bottom:12px;background:#000;display:flex;align-items:center;justify-content:center}.reader video{width:100%;display:block}.reader-hint{color:#888;font-size:14px;padding:20px;text-align:center}.cam-error{background:#fdecec;border:1px solid #e5a1a1;border-radius:12px;padding:14px;margin-bottom:12px}@media (prefers-color-scheme: dark){.cam-error{background:#3a1f1f;border-color:#7a3a3a}}.cam-error-title{font-size:15px;font-weight:700;color:var(--danger);margin-bottom:6px}.cam-error-body{font-size:15px;line-height:1.45}.cam-list{margin-top:10px;display:flex;flex-direction:column;gap:8px}.cam-item{text-align:left}.screen-head{display:flex;align-items:center;justify-content:space-between}.search-input{margin-bottom:8px}.store-count{margin:2px 2px 10px}.store-list{display:flex;flex-direction:column;gap:8px}.store-item{text-align:left;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:12px 14px;cursor:pointer}.store-item.current{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}.store-name{font-size:16px;font-weight:600}.store-meta{font-size:13px;color:var(--muted);margin-top:3px}.code{font-variant-numeric:tabular-nums}.scan-echo{font-size:14px;color:var(--muted);margin:2px 4px 10px}.scan-echo b{color:var(--fg);font-variant-numeric:tabular-nums}.pname{font-size:16px;font-weight:600;line-height:1.3}.pmeta{font-size:13px;color:var(--muted);margin-top:4px}.pupc{font-size:12px;color:var(--muted);margin-top:3px}.dot{margin:0 6px}.notfound{font-size:17px;font-weight:600;color:var(--danger)}.product-actions{display:flex;align-items:center;gap:10px;margin-top:12px}.add-btn{margin-left:auto}.have-badge{font-size:13px;color:#1a9c54;font-weight:700}.order-bar{display:flex;align-items:center;justify-content:space-between;margin:4px 4px 12px;gap:10px}.order-summary{font-size:15px}.export-bar{margin:0 0 14px}.export-bar .btn{width:100%}.export-msg{font-size:13px;color:var(--muted);margin-top:8px;text-align:center;word-break:break-all}.order-item-controls{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.stepper{display:flex;align-items:center;gap:10px}.step-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:inherit;font-size:22px;line-height:1;cursor:pointer}.step-qty{font-size:20px;font-weight:700;min-width:34px;text-align:center;font-variant-numeric:tabular-nums}.step-rule{font-size:12px;color:var(--muted)}.del-btn{background:none;border:none;color:var(--danger);font-size:14px;cursor:pointer;padding:6px 4px}.empty{text-align:center;padding:60px 20px;color:var(--muted)}.empty-emoji{font-size:44px;margin-bottom:10px}.error{color:var(--danger);font-size:14px}.muted{color:var(--muted)}.small{font-size:13px}