:root{--bg: #f3f4f6;--surface: #ffffff;--surface-2: #f9fafb;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--primary: #2563eb;--primary-text: #ffffff;--danger: #dc2626;--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);color-scheme:light}:root[data-theme=dark]{--bg: #0b1220;--surface: #111827;--surface-2: #1f2937;--text: #f3f4f6;--muted: #9ca3af;--border: #374151;--primary: #3b82f6;--primary-text: #ffffff;--danger: #ef4444;--shadow: 0 1px 3px rgba(0, 0, 0, .4);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent}.app{max-width:640px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:12px;padding:14px 16px;padding-top:calc(14px + env(safe-area-inset-top));background:var(--primary);color:var(--primary-text)}.topbar h1{font-size:18px;margin:0;flex:1;font-weight:600}.topbar button,.iconbtn{background:transparent;border:none;color:inherit;font-size:20px;cursor:pointer;padding:6px;border-radius:8px;line-height:1}.topbar .back{font-size:22px}.content{flex:1;padding:16px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.card-tile{background:var(--surface);border-radius:14px;padding:14px;box-shadow:var(--shadow);cursor:pointer;display:flex;flex-direction:column;gap:10px;border:none;text-align:left;color:var(--text);border-top:4px solid var(--tile-accent, var(--primary))}.card-tile .logo{width:48px;height:48px;border-radius:10px;object-fit:cover;background:var(--surface-2)}.card-tile .logo.placeholder{display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:18px}.card-tile .name{font-weight:600;font-size:15px}.card-tile .fmt{font-size:12px;color:var(--muted)}.empty{text-align:center;color:var(--muted);margin-top:15vh}.empty p{margin:8px 0}.fab{position:fixed;right:max(16px,calc(50% - 304px));bottom:calc(20px + env(safe-area-inset-bottom));width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;border:none;font-size:28px;box-shadow:0 4px 12px #00000040;cursor:pointer;z-index:20}.field{margin-bottom:16px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}.field input,.field select,.field textarea{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);font-size:16px}.field textarea{min-height:70px;resize:vertical}.row{display:flex;gap:10px}.row>*{flex:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);font-size:15px;font-weight:500;cursor:pointer;width:100%}.btn.primary{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}.btn.danger{color:var(--danger);border-color:var(--danger)}.btn-row{display:flex;gap:10px;flex-wrap:wrap}.btn-row .btn{width:auto;flex:1}.logo-suggest{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.logo-suggest button{display:flex;align-items:center;gap:6px;padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text);cursor:pointer;font-size:13px}.logo-suggest img{width:22px;height:22px;border-radius:5px}.chosen-logo{display:flex;align-items:center;gap:10px;margin-top:8px}.chosen-logo img{width:40px;height:40px;border-radius:8px}.barcode-card{background:#fff;border-radius:16px;padding:20px;text-align:center;box-shadow:var(--shadow)}.barcode-card canvas{max-width:100%;height:auto}.barcode-value{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#111;margin-top:10px;word-break:break-all}.detail-header{display:flex;align-items:center;gap:12px;margin-bottom:16px}.detail-header img,.detail-header .placeholder{width:56px;height:56px;border-radius:12px}.detail-header .placeholder{display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:22px}.detail-header h2{margin:0;font-size:20px}.detail-photos{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.detail-photos img{width:100%;border-radius:10px}.note-box{background:var(--surface);border-radius:10px;padding:12px;margin-top:16px;white-space:pre-wrap}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000e6;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px}.overlay video{width:100%;max-width:480px;border-radius:12px;background:#000}.overlay .hint{color:#fff;margin:16px 0;text-align:center}.overlay .close{position:absolute;top:calc(16px + env(safe-area-inset-top));right:16px;color:#fff;font-size:28px;background:transparent;border:none;cursor:pointer}.brightness-mode{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff;z-index:60;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px}.brightness-mode canvas{max-width:100%;height:auto}.brightness-mode .store{color:#111;font-weight:600;font-size:18px}.brightness-mode .code{color:#111;font-family:ui-monospace,monospace}.brightness-mode .exit{margin-top:12px;padding:10px 20px;border-radius:999px;border:1px solid #ccc;background:#f3f4f6;color:#111;font-size:15px}.settings-section{background:var(--surface);border-radius:12px;padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}.settings-section h3{margin:0 0 12px;font-size:15px}.settings-section p.hint{font-size:13px;color:var(--muted);margin:6px 0 12px}.toast{position:fixed;bottom:calc(80px + env(safe-area-inset-bottom));left:50%;transform:translate(-50%);background:#111827;color:#fff;padding:10px 18px;border-radius:999px;z-index:100;font-size:14px;box-shadow:0 4px 12px #0000004d}.segmented{display:flex;border:1px solid var(--border);border-radius:10px;overflow:hidden}.segmented button{flex:1;padding:10px;border:none;background:var(--surface);color:var(--text);cursor:pointer;font-size:14px}.segmented button.active{background:var(--primary);color:#fff}