:root{--color-bg: #f4f6fa;--color-surface: #ffffff;--color-border: #d7dde8;--color-text: #1a2233;--color-text-secondary: #51607a;--color-primary: #1d4ed8;--color-primary-hover: #1e40af;--color-primary-soft: #e8eefc;--color-danger: #b91c1c;--color-danger-soft: #fdecec;--color-warning: #92600a;--color-warning-soft: #fdf3e0;--color-success: #15703b;--color-success-soft: #e5f6ec;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-card: 0 1px 3px rgba(20, 30, 55, .08), 0 4px 16px rgba(20, 30, 55, .06);--font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", -apple-system, "Segoe UI", system-ui, sans-serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font-family);background:var(--color-bg);color:var(--color-text);line-height:1.6;font-size:16px}:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px;border-radius:4px}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.app-header{background:linear-gradient(135deg,#16295c,#1d4ed8);color:#fff;padding:28px 20px 32px;text-align:center}.app-header h1{margin:0 0 8px;font-size:1.6rem;letter-spacing:.02em}.app-header p{margin:0 auto;max-width:640px;color:#dbe5ff;font-size:.95rem}.app-main{max-width:1180px;margin:0 auto;padding:20px 16px 48px;display:flex;flex-direction:column;gap:20px}@media(min-width:960px){.app-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:24px;align-items:start}.preview-column{position:sticky;top:16px;display:flex;flex-direction:column;gap:20px}}.form-column,.preview-column{display:flex;flex-direction:column;gap:20px;min-width:0}.panel{background:var(--color-surface);border:1px solid 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textarea:focus{border-color:var(--color-primary)}.field input[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:var(--color-danger);background:#fff8f8}.field-error{color:var(--color-danger);font-size:.85rem;margin:0}.field-warning{color:var(--color-warning);font-size:.85rem;margin:0}.field-help{color:var(--color-text-secondary);font-size:.82rem;margin:0}.char-count{color:var(--color-text-secondary);font-size:.78rem;text-align:right}.color-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.color-field input[type=color]{width:100%;height:42px;padding:2px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:#fff;cursor:pointer}.image-field-preview{display:flex;align-items:center;gap:12px}.image-field-preview img{max-width:96px;max-height:96px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:repeating-conic-gradient(#eef1f6,#eef1f6 25%,#fff 0%,#fff 50%) 0 0 / 16px 16px;padding:4px}.btn{font:inherit;font-weight:600;padding:10px 18px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;transition:background-color .15s ease,border-color .15s ease}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-primary);border-color:var(--color-primary)}.btn-secondary:hover:not(:disabled){background:var(--color-primary-soft)}.btn-ghost{background:transparent;color:var(--color-text-secondary);border-color:var(--color-border)}.btn-ghost:hover:not(:disabled){background:var(--color-bg)}.btn-danger{background:transparent;color:var(--color-danger);border-color:var(--color-danger)}.btn-danger:hover:not(:disabled){background:var(--color-danger-soft)}.btn.is-success{background:var(--color-success);border-color:var(--color-success);color:#fff}.btn-row{display:flex;flex-wrap:wrap;gap:10px}.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:currentColor;border-radius:50%;animation:spin .8s linear infinite}.btn-secondary .spinner,.btn-ghost .spinner{border-color:#1d4ed840;border-top-color:var(--color-primary)}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.spinner{animation-duration:2s}}.wallet-buttons{display:flex;flex-direction:column;gap:12px}.wallet-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:24px;min-height:48px;padding:8px 22px;font:inherit;font-weight:600;font-size:1rem;cursor:pointer;border:1px solid transparent;width:100%}.wallet-btn:disabled{opacity:.5;cursor:not-allowed}.wallet-btn-apple,.wallet-btn-google{background:#000;color:#fff}.wallet-note{font-size:.82rem;color:var(--color-text-secondary);margin:0}.barcode-stage{background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:16px;display:flex;justify-content:center;align-items:center;min-height:140px;overflow-x:auto}.barcode-stage canvas{max-width:100%;height:auto}.barcode-placeholder{color:var(--color-text-secondary);font-size:.92rem;text-align:center;margin:0}.pass-preview{border-radius:var(--radius-lg);padding:18px 18px 20px;box-shadow:var(--shadow-card);overflow:hidden}.pass-preview-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}.pass-preview-header img{height:32px;max-width:120px;object-fit:contain}.pass-preview-issuer{font-size:.9rem;font-weight:600;overflow-wrap:anywhere}.pass-preview-title{font-size:1.3rem;font-weight:700;margin:0 0 2px;overflow-wrap:anywhere}.pass-preview-subtitle{font-size:.92rem;margin:0 0 12px;overflow-wrap:anywhere}.pass-preview-fields{display:flex;flex-wrap:wrap;gap:12px 20px;margin-bottom:14px}.pass-preview-field .pass-label{display:block;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}.pass-preview-field .pass-value{font-size:.95rem;font-weight:600;overflow-wrap:anywhere}.pass-preview-barcode{background:#fff;border-radius:var(--radius-sm);padding:10px;display:flex;flex-direction:column;align-items:center;gap:6px}.pass-preview-barcode canvas{max-width:100%;height:auto}.pass-preview-alt{color:#333;font-size:.85rem;margin:0;overflow-wrap:anywhere}.preview-tabs{display:flex;gap:8px;margin-bottom:14px}.preview-tab{font:inherit;font-size:.88rem;padding:6px 14px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer}.preview-tab[aria-pressed=true]{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.alert{border-radius:var(--radius-md);padding:12px 14px;font-size:.92rem;margin:0}.alert-error{background:var(--color-danger-soft);color:var(--color-danger);border:1px solid #f3c6c6}.alert-warning{background:var(--color-warning-soft);color:var(--color-warning);border:1px solid #ecd9ae}.alert-success{background:var(--color-success-soft);color:var(--color-success);border:1px solid #bde5cc}.alert-info{background:var(--color-primary-soft);color:#1e3a8a;border:1px solid #c3d4f7}.saved-cards-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.category-chip{font:inherit;font-size:.85rem;padding:5px 14px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer}.category-chip[aria-pressed=true]{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.saved-card-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.saved-card-item{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:12px 14px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:space-between}.saved-card-info{min-width:0}.saved-card-info strong{display:block;overflow-wrap:anywhere}.saved-card-meta{color:var(--color-text-secondary);font-size:.8rem}.saved-card-actions{display:flex;gap:8px;flex-wrap:wrap}.saved-card-actions .btn{min-height:36px;padding:6px 12px;font-size:.88rem}.save-card-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}.save-card-row .field{flex:1 1 180px}.privacy-summary{font-size:.88rem;color:var(--color-text-secondary)}.privacy-details ul{margin:8px 0;padding-left:20px}.privacy-details li{margin-bottom:4px;font-size:.9rem}.app-footer{text-align:center;color:var(--color-text-secondary);font-size:.82rem;padding:0 16px 32px}details.collapsible>summary{cursor:pointer;font-weight:600;padding:4px 0}