:root{--color-bg: #FAF8FF;--color-surface: #FFFFFF;--color-surface-alt: #F2F3FF;--color-primary: #4648D4;--color-primary-container: #6063EE;--color-on-surface: #131B2E;--color-on-surface-variant: #464554;--color-outline-variant: #C7C4D7;--color-error: #BA1A1A;--radius-sm: 12px;--radius-lg: 16px;--radius-pill: 999px}*{box-sizing:border-box}html,body{margin:0;padding:0;min-height:100%;background:var(--color-bg);color:var(--color-on-surface);font-family:Inter,system-ui,-apple-system,sans-serif}#app{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-outline-variant);padding:32px 28px;max-width:460px;width:100%;text-align:center;box-shadow:0 4px 24px #131b2e0f}h1{font-size:22px;font-weight:700;margin:0 0 8px}p{font-size:15px;line-height:1.5;color:var(--color-on-surface-variant);margin:0 0 16px}.logo{font-weight:800;font-size:15px;letter-spacing:.02em;color:var(--color-primary);margin-bottom:20px}.spinner{width:40px;height:40px;border-radius:50%;border:4px solid var(--color-surface-alt);border-top-color:var(--color-primary);animation:spin .9s linear infinite;margin:8px auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.qr-wrap{background:#fff;border-radius:var(--radius-sm);padding:16px;display:inline-block;margin:8px auto 16px;border:1px solid var(--color-outline-variant)}.code-text{font-size:28px;font-weight:700;letter-spacing:.12em;color:var(--color-on-surface);margin:4px 0 12px;font-family:Inter,monospace}.expiry{font-size:13px;color:var(--color-on-surface-variant)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-pill);padding:12px 24px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;margin-top:8px}.btn:hover{background:var(--color-primary-container)}.btn-outline{background:transparent;color:var(--color-primary);border:1.5px solid var(--color-primary)}.note{font-size:13px;color:var(--color-on-surface-variant);background:var(--color-surface-alt);border-radius:var(--radius-sm);padding:10px 14px;margin-top:12px}.error-icon{font-size:36px;margin-bottom:8px}.progress-track{width:100%;height:8px;border-radius:var(--radius-pill);background:var(--color-surface-alt);overflow:hidden;margin:6px 0 4px}.progress-fill{height:100%;background:var(--color-primary-container);border-radius:var(--radius-pill);transition:width .2s ease}.progress-fill.error{background:var(--color-error)}.overall-progress{text-align:left;margin-bottom:20px}.file-list{text-align:left;max-height:320px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;margin-bottom:8px}.file-row{border:1px solid var(--color-outline-variant);border-radius:var(--radius-sm);padding:10px 12px;background:var(--color-surface-alt)}.file-row-header{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-bottom:6px;gap:8px}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.file-status{font-size:12px;color:var(--color-on-surface-variant);flex-shrink:0}.file-status.failed{color:var(--color-error);font-weight:600}.small-text{font-size:13px}.done-count{font-size:32px;font-weight:800;color:var(--color-primary);margin:4px 0 12px}.cta-box{margin-top:20px;padding:16px;background:var(--color-surface-alt);border-radius:var(--radius-sm)}