:root{--bg-primary: #0f1117;--bg-secondary: #161822;--bg-card: #1c1e2e;--bg-card-hover: #232538;--bg-input: #12141f;--border-default: #2a2d3e;--border-active: #4f6ef7;--border-error: #f87171;--text-primary: #e4e6f0;--text-secondary: #8b8fa8;--text-muted: #5c607a;--accent: #4f6ef7;--accent-hover: #6581ff;--accent-subtle: rgba(79, 110, 247, .12);--success: #34d399;--success-bg: rgba(52, 211, 153, .1);--error: #f87171;--error-bg: rgba(248, 113, 113, .1);--warning: #fbbf24;--warning-bg: rgba(251, 191, 36, .1);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--font-mono: "SF Mono", "Fira Code", "Cascadia Code", monospace;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--transition: .18s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}.app{display:flex;flex-direction:column;min-height:100vh;max-width:900px;margin:0 auto;padding:2rem 1.5rem}.app-header{text-align:center;margin-bottom:2.5rem}.app-header__title{font-size:2rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em;margin-bottom:.35rem}.app-header__subtitle{font-size:.95rem;color:var(--text-secondary);max-width:480px;margin:0 auto}.app-main{flex:1;display:flex;flex-direction:column}.app-footer{text-align:center;padding-top:3rem;font-size:.8rem;color:var(--text-muted)}.app-footer__dot{margin:0 .5rem}.alert{display:flex;align-items:flex-start;gap:.6rem;padding:.9rem 1.1rem;border-radius:var(--radius-md);margin-bottom:1.25rem;font-size:.9rem;line-height:1.5}.alert--error{background:var(--error-bg);border:1px solid rgba(248,113,113,.25);color:var(--error)}.alert__icon{flex-shrink:0;font-size:1.1rem;line-height:1.4}.upload-section{display:flex;flex-direction:column;gap:1.5rem}.drop-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3.5rem 2rem;border:2px dashed var(--border-default);border-radius:var(--radius-lg);background:var(--bg-secondary);cursor:pointer;transition:border-color var(--transition),background var(--transition),transform var(--transition);position:relative;min-height:220px;text-align:center;-webkit-user-select:none;user-select:none}.drop-zone:hover,.drop-zone:focus-visible{border-color:var(--text-muted);background:var(--bg-card)}.drop-zone--active{border-color:var(--accent);background:var(--accent-subtle);transform:scale(1.01)}.drop-zone--has-files{padding:1.5rem 2rem;min-height:auto}.drop-zone:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.drop-zone__icon{font-size:3rem;margin-bottom:.75rem;line-height:1}.drop-zone__title{font-size:1.15rem;font-weight:600;color:var(--text-primary);margin-bottom:.35rem}.drop-zone__subtitle{font-size:.9rem;color:var(--text-secondary);margin-bottom:.75rem}.drop-zone__input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.file-list{background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-md);overflow:hidden}.file-list__header{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.1rem;background:var(--bg-secondary);border-bottom:1px solid var(--border-default);font-size:.85rem;color:var(--text-secondary)}.file-list__count{font-weight:600;color:var(--text-primary)}.file-list__items{list-style:none;max-height:300px;overflow-y:auto}.file-list__item{display:flex;align-items:center;gap:.65rem;padding:.65rem 1.1rem;border-bottom:1px solid var(--border-default);font-size:.88rem;transition:background var(--transition)}.file-list__item:last-child{border-bottom:none}.file-list__item:hover{background:var(--bg-card-hover)}.file-list__item-icon{font-size:1.05rem;flex-shrink:0}.file-list__item-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-list__item-size{color:var(--text-muted);font-size:.8rem;flex-shrink:0}.file-list__item-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.95rem;padding:.25rem .4rem;border-radius:var(--radius-sm);line-height:1;transition:color var(--transition),background var(--transition);flex-shrink:0}.file-list__item-remove:hover:not(:disabled){color:var(--error);background:var(--error-bg)}.file-list__item-remove:disabled{opacity:.4;cursor:not-allowed}.upload-cta{text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;border-radius:var(--radius-md);font-family:inherit;font-size:.92rem;font-weight:600;cursor:pointer;padding:.7rem 1.5rem;transition:background var(--transition),transform var(--transition),box-shadow var(--transition);line-height:1.4}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--primary{background:var(--accent);color:#fff}.btn--primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:var(--shadow-md)}.btn--primary:active:not(:disabled){transform:scale(.98)}.btn--secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-default)}.btn--secondary:hover:not(:disabled){background:var(--bg-card-hover);border-color:var(--text-muted)}.btn--large{padding:.85rem 2rem;font-size:1rem;border-radius:var(--radius-md)}.processing{display:flex;flex-direction:column;gap:1.5rem}.processing__title{font-size:1.25rem;font-weight:600;text-align:center;margin-bottom:.25rem}.progress{text-align:center}.progress__track{width:100%;height:8px;background:var(--border-default);border-radius:var(--radius-full);overflow:hidden;margin-bottom:.6rem}.progress__fill{height:100%;background:linear-gradient(90deg,var(--accent),#7c8dff);border-radius:var(--radius-full);transition:width .4s ease;min-width:0}.progress__label{font-size:.88rem;color:var(--text-secondary);font-weight:500}.processing__current{display:flex;align-items:center;gap:.5rem;justify-content:center;font-size:.9rem;padding:.65rem 1rem;background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-md)}.processing__current-label{color:var(--text-secondary)}.processing__current-name{color:var(--accent);font-weight:500;font-family:var(--font-mono);font-size:.82rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:320px}.processing__stats{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.processing__stat{font-size:.88rem;font-weight:500}.processing__stat--done{color:var(--success)}.processing__stat--error{color:var(--error)}.processing__stat--pending{color:var(--text-muted)}.file-status-list{list-style:none;background:var(--bg-card);border:1px solid var(--border-default);border-radius:var(--radius-md);overflow:hidden;max-height:400px;overflow-y:auto}.file-status{display:flex;align-items:center;gap:.6rem;padding:.55rem 1rem;border-bottom:1px solid var(--border-default);font-size:.85rem}.file-status:last-child{border-bottom:none}.file-status--done{background:var(--success-bg)}.file-status--error{background:var(--error-bg)}.file-status--processing{background:var(--accent-subtle)}.file-status__icon{font-size:.95rem;flex-shrink:0;line-height:1}.file-status__name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-status__error{color:var(--error);font-size:.8rem;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.results{display:flex;flex-direction:column;align-items:center;gap:1.5rem;text-align:center}.results__hero{font-size:3.5rem;line-height:1}.results__title{font-size:1.35rem;font-weight:600}.results__summary{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}.summary-card{display:flex;flex-direction:column;align-items:center;padding:1.25rem 2rem;border-radius:var(--radius-md);border:1px solid var(--border-default);background:var(--bg-card);min-width:140px}.summary-card--done{border-color:#34d3994d}.summary-card--error{border-color:#f871714d}.summary-card__value{font-size:2rem;font-weight:700;color:var(--text-primary);line-height:1.2}.summary-card--done .summary-card__value{color:var(--success)}.summary-card--error .summary-card__value{color:var(--error)}.summary-card__label{font-size:.82rem;color:var(--text-secondary);margin-top:.2rem}.results__file-list{width:100%;text-align:left}.results__file-list-title{font-size:.85rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.result-file{display:flex;align-items:center;gap:.5rem;padding:.6rem .9rem;border-radius:var(--radius-sm);font-size:.84rem;margin-bottom:.35rem;background:var(--bg-card);border:1px solid var(--border-default)}.result-file--done{border-color:#34d39940;background:var(--success-bg)}.result-file--error{border-color:#f8717140;background:var(--error-bg)}.result-file__icon{font-size:.95rem;flex-shrink:0;line-height:1}.result-file__name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.result-file__error{color:var(--error);font-size:.78rem;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.result-file__download{flex-shrink:0;white-space:nowrap}.btn--small{padding:.35rem .8rem;font-size:.8rem;border-radius:var(--radius-sm)}.results__errors{width:100%;text-align:left}.results__errors-title{font-size:.85rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.error-item{display:flex;align-items:center;gap:.5rem;padding:.55rem .9rem;background:var(--error-bg);border:1px solid rgba(248,113,113,.2);border-radius:var(--radius-sm);font-size:.84rem;margin-bottom:.4rem}.error-item__icon{flex-shrink:0}.error-item__name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.error-item__reason{color:var(--error);font-size:.8rem;max-width:250px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.results__actions{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media(max-width:640px){.app{padding:1.25rem 1rem}.app-header__title{font-size:1.5rem}.drop-zone{padding:2.5rem 1.25rem;min-height:180px}.drop-zone__icon{font-size:2.25rem}.drop-zone__title{font-size:1rem}.results__hero{font-size:2.5rem}.results__actions{flex-direction:column;width:100%}.btn--large{width:100%}.processing__current-name{max-width:180px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:0s!important;animation-duration:0s!important}}@media print{body{background:#fff;color:#000}}