:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f4f5f7;--bg-elev:#fff;--surface:#fff;--surface-2:#f7f8fa;--border:#e2e5ea;--border-strong:#cbd1da;--text:#1a1d23;--text-muted:#5a6472;--text-faint:#8a94a3;--accent:#4f46e5;--accent-hover:#4338ca;--accent-soft:#eef0fe;--accent-contrast:#fff;--success:#16a34a;--danger:#dc2626;--danger-soft:#fdecec;--radius:14px;--radius-sm:9px;--shadow:0 1px 2px #1018280a, 0 8px 24px #1018280f;--ring:0 0 0 3px color-mix(in srgb, var(--accent) 35%, transparent);--font:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0e1014;--bg-elev:#171a21;--surface:#171a21;--surface-2:#1e222b;--border:#2a2f3a;--border-strong:#3a4150;--text:#eef1f6;--text-muted:#a7b0be;--text-faint:#727d8d;--accent:#7c7bff;--accent-hover:#918fff;--accent-soft:#20223a;--accent-contrast:#0e1014;--success:#35c46a;--danger:#f26d6d;--danger-soft:#2a1c1e;--shadow:0 1px 2px #0000004d, 0 10px 30px #00000059}}*{box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;line-height:1.55}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ad-slot{max-width:970px;min-height:90px;color:var(--text-faint);justify-content:center;align-items:center;margin:0 auto;display:flex}.ad-slot:empty:before{content:""}@media (max-width:640px){.ad-slot{min-height:100px}}.app{max-width:720px;margin:0 auto;padding:clamp(16px,4vw,32px) 16px 8px}.app-header{text-align:center;margin-bottom:20px}.brand{letter-spacing:-.01em;align-items:center;gap:8px;font-weight:700;display:inline-flex}.brand-mark{background:var(--accent);width:30px;height:30px;color:var(--accent-contrast);border-radius:8px;place-items:center;font-size:18px;display:inline-grid}.brand-name{font-size:1.15rem}.headline{letter-spacing:-.02em;margin:14px 0 6px;font-size:clamp(1.4rem,4vw,1.9rem);line-height:1.2}.privacy-usp{background:var(--accent-soft);color:var(--text);border-radius:999px;align-items:center;gap:8px;margin:6px auto 0;padding:7px 14px;font-size:.92rem;display:inline-flex}.privacy-usp .lock{font-size:1rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:clamp(16px,3vw,24px)}.dropzone{text-align:center;border:2px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface-2);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:clamp(28px,7vw,52px) 20px;transition:border-color .15s,background .15s,transform 50ms;display:flex}.dropzone:hover{border-color:var(--accent)}.dropzone:focus-within{border-color:var(--accent);box-shadow:var(--ring)}.dropzone.is-dragover{border-color:var(--accent);background:var(--accent-soft)}.dropzone-icon{background:var(--accent-soft);width:52px;height:52px;color:var(--accent);border-radius:50%;place-items:center;margin-bottom:4px;font-size:1.6rem;display:grid}.dropzone-title{font-size:1.05rem}.dropzone-sub{color:var(--text-muted);font-size:.9rem}.file-summary{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);align-items:center;gap:12px;padding:12px 14px;display:flex}.file-summary-icon{font-size:1.3rem}.file-summary-text{flex-direction:column;flex:1;min-width:0;display:flex}.file-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.file-meta{color:var(--text-muted);font-size:.85rem}.link-btn{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 6px;font-weight:600}.link-btn:hover{text-decoration:underline}.config{gap:18px;margin-top:18px;display:grid}fieldset.format-fieldset{border:none;margin:0;padding:0}fieldset.format-fieldset legend{margin-bottom:10px;padding:0;font-weight:600}.format-groups{gap:12px;display:grid}.format-group{gap:6px;display:grid}.format-group-title{text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);font-size:.72rem;font-weight:700}.format-chips{flex-wrap:wrap;gap:8px;display:flex}.chip{cursor:pointer;border:1px solid var(--border-strong);color:var(--text-muted);background:var(--surface);-webkit-user-select:none;user-select:none;border-radius:999px;padding:7px 14px;font-size:.88rem;font-weight:600;transition:all .12s}.chip:hover{border-color:var(--accent);color:var(--text)}.chip:has(input:checked){background:var(--accent);border-color:var(--accent);color:var(--accent-contrast)}.chip:has(input:focus-visible){box-shadow:var(--ring)}.format-hint{color:var(--text-muted);margin:4px 0 0;font-size:.86rem}.format-hint.is-extraction{color:var(--accent);font-weight:500}.options-host{display:block}.options-grid{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px;padding:16px;display:grid}.field{align-content:start;gap:6px;display:grid}.field.is-muted{opacity:.45}.field-label{font-size:.85rem;font-weight:600}.field-hint{color:var(--text-faint);margin:2px 0 0;font-size:.78rem;line-height:1.4}.field-hint.standalone{grid-column:1/-1}.control{width:100%;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);appearance:none;padding:9px 11px;font-size:.9rem}select.control{background-image:linear-gradient(45deg, transparent 50%, var(--text-muted) 50%), linear-gradient(135deg, var(--text-muted) 50%, transparent 50%);cursor:pointer;background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-repeat:no-repeat;background-size:5px 5px,5px 5px;padding-right:30px}.control:focus-visible{border-color:var(--accent);box-shadow:var(--ring);outline:none}.control:disabled{opacity:.5;cursor:not-allowed}.slider-head{justify-content:space-between;align-items:baseline;display:flex}.slider-value{color:var(--accent);font-variant-numeric:tabular-nums;font-size:.82rem;font-weight:700}.slider{appearance:none;background:var(--border-strong);cursor:pointer;border-radius:999px;outline:none;width:100%;height:6px}.slider::-webkit-slider-thumb{appearance:none;background:var(--accent);border:2px solid var(--surface);border-radius:50%;width:18px;height:18px;box-shadow:0 1px 3px #00000040}.slider::-moz-range-thumb{background:var(--accent);border:2px solid var(--surface);border-radius:50%;width:18px;height:18px}.slider:focus-visible{box-shadow:var(--ring)}.slider-scale{color:var(--text-faint);justify-content:space-between;margin-top:-2px;font-size:.72rem;display:flex}.checkbox{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:9px;font-size:.88rem;display:flex}.checkbox input{width:17px;height:17px;accent-color:var(--accent)}.advanced{border-top:1px solid var(--border);grid-column:1/-1;padding-top:12px}.advanced summary{cursor:pointer;color:var(--text-muted);font-size:.85rem;font-weight:600;list-style-position:inside}.advanced summary:hover{color:var(--text)}.advanced-body{gap:12px;margin-top:12px;display:grid}.trim{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2)}.trim summary{cursor:pointer;align-items:center;gap:10px;padding:12px 14px;font-size:.92rem;font-weight:600;display:flex}.trim summary::-webkit-details-marker{display:none}.trim summary:before{content:"▸";color:var(--text-faint);transition:transform .15s}.trim[open] summary:before{transform:rotate(90deg)}.trim-duration{color:var(--text-faint);font-size:.82rem;font-weight:500}.trim-body{grid-template-columns:1fr 1fr;gap:12px 14px;padding:0 14px 14px;display:grid}.trim-error{color:var(--danger);grid-column:1/-1;margin:0;font-size:.82rem}.convert-row{gap:10px;display:grid}.convert-notice{color:var(--text-muted);text-align:center;margin:0;font-size:.86rem}.convert-btn{width:100%;font:inherit;color:var(--accent-contrast);background:var(--accent);border-radius:var(--radius-sm);cursor:pointer;border:none;padding:14px 20px;font-size:1rem;font-weight:700;transition:background .15s,transform 50ms}.convert-btn:hover{background:var(--accent-hover)}.convert-btn:active{transform:translateY(1px)}.convert-btn:focus-visible{box-shadow:var(--ring);outline:none}.status-host{margin-top:4px}.status-card{text-align:center;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);flex-direction:column;align-items:center;gap:12px;padding:24px 18px;display:flex}.status-title{font-size:1.05rem}.status-detail{color:var(--text-muted);margin:0;font-size:.9rem}.status-detail .dot{color:var(--text-faint)}.error-text{color:var(--danger);word-break:break-word;max-width:46ch}.spinner{border:3px solid var(--border-strong);border-top-color:var(--accent);border-radius:50%;width:34px;height:34px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.progress{background:var(--border-strong);border-radius:999px;width:100%;max-width:380px;height:9px;overflow:hidden}.progress-bar{background:var(--accent);border-radius:999px;width:0%;height:100%;transition:width .25s}.progress-bar.indeterminate{animation:1.2s ease-in-out infinite indeterminate;width:40%!important}@keyframes indeterminate{0%{margin-left:-40%}to{margin-left:100%}}.progress-meta{color:var(--text-muted);font-variant-numeric:tabular-nums;gap:14px;font-size:.86rem;display:flex}.progress-pct{color:var(--text);font-weight:700}.result-check{background:color-mix(in srgb, var(--success) 16%, transparent);width:46px;height:46px;color:var(--success);border-radius:50%;place-items:center;font-size:1.5rem;font-weight:700;display:grid}.error-mark{background:var(--danger-soft);width:46px;height:46px;color:var(--danger);border-radius:50%;place-items:center;font-size:1.5rem;font-weight:800;display:grid}.download-btn{color:var(--accent-contrast);background:var(--accent);border-radius:var(--radius-sm);align-items:center;gap:4px;padding:13px 22px;font-weight:700;text-decoration:none;transition:background .15s;display:inline-flex}.download-btn:hover{background:var(--accent-hover)}.download-btn:focus-visible{box-shadow:var(--ring);outline:none}.cancel-btn,.secondary-btn{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-sm);cursor:pointer;padding:10px 20px;font-weight:600;transition:background .15s,border-color .15s}.cancel-btn:hover,.secondary-btn:hover{border-color:var(--accent);background:var(--accent-soft)}.cancel-btn:focus-visible,.secondary-btn:focus-visible{box-shadow:var(--ring);outline:none}.seo{max-width:720px;margin:8px auto 0;padding:24px 16px}.seo h2{letter-spacing:-.01em;margin:28px 0 12px;font-size:1.25rem}.seo h2:first-child{margin-top:0}.steps{counter-reset:step;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.steps li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;position:relative}.steps li:before{counter-increment:step;content:counter(step);background:var(--accent-soft);width:26px;height:26px;color:var(--accent);border-radius:50%;place-items:center;margin-bottom:8px;font-size:.85rem;font-weight:700;display:grid}.steps li strong{margin-bottom:2px;display:block}.steps li span{color:var(--text-muted);font-size:.9rem}.faq{gap:10px;display:grid}.faq details{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);padding:4px 16px}.faq summary{cursor:pointer;padding:12px 0;font-weight:600;list-style-position:inside}.faq details[open] summary{color:var(--accent)}.faq details p{color:var(--text-muted);margin:0 0 14px;font-size:.92rem}.site-footer{text-align:center;max-width:720px;color:var(--text-muted);border-top:1px solid var(--border);margin:0 auto;padding:24px 16px 32px;font-size:.85rem}.site-footer nav{flex-wrap:wrap;justify-content:center;gap:18px;margin-bottom:8px;display:flex}.site-footer a{color:var(--text-muted);text-decoration:none}.site-footer a:hover{color:var(--accent);text-decoration:underline}@media (max-width:560px){.options-grid{grid-template-columns:1fr}.privacy-usp{font-size:.85rem}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:1.6s}.progress-bar.indeterminate{animation:none;margin-left:30%!important}*{transition-duration:.01ms!important}}