:root{--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-title:"Outfit", var(--font-sans);--bg-main:#fff;--bg-surface:#fff;--bg-surface-hover:#f8fafc;--border-color:#0f172a14;--border-color-hover:#ef283b4d;--color-text:#374151;--color-text-muted:#6b7280;--color-text-bright:#000;--title-grad-start:#000;--title-grad-middle:#000;--title-grad-end:#000;--primary:#ef283b;--primary-glow:#ef283b1f;--secondary:#2cc84f;--secondary-glow:#2cc84f1f;--success:#2cc84f;--success-glow:#2cc84f1f;--danger:#ef283b;--danger-glow:#ef283b1f;--warning:#d97706;--warning-glow:#d9770626;--bg-modal-card:#fff;--bg-modal-sidebar:#f8fafc;--bg-modal-btn:#f1f5f9;--bg-modal-btn-hover:#e2e8f0;--border-modal:#0f172a14;--bg-file-item:#f8fafc;--bg-file-item-hover:#f1f5f9;--border-file-item:#0f172a14;--border-file-item-hover:#ef283b40;--shadow-lg:0 10px 30px -10px #0f172a0f, 0 1px 3px #0f172a05;--shadow-glow:0 0 30px #ef283b08;--radius-lg:16px;--radius-md:10px;--radius-sm:6px;font-family:var(--font-sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background-color:var(--bg-main);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.dark-theme{--bg-main:#050811;--bg-surface:#0d142699;--bg-surface-hover:#16213ecc;--border-color:#ffffff14;--border-color-hover:#ef283b66;--color-text:#e2e8f0;--color-text-muted:#94a3b8;--color-text-bright:#fff;--title-grad-start:#fff;--title-grad-middle:#fff;--title-grad-end:#fff;--primary:#ef283b;--primary-glow:#ef283b40;--secondary:#2cc84f;--secondary-glow:#2cc84f40;--success:#2cc84f;--success-glow:#2cc84f40;--danger:#ef283b;--danger-glow:#ef283b40;--warning:#f59e0b;--warning-glow:#f59e0b33;--bg-modal-card:#141722;--bg-modal-sidebar:#0f111a;--bg-modal-btn:#ffffff0a;--bg-modal-btn-hover:#ffffff14;--border-modal:#ffffff14;--bg-file-item:#0d142666;--bg-file-item-hover:#0d142699;--border-file-item:#ffffff14;--border-file-item-hover:#ffffff26;--shadow-lg:0 20px 25px -5px #0009, 0 10px 10px -5px #0006;--shadow-glow:0 0 30px #6366f126;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-main);min-height:100vh;overflow-x:hidden}.dark-theme body{background:var(--bg-main)}body,.panel,.file-item,.format-selector-card,.btn-secondary,.category-btn,.format-btn,.nav-item,input,button{transition:background-color .3s,border-color .3s,color .3s,box-shadow .3s,transform .2s}#root{width:100%;max-width:1000px;margin:0 auto;padding:40px 20px}.app-container{flex-direction:column;gap:32px;display:flex}.header{text-align:center;margin-bottom:12px}.logo-container{align-items:center;gap:12px;margin-bottom:16px;display:inline-flex}.logo-glow{background:var(--primary);border-radius:var(--radius-md);width:48px;height:48px;box-shadow:0 4px 12px var(--primary-glow);color:#fff;justify-content:center;align-items:center;display:flex}.logo-img{object-fit:contain;width:48px;height:48px;display:block}.app-title{font-family:var(--font-title);letter-spacing:-.04em;background:linear-gradient(to right, var(--title-grad-start), var(--title-grad-middle), var(--title-grad-end));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:8px;font-size:2.8rem;font-weight:800}.app-subtitle{color:var(--color-text-muted);max-width:650px;margin:0 auto;font-size:1.1rem;line-height:1.6}.theme-toggle-btn{background:var(--bg-surface);border:1px solid var(--border-color);color:var(--color-text);cursor:pointer;box-shadow:var(--shadow-lg);z-index:100;border-radius:50%;justify-content:center;align-items:center;padding:10px;display:flex;position:absolute;top:10px;right:10px}.theme-toggle-btn:hover{border-color:var(--border-color-hover);color:var(--primary);transform:rotate(20deg)scale(1.08)}.converters-nav{flex-wrap:wrap;justify-content:center;gap:16px;width:100%;max-width:950px;margin:32px auto 0;display:flex}.nav-item{background:var(--bg-surface);border:1px solid var(--border-color);color:var(--color-text-muted);cursor:pointer;text-align:center;width:96px;height:96px;box-shadow:var(--shadow-lg);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:4px;font-size:.72rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.nav-item span{text-overflow:ellipsis;white-space:nowrap;width:100%;max-width:86px;padding:0 4px;display:block;overflow:hidden}.nav-icon-wrapper{width:32px;height:32px;color:inherit;justify-content:center;align-items:center;transition:transform .2s;display:flex}.nav-item:hover{background:var(--bg-surface-hover);border-color:var(--border-color-hover);color:var(--primary);transform:translateY(-4px)scale(1.04);box-shadow:0 10px 20px #4f46e51a}.nav-item:hover .nav-icon-wrapper{transform:scale(1.1)}.nav-item.active{border-color:var(--primary);color:var(--primary);box-shadow:0 8px 20px var(--primary-glow);background:linear-gradient(135deg,#4f46e514,#0891b214);font-weight:700;transform:translateY(-2px)}.dark-theme .nav-item.active{background:linear-gradient(135deg,#6366f126,#06b6d426);box-shadow:0 8px 25px #6366f126}.panel{background:var(--bg-surface);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg), var(--shadow-glow);padding:32px;transition:border-color .3s,box-shadow .3s}.panel:hover{border-color:#6366f126}.dropzone{border:2px dashed var(--border-color);border-radius:var(--radius-lg);text-align:center;cursor:pointer;background:#ffffff03;flex-direction:column;align-items:center;gap:16px;padding:48px 24px;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.dropzone:before{content:"";opacity:0;pointer-events:none;background:radial-gradient(circle,#6366f114 0%,#0000 70%);transition:opacity .3s;position:absolute;inset:0}.dropzone:hover{border-color:var(--primary);background:#6366f105;box-shadow:0 0 25px #6366f10d}.dropzone:hover:before{opacity:1}.dropzone.drag-active{border-color:var(--secondary);background:#06b6d40d;transform:scale(.99)}.dropzone-icon{width:64px;height:64px;color:var(--color-text-muted);transition:transform .3s,color .3s}.dropzone:hover .dropzone-icon{color:var(--primary);transform:translateY(-5px)}.dropzone-text{font-family:var(--font-title);color:var(--color-text-bright);font-size:1.4rem;font-weight:600}.dropzone-subtext{color:var(--color-text-muted);font-size:.9rem}.file-list{flex-direction:column;gap:16px;margin-top:32px;display:flex}.file-item{background:var(--bg-file-item);border:1px solid var(--border-file-item);border-radius:var(--radius-md);grid-template-columns:auto 1fr auto auto;align-items:center;gap:20px;padding:16px 20px;transition:all .3s;display:grid}.file-item:hover{border-color:var(--border-file-item-hover);background:var(--bg-file-item-hover);transform:translateY(-2px);box-shadow:0 4px 12px #0f172a08}.file-icon{width:36px;height:36px;color:var(--primary);border-radius:var(--radius-sm);background:#6366f11a;justify-content:center;align-items:center;display:flex}.file-info{flex-direction:column;gap:4px;min-width:0;display:flex}.file-name{color:var(--color-text-bright);white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}.file-size{color:var(--color-text-muted);font-size:.8rem}.file-actions{align-items:center;gap:16px;display:flex}.format-picker-btn{background:var(--bg-modal-btn);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--color-text-bright);cursor:pointer;align-items:center;gap:8px;padding:8px 14px;font-size:.9rem;font-weight:600;transition:all .2s;display:flex}.format-picker-btn:hover{background:var(--bg-modal-btn-hover);border-color:var(--primary);color:var(--primary)}.btn-remove{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex}.btn-remove:hover{color:var(--danger);background:#ef44441a}.format-selector-overlay{z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#050811d9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.format-selector-card{background:var(--bg-modal-card);border:1px solid var(--border-modal);border-radius:var(--radius-lg);width:440px;box-shadow:var(--shadow-lg);flex-direction:column;max-height:85vh;animation:.25s cubic-bezier(.34,1.56,.64,1) modalScaleUp;display:flex;overflow:hidden}@keyframes modalScaleUp{0%{opacity:0;transform:scale(.9)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.format-selector-header{border-bottom:1px solid var(--border-modal);padding:16px 20px 12px}.search-input-container{width:100%;position:relative}.search-icon{color:var(--color-text-muted);width:16px;height:16px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-input{background:var(--bg-modal-sidebar);border:1px solid var(--border-modal);border-radius:var(--radius-sm);width:100%;color:var(--color-text-bright);outline:none;padding:10px 12px 10px 36px;font-size:.9rem;transition:all .2s}.search-input:focus{background:var(--bg-modal-card);border-color:var(--primary);box-shadow:0 0 10px #6366f133}.format-selector-body{grid-template-columns:120px 1fr;height:380px;display:grid}.category-sidebar{background:var(--bg-modal-sidebar);border-right:1px solid var(--border-modal);flex-direction:column;padding:12px 0;display:flex}.category-btn{color:var(--color-text-muted);text-align:left;cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;padding:12px 16px;font-size:.9rem;font-weight:500;transition:all .2s;display:flex}.category-btn.active{color:var(--primary);background:var(--bg-modal-card);border-left:3px solid var(--primary);font-weight:600}.category-btn:hover:not(.active){color:var(--color-text-bright);background:var(--bg-modal-btn)}.formats-scroll-container{grid-template-columns:repeat(3,1fr);align-content:start;gap:8px;padding:16px;display:grid;overflow-y:auto}.formats-scroll-container::-webkit-scrollbar{width:6px}.formats-scroll-container::-webkit-scrollbar-track{background:0 0}.formats-scroll-container::-webkit-scrollbar-thumb{background:var(--border-modal);border-radius:var(--radius-sm)}.formats-scroll-container::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.format-btn{background:var(--bg-modal-btn);border:1px solid var(--border-modal);color:var(--color-text-muted);border-radius:var(--radius-sm);cursor:pointer;text-align:center;padding:10px 8px;font-size:.8rem;font-weight:600;transition:all .2s}.format-btn:hover{background:var(--bg-modal-btn-hover);color:var(--color-text-bright);border-color:var(--border-color-hover);transform:translateY(-1px)}.format-btn.selected{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px #6366f14d}.format-selector-footer{border-top:1px solid var(--border-modal);background:var(--bg-modal-sidebar);justify-content:flex-end;padding:12px 20px;display:flex}.btn-close-selector{background:var(--bg-modal-btn);border:1px solid var(--border-modal);color:var(--color-text);border-radius:var(--radius-sm);cursor:pointer;padding:8px 16px;font-size:.85rem;font-weight:500;transition:all .2s}.btn-close-selector:hover{background:var(--bg-modal-btn-hover);color:var(--color-text-bright)}.progress-bar-container{border-radius:var(--radius-sm);background:#ffffff08;grid-column:1/-1;height:6px;margin-top:8px;position:relative;overflow:hidden}.progress-bar-fill{background:linear-gradient(to right, var(--primary), var(--secondary));height:100%;transition:width .3s;position:absolute;top:0;left:0}.progress-text{color:var(--color-text-muted);grid-column:1/-1;justify-content:space-between;margin-top:4px;font-size:.75rem;display:flex}.badge{border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-waiting{color:var(--color-text-muted);background:#94a3b81a;border:1px solid #94a3b826}.badge-converting{color:#a5b4fc;background:#6366f11a;border:1px solid #6366f133;animation:2s infinite pulse;box-shadow:0 0 10px #6366f11a}.badge-success{color:#34d399;background:#10b98126;border:1px solid #10b98133;box-shadow:0 0 10px #10b9811a}.badge-error{color:#f87171;background:#ef444426;border:1px solid #ef444433}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.controls-container{border-top:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:32px;padding-top:24px;display:flex}.btn-primary{background:var(--primary);color:#fff;border-radius:var(--radius-md);cursor:pointer;box-shadow:0 4px 12px var(--primary-glow);border:none;align-items:center;gap:10px;padding:14px 28px;font-size:1rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.btn-primary:hover:not(:disabled){background:#d32233;transform:translateY(-2px);box-shadow:0 6px 16px #ef283b33}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-success{background:var(--success);color:#fff;border-radius:var(--radius-md);cursor:pointer;box-shadow:0 4px 12px var(--success-glow);border:none;align-items:center;gap:10px;padding:14px 28px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.btn-success:hover:not(:disabled){background:#25a842;transform:translateY(-2px);box-shadow:0 6px 16px #2cc84f33}.btn-success:active:not(:disabled){transform:translateY(0)}.btn-success:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-secondary{border:1px solid var(--border-color);color:var(--color-text-bright);border-radius:var(--radius-md);cursor:pointer;background:#ffffff0d;align-items:center;gap:10px;padding:14px 28px;font-size:1rem;font-weight:600;transition:all .2s;display:flex}.btn-secondary:hover:not(:disabled){background:#ffffff1a;border-color:#fff3}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.spinner{border:3px solid #ffffff4d;border-top-color:var(--color-text-bright);border-radius:50%;width:20px;height:20px;animation:1s ease-in-out infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.engine-loading-overlay{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:40px 0;display:flex}.loading-ring{border:4px solid #6366f11a;border-top-color:var(--primary);border-right-color:var(--secondary);border-radius:50%;width:50px;height:50px;animation:1.2s cubic-bezier(.5,0,.5,1) infinite spin}.app-footer{text-align:center;color:var(--color-text-muted);margin-top:40px;font-size:.85rem}.app-footer a{color:var(--primary);text-decoration:none}.app-footer a:hover{text-decoration:underline}@media (width<=768px){.file-item{grid-template-columns:auto 1fr;gap:12px}.file-actions{border-top:1px solid #ffffff0d;grid-column:1/-1;justify-content:space-between;margin-top:4px;padding-top:12px}.app-title{font-size:2.5rem}.format-selector-card{width:90vw}}
.site-logo-img{display:block;width:min(280px,70vw);max-height:64px;object-fit:contain}.logo-container{min-height:64px;justify-content:center}.logo-container .site-logo-img{filter:none}@media (width<=480px){.site-logo-img{width:min(230px,78vw);max-height:56px}.logo-container{min-height:56px}}