:root{--bg-color:#121212;--text-color:#fff;--primary-color:#f36;--primary-hover:#ff1a53;--secondary-bg:#1e1e1e;--border-color:#333;--panel-bg:#1e1e1ef2;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-color);flex-direction:column;min-height:100vh;margin:0;padding:0;display:flex}*{box-sizing:border-box}.app-container{flex-direction:column;height:100vh;display:flex}.header{background-color:var(--secondary-bg);border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.header h1{align-items:center;gap:.5rem;margin:0;font-size:1.5rem;font-weight:700;display:flex}.main-content{flex:1;display:flex;position:relative;overflow:hidden}.drop-zone{border:2px dashed var(--border-color);cursor:pointer;background-color:#ffffff05;border-radius:12px;flex-direction:column;flex:1;justify-content:center;align-items:center;margin:2rem;transition:all .2s;display:flex}.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary-color);background-color:#ff33660d}.drop-zone-icon{width:64px;height:64px;color:var(--primary-color);margin-bottom:1rem}.drop-zone-text{margin-bottom:.5rem;font-size:1.25rem}.drop-zone-subtext{color:#888;font-size:.9rem}.file-input{display:none}.workspace{flex:1;width:100%;height:100%;display:flex}.image-preview-area{background:#222 repeating-conic-gradient(#333 0% 25%,#0000 0% 50%) 50%/20px 20px;flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.sidebar{background-color:var(--panel-bg);border-left:1px solid var(--border-color);flex-direction:column;width:350px;display:flex;overflow-y:auto}.settings-panel{flex-direction:column;gap:1.5rem;padding:1.5rem;display:flex}.settings-group{flex-direction:column;gap:.5rem;display:flex}.settings-group label{color:#ccc;font-size:.9rem;font-weight:600}select,input[type=range],button.btn{background-color:var(--bg-color);border:1px solid var(--border-color);color:#fff;border-radius:6px;width:100%;padding:.75rem;font-size:1rem}select:focus{border-color:var(--primary-color);outline:none}input[type=range]{cursor:pointer;padding:0}.quality-value{text-align:right;color:#aaa;font-size:.9rem}.btn{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;transition:background-color .2s;display:flex}.btn:hover{background-color:var(--primary-hover)}.btn.secondary{border:1px solid var(--border-color);background-color:#0000}.btn.secondary:hover{background-color:#ffffff0d}.stats{border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);background-color:#0003;padding:1rem 1.5rem}.stat-row{justify-content:space-between;margin-bottom:.5rem;display:flex}.stat-label{color:#888}.stat-value{font-weight:700}.stat-reduction{color:#4ade80;font-weight:700}.stat-increase{color:#f87171;font-weight:700}.loading-overlay{z-index:10;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#00000080;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.spinner{border:4px solid #ffffff1a;border-left-color:var(--primary-color);box-sizing:border-box;border-radius:50%;flex-shrink:0;width:40px;height:40px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.batch-list{flex:1;padding:1rem;transition:all .2s;overflow-y:auto}.batch-list.dragover{border:2px dashed var(--primary-color);background-color:#ff33660d}.hamburger{color:#fff;cursor:pointer;background:0 0;border:none;padding:.5rem;display:none}@media (width<=768px){.hamburger{display:block}.sidebar{z-index:100;height:100%;transition:transform .3s;position:absolute;top:0;right:0;transform:translate(100%);box-shadow:-4px 0 12px #00000080}.sidebar.open{transform:translate(0)}.overlay{z-index:99;background:#00000080;display:none;position:absolute;inset:0}.overlay.open{display:block}}.batch-item{background-color:var(--secondary-bg);border-radius:6px;justify-content:space-between;align-items:center;margin-bottom:.5rem;padding:.75rem;display:flex}.batch-item-info{flex-direction:column;gap:.25rem;display:flex}.batch-item-name{white-space:nowrap;text-overflow:ellipsis;max-width:180px;font-size:.9rem;font-weight:600;overflow:hidden}.batch-item-size{color:#888;font-size:.8rem}.tabs{border-bottom:1px solid var(--border-color);display:flex}.tab{text-align:center;cursor:pointer;color:#888;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:1rem;font-weight:600}.tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.tab:hover:not(.active){color:#ccc}.custom-slider{-webkit-user-select:none;user-select:none;line-height:0;display:inline-block;position:relative}.custom-slider.sliding{cursor:ew-resize}.custom-slider img{width:auto;max-width:100vw;height:auto;max-height:85vh;display:block}.compressed-wrapper{will-change:clip-path;pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}.compressed-wrapper img{object-fit:fill;width:100%;height:100%}.slider-handle{cursor:ew-resize;z-index:10;justify-content:center;align-items:center;width:0;display:flex;position:absolute;top:0;bottom:0;transform:translate(-50%)}.slider-line{background-color:var(--primary-color);width:2px;position:absolute;top:0;bottom:0}.slider-button{background-color:var(--primary-color);color:#fff;z-index:11;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:transform .1s;display:flex;box-shadow:0 2px 6px #0000004d}.slider-handle:hover .slider-button,.custom-slider.sliding .slider-button{transform:scale(1.15)}.zoom-wrapper{justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.zoom-target{transform-origin:50%;will-change:transform;justify-content:center;align-items:center;transition:transform 50ms ease-out;display:flex}.view-controls{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;border-radius:20px;gap:1rem;padding:.5rem;display:flex;position:absolute;bottom:1rem;left:50%;transform:translate(-50%)}.view-label{color:#fff;text-transform:uppercase;letter-spacing:1px;font-size:.8rem;font-weight:600}.ad-sidebar-left{background-color:var(--secondary-bg);border-right:1px solid var(--border-color);color:#888;text-align:center;flex-direction:column;justify-content:center;align-items:center;width:160px;padding:1rem;font-size:.8rem;display:none}.ad-banner-top{background-color:var(--secondary-bg);border-bottom:1px solid var(--border-color);color:#888;text-align:center;flex-shrink:0;justify-content:center;align-items:center;width:100%;height:60px;min-height:60px;font-size:.8rem;display:none}.ad-banner-small{border:1px dashed var(--border-color);color:#888;text-align:center;background-color:#ffffff0d;border-radius:6px;justify-content:center;align-items:center;width:100%;height:50px;margin-bottom:1rem;font-size:.8rem;display:flex}.ad-placeholder-text{opacity:.5}@media (width>=1024px){.ad-sidebar-left{display:flex}}@media (width<=1023px){.ad-banner-top{display:flex}}.legal-page{background-color:var(--bg-color);flex:1;justify-content:center;padding:2rem;display:flex;overflow-y:auto}.legal-content{background-color:var(--secondary-bg);border:1px solid var(--border-color);border-radius:12px;width:100%;max-width:800px;padding:2rem 3rem;line-height:1.6}.legal-content h1{color:var(--primary-color);border-bottom:1px solid var(--border-color);margin-top:0;padding-bottom:1rem}.legal-content h2{margin-top:2rem;font-size:1.25rem}.legal-content a{color:var(--primary-color)}.legal-content a:hover{color:var(--primary-hover)}