.compression-tool{max-width:1400px;margin:0 auto;padding:20px;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#0a0a0a;color:#fff;min-height:100vh}.compression-tool-fullscreen{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0a0a0a;z-index:9999;padding:20px}.compression-tool-header{text-align:center;margin-bottom:30px;padding:20px;border-radius:10px;box-shadow:0 4px 15px #0000004d}.compression-tool-header h1{margin:0;font-size:2.5rem;font-weight:700;background:linear-gradient(45deg,#fff,#f0f0f0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.compression-tool-content{display:grid;grid-template-columns:1fr 300px 1fr;gap:20px;height:calc(100vh - 200px)}.fullscreen-content{grid-template-columns:1fr;height:calc(100vh - 120px)}.editor-container,.output-container{background:#1a1a1a;border-radius:8px;padding:20px;box-shadow:0 4px 15px #0000004d;display:flex;flex-direction:column}.editor-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #333}.editor-header h3{margin:0;font-size:1.3rem;font-weight:600;color:#fff}.editor-controls{display:flex;gap:8px;flex-wrap:wrap}.control-btn{background:#333;color:#fff;border:none;padding:8px 12px;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .3s ease;display:flex;align-items:center;gap:5px}.control-btn:hover{background:#555;transform:translateY(-1px)}.control-btn.active{background:#667eea;box-shadow:0 2px 8px #667eea66}.sample-btn,.sample-btn:hover{background:#131313}.error-indicator{color:#ff6b6b;font-size:.9rem;font-weight:500}.operation-indicator{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:500}.operations-panel{background:#1a1a1a;border-radius:8px;padding:20px;box-shadow:0 4px 15px #0000004d;display:flex;flex-direction:column;gap:20px}.control-group h4{margin:0 0 15px;font-size:1.2rem;font-weight:600;color:#fff;text-align:center;padding-bottom:10px;border-bottom:2px solid #333}.operation-section{margin-bottom:25px;padding:15px;background:#252525;border-radius:6px;border:1px solid #333}.operation-section h5{margin:0 0 10px;font-size:1rem;font-weight:600;color:#fff;text-align:center}.operation-section .control-btn{width:100%;margin-bottom:8px;justify-content:center}.compression-editor{flex:1;background:#1a1a1a;border:1px solid #333;border-radius:6px;color:#fff;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:14px;line-height:1.5;padding:15px;resize:none;outline:none}.compression-editor:focus{border-color:#667eea;box-shadow:0 0 0 2px #667eea33}.error-message{background:#ff6b6b;color:#fff;padding:10px 15px;border-radius:6px;margin-top:10px;font-size:.9rem}.fullscreen-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:20px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:10px;box-shadow:0 4px 15px #0000004d}.fullscreen-header h1{margin:0;font-size:2rem;font-weight:700;color:#fff}.close-btn{background:#fff3;color:#fff;border:none;padding:10px 20px;border-radius:6px;cursor:pointer;font-size:1rem;transition:all .3s ease}.close-btn:hover{background:#ffffff4d}.compression-tool-footer{margin-top:40px;padding:30px;background:#1a1a1a;border-radius:10px;box-shadow:0 4px 15px #0000004d}.seo-content h2{color:#fff;font-size:2rem;margin-bottom:20px;text-align:center}.seo-content h3{color:#667eea;font-size:1.5rem;margin:30px 0 15px;border-bottom:2px solid #333;padding-bottom:10px}.seo-content h4{color:#fff;font-size:1.3rem;margin:25px 0 15px}.seo-content h5{color:#ccc;font-size:1.1rem;margin:15px 0 10px}.seo-content p{line-height:1.6;margin-bottom:15px;color:#ccc}.seo-content ul{margin:15px 0;padding-left:20px}.seo-content li{margin-bottom:8px;line-height:1.5;color:#ccc}.seo-content strong{color:#667eea;font-weight:600}.example-section{margin:25px 0;padding:20px;background:#252525;border-radius:8px;border:1px solid #333}.example-json{margin:15px 0}.unformatted-example{background:#1a1a1a;padding:15px;border-radius:6px;border:1px solid #333;margin:10px 0}.unformatted-example code{color:#fff;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9rem;line-height:1.4;word-break:break-all}@media (max-width: 1200px){.compression-tool-content{grid-template-columns:1fr 250px 1fr}}@media (max-width: 992px){.compression-tool-content{grid-template-columns:1fr;gap:15px;height:auto}.operations-panel{order:-1}.editor-controls{flex-direction:column}.control-btn{width:100%;justify-content:center}.editor-container,.output-container{min-height:300px}.compression-editor{min-height:250px}}@media (max-width: 600px){.compression-tool{padding:10px}.compression-tool-header h1{font-size:2rem}.editor-header{flex-direction:column;gap:10px;align-items:stretch}.editor-controls{justify-content:center}}