*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden;background:#f8fafc}#root{width:100vw;height:100vh;overflow:hidden}.app{display:flex;flex-direction:column;height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px 30px;box-shadow:0 4px 12px #00000026;position:relative;z-index:10}.header-content{max-width:1400px;margin:0 auto}.app-title{font-size:28px;font-weight:700;margin:0;display:flex;align-items:center;gap:12px;text-shadow:0 2px 4px rgba(0,0,0,.2)}.title-icon{font-size:32px;animation:pulse 2s ease-in-out infinite}.title-badge{font-size:12px;padding:4px 10px;background:#ffffff40;border-radius:12px;font-weight:600;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.app-subtitle{margin:8px 0 0 44px;font-size:14px;opacity:.95;font-weight:400}.controls-container{display:flex;justify-content:space-between;align-items:center;padding:16px 30px;background:#fff;border-bottom:1px solid #e5e7eb;box-shadow:0 2px 8px #0000000d;flex-wrap:wrap;gap:16px;z-index:5;position:relative}.controls-left,.controls-right{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.control-group{display:flex;flex-direction:column;gap:4px}.control-group label{font-size:12px;font-weight:600;color:#6b7280;text-transform:uppercase;letter-spacing:.5px}.control-select{padding:8px 12px;border:2px solid #e5e7eb;border-radius:8px;background:#fff;color:#374151;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;min-width:150px}.control-select:hover{border-color:#667eea}.control-select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.btn{padding:8px 16px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap;box-shadow:0 2px 4px #0000000d}.btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px #0000001a}.btn:active{transform:translateY(0)}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-secondary{background:#f3f4f6;color:#374151}.btn-secondary:hover{background:#e5e7eb}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626}.divider{width:1px;height:24px;background:#e5e7eb}.app-main{flex:1;overflow:hidden;padding:0;background:#f8fafc;position:relative}.monaco-diff-container{width:100%;height:100%;overflow:hidden;background:#fff}.app-footer{background:#fff;border-top:1px solid #e5e7eb;padding:12px 30px;box-shadow:0 -2px 8px #0000000d;z-index:5}.footer-content{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:#6b7280;flex-wrap:wrap;gap:20px}.footer-content span{display:flex;align-items:center;gap:6px}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes slideInRight{0%{transform:translate(400px);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOutRight{0%{transform:translate(0);opacity:1}to{transform:translate(400px);opacity:0}}@media (max-width: 768px){.app-header{padding:15px 20px}.app-title{font-size:22px}.app-subtitle{font-size:12px}.controls-container{padding:12px 20px}.controls-left,.controls-right{width:100%;justify-content:flex-start}.footer-content{flex-direction:column;align-items:flex-start;gap:8px}}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:#f1f5f9;border-radius:5px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}::selection{background:#667eea4d;color:inherit}::-moz-selection{background:#667eea4d;color:inherit}