.css-easing-generator{max-width:var(--tool-container-max-width, 1600px);margin:0 auto;padding:2rem}.css-easing-generator h1{text-align:center;margin-bottom:.5rem;color:#1a1a2e}.css-easing-generator .tool-description{text-align:center;color:#666;margin-bottom:2rem}.easing-layout{display:grid;grid-template-columns:350px 1fr;gap:var(--tool-content-gap, 2rem);margin-bottom:2rem}.controls-section h3{font-size:1.15rem;font-weight:700;color:var(--gray-900);margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:2px solid var(--primary);letter-spacing:.03em}.controls-section{background:#f8f9fa;border-radius:12px;padding:1.5rem}.controls-section:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.control-group{margin-bottom:1.5rem}.control-group label{display:block;color:var(--gray-900);font-size:1rem;margin-bottom:.5rem;font-weight:600;line-height:1.5;letter-spacing:.3px}.type-buttons{display:flex;gap:.5rem}.type-buttons button{flex:1;padding:.75rem;border:2px solid #e0e0e0;background:var(--white);border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s}.type-buttons button:hover{border-color:#2196f3}.type-buttons button.active{background:#2196f3;border-color:#2196f3;color:var(--white)}.point-controls{display:flex;gap:1rem;margin-bottom:.5rem}.input-group{flex:1;display:flex;align-items:center;gap:.5rem}.input-group span{font-size:.875rem;color:#666}.input-group input{flex:1;padding:.5rem;border:1px solid #ddd;border-radius:6px;width:100%}.control-group input[type=range]{width:100%;margin-top:.25rem}.control-group select{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:8px;font-size:1rem}.presets-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem;max-height:300px;overflow-y:auto}.preset-btn{padding:.5rem;font-size:.75rem;border:1px solid #ddd;background:var(--white);border-radius:6px;cursor:pointer;transition:all .2s;text-transform:capitalize}.preset-btn:hover{background:#2196f3;border-color:#2196f3;color:var(--white)}.preview-section{display:flex;flex-direction:column;gap:1.5rem}.canvas-container{background:var(--white);border-radius:12px;padding:1rem;box-shadow:0 2px 8px #0000001a}.canvas-container canvas{width:100%;max-width:400px;height:auto;display:block;margin:0 auto}.animation-preview{background:var(--white);border:2px solid #d1d5db;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;box-shadow:0 1px 3px #0000001a}.animation-preview h3{margin:0 0 1rem;font-size:1rem;color:#333}.preview-track{background:#f9fafb;border:2px solid #d1d5db;border-radius:50px;height:60px;position:relative;margin-bottom:1rem;overflow:hidden}.preview-ball{width:50px;height:50px;background:#f9fafb;border:2px solid #d1d5db;border-radius:50%;position:absolute;top:5px;left:5px;box-shadow:0 1px 3px #0000001a}@keyframes moveRight{0%{transform:translate(0)}to{transform:translate(calc(100% - 10px))}}.play-btn{width:100%;padding:.75rem;background:#2196f3;color:var(--white);border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s}.play-btn:hover:not(:disabled){background:#1976d2}.play-btn:disabled{opacity:.6;cursor:not-allowed}.easing-value{background:var(--white);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;display:flex;align-items:center;gap:1rem}.easing-value h3{margin:0;font-size:1rem;color:#333;white-space:nowrap}.easing-value code{flex:1;background:#f5f5f5;padding:.75rem;border-radius:6px;font-family:Monaco,Consolas,monospace;font-size:.875rem;overflow-x:auto}.easing-value button{padding:.5rem 1rem;background:#4caf50;color:var(--white);border:none;border-radius:6px;cursor:pointer;white-space:nowrap}.easing-value button:hover{background:#43a047}.output-section{margin-bottom:2rem}.output-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.output-tab{background:var(--white);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a}.output-tab h3{margin:0 0 1rem;font-size:1rem;color:#333}.output-tab pre{background:#1a1a2e;color:#e0e0e0;padding:1rem;border-radius:8px;overflow-x:auto;font-size:.8rem;line-height:1.6;margin:0 0 1rem;max-height:250px}.output-tab button{width:100%;padding:.75rem;background:#2196f3;color:var(--white);border:none;border-radius:8px;font-weight:500;cursor:pointer}.output-tab button:hover{background:#1976d2}.saved-section{background:var(--white);border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #0000001a;margin-bottom:2rem}.saved-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.saved-header h3{margin:0;font-size:1.1rem;color:#333}.saved-header button{padding:.5rem 1rem;background:#4caf50;color:var(--white);border:none;border-radius:6px;cursor:pointer}.saved-header button:hover{background:#43a047}.saved-list{display:flex;flex-direction:column;gap:.5rem}.saved-item{display:flex;align-items:center;gap:1rem;padding:.75rem;background:#f8f9fa;border-radius:8px}.saved-name{flex:1;font-weight:500}.saved-type{font-size:.75rem;color:#666;background:#e0e0e0;padding:.25rem .5rem;border-radius:4px}.saved-item button{padding:.4rem .8rem;background:#2196f3;color:var(--white);border:none;border-radius:4px;cursor:pointer;font-size:.8rem}.saved-item button:hover{background:#1976d2}.saved-item .delete-btn{background:#f44336}.saved-item .delete-btn:hover{background:#d32f2f}.no-saved{text-align:center;color:#999;padding:2rem}.tips-section{background:linear-gradient(135deg,#e3f2fd,#f3e5f5);border-radius:12px;padding:1.5rem}.tips-section h3{margin:0 0 1rem;color:#333}.tips-section ul{margin:0;padding-left:1.5rem}.tips-section li{margin-bottom:.5rem;line-height:1.6;color:#555}.tips-section li strong{color:#333}.control-panel{background-color:#1f2937f2!important;border:2px solid var(--gray-400)!important;border-radius:6px}[data-theme=dark] .control-section{background-color:#1f2937e6!important;border-color:var(--gray-400)!important;border-width:2px}[data-theme=dark] .control-group input,[data-theme=dark] .control-group select,[data-theme=dark] .control-group textarea{background-color:#0f172acc!important;border:2px solid var(--gray-500)!important;color:var(--text-primary)}[data-theme=dark] .control-group label{display:block;color:var(--gray-900);font-size:1rem;margin-bottom:.5rem;font-weight:600;line-height:1.5;letter-spacing:.3px}@media (max-width: 900px){.easing-layout,.output-tabs{grid-template-columns:1fr}}@media (max-width: 600px){.css-easing-generator{padding:1rem}.presets-grid{grid-template-columns:1fr}.easing-value{flex-direction:column;align-items:stretch}.saved-item{flex-wrap:wrap}}