.shadow-tool{max-width:1100px;margin:0 auto}.shadow-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;margin-bottom:24px}.shadow-left{display:flex;flex-direction:column;gap:20px;padding:24px;background-color:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg)}.shadow-right{position:relative}.shadow-sticky{position:sticky;top:80px;display:flex;flex-direction:column;gap:16px}.shadow-preview-area{width:100%;height:320px;border-radius:var(--radius-xl);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;transition:background-color .15s ease}.shadow-box{width:160px;height:160px;border-radius:12px;transition:box-shadow .15s ease,background-color .15s ease,border-radius .15s ease}.control-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.layer-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.layer-header label{margin-bottom:0}.layers-list{display:flex;flex-direction:column;gap:12px}.layer-card{padding:16px;background-color:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}.layer-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:.85rem;font-weight:600}.layer-remove{width:24px;height:24px;border:none;border-radius:var(--radius);background-color:var(--error-bg);color:var(--error);font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.layer-remove:hover{background-color:var(--error);color:#fff}.layer-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;margin-bottom:12px}.slider-row{display:flex;align-items:center;gap:8px}.slider-label{font-size:.8rem;color:var(--text-secondary);min-width:60px}.slider-row input[type=range]{flex:1;-webkit-appearance:none;height:4px;border-radius:2px;background:var(--bg-tertiary);outline:none;padding:0}.slider-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--primary);cursor:pointer}.slider-row input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--primary);cursor:pointer;border:none}.slider-val{font-size:.75rem;color:var(--text-secondary);min-width:35px;text-align:right}.layer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px}.color-row{display:flex;align-items:center;gap:8px}.layer-color{width:36px!important;height:32px;padding:2px!important;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.layer-color-text{width:160px!important;font-family:Courier New,monospace;font-size:.8rem!important;padding:6px 10px!important}.inset-toggle{display:flex;align-items:center;gap:6px;font-size:.85rem;cursor:pointer}.box-controls{display:flex;gap:20px;flex-wrap:wrap}.box-control-item{display:flex;align-items:center;gap:8px}.box-control-item span{font-size:.8rem;color:var(--text-secondary)}.box-control-item input[type=color]{width:36px!important;height:32px;padding:2px!important;border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.box-control-item input[type=range]{width:100px;-webkit-appearance:none;height:4px;border-radius:2px;background:var(--bg-tertiary);outline:none;padding:0}.box-control-item input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--primary);cursor:pointer}.btn-sm{padding:6px 14px;font-size:.85rem}.presets-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.preset-card{cursor:pointer;text-align:center}.preset-box{width:100%;height:48px;background-color:#fff;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:4px;transition:transform .15s ease}.preset-card:hover .preset-box{transform:translateY(-2px)}.preset-name{font-size:.7rem;color:var(--text-secondary)}.css-output{padding:20px;background-color:#1e293b;border-radius:var(--radius-lg)}.output-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.output-header h3{color:#e2e8f0;font-size:1rem}.css-output pre{background-color:#0f172a;border-radius:var(--radius);padding:14px;overflow-x:auto}.css-output code{color:#7dd3fc;font-family:Courier New,monospace;font-size:.85rem;line-height:1.6;white-space:pre-wrap;word-break:break-all}.faq-section{max-width:800px;margin:0 auto;padding:48px 0}.faq-section h2{font-size:1.75rem;margin-bottom:28px}.faq-item{margin-bottom:24px}.faq-item h3{font-size:1.1rem;margin-bottom:8px}.faq-item p{color:var(--text-secondary);line-height:1.7}.faq-item code{font-family:Courier New,monospace;background-color:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-size:.9rem}@media (max-width: 900px){.shadow-split{grid-template-columns:1fr}.shadow-sticky{position:static}.shadow-preview-area{height:220px}}@media (max-width: 768px){.layer-controls{grid-template-columns:1fr}.presets-grid{grid-template-columns:repeat(3,1fr)}.box-controls{flex-direction:column;gap:12px}}