.tool-header{text-align:center;margin-bottom:40px}.header-badge{display:flex;justify-content:center;gap:12px;margin-bottom:24px;flex-wrap:wrap}.badge{background:linear-gradient(135deg, #667eea, #764ba2);color:white;padding:6px 18px;border-radius:40px;font-size:0.75rem;font-weight:500;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.tool-header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px}.tool-header p{color:var(--gray-500);font-size:1rem}.gradient-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;justify-content:center}.gradient-cat{background:var(--gray-100);border:none;padding:8px 20px;border-radius:40px;font-size:0.85rem;font-weight:500;cursor:pointer;transition:all 0.3s;color:var(--gray-600)}.gradient-cat:hover{background:var(--gray-200);transform:translateY(-2px)}.gradient-cat.active{background:linear-gradient(135deg, #667eea, #764ba2);color:white;box-shadow:0 4px 12px rgba(102,126,234,0.3)}.gradient-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));gap:20px;margin-bottom:32px}.gradient-card{background:white;border-radius:20px;overflow:hidden;box-shadow:0 4px 15px rgba(0,0,0,0.05);transition:all 0.3s;cursor:pointer;border:1px solid var(--gray-200)}.gradient-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(0,0,0,0.1)}.gradient-preview{height:140px;position:relative}.gradient-preview::after{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:inherit;border-radius:16px 16px 0 0}.gradient-info{padding:14px 16px;background:white}.gradient-name{font-weight:600;color:var(--gray-800);margin-bottom:8px;font-size:0.9rem}.gradient-code{font-family:'Monaco',monospace;font-size:0.7rem;color:var(--gray-500);background:var(--gray-50);padding:6px 10px;border-radius:10px;word-break:break-all;white-space:nowrap;overflow-x:auto}.copy-badge{display:inline-block;margin-top:8px;font-size:0.65rem;color:var(--primary-color)}.custom-panel{background:white;border-radius:28px;padding:24px;margin-bottom:32px;border:1px solid var(--gray-200);box-shadow:0 8px 25px rgba(0,0,0,0.05);animation:fadeIn 0.3s ease}.custom-header{text-align:center;margin-bottom:24px}.custom-header h3{font-size:1.3rem;margin-bottom:8px;background:linear-gradient(135deg, #667eea, #764ba2);-webkit-background-clip:text;background-clip:text;color:transparent}.custom-header p{font-size:0.85rem;color:var(--gray-500)}.custom-controls{display:grid;grid-template-columns:1fr 1fr 1.5fr;gap:24px;margin-bottom:24px}.control-group label{display:block;font-size:0.75rem;font-weight:600;color:var(--gray-500);margin-bottom:12px;text-transform:uppercase;letter-spacing:0.5px}.type-buttons{display:flex;gap:12px}.type-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;font-size:0.8rem;cursor:pointer;transition:all 0.2s}.type-btn.active{background:linear-gradient(135deg, #667eea, #764ba2);color:white;border-color:transparent}.angle-control{display:flex;flex-direction:column;gap:12px}.angle-control input{width:100%}#angleValue{text-align:center;font-weight:600;color:var(--primary-color)}.angle-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.angle-preset{background:var(--gray-100);border:none;padding:4px 12px;border-radius:20px;font-size:0.7rem;cursor:pointer;transition:all 0.2s}.angle-preset:hover{background:var(--primary-color);color:white}.color-stops{display:flex;flex-direction:column;gap:12px;margin-bottom:12px;max-height:200px;overflow-y:auto;padding-right:8px}.color-stop{display:flex;align-items:center;gap:12px;background:var(--gray-50);padding:8px 12px;border-radius:12px}.stop-color{width:48px;height:40px;border:2px solid white;border-radius:12px;cursor:pointer;box-shadow:0 2px 5px rgba(0,0,0,0.1)}.stop-position{flex:1}.position-value{min-width:40px;font-size:0.7rem;font-family:monospace}.remove-stop{background:transparent;border:none;cursor:pointer;color:var(--gray-400);padding:4px 8px;border-radius:8px}.remove-stop:hover{background:#fee2e2;color:#ef4444}.add-stop-btn{background:var(--gray-100);border:1px dashed var(--gray-300);padding:8px 16px;border-radius:40px;width:100%;cursor:pointer;font-size:0.8rem;transition:all 0.2s}.add-stop-btn:hover{background:var(--gray-200);border-color:var(--primary-color)}.custom-preview{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:16px}.preview-box{height:200px;border-radius:20px;background:linear-gradient(135deg, #667eea 0, #764ba2 100%);box-shadow:0 8px 20px rgba(0,0,0,0.1)}.code-box{background:#1e1e2e;border-radius:16px;overflow:hidden}.code-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#2d2d44;color:#e0e0e0;font-size:0.8rem}.copy-code-btn{background:rgba(255,255,255,0.1);border:none;padding:4px 12px;border-radius:20px;color:#e0e0e0;cursor:pointer;font-size:0.7rem}.copy-code-btn:hover{background:var(--primary-color)}.css-code{padding:16px;font-family:'Monaco',monospace;font-size:0.75rem;color:#a0a0c0;margin:0;white-space:pre-wrap;word-break:break-word;line-height:1.5}.info-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;padding:16px}.info-item{display:flex;align-items:center;gap:10px;font-size:0.85rem;color:var(--gray-600)}.info-item i{width:28px;height:28px;background:var(--gray-100);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--primary-color);font-size:0.8rem}.toast-copied{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg, #10b981, #059669);color:white;padding:10px 24px;border-radius:50px;font-size:0.85rem;z-index:1000;animation:fadeInUp 0.3s ease}@keyframes fadeInUp{from{opacity:0;transform:translateX(-50%) translateY(20px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}@media (max-width:900px){.custom-controls{grid-template-columns:1fr;gap:20px}.custom-preview{grid-template-columns:1fr}.info-grid{grid-template-columns:repeat(2, 1fr)}.gradient-grid{grid-template-columns:repeat(auto-fill, minmax(240px, 1fr))}}@media (max-width:480px){.info-grid{grid-template-columns:1fr}.color-stop{flex-wrap:wrap}}