.tool-header{text-align:center;margin-bottom:32px}.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:2rem;font-weight:800;background:linear-gradient(135deg, #1e293b, #667eea);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:8px}.tool-header p{color:var(--gray-500);font-size:0.95rem}.color-hero{background:linear-gradient(135deg, #3b82f6, #1e40af);border-radius:32px;padding:40px;margin-bottom:32px;text-align:center;transition:background-color .3s ease;box-shadow:0 20px 35px -10px rgba(0,0,0,0.2)}.color-hero-content{margin-bottom:24px}.color-hero-value{font-size:2.5rem;font-weight:800;color:white;letter-spacing:2px;margin-bottom:8px;text-shadow:0 2px 4px rgba(0,0,0,0.2)}.color-hero-rgb,.color-hero-hsl{font-size:0.9rem;color:rgba(255,255,255,0.8);margin-top:4px}.color-hero-actions{display:flex;justify-content:center;gap:16px}.hero-btn{background:rgba(255,255,255,0.2);backdrop-filter:blur(10px);border:none;padding:10px 24px;border-radius:40px;color:white;font-size:0.85rem;cursor:pointer;transition:all 0.3s;display:inline-flex;align-items:center;gap:8px}.hero-btn:hover{background:rgba(255,255,255,0.3);transform:translateY(-2px)}.color-reference-container{display:grid;grid-template-columns:380px 1fr;gap:24px;margin-bottom:32px}.color-picker-section{background:white;border-radius:24px;padding:20px;border:1px solid var(--gray-200);box-shadow:0 4px 15px rgba(0,0,0,0.03)}.section-header{display:flex;align-items:center;gap:10px;margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--gray-200);font-weight:600;color:var(--gray-700)}.section-tip{margin-left:auto;font-size:0.65rem;font-weight:normal;color:var(--gray-400)}.color-preview-wrapper{display:flex;gap:16px;align-items:center;margin-bottom:24px}.color-preview{width:80px;height:80px;border-radius:20px;box-shadow:0 4px 12px rgba(0,0,0,0.1);border:2px solid white;transition:background-color .2s}.color-input{width:60px;height:60px;border:2px solid var(--gray-200);border-radius:16px;cursor:pointer;padding:4px}.color-values{display:grid;grid-template-columns:repeat(2, 1fr);gap:16px;margin-bottom:24px}.value-group label{display:block;font-size:0.7rem;color:var(--gray-500);margin-bottom:6px}.value-input-wrapper{display:flex;align-items:center;background:var(--gray-50);border-radius:12px;border:1px solid var(--gray-200);overflow:hidden}.value-prefix{padding:0 8px;color:var(--gray-500);font-size:0.85rem}.value-input{flex:1;border:none;padding:10px 0;font-family:monospace;font-size:0.85rem;background:transparent}.value-input:focus{outline:none}.copy-value{background:transparent;border:none;padding:8px 12px;cursor:pointer;color:var(--gray-400);transition:all 0.2s}.copy-value:hover{color:var(--primary-color)}.rgb-sliders{margin-top:16px}.slider-group{margin-bottom:16px;display:flex;align-items:center;gap:12px}.slider-label{width:50px;font-weight:600;font-size:0.85rem}.slider{flex:1;height:6px;border-radius:3px;-webkit-appearance:none}.slider.red{background:linear-gradient(90deg, #000, #f00)}.slider.green{background:linear-gradient(90deg, #000, #0f0)}.slider.blue{background:linear-gradient(90deg, #000, #00f)}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:white;border:2px solid #666;cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,0.2)}.color-library-section{display:flex;flex-direction:column;gap:24px}.color-library,.color-schemes,.color-history{background:white;border-radius:24px;padding:20px;border:1px solid var(--gray-200)}.color-grid{display:grid;grid-template-columns:repeat(8, 1fr);gap:8px;margin-top:16px}.color-item{aspect-ratio:1;border-radius:12px;cursor:pointer;transition:all 0.2s;border:1px solid var(--gray-200)}.color-item:hover{transform:scale(1.05);box-shadow:0 4px 12px rgba(0,0,0,0.15)}.scheme-buttons{margin-left:auto;display:flex;gap:8px}.scheme-tab{background:transparent;border:none;padding:4px 12px;border-radius:30px;font-size:0.7rem;cursor:pointer;color:var(--gray-500);transition:all 0.2s}.scheme-tab.active{background:var(--primary-color);color:white}.scheme-colors{display:flex;gap:16px;margin-top:16px;flex-wrap:wrap}.scheme-color{flex:1;min-width:60px;height:80px;border-radius:16px;cursor:pointer;transition:all 0.2s;position:relative}.scheme-color:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,0.15)}.scheme-color-value{position:absolute;bottom:8px;left:0;right:0;text-align:center;font-size:0.6rem;color:rgba(255,255,255,0.9);text-shadow:0 1px 1px rgba(0,0,0,0.3)}.history-colors{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.history-item{width:50px;height:50px;border-radius:12px;cursor:pointer;transition:all 0.2s;border:2px solid white;box-shadow:0 2px 8px rgba(0,0,0,0.1)}.history-item:hover{transform:scale(1.1)}.clear-btn{margin-left:auto;background:transparent;border:none;font-size:0.7rem;color:var(--gray-500);cursor:pointer;display:flex;align-items:center;gap:4px}.clear-btn:hover{color:#ef4444}.color-code-examples{margin-top:16px}.code-examples-grid{display:grid;grid-template-columns:repeat(4, 1fr);gap:16px;margin-top:16px}.code-card{background:#1a1a2e;border-radius:16px;padding:16px;transition:all 0.2s}.code-card-header{color:#a0a0c0;font-size:0.7rem;margin-bottom:12px}.code-block{display:block;font-family:monospace;font-size:0.7rem;color:#4ade80;background:rgba(0,0,0,0.3);padding:8px;border-radius:8px;margin-bottom:12px;word-break:break-all}.copy-code{background:rgba(255,255,255,0.1);border:none;padding:6px 12px;border-radius:30px;color:#e0e0e0;font-size:0.65rem;cursor:pointer;transition:all 0.2s}.copy-code:hover{background:var(--primary-color);color:white}.ad-section{margin:32px 0}.ad-banner{background:linear-gradient(135deg, #f5f5f5, #fff);border:1px solid var(--gray-200);border-radius:20px;padding:24px;text-align:center;position:relative}.ad-label{position:absolute;top:8px;right:12px;font-size:0.6rem;color:var(--gray-400)}@media (max-width:900px){.color-reference-container{grid-template-columns:1fr}.code-examples-grid{grid-template-columns:repeat(2, 1fr)}.color-grid{grid-template-columns:repeat(6, 1fr)}.color-hero{padding:24px}.color-hero-value{font-size:1.6rem}}@media (max-width:600px){.code-examples-grid{grid-template-columns:1fr}.color-grid{grid-template-columns:repeat(4, 1fr)}.color-values{grid-template-columns:1fr}.color-hero-actions{flex-direction:column}.scheme-colors{flex-direction:column}.scheme-color{height:50px}}