.tool-page{max-width:800px;margin:0 auto;padding:2rem}.tool-header{text-align:center;margin-bottom:2rem}.tool-header h1{font-size:2.5rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(135deg,#7c3aed,#818cf8);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.tool-description{color:#94a3b8;font-size:1.1rem}.color-picker{gap:24px;padding:24px;background:rgba(15,23,42,.6);backdrop-filter:blur(10px);border-radius:16px;border:1px solid rgba(124,58,237,.1)}.color-picker,.picker-section{display:flex;flex-direction:column}.picker-section{gap:32px}.color-input{display:flex;gap:24px;align-items:center;padding:24px;background:rgba(30,41,59,.4);border:1px solid rgba(124,58,237,.2);border-radius:12px}.color-wheel{width:150px;height:150px;border:none;border-radius:50%;background:none;cursor:pointer;transition:transform .3s ease}.color-wheel::-webkit-color-swatch-wrapper{padding:0}.color-wheel::-webkit-color-swatch{border:4px solid rgba(124,58,237,.3);border-radius:50%}.color-formats{flex:1;display:flex;flex-direction:column;gap:16px}.format-select{padding:12px;border:1px solid rgba(124,58,237,.3);border-radius:8px;font-size:1rem}.color-value,.format-select{background:rgba(15,23,42,.6);color:#f8fafc;cursor:pointer}.color-value{position:relative;padding:16px;border:1px solid rgba(124,58,237,.2);border-radius:12px;font-family:monospace}.copied-tooltip{position:absolute;right:16px;background:rgba(124,58,237,.9);color:white;padding:4px 8px;border-radius:4px;font-size:.85rem}.save-btn{padding:12px 24px;background:linear-gradient(135deg,#7c3aed,#6d28d9);border:none;border-radius:12px;color:white;font-weight:500;cursor:pointer}.color-palette,.saved-colors{padding:24px;background:rgba(30,41,59,.4);border:1px solid rgba(124,58,237,.2);border-radius:12px}.palette-grid,.saved-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:16px;margin-top:16px}.palette-color,.saved-color{position:relative;height:80px;border-radius:12px;cursor:pointer;transition:transform .3s ease}.color-tooltip{position:absolute;bottom:-30px;left:50%;transform:translateX(-50%);background:rgba(15,23,42,.9);color:#f8fafc;padding:4px 8px;border-radius:4px;font-size:.85rem;opacity:0;transition:opacity .3s}.palette-color:hover .color-tooltip,.saved-color:hover .color-tooltip{opacity:1}.tool-articles{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:48px}.tool-article{padding:24px;background:rgba(30,41,59,.4);border:1px solid rgba(124,58,237,.2);border-radius:12px}.color-tips{margin-top:48px}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px;margin-top:24px}.tip-card{padding:20px;background:rgba(15,23,42,.6);border-radius:8px;border:1px solid rgba(124,58,237,.2)}.tip-card h3{color:#f8fafc;margin-bottom:12px}.tip-card p{color:#94a3b8;line-height:1.6}@media (max-width:768px){.color-input{flex-direction:column;align-items:center}.color-formats{width:100%}.tips-grid{grid-template-columns:1fr}}