:root{--primary-color: #667eea;--secondary-color: #764ba2;--text-primary-color: #333;--text-secondary-color: #666;--text-light: white;--background-color: #f8f9fa;--border-color: #e1e5e9;--active-color: #667eea;--card-shadow: rgba(0, 0, 0, .1);--close-btn-hover-bg: #e1e5e9}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);min-height:100vh;color:var(--text-primary-color)}.container{max-width:1200px;margin:0 auto;padding:20px}.header{text-align:center;margin-bottom:40px;color:var(--text-light)}.header h1{font-size:2.5rem;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.header p{font-size:1.2rem;opacity:.9}.controls{background:var(--background-color);padding:20px;border-radius:15px;box-shadow:0 10px 30px var(--card-shadow);margin-bottom:30px;display:flex;gap:20px;align-items:center;flex-wrap:wrap}.search-box{flex:1;min-width:250px}.search-box input{width:100%;padding:12px 20px;background-color:var(--background-color);border:2px solid var(--border-color);border-radius:25px;font-size:16px;transition:all .3s ease}.search-box input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 10px #667eea33}.view-toggle{display:flex;background:var(--background-color);border-radius:10px;padding:4px}.view-btn{padding:8px 16px;border:none;background:transparent;border-radius:6px;cursor:pointer;transition:all .3s ease;font-size:14px}.view-btn.active{background:var(--primary-color);color:var(--text-light)}.category-filter{display:flex;gap:10px;flex-wrap:wrap}.category-btn{padding:8px 16px;border:2px solid var(--primary-color);background:transparent;color:var(--primary-color);border-radius:20px;cursor:pointer;transition:all .3s ease;font-size:14px}.category-btn.active,.category-btn:hover{background:var(--primary-color);color:var(--text-light)}.tools-container{display:grid;gap:20px;transition:all .3s ease}.tools-container.grid-view{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.tools-container.list-view{grid-template-columns:1fr}.tool-card{background:var(--background-color);border-radius:15px;padding:25px;box-shadow:0 5px 20px var(--card-shadow);transition:all .3s ease;cursor:pointer;border:2px solid transparent;text-decoration:none;color:inherit;display:block}.tool-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #0003;border-color:var(--primary-color);text-decoration:none}.tool-card.clickable{position:relative}.tool-card.clickable:after{content:"🔗";position:absolute;top:15px;right:15px;font-size:16px;opacity:0;transition:opacity .3s ease}.tool-card.clickable:hover:after{opacity:.6}.list-view .tool-card{display:flex;align-items:center;gap:20px;padding:20px}.tool-icon{width:60px;height:60px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--text-light);margin-bottom:15px;flex-shrink:0}.list-view .tool-icon{margin-bottom:0}.tool-content{flex:1}.tool-name{font-size:1.3rem;font-weight:600;margin-bottom:8px;color:var(--text-primary-color)}.tool-description{color:var(--text-secondary-color);line-height:1.5;margin-bottom:12px}.tool-category{display:inline-block;background:var(--background-color);color:var(--primary-color);padding:4px 12px;border-radius:12px;font-size:12px;font-weight:500}.no-results{text-align:center;color:var(--text-light);font-size:1.2rem;margin-top:50px}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:none;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-overlay.open{display:flex}.modal-content{background:var(--background-color);border-radius:15px;width:95%;height:95%;max-width:1200px;position:relative;box-shadow:0 20px 60px #0000004d;overflow:hidden}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border-color);background:var(--modal-header-background)}.modal-title{font-size:1.2rem;font-weight:600;color:var(--text-primary-color)}.close-btn{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-secondary-color);padding:5px;border-radius:5px;transition:all .3s ease}.close-btn:hover{background:var(--close-btn-hover-bg);color:var(--text-primary-color)}.modal-iframe{width:100%;height:calc(100% - 80px);border:none;border-radius:0 0 15px 15px}@media (max-width: 768px){.controls{flex-direction:column;align-items:stretch}.view-toggle,.category-filter{justify-content:center}.header h1{font-size:2rem}.tools-container.grid-view{grid-template-columns:1fr}.modal-content{width:95%;height:95%}}