.stats-bar{display:flex;gap:24px;padding:12px 20px;background:linear-gradient(135deg, #667eea 0, #764ba2 100%);border-radius:16px;margin-bottom:24px;color:white}.stat-item{display:flex;align-items:center;gap:8px;font-size:0.9rem}.stat-item i{font-size:1.1rem}.category-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.cat-tab{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s;font-size:0.85rem}.cat-tab.active{background:var(--primary-color);color:white;border-color:var(--primary-color)}.cat-tab:hover:not(.active){background:var(--gray-200)}.search-bar{position:relative;margin-bottom:24px}.search-bar i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--gray-400)}.search-input{width:100%;padding:14px 16px 14px 45px;border:2px solid var(--gray-200);border-radius:50px;font-size:1rem;transition:all 0.2s}.search-input:focus{outline:none;border-color:var(--primary-color)}.clear-search{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--gray-400);cursor:pointer;font-size:1.1rem}.headers-list{display:flex;flex-direction:column;gap:12px;margin-bottom:32px;max-height:600px;overflow-y:auto}.header-card{background:var(--gray-50);border-radius:16px;padding:16px 20px;transition:all 0.2s;border:1px solid var(--gray-200);cursor:pointer}.header-card:hover{border-color:var(--primary-color);transform:translateX(4px);box-shadow:var(--shadow-sm)}.header-name{display:inline-block;background:var(--primary-color);color:white;padding:4px 12px;border-radius:20px;font-family:'Fira Code',monospace;font-size:0.85rem;margin-bottom:10px}.header-description{font-size:0.9rem;color:var(--gray-700);line-height:1.5;margin-bottom:8px}.header-example{font-family:'Fira Code',monospace;font-size:0.75rem;color:var(--gray-500);background:white;padding:6px 10px;border-radius:8px;word-break:break-all}.header-category{display:inline-block;font-size:0.7rem;color:var(--gray-400);margin-left:10px}.empty-state{text-align:center;padding:60px 20px;color:var(--gray-400)}.empty-state i{font-size:48px;margin-bottom:16px}.quick-tools{margin-top:24px}.tool-buttons{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}.tool-btn{background:var(--gray-100);border:1px solid var(--gray-200);padding:8px 20px;border-radius:40px;cursor:pointer;transition:all 0.2s;display:flex;align-items:center;gap:8px}.tool-btn:hover{background:var(--primary-color);color:white;border-color:var(--primary-color)}.code-example{margin-top:24px;background:#1a1a2e;border-radius:16px;overflow:hidden}.code-header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;background:#2d2d44;color:white}.close-code{background:transparent;border:none;color:white;cursor:pointer;font-size:1.1rem}.example-code{padding:20px;font-family:'Fira Code',monospace;font-size:0.8rem;line-height:1.6;color:#e0e0e0;margin:0;overflow-x:auto}.copy-code-btn{margin:16px;background:var(--primary-color);color:white;border:none;padding:8px 20px;border-radius:40px;cursor:pointer}@media (max-width:768px){.stats-bar{flex-wrap:wrap}.category-tabs{gap:8px}.cat-tab{padding:6px 14px;font-size:0.75rem}.header-card{padding:12px 16px}}