.header-bar{width:100%;background:#0b1218;border-bottom:2px solid #2d3a46;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.3)}.header-title{font-size:1.3rem;font-weight:700;color:#48b5b5;letter-spacing:.5px;display:flex;align-items:center;gap:10px}.header-title span{font-size:1.5rem}.tools-dropdown{position:relative}.tools-btn{background:#1e293b;border:2px solid #3b4e6b;padding:8px 18px;border-radius:30px;font-weight:700;font-size:.85rem;cursor:pointer;color:#b9c7d9;font-family:monospace;transition:.2s;display:flex;align-items:center;gap:8px}.tools-btn:hover{background:#2d3e44;border-color:#48b5b5;color:#fff}.tools-btn .arrow{font-size:.65rem;transition:.2s}.tools-btn.open .arrow{transform:rotate(180deg)}.dropdown-menu{position:absolute;top:110%;right:0;background:#0f172a;border:2px solid #334155;border-radius:12px;min-width:200px;box-shadow:0 8px 20px rgba(0,0,0,.5);z-index:100;display:none;overflow:hidden}.dropdown-menu.show{display:block;animation:.15s fadeIn}@keyframes fadeIn{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.dropdown-menu a{display:flex;align-items:center;gap:10px;padding:10px 16px;color:#cbd5e6;text-decoration:none;font-size:.8rem;font-family:monospace;transition:.15s;border-bottom:1px solid #1e293b}.dropdown-menu a:last-child{border-bottom:none}.dropdown-menu a:hover{background:#1e293b;color:#48b5b5}.dropdown-menu a .tool-icon{font-size:1rem;width:22px;text-align:center}