[data-theme=dark],.tools-root{--bg-base:#0d1117;--bg-surface:#161b22;--bg-elevated:#21262d;--text-primary:#f0edd4;--text-secondary:#8b949e;--text-muted:#484f58;--accent-gold:#c9a84c;--accent-navy:#1e3a5f;--accent-green:#3fb950;--accent-red:#f85149;--border:#30363d}[data-theme=light]{--bg-base:#f6f8fa;--bg-surface:#fff;--bg-elevated:#f0f2f4;--text-primary:#1c2128;--text-secondary:#57606a;--text-muted:#8c959f;--accent-gold:#9a6700;--accent-navy:#1e3a5f;--accent-green:#1a7f37;--accent-red:#cf222e;--border:#d0d7de}.tools-root{background-color:var(--bg-base);min-height:100vh;color:var(--text-primary);flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans KR,sans-serif;display:flex}.tools-topbar{z-index:50;background-color:var(--bg-surface);border-bottom:1px solid var(--border);align-items:center;gap:12px;height:52px;padding:0 16px;display:flex;position:sticky;top:0}.tools-topbar-logo{color:var(--text-primary);white-space:nowrap;flex-shrink:0;font-size:13px;font-weight:700;text-decoration:none}.tools-topbar-logo span{color:var(--accent-gold)}.tools-topbar-search{flex:1;max-width:480px;margin:0 auto;position:relative}.tools-topbar-search input{background-color:var(--bg-elevated);border:1px solid var(--border);width:100%;height:32px;color:var(--text-primary);border-radius:6px;outline:none;padding:0 12px 0 32px;font-size:13px;transition:border-color .15s}.tools-topbar-search input::placeholder{color:var(--text-muted)}.tools-topbar-search input:focus{border-color:var(--accent-gold)}.tools-topbar-search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.tools-topbar-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.tools-theme-toggle{border:1px solid var(--border);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:6px;justify-content:center;align-items:center;transition:all .15s;display:flex}.tools-theme-toggle:hover{background-color:var(--bg-elevated);color:var(--text-primary)}.tools-mobile-nav{border-bottom:1px solid var(--border);background-color:var(--bg-surface);scrollbar-width:none;gap:6px;padding:8px 16px;display:none;overflow-x:auto}.tools-mobile-nav::-webkit-scrollbar{display:none}.tools-mobile-nav-chip{border:1px solid var(--border);background-color:var(--bg-elevated);color:var(--text-secondary);white-space:nowrap;cursor:pointer;border-radius:20px;flex-shrink:0;align-items:center;gap:4px;padding:4px 10px;font-size:12px;text-decoration:none;transition:all .15s;display:inline-flex}.tools-mobile-nav-chip:hover,.tools-mobile-nav-chip.active{border-color:var(--accent-gold);color:var(--accent-gold);background-color:#c9a84c14}.tools-body{flex:1;display:flex}.tools-sidebar{background-color:var(--bg-surface);border-right:1px solid var(--border);scrollbar-width:thin;scrollbar-color:var(--border)transparent;flex-direction:column;flex-shrink:0;width:240px;height:calc(100vh - 52px);display:flex;position:sticky;top:52px;overflow-y:auto}.tools-sidebar-section{padding:16px 12px 8px}.tools-sidebar-section-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:4px;padding:0 8px;font-size:10px;font-weight:600}.tools-sidebar-nav-item{color:var(--text-secondary);cursor:pointer;border-radius:6px;align-items:center;gap:8px;padding:7px 8px;font-size:13px;text-decoration:none;transition:all .15s;display:flex}.tools-sidebar-nav-item:hover,.tools-sidebar-nav-item.active{background-color:var(--bg-elevated);color:var(--text-primary)}.tools-sidebar-nav-item .nav-icon{text-align:center;flex-shrink:0;width:18px;font-size:14px}.tools-sidebar-footer{border-top:1px solid var(--border);flex-direction:column;gap:4px;margin-top:auto;padding:12px;display:flex}.tools-sidebar-footer-link{color:var(--text-muted);border-radius:6px;align-items:center;gap:6px;padding:6px 8px;font-size:12px;text-decoration:none;transition:all .15s;display:flex}.tools-sidebar-footer-link:hover{color:var(--text-secondary);background-color:var(--bg-elevated)}.tools-main{background-color:var(--bg-base);flex:1;min-width:0}.tools-card:hover{background-color:var(--bg-elevated)!important;border-left-color:var(--accent-gold)!important}.tools-featured-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000004d;background-color:var(--bg-elevated)!important;border-color:#c9a84c66!important}.tools-sidebar-category-btn:hover{background-color:var(--bg-elevated)!important}.tools-sidebar-tool-item:hover{background-color:var(--bg-elevated)!important;color:var(--text-primary)!important}.tools-hero-search:focus{box-shadow:0 0 0 3px #c9a84c1f;border-color:var(--accent-gold)!important}.tools-hero-badge{border:1px solid var(--border);background-color:var(--bg-elevated);color:var(--text-secondary);letter-spacing:.02em;border-radius:20px;align-items:center;padding:4px 12px;font-size:11px;font-weight:600;display:inline-flex}@media (max-width:768px){.tools-sidebar{display:none}.tools-mobile-nav{display:flex}}