:root{--bg-primary:#f8fafc;--bg-surface:#fff;--bg-surface-variant:#f1f5f9;--bg-elevated:#fff;--primary:#0284c7;--on-primary:#fff;--primary-container:#e0f2fe;--on-primary-container:#0369a1;--secondary:#475569;--secondary-container:#f1f5f9;--on-secondary-container:#0f172a;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border-color:#94a3b840;--tree-line-color:#38bdf8;--error:#ef4444;--radius-sm:6px;--radius-md:10px;--radius-lg:18px;--radius-pill:9999px;--shadow-sm:0 1px 4px #0f172a0a;--shadow-md:0 4px 14px #0f172a14;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-smooth:.25s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-primary:#0b0f19;--bg-surface:#151d2a;--bg-surface-variant:#1e293b;--bg-elevated:#1a2332;--primary:#38bdf8;--on-primary:#032845;--primary-container:#075985;--on-primary-container:#e0f2fe;--secondary:#94a3b8;--secondary-container:#1e293b;--on-secondary-container:#f8fafc;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#64748b;--border-color:#ffffff1f;--tree-line-color:#38bdf880;--error:#f87171;--shadow-sm:0 2px 8px #00000059;--shadow-md:0 8px 30px #0000008c}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;transition:background-color var(--transition-smooth), color var(--transition-smooth);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}.brand-logo{transition:filter var(--transition-smooth)}[data-theme=dark] .brand-logo{filter:brightness(0)invert()drop-shadow(0 0 2px #fff6)}.theme-toggle-btn{border-radius:var(--radius-pill);background-color:var(--bg-surface-variant);border:1px solid var(--border-color);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none;align-items:center;gap:8px;padding:5px 12px 5px 6px;font-size:12px;font-weight:600;display:inline-flex}.theme-toggle-btn:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.theme-toggle-icon-box{background-color:var(--bg-surface);width:26px;height:26px;transition:transform var(--transition-fast);border-radius:50%;justify-content:center;align-items:center;display:flex;box-shadow:0 1px 3px #00000026}.theme-toggle-btn:hover .theme-toggle-icon-box{transform:scale(1.08)}.theme-toggle-label{letter-spacing:-.01em}.tree-container{-webkit-user-select:none;user-select:none;padding-left:8px}.tree-branch{margin-top:6px;margin-bottom:6px;padding-left:24px;position:relative}.tree-branch:before{content:"";background-color:var(--tree-line-color);opacity:.7;width:1px;position:absolute;top:-6px;bottom:12px;left:8px}.tree-branch:last-child:before{height:20px;bottom:auto}.tree-branch:after{content:"";background-color:var(--tree-line-color);opacity:.7;width:14px;height:1px;position:absolute;top:14px;left:8px}.tree-node-row-container{align-items:center;gap:8px;display:flex}.tree-hover-action{opacity:0;visibility:hidden;transition:opacity var(--transition-fast), visibility var(--transition-fast)}.tree-node-row-container:hover .tree-hover-action{opacity:1;visibility:visible}.tree-node-row{border-radius:var(--radius-sm);cursor:pointer;transition:background-color var(--transition-fast);align-items:center;gap:8px;padding:4px 10px;display:inline-flex}.tree-node-row:hover{background-color:var(--bg-surface-variant)}.tree-node-company-row .tree-node-text{transition:font-weight var(--transition-fast), color var(--transition-fast);font-weight:500}.tree-node-company-row:hover .tree-node-text{color:var(--primary)!important;font-weight:800!important}.tree-square-icon{border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:flex;box-shadow:0 1px 3px #0000001f}.tree-node-text{color:var(--text-primary);letter-spacing:-.01em;font-size:14px;font-weight:600}.m3-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:background-color var(--transition-smooth), border-color var(--transition-smooth);padding:24px}.m3-btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;text-decoration:none;display:inline-flex}.m3-btn-primary{background-color:var(--primary);color:var(--on-primary)}.m3-btn-primary:hover{filter:brightness(1.08);box-shadow:0 2px 8px #38bdf84d}.m3-btn-outlined{color:var(--primary);border:1px solid var(--border-color);background-color:#0000}.m3-btn-outlined:hover{background-color:var(--primary-container);color:var(--on-primary-container);border-color:var(--primary)}.m3-input-group{flex-direction:column;gap:6px;width:100%;display:flex}.m3-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700}.m3-input,.m3-select{border-radius:var(--radius-md);border:1px solid var(--border-color);background-color:var(--bg-surface-variant);width:100%;color:var(--text-primary);transition:border-color var(--transition-fast);outline:none;padding:10px 14px;font-size:14px}.m3-input:focus,.m3-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #38bdf826}.m3-pill{border-radius:var(--radius-pill);align-items:center;gap:4px;padding:4px 12px;font-size:11px;font-weight:700;display:inline-flex}.m3-pill-primary{background-color:var(--primary-container);color:var(--on-primary-container)}.m3-header{z-index:50;background-color:var(--bg-surface);border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:background-color var(--transition-smooth), border-color var(--transition-smooth);position:sticky;top:0}.container{max-width:1100px;margin:0 auto;padding:0 20px}