:root{--bg-primary:#0d1117;--bg-secondary:#161b22;--border:#21262d;--border-hover:#30363d;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#484f58;--accent-blue:#00a8ff;--accent-green:#22c55e;--accent-red:#ef4444;--accent-orange:#f97316;--accent-yellow:#eab308;--accent-purple:#8b5cf6}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background:var(--bg-primary);height:100%;color:var(--text-primary);-webkit-text-size-adjust:100%;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Helvetica Neue,Arial,sans-serif;font-size:14px}#root{height:100%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-hover);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-shell{height:100vh;display:flex;overflow:hidden}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);flex-direction:column;width:200px;min-width:200px;display:flex;overflow:hidden auto}.sidebar-logo{color:var(--text-primary);border-bottom:1px solid var(--border);white-space:nowrap;align-items:center;gap:10px;padding:20px 16px 16px;font-size:16px;font-weight:700;display:flex}.nav-item{width:100%;color:var(--text-secondary);text-align:left;cursor:pointer;background:0 0;border:none;border-left:3px solid #0000;align-items:center;padding:10px 16px;font-size:13px;font-weight:500;transition:background .15s,color .15s,border-color .15s;display:flex}.nav-item:hover{color:var(--text-primary);border-left-color:var(--border-hover);background:#ffffff0a}.nav-item.active{color:var(--accent-blue);border-left-color:var(--accent-blue);background:#00a8ff14;font-weight:600}.main-content{background:var(--bg-primary);flex-direction:column;flex:1;padding:24px;display:flex;overflow:hidden auto}.page-title{color:var(--text-primary);margin-bottom:4px;font-size:22px;font-weight:700}.page-subtitle{color:var(--text-secondary);margin-bottom:24px;font-size:13px}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:10px;padding:16px;transition:border-color .15s}.card:hover{border-color:var(--border-hover)}.btn{border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;white-space:nowrap;border-radius:6px;justify-content:center;align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.btn:hover{border-color:var(--border-hover);background:#ffffff0f}.btn:active{background:#ffffff05}.btn-primary{background:var(--accent-blue);border-color:var(--accent-blue);color:#fff}.btn-primary:hover{background:#0096e6;border-color:#0096e6}.btn-danger{border-color:var(--accent-red);color:var(--accent-red);background:0 0}.btn-danger:hover{border-color:var(--accent-red);background:#ef44441a}.input,.select{background:var(--bg-primary);border:1px solid var(--border);color:var(--text-primary);border-radius:6px;outline:none;width:100%;padding:7px 10px;font-size:13px;transition:border-color .15s,box-shadow .15s}.input::placeholder{color:var(--text-muted)}.input:focus,.select:focus{border-color:var(--accent-blue);box-shadow:0 0 0 3px #00a8ff26}.select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238B949E' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:30px}.badge{text-transform:uppercase;letter-spacing:.4px;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.badge-hot{color:var(--accent-red);background:#ef444426;border:1px solid #ef444440}.badge-warm{color:var(--accent-orange);background:#f9731626;border:1px solid #f9731640}.badge-cold{color:var(--accent-blue);background:#00a8ff1f;border:1px solid #00a8ff33}.badge-a{color:var(--accent-green);background:#22c55e26;border:1px solid #22c55e40}.badge-b{color:var(--accent-blue);background:#00a8ff1f;border:1px solid #00a8ff33}.badge-c{color:var(--accent-yellow);background:#eab3081f;border:1px solid #eab30833}.badge-d{color:var(--accent-purple);background:#8b5cf61f;border:1px solid #8b5cf633}@media (width<=768px){.app-shell{flex-direction:column;height:auto;min-height:100vh;overflow:auto}.sidebar{width:100%;min-width:unset;border-right:none;border-bottom:1px solid var(--border);flex-direction:row;max-height:60px;overflow:auto hidden}.sidebar-logo{border-bottom:none;border-right:1px solid var(--border);min-width:fit-content;padding:8px 16px;font-size:14px}.sidebar nav{flex-direction:row;flex:1;display:flex;overflow:auto hidden}.nav-item{white-space:nowrap;border-bottom:3px solid #0000;border-left:none;height:60px;padding:0 14px;font-size:12px}.nav-item:hover{border-left-color:#0000;border-bottom-color:var(--border-hover)}.nav-item.active{border-left-color:#0000;border-bottom-color:var(--accent-blue)}.main-content{padding:16px 12px}.page-title{font-size:18px}}@media (width<=480px){.sidebar{max-height:50px}.sidebar-logo{display:none}.nav-item{height:50px;padding:0 10px;font-size:11px}.main-content{padding:12px 10px}.page-title{font-size:16px}.page-subtitle{font-size:12px}}.sidebar-footer{border-top:1px solid var(--border);color:var(--text-secondary);margin-top:auto;padding:16px;font-size:11px}.sidebar-stat+.sidebar-stat{margin-top:4px}.nav-badge{background:var(--accent-orange);color:#fff;border-radius:8px;margin-left:auto;padding:1px 6px;font-size:10px}@media (width<=768px){.sidebar-footer{display:none}}.table-row-hover:hover{background:#00a8ff0d}.modal-overlay{z-index:110;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:10px;width:90%;max-width:600px;max-height:80vh;padding:24px;overflow-y:auto}@media (width<=768px){.modal{width:95%;max-width:none}}.lead-detail-panel{background:var(--bg-secondary);border-left:1px solid var(--border);z-index:101;width:480px;height:100vh;position:fixed;top:0;right:0;overflow-y:auto}@media (width<=768px){.lead-detail-panel{width:100%}.main-content{overflow-x:auto}}