:root{--bg: #0f1117;--bg2: #161b22;--bg3: #1c2128;--border: #30363d;--border2: #21262d;--text: #e6edf3;--text2: #8b949e;--blue: #1d9bf0;--blue-dark: #1882cc;--green: #3fb950;--red: #f85149;--yellow: #d29922;--purple: #a371f7;--radius: 8px;--shadow: 0 2px 12px rgba(0,0,0,.4)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}.app{display:flex;min-height:100vh}.sidebar{width:220px;min-height:100vh;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px 16px;border-bottom:1px solid var(--border)}.logo-title{font-weight:700;font-size:15px;color:var(--text)}.logo-sub{font-size:11px;color:var(--text2)}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}.nav-btn{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius);border:none;background:transparent;color:var(--text2);cursor:pointer;width:100%;text-align:left;font-size:14px;transition:background .15s,color .15s}.nav-btn:hover{background:var(--bg3);color:var(--text)}.nav-btn.active{background:var(--blue);color:#fff}.nav-icon{font-size:16px;width:20px;text-align:center}.sidebar-footer{padding:12px;border-top:1px solid var(--border)}.add-btn{width:100%;padding:9px;border-radius:var(--radius);background:var(--blue);color:#fff;border:none;cursor:pointer;font-size:14px;font-weight:600;transition:background .15s}.add-btn:hover{background:var(--blue-dark)}.main{margin-left:220px;flex:1;padding:24px;min-height:100vh}.toast{position:fixed;top:16px;right:16px;padding:10px 18px;border-radius:var(--radius);font-size:13px;z-index:999;box-shadow:var(--shadow);animation:fadeIn .2s ease}.toast-success{background:var(--green);color:#000}.toast-error{background:var(--red);color:#fff}.toast-info{background:var(--blue);color:#fff}@keyframes fadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}.loading-bar{position:fixed;top:0;left:220px;right:0;height:2px;background:linear-gradient(to right,var(--blue),var(--purple));animation:loadBar 1s ease-in-out infinite}@keyframes loadBar{0%,to{opacity:.3}50%{opacity:1}}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-title{font-size:20px;font-weight:700}.page-sub{color:var(--text2);font-size:13px;margin-top:2px}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:20px}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.stat-value{font-size:28px;font-weight:700}.stat-label{font-size:12px;color:var(--text2);margin-top:4px}.stat-green{color:var(--green)}.stat-red{color:var(--red)}.stat-yellow{color:var(--yellow)}.stat-blue{color:var(--blue)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border2);font-size:13px;white-space:nowrap}th{color:var(--text2);font-weight:600;background:var(--bg3);font-size:12px;text-transform:uppercase;letter-spacing:.04em}tr:hover td{background:var(--bg3)}td{color:var(--text);vertical-align:middle}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-active{background:#3fb95026;color:var(--green)}.badge-inactive{background:#f8514926;color:var(--red)}.badge-unknown{background:#8b949e26;color:var(--text2)}.badge-checking{background:#1d9bf026;color:var(--blue)}.btn{padding:7px 14px;border-radius:var(--radius);border:none;cursor:pointer;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex;align-items:center;gap:6px}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark)}.btn-danger{background:#f8514926;color:var(--red);border:1px solid rgba(248,81,73,.3)}.btn-danger:hover{background:var(--red);color:#fff}.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border)}.btn-ghost:hover{color:var(--text);border-color:var(--text2)}.btn-success{background:#3fb95026;color:var(--green);border:1px solid rgba(63,185,80,.3)}.btn-success:hover{background:var(--green);color:#000}.btn-sm{padding:4px 10px;font-size:12px}.btn:disabled{opacity:.4;cursor:not-allowed}.form-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px;max-width:720px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group.full{grid-column:1 / -1}label{font-size:12px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.04em}input,textarea,select{background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:8px 10px;font-size:13px;width:100%;transition:border-color .15s;resize:vertical}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue)}textarea{min-height:80px;font-family:monospace;font-size:12px}.form-hint{font-size:11px;color:var(--text2)}.form-actions{display:flex;gap:10px;margin-top:20px}.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}.search-input{flex:1;min-width:200px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:8px 12px;font-size:13px}.search-input:focus{outline:none;border-color:var(--blue)}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--blue);background:#1d9bf00d}.drop-zone-icon{font-size:36px;margin-bottom:8px}.drop-zone-text{color:var(--text2);font-size:13px}input[type=file]{display:none}.proxy-result{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;font-size:12px;margin-top:8px}.proxy-ok{background:#3fb9501a;color:var(--green);border:1px solid rgba(63,185,80,.2)}.proxy-fail{background:#f851491a;color:var(--red);border:1px solid rgba(248,81,73,.2)}.mono{font-family:Consolas,Monaco,monospace;font-size:12px}.truncate{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}input[type=checkbox]{width:15px;height:15px;cursor:pointer;accent-color:var(--blue)}.section-title{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--text)}.divider{border:none;border-top:1px solid var(--border);margin:20px 0}.empty{text-align:center;padding:60px 20px;color:var(--text2)}.empty-icon{font-size:48px;margin-bottom:12px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg2)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text2)}