:root{--bg: #0a0e14;--surface-1: #111823;--surface-2: #1a2433;--text: #e6edf5;--text-muted: #7c8ba1;--accent: #3ddbff;--accent-support: #ffb454;--success: #3ddc84;--danger: #ff5c5c;--grid-line: rgba(61, 219, 255, .08);--font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;--font-ui: "Inter", system-ui, -apple-system, sans-serif;--r-input: 6px;--r-panel: 10px;--panel-glow: 0 0 24px rgba(61, 219, 255, .06);--ease: cubic-bezier(.22, .61, .36, 1)}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:var(--font-ui);color:var(--text);background:var(--bg);background-image:radial-gradient(1200px 600px at 78% -8%,rgba(61,219,255,.08),transparent 60%),radial-gradient(900px 500px at 0% 110%,rgba(255,180,84,.05),transparent 55%),linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:auto,auto,40px 40px,40px 40px;-webkit-font-smoothing:antialiased}#app{min-height:100vh}.cc-shell{max-width:1360px;margin:0 auto;padding:clamp(16px,3vw,40px);display:flex;flex-direction:column;gap:24px;min-height:100vh}.cc-header{display:flex;flex-direction:column;gap:6px}.cc-wordmark{font-family:var(--font-mono);font-weight:700;font-size:clamp(28px,4.5vw,44px);letter-spacing:-.02em;line-height:1}.cc-scan{position:relative;color:var(--accent);background:linear-gradient(100deg,var(--accent) 0%,#ffffff 20%,var(--accent) 40%,var(--accent) 100%);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:scan 4.5s var(--ease) infinite;text-shadow:0 0 22px rgba(61,219,255,.25)}@keyframes scan{0%,70%{background-position:130% 0}to{background-position:-30% 0}}.cc-tagline{margin:0;color:var(--text-muted);max-width:62ch;font-size:15px}.cc-main{flex:1;display:grid;grid-template-columns:340px 1fr;gap:24px;align-items:stretch}.cc-rail,.cc-stage{min-width:0}.cc-rail{background:var(--surface-1);border:1px solid rgba(124,139,161,.14);border-radius:var(--r-panel);box-shadow:var(--panel-glow);padding:20px;display:flex;flex-direction:column;gap:18px}.band-toggle{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:var(--bg);border:1px solid rgba(124,139,161,.18);border-radius:var(--r-input)}.band-toggle button{font-family:var(--font-mono);font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--text-muted);background:transparent;border:0;border-radius:4px;padding:9px 0;min-height:40px;cursor:pointer;transition:color .15s var(--ease),background .15s var(--ease)}.band-toggle button:hover{color:var(--text)}.band-toggle button.is-active{color:var(--bg);background:var(--accent);box-shadow:0 0 16px #3ddbff59}#add-network-form{display:flex;flex-direction:column;gap:12px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);font-family:var(--font-mono)}.field-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}input,select{font-family:var(--font-ui);font-size:15px;color:var(--text);background:var(--bg);border:1px solid rgba(124,139,161,.24);border-radius:var(--r-input);padding:11px 12px;min-height:44px;width:100%;transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}select{font-family:var(--font-mono);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-muted) 50%),linear-gradient(135deg,var(--text-muted) 50%,transparent 50%);background-position:calc(100% - 16px) center,calc(100% - 11px) center;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:32px}input::placeholder{color:#7c8ba1b3}input:hover,select:hover{border-color:#3ddbff66}input:focus-visible,select:focus-visible,button:focus-visible{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #3ddbff47}[aria-invalid=true]{border-color:var(--danger)!important;box-shadow:0 0 0 3px #ff5c5c38}.form-error{margin:0;color:var(--danger);font-size:13px;font-family:var(--font-mono)}.btn{font-family:var(--font-mono);font-size:14px;font-weight:600;border-radius:var(--r-input);padding:0 18px;min-height:44px;cursor:pointer;border:1px solid transparent;transition:transform .12s var(--ease),background .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease)}.btn:active{transform:translateY(1px) scale(.99)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{color:var(--bg);background:var(--accent);box-shadow:0 0 18px #3ddbff47}.btn-primary:hover:not(:disabled){background:#6be5ff;box-shadow:0 0 26px #3ddbff73}.btn-ghost{color:var(--text-muted);background:transparent;border-color:#7c8ba13d;flex:1}.btn-ghost:hover:not(:disabled){color:var(--text);border-color:#3ddbff80}.list-head h2{font-family:var(--font-mono);font-size:14px;font-weight:600;letter-spacing:.02em;margin:0;display:flex;align-items:center;gap:8px;color:var(--text)}.pill{font-size:12px;color:var(--bg);background:var(--accent);border-radius:999px;padding:1px 8px;min-width:22px;text-align:center}.net-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-height:320px;overflow-y:auto}.net-item{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:10px;background:var(--surface-2);border:1px solid rgba(124,139,161,.12);border-radius:var(--r-input);padding:9px 10px 9px 12px;animation:item-in .2s var(--ease)}@keyframes item-in{0%{opacity:0;transform:translateY(-4px)}}.net-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px #3ddbffb3}.net-name{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.net-chan{font-family:var(--font-mono);font-size:12px;color:var(--accent)}.net-remove{font-family:var(--font-mono);font-size:13px;color:var(--text-muted);background:transparent;border:0;border-radius:5px;width:30px;height:30px;cursor:pointer;transition:color .15s var(--ease),background .15s var(--ease)}.net-remove:hover{color:var(--danger);background:#ff5c5c1f}@media (pointer: coarse){.net-remove{width:44px;height:44px}.band-toggle button{min-height:44px}}.list-empty{margin:-6px 0 0;color:var(--text-muted);font-size:13px;line-height:1.5}.list-empty[hidden]{display:none}.rail-actions{display:flex;gap:10px;margin-top:auto}.cc-stage{display:flex;flex-direction:column;gap:16px}.rec-banner{display:flex;flex-direction:column;gap:4px;padding:16px 20px;border-radius:var(--r-panel);border:1px solid rgba(124,139,161,.16);background:var(--surface-1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.rec-main{display:flex;align-items:baseline;gap:12px}.rec-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}.rec-channel{font-family:var(--font-mono);font-weight:700;font-size:clamp(24px,3vw,34px);color:var(--text);transition:color .2s var(--ease)}.rec-detail{margin:0;color:var(--text-muted);font-size:14px}.rec-banner[data-state=clear]{border-color:#3ddc8480;box-shadow:0 0 26px #3ddc841f}.rec-banner[data-state=clear] .rec-channel{color:var(--success)}.rec-banner[data-state=busy]{border-color:#ffb45473;box-shadow:0 0 26px #ffb4541a}.rec-banner[data-state=busy] .rec-channel{color:var(--accent-support)}.chart-frame{flex:1;min-height:60vh;border-radius:var(--r-panel);border:1px solid rgba(61,219,255,.18);box-shadow:var(--panel-glow);overflow:hidden;background:var(--surface-2)}#spectrum-chart{display:block;width:100%;height:100%}.cc-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;color:var(--text-muted);font-size:12px;font-family:var(--font-mono);padding-top:4px;border-top:1px solid rgba(124,139,161,.12);margin-top:4px}.cc-foot-links{display:flex;flex-wrap:wrap;gap:18px}.cc-footer a{color:var(--text-muted);text-decoration:none;transition:color .15s var(--ease)}.cc-footer a:hover,.cc-footer a:focus-visible{color:var(--accent)}.cc-seo{border-top:1px solid rgba(61,219,255,.14);background:radial-gradient(900px 400px at 50% -10%,rgba(61,219,255,.06),transparent 60%),var(--surface-1);padding:clamp(40px,6vw,80px) clamp(16px,3vw,40px)}.cc-seo-inner{max-width:68ch;margin:0 auto}.cc-seo h2{font-family:var(--font-mono);font-size:clamp(20px,2.6vw,26px);letter-spacing:-.01em;margin:0 0 16px}.cc-seo h3{font-family:var(--font-mono);font-size:15px;color:var(--accent);letter-spacing:.02em;margin:28px 0 6px}.cc-seo p{color:var(--text-muted);line-height:1.65;font-size:15px;margin:0 0 12px}.cc-faq-title{margin-top:48px}.cc-faq{margin:0}.cc-faq dt{font-family:var(--font-mono);font-weight:600;color:var(--text);margin-top:20px;padding-left:14px;border-left:2px solid var(--accent)}.cc-faq dd{margin:8px 0 0;padding-left:14px;color:var(--text-muted);line-height:1.65;font-size:15px}.cc-seo-cta{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px;font-family:var(--font-mono);font-size:14px}.cc-seo-cta a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(61,219,255,.35);transition:border-color .15s var(--ease)}.cc-seo-cta a:hover,.cc-seo-cta a:focus-visible{border-color:var(--accent)}@media (max-width: 900px){.cc-main{grid-template-columns:1fr}.rail-actions{margin-top:8px}.chart-frame{min-height:62vh}}@media (max-width: 440px){.field-row{grid-template-columns:1fr}.field-row .btn-primary{width:100%}}@media (prefers-reduced-motion: reduce){.cc-scan,.net-item{animation:none}*{transition-duration:.01ms!important}}