:root{--bg: #14171c;--panel: #1b1f27;--panel-raised: #20242d;--line: #2a2f3a;--line-soft: #232730;--text: #e7e9ee;--text-dim: #8b93a3;--text-faint: #5b6373;--on-air: #ff4d3d;--on-air-glow: rgba(255, 77, 61, .35);--on-air-dim: rgba(255, 77, 61, .12);--ready: #36c98f;--ready-dim: rgba(54, 201, 143, .14);--file: #4fa3ff;--file-dim: rgba(79, 163, 255, .14);--warn: #f5a623;--warn-dim: rgba(245, 166, 35, .14);--radius: 12px;--radius-sm: 8px;--font-display: "Space Grotesk", "Pretendard", system-ui, sans-serif;--font-body: "Inter", "Pretendard", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace}*{box-sizing:border-box}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}body{margin:0;background:var(--bg);background-image:radial-gradient(ellipse 900px 500px at 50% -10%,rgba(79,163,255,.06),transparent),radial-gradient(circle,rgba(255,255,255,.035) 1px,transparent 1px);background-size:auto,22px 22px;color:var(--text);font-family:var(--font-body);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased}.app{max-width:720px;margin:0 auto;padding:18px 16px 48px}.app.app-wide{max-width:1180px}.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:start;margin-bottom:14px}.dashboard-grid>.panel{margin-bottom:0;height:100%}@media (max-width: 980px){.dashboard-grid{grid-template-columns:1fr}}.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:18px 22px;background:radial-gradient(ellipse 480px 160px at 100% 0%,rgba(79,163,255,.07),transparent),linear-gradient(180deg,#1d212a,#181b22);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;flex-wrap:wrap}.topbar .brand{display:flex;align-items:center;gap:12px}.topbar .brand .brand-logo{width:34px;height:34px;object-fit:contain;filter:drop-shadow(0 0 8px rgba(79,163,255,.35))}.topbar .brand-text{display:flex;flex-direction:column;gap:2px}.topbar h1{font-family:var(--font-display);font-size:20px;font-weight:700;letter-spacing:.01em;margin:0}.topbar .tagline{margin:0;font-size:12px;color:var(--text-faint)}.topbar-meta{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.meta-lines{display:flex;flex-direction:column;gap:2px;align-items:flex-end}.meta-row{display:flex;align-items:baseline;gap:8px;font-family:var(--font-mono);font-size:11px}.meta-row .meta-k{color:var(--text-faint);letter-spacing:.08em}.meta-row .meta-v{color:var(--text-dim)}.build-pill{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;padding:3px 9px;border-radius:100px;background:var(--panel-raised);color:var(--text-dim);border:1px solid var(--line)}.build-pill.on-air{background:var(--on-air-dim);color:var(--on-air);border-color:transparent;animation:pulse 1.6s ease-in-out infinite}.topbar .status-group{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--text-dim)}.topbar .status-item{display:flex;align-items:center;gap:6px;font-family:var(--font-mono)}.led{width:7px;height:7px;border-radius:50%;display:inline-block;background:var(--text-faint)}.led.ready{background:var(--ready);box-shadow:0 0 6px var(--ready-dim)}.led.on-air{background:var(--on-air);box-shadow:0 0 8px var(--on-air-glow);animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.45}}.icon-btn{height:28px;padding:0 10px;font-size:12px;background:transparent;border:1px solid var(--line);color:var(--text-dim);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font-body)}.icon-btn:hover{border-color:var(--text-faint);color:var(--text)}.panel{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 18px 20px;margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,transform .18s ease}.panel:hover{border-color:var(--line-soft)}.panel:hover:before{width:4px}.panel:before{transition:width .18s ease;content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--rail, var(--line))}.panel.rail-live{--rail: var(--on-air)}.panel.rail-file{--rail: var(--file)}.panel.rail-device{--rail: var(--ready)}.panel.rail-status{--rail: var(--text-faint)}.panel-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}.panel-head .eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--text-faint);text-transform:uppercase}.panel-head h2{font-family:var(--font-display);font-size:14.5px;font-weight:600;margin:0}.panel-head .spacer{flex:1}.pill{font-family:var(--font-mono);font-size:11px;padding:3px 9px;border-radius:100px;background:var(--panel-raised);color:var(--text-dim);border:1px solid var(--line)}.pill.on-air{background:var(--on-air-dim);color:var(--on-air);border-color:transparent}.pill.ready{background:var(--ready-dim);color:var(--ready);border-color:transparent}.pill.warn{background:var(--warn-dim);color:var(--warn);border-color:transparent}.field-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}.field-row label{font-size:12.5px;color:var(--text-dim);min-width:52px;font-family:var(--font-mono)}.field-row>.dropzone{min-width:140px}select,input[type=text],input[type=password]{flex:1;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel-raised);color:var(--text);font-size:13.5px;font-family:var(--font-body)}select:focus,input:focus{outline:2px solid var(--file);outline-offset:-1px}select:disabled{opacity:.5}button{height:38px;padding:0 16px;font-size:13.5px;font-weight:500;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel-raised);color:var(--text);cursor:pointer;font-family:var(--font-body);transition:border-color .12s,background .12s}button:hover:not(:disabled){border-color:var(--text-faint)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.4;cursor:not-allowed}.onair-btn{width:100%;height:56px;margin-top:4px;border-radius:var(--radius);font-family:var(--font-display);font-size:15px;font-weight:600;letter-spacing:.04em;border:1px solid var(--line);background:var(--panel-raised);color:var(--text-dim);display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:inset 0 1px #ffffff08;transition:all .18s ease}.onair-btn .dot{width:10px;height:10px;border-radius:50%;background:var(--text-faint)}.onair-btn.live{background:linear-gradient(180deg,#3a1814,#2a1210);border-color:var(--on-air);color:#ffdcd6;box-shadow:0 0 0 1px var(--on-air-glow),0 0 24px var(--on-air-dim),inset 0 1px #ffffff0a}.onair-btn.live .dot{background:var(--on-air);box-shadow:0 0 10px var(--on-air-glow);animation:pulse 1.6s ease-in-out infinite}.onair-btn.pending{opacity:.7}.banner{padding:10px 13px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:12px;line-height:1.5}.banner.error{background:var(--on-air-dim);color:#ffb3a8;border:1px solid rgba(255,77,61,.25)}.banner.warn{background:var(--warn-dim);color:#ffd28a;border:1px solid rgba(245,166,35,.25)}.dropzone{flex:1;height:38px;border:1px dashed var(--line);border-radius:var(--radius-sm);display:flex;align-items:center;padding:0 12px;font-size:13px;color:var(--text-faint);cursor:pointer;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-family:var(--font-mono)}.dropzone:hover{border-color:var(--text-faint);color:var(--text-dim)}.filelist{border-top:1px solid var(--line-soft);margin-top:12px}.fileitem{display:flex;align-items:center;justify-content:space-between;padding:10px 2px;font-size:13px;border-bottom:1px solid var(--line-soft)}.fileitem .name{font-family:var(--font-mono);color:var(--text)}.fileitem .meta{color:var(--text-faint);display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:12px}.fileitem button{height:30px;padding:0 12px;font-size:12px}.channel-list{display:flex;flex-direction:column;gap:6px}.channel-strip{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--panel-raised);border:1px solid var(--line-soft);border-radius:var(--radius-sm)}.channel-strip .led{flex-shrink:0}.channel-strip .mac{font-family:var(--font-mono);font-size:13px;color:var(--text);flex:1}.channel-strip .badges{display:flex;gap:6px}.chip{font-family:var(--font-mono);font-size:10.5px;padding:2px 7px;border-radius:4px;border:1px solid var(--line);color:var(--text-faint)}.chip.on{color:var(--ready);border-color:#36c98f4d;background:var(--ready-dim)}.channel-strip .since{font-family:var(--font-mono);font-size:11px;color:var(--text-faint);white-space:nowrap}.empty-state{padding:24px 12px;text-align:center;color:var(--text-faint);font-size:13px}.telemetry{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.telemetry .cell{background:var(--panel-raised);border:1px solid var(--line-soft);border-radius:var(--radius-sm);padding:12px 14px}.telemetry .cell .k{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;color:var(--text-faint);text-transform:uppercase}.telemetry .cell .v{font-family:var(--font-mono);font-size:19px;font-weight:500;margin-top:4px;color:var(--text)}.telemetry .cell.state-live .v{color:var(--on-air)}.login-wrap{min-height:76vh;display:flex;align-items:center;justify-content:center}.login-card{width:320px;background:linear-gradient(180deg,#1d212a,#181b22)}.login-card .brand-logo-lg{width:56px;height:56px;object-fit:contain;margin-bottom:14px;filter:drop-shadow(0 0 14px rgba(79,163,255,.3))}.login-card h1{font-family:var(--font-display);font-size:19px;margin:0 0 4px;font-weight:600}.login-card p{color:var(--text-dim);margin:0 0 20px;font-size:13px}.login-card .field-row{flex-direction:column;align-items:stretch;gap:6px}.login-card label{min-width:0}.login-card button{width:100%;height:42px;margin-top:10px}