/* Design direction: nocturnal telecom operations console; signal-green pulse is the signature element. */
:root{color-scheme:dark;--bg:#08100e;--panel:#101a17;--panel2:#15211d;--line:#26352f;--text:#f0f5ed;--muted:#91a19a;--signal:#b9ff4c;--danger:#ff7068;--amber:#ffc95b;--radius:18px;font-family:"Avenir Next","Segoe UI",sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 70% -20%,#1b3a2f 0,transparent 35%),var(--bg);color:var(--text);min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.eyebrow{font-family:"IBM Plex Mono","SFMono-Regular",monospace;font-size:.72rem;letter-spacing:.16em;color:var(--signal);margin:0 0 .8rem}.muted{color:var(--muted);line-height:1.6}.brand-mark{display:flex;gap:5px;height:34px;align-items:end}.brand-mark span{width:8px;background:var(--signal);border-radius:6px}.brand-mark span:nth-child(1){height:14px}.brand-mark span:nth-child(2){height:26px}.brand-mark span:nth-child(3){height:34px}.brand-mark.small{height:24px}.brand-mark.small span{width:6px}.brand-mark.small span:nth-child(1){height:10px}.brand-mark.small span:nth-child(2){height:17px}.brand-mark.small span:nth-child(3){height:24px}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(480px,100%);padding:clamp(28px,6vw,58px);border:1px solid var(--line);background:rgba(16,26,23,.88);backdrop-filter:blur(20px);border-radius:28px;box-shadow:0 40px 100px #0008}.login-card h1{font-size:clamp(2.2rem,6vw,4.2rem);line-height:.98;letter-spacing:-.055em;margin:24px 0}.login-card h1 em{font-weight:300;color:var(--signal)}label{display:block;color:#cad5d0;font-size:.83rem;margin:18px 0 8px}input,textarea{width:100%;border:1px solid var(--line);background:#09120f;color:var(--text);border-radius:12px;padding:14px 16px;outline:none;transition:.2s border,.2s box-shadow}input:focus,textarea:focus{border-color:var(--signal);box-shadow:0 0 0 3px #b9ff4c18}textarea{resize:vertical}.primary{min-height:48px;border:0;border-radius:12px;background:var(--signal);color:#0b160d;font-weight:800;padding:12px 18px;display:inline-flex;gap:24px;justify-content:center;align-items:center}.login-card .primary{width:100%;margin-top:22px}.ghost{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:12px;padding:12px}.app-shell{min-height:100vh;display:grid;grid-template-columns:240px 1fr}.sidebar{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);padding:28px 20px;display:flex;flex-direction:column;justify-content:space-between;background:#09120fdd}.logo-row{display:flex;align-items:center;gap:12px}.logo-row strong{letter-spacing:.05em}.sidebar nav{display:grid;gap:6px;margin-top:52px}.nav{border:0;background:transparent;color:var(--muted);text-align:left;padding:13px 14px;border-radius:10px}.nav.active,.nav:hover{background:var(--panel2);color:var(--text)}.workspace{padding:clamp(20px,4vw,54px);max-width:1600px;width:100%;margin:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.topbar h2{font-size:clamp(2rem,4vw,3.8rem);letter-spacing:-.05em;margin:0}.live-pill{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:99px;padding:9px 14px;color:var(--muted);font-size:.8rem}.live-pill i{width:8px;height:8px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 5px #ffc95b16}.live-pill.online i{background:var(--signal);box-shadow:0 0 0 5px #b9ff4c16;animation:pulse 1.8s infinite}@keyframes pulse{50%{box-shadow:0 0 0 9px transparent}}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:12px}.stat{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:18px}.stat span{color:var(--muted);font-size:.76rem}.stat strong{display:block;font-size:1.7rem;margin-top:6px}.split{display:grid;grid-template-columns:minmax(300px,.8fr) minmax(420px,1.6fr);gap:12px}.panel{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:22px}.panel-title{display:flex;justify-content:space-between;align-items:center;font-weight:800;margin-bottom:18px}.panel-title small{color:var(--muted);font-weight:400}.panel-title input{width:160px;padding:9px 12px}.form-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;color:var(--muted);font-family:monospace;font-size:.76rem}.message-list{max-height:620px;overflow:auto;display:grid;gap:8px}.message{display:grid;grid-template-columns:44px 1fr auto;gap:12px;align-items:start;border-top:1px solid var(--line);padding:15px 0}.direction{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#203127;color:var(--signal)}.message.inbound .direction{background:#1c2b38;color:#81c9ff}.message p{margin:5px 0;color:#cad5d0;white-space:pre-wrap;word-break:break-word}.message small{color:var(--muted)}.status{font-family:monospace;font-size:.68rem;border:1px solid var(--line);padding:5px 8px;border-radius:99px}.status.failed{color:var(--danger)}.section-actions{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.section-actions p{color:var(--muted)}.pairing,.secret-reveal{border:1px solid var(--signal);background:#b9ff4c0c;border-radius:16px;padding:24px;margin-bottom:18px}.pairing strong{display:block;font:700 clamp(2rem,7vw,4rem)/1 monospace;letter-spacing:.16em;color:var(--signal)}.device-grid,.key-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}.device,.key-item{border:1px solid var(--line);background:var(--panel);border-radius:16px;padding:20px}.device-head{display:flex;justify-content:space-between;align-items:center}.dot{width:9px;height:9px;background:var(--muted);border-radius:50%}.dot.online{background:var(--signal)}.device dl{display:grid;grid-template-columns:1fr 1fr;gap:12px}.device dt{font-size:.7rem;color:var(--muted)}.device dd{margin:3px 0;font-family:monospace;font-size:.8rem}.danger{border:0;background:transparent;color:var(--danger);padding:10px 0}.download-card{width:100%;margin-top:12px;min-height:88px;border:1px dashed var(--line);background:transparent;color:var(--text);border-radius:16px;padding:20px;display:flex;justify-content:space-between;font-weight:800}.secret-reveal code{display:block;word-break:break-all;background:#050a08;padding:14px;border-radius:10px;margin:10px 0}.api-doc{margin-top:16px}.api-doc pre{overflow:auto;background:#07100d;padding:18px;border-radius:12px;color:#c8eab0}.settings-card{max-width:520px}.toast{position:fixed;right:20px;bottom:20px;z-index:10;background:var(--text);color:#101a17;padding:13px 17px;border-radius:12px;transform:translateY(120px);opacity:0;transition:.25s}.toast.show{transform:none;opacity:1}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:5;bottom:0;top:auto;height:auto;width:100%;padding:9px 12px;border:0;border-top:1px solid var(--line);display:block}.logo-row,.sidebar .ghost{display:none}.sidebar nav{margin:0;grid-template-columns:repeat(4,1fr)}.nav{text-align:center;padding:12px 5px;font-size:.72rem}.workspace{padding-bottom:95px}.split{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.feed-panel{order:-1}.message-list{max-height:none}}@media(max-width:560px){.topbar{align-items:flex-start}.live-pill{padding:8px}.live-pill span{display:none}.stats{gap:8px}.stat{padding:14px}.panel{padding:16px}.section-actions{align-items:stretch;flex-direction:column;gap:10px}.device-grid,.key-list{grid-template-columns:1fr}.message{grid-template-columns:36px 1fr}.message .status{grid-column:2}.panel-title input{width:120px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}