:root{color-scheme:dark;--bg:#0b111b;--panel:#121c2b;--line:#223044;--muted:#8fa1b9;--green:#55e6ad;--text:#eff5ff}*{box-sizing:border-box}body{margin:0;font:15px/1.5 'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text)}button,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:10px;background:#1b293c;color:var(--text);padding:12px 18px;transition:.15s}button:hover:not(:disabled){background:#273b50;border-color:#4b796c}button:disabled{opacity:.42;cursor:default}button:focus-visible,input:focus-visible{outline:2px solid var(--green);outline-offset:3px}.shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh}aside{padding:38px 24px;background:#0d1622;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;color:var(--text);text-decoration:none;font-size:24px;font-weight:750;letter-spacing:3px}.mark{display:grid;place-items:center;width:45px;height:45px;background:#174236;border-radius:12px;color:var(--green);font-size:30px;letter-spacing:0}.brand small{display:block;font-size:8px;letter-spacing:1.4px;color:var(--muted);margin-top:2px}.nav{margin-top:54px;padding:13px;border-radius:10px;font-size:14px}.selected{background:#18322f;color:var(--green)}.aside-note{font-size:12px;margin-top:auto;padding-top:100px;color:#d5e0ed}.aside-note p{color:var(--muted);line-height:1.8}.live-dot{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:5px}.aside-footer{font-size:9px;letter-spacing:1.8px;margin-top:36px;color:#667990}main{padding:42px clamp(24px,4vw,72px) 24px;max-width:1680px;width:100%}header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:34px}.eyebrow,.step{font-size:10px;letter-spacing:2px;color:var(--green);font-weight:650}h1{font-size:34px;letter-spacing:-1px;line-height:1.15;margin:10px 0}h2{font-size:25px;letter-spacing:-.5px;margin:12px 0}h3{font-size:17px;margin:10px 0 18px}.subtitle{color:var(--muted);margin:0}.badge{border:1px solid var(--line);padding:7px 13px;border-radius:25px;font-size:11px;white-space:nowrap;color:var(--muted)}.badge.active{background:#153c30;color:var(--green);border-color:#285e49}.card{background:var(--panel);border:1px solid var(--line);border-radius:18px}.pair{padding:42px;display:grid;grid-template-columns:1fr .8fr;gap:70px;max-width:1020px;min-height:470px}.pair p{color:var(--muted);max-width:400px;font-size:14px}form{margin-top:28px;max-width:420px}label{display:block;color:#b6c7dc;font-size:12px;margin:16px 0 8px}input{background:#0d1522;border:1px solid #2a3b50;border-radius:10px;padding:13px 15px;color:var(--text);width:100%;outline:none}input:focus{border-color:var(--green)}.code{font-family:Consolas,monospace;letter-spacing:3px;font-size:20px;text-transform:uppercase}.primary{display:flex;justify-content:space-between;width:100%;background:var(--green);color:#082a20;border:none;font-weight:700;margin-top:24px}.primary:hover:not(:disabled){background:#79f1c3}.pair-visual{display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,#183931,transparent 70%)}.phone-outline{border:2px solid #355448;background:#0e1c22;border-radius:32px;width:218px;height:377px;box-shadow:0 20px 70px #0003;display:flex;align-items:center;flex-direction:column;padding:14px}.phone-island{width:68px;height:15px;background:#070f14;border-radius:20px}.phone-logo{margin-top:48px;margin-bottom:21px;width:57px;height:57px;background:#1c4638;color:var(--green);display:grid;place-items:center;border-radius:16px;font-size:34px;font-weight:700}.phone-outline strong{font-size:13px}.phone-outline span{font-size:11px;color:var(--muted);text-align:center;margin-top:10px}.connection-line{height:34px;border-left:1px dashed #416b59;margin-top:17px}.phone-outline .phone-pill{background:#1a3b2f;color:var(--green);border:1px solid #295340;border-radius:20px;padding:7px 14px;font-size:10px}.message{min-height:22px;color:#b7d6e9;font-size:13px}.message.error{color:#ff9bab}footer{font-size:10px;color:#73879f;display:flex;justify-content:space-between;gap:20px;margin-top:28px}.session-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.session-top h2{margin:5px 0}.danger{background:#391e2a;border-color:#623345;color:#ffa7b5}.workspace{display:grid;grid-template-columns:minmax(300px,1fr) 265px;gap:22px}.viewer{overflow:hidden}.viewer-bar{padding:13px 18px;background:#152232;display:flex;justify-content:space-between;font-size:12px}.viewer-bar small{color:var(--muted)}.screen-wrap{height:clamp(350px,60vh,760px);display:flex;justify-content:center;align-items:center;background:#070c12;position:relative;overflow:hidden}#screen{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;touch-action:none;user-select:none}#screen[hidden]{display:none}#empty-screen{text-align:center;color:var(--muted);font-size:13px}.loader{border:2px solid #2a3d4e;border-top-color:var(--green);border-radius:50%;width:28px;height:28px;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.android-nav{display:flex;justify-content:center;gap:25px;padding:8px;background:#111d2b}.android-nav button{padding:0 17px;border:0;background:transparent;font-size:27px;color:#bccfdf}.control-card{padding:20px;margin-bottom:17px}.control-card button{display:block;width:100%;text-align:left;margin:8px 0;font-size:13px;padding:12px}.source.active{background:#19392f;border-color:#2a614c;color:var(--green)}.hint{font-size:11px;color:var(--muted);line-height:1.7}.control-card .quiet{background:transparent;border:0;color:#e09eaa;font-size:11px;padding:6px 0}.session-tip{display:flex;gap:10px;color:var(--muted);font-size:11px;padding:0 6px}.session-tip span{font-size:24px;color:var(--green)}[hidden]{display:none!important}@media(max-width:1050px){.shell{grid-template-columns:180px 1fr}aside{padding:30px 16px}.brand{font-size:19px}.pair{gap:20px;padding:28px}.pair-visual{display:none}.pair{grid-template-columns:1fr}.workspace{grid-template-columns:1fr 220px}main{padding:30px 24px}}@media(max-width:760px){.shell{display:block}aside{display:none}header{align-items:flex-start}h1{font-size:27px}.badge{font-size:10px}.workspace{grid-template-columns:1fr}.controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}.control-card{padding:15px}.session-tip{grid-column:1/-1}footer{flex-direction:column;gap:5px}.pair{padding:25px}.screen-wrap{height:60vh}main{padding:25px 16px}}