:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#07111f;color:#f5f8ff}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top right,#123b58 0,#07111f 42%)}button,input{font:inherit}.app{width:min(720px,100%);margin:auto;padding:28px 20px 40px}header,.topline,.device,.actions{display:flex;align-items:center;justify-content:space-between;gap:14px}.brand{font-size:24px;font-weight:800}.brand span{color:#45d4ff}.brand b{font-size:11px;letter-spacing:.14em;background:#173754;padding:6px 8px;border-radius:7px}header p,.foot{color:#9fb2c8;margin:6px 0}.status{padding:9px 13px;border:1px solid #2b4a65;border-radius:999px;color:#71e2ac;background:#0b2632}.phone-card,.device{margin-top:20px;background:linear-gradient(160deg,rgba(18,44,68,.96),rgba(7,20,34,.98));border:1px solid #29465e;border-radius:20px;padding:22px;box-shadow:0 22px 60px rgba(0,0,0,.25)}small,label{display:block;color:#70dfff;font-size:11px;font-weight:800;letter-spacing:.12em;margin-bottom:6px}.notice{margin:20px 0;padding:12px 14px;border:1px solid #2d4e69;background:#091b2c;border-radius:12px;color:#b8c8d9}.primary,.call{background:linear-gradient(135deg,#2f8fff,#765cff);color:white;border:0}.wide{width:100%}button{border:1px solid #365771;background:#112b42;color:#eef6ff;border-radius:12px;padding:12px 16px;font-weight:750;cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}.secondary{background:#10263a}.hidden{display:none!important}input{width:100%;background:#071827;border:1px solid #365b77;color:white;border-radius:13px;padding:16px;font-size:22px;margin:8px 0 16px}.keys{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.keys button{height:64px;font-size:24px}.keys small{font-size:9px;margin:2px 0 0;color:#87a2b8}.actions{margin-top:12px}.actions button{flex:1}.call{background:#0ea867}.end{background:#a52d43;border-color:#d24b64}.active-call{padding:14px;background:#071827;border-radius:13px;margin-bottom:16px}.ccp{width:1px;height:1px;overflow:hidden;position:absolute;opacity:.01}.device strong{display:block}.foot{text-align:center;font-size:12px;margin-top:18px}@media(max-width:540px){header,.topline,.device{align-items:flex-start;flex-direction:column}.topline button,.device button{width:100%}}