:root{font-family:system-ui,-apple-system,sans-serif;color:#e7eaf0;background:#0f1115}*{box-sizing:border-box}body{margin:0;background:#0f1115;color:#e7eaf0}header{position:sticky;top:0;z-index:3;display:flex;justify-content:space-between;align-items:center;padding:14px 22px;background:#171a20;border-bottom:1px solid #2b3039}header strong{font-size:20px;margin-right:12px}header span,small,.hint{color:#98a2b3}main{max-width:1180px;margin:0 auto;padding:22px}.hero,.pair,.login-card{background:#171a20;border:1px solid #2b3039;border-radius:14px}.hero{padding:20px;display:flex;justify-content:space-between;gap:20px;align-items:center}.eyebrow{color:#98a2b3;font-size:12px;text-transform:uppercase}.mode{font-size:30px;font-weight:800}.mode.READY{color:#72d39a}.mode.FROZEN,.mode.UNAVAILABLE{color:#ffb86b}.runtime{display:flex;gap:14px;flex-wrap:wrap}.runtime span{background:#0f1115;padding:9px 11px;border-radius:8px}.controls,.pair-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.pair{padding:18px;margin:14px 0}.pair-head{display:flex;justify-content:space-between;gap:12px}.pair h3{margin:0 0 4px}.session{font-weight:800}.session.ACTIVE{color:#72d39a}.session.ERROR{color:#ff7474}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;margin:16px 0}.grid>div{background:#101318;padding:12px;border-radius:8px;display:flex;flex-direction:column;gap:4px}button{border:0;border-radius:8px;padding:9px 14px;background:#4c7dff;color:white;font-weight:700;cursor:pointer}button.secondary{background:#343b46}button.warning{background:#a86715}button.danger{background:#b83232}button.start{background:#238636}button.restart{background:#a86715}button.stop{background:#b83232}button:disabled{background:#343b46!important;color:#8d96a5;opacity:1;cursor:not-allowed}.offer-age{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#98a2b3;font-size:12px}.error,.notice,.message{padding:10px 12px;border-radius:8px;margin:10px 0}.error{background:#3b2024;color:#ffb1b8}.notice{background:#163528;color:#9be7b8}.message{background:#252a32;color:#c5ccd7}details{border-top:1px solid #2b3039;padding-top:12px}summary{cursor:pointer;font-weight:700}.config{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:14px}.config label,.login-card label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:#b8c0cc}.field-help{color:#7f8999;font-size:11px;line-height:1.35;margin-top:1px}.config input,.login-card input{background:#0f1115;color:#fff;border:1px solid #3a414d;border-radius:7px;padding:9px}.config button{align-self:end}.login{min-height:100vh;display:grid;place-items:center}.login-card{width:min(420px,calc(100% - 30px));padding:28px}.login-card h1{margin-top:0}.login-card form{display:grid;gap:14px}code{color:#98a2b3}@media(max-width:700px){header span{display:none}.hero{align-items:flex-start;flex-direction:column}main{padding:14px}.pair .grid>div:first-child{grid-column:1/-1}}