:root{font-family:Inter,system-ui,sans-serif;color:#ecfdf5;background:#06100d;font-size:16px}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 90% 0,#123a2b 0,transparent 35%),#06100d;min-height:100vh}main{max-width:920px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}h1{margin:4px 0;font-size:1.65rem}h2{font-size:1rem;color:#a7f3d0}small{color:#829d92}.pill{border:1px solid #475b53;border-radius:999px;padding:8px 12px;font-size:.75rem}.pill.on{background:#16a34a;color:white;border-color:#16a34a}.balance{background:linear-gradient(135deg,#0f2c22,#0b1e18);border:1px solid #215943;border-radius:24px;padding:24px;display:grid;gap:8px}.balance strong{font-size:2.5rem}.controls{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:10px;margin:16px 0}button,input{border:1px solid #385048;border-radius:12px;padding:14px;background:#11231d;color:white;font-size:1rem}button{cursor:pointer;font-weight:700}.start{background:#10b981;color:#032c21}.danger{background:#7f1d1d;border-color:#b91c1c}.grid{display:grid;grid-template-columns:1fr 1.4fr;gap:16px}article,section:not(.controls,.balance,.login){background:#0b1713;border:1px solid #1b3029;border-radius:18px;padding:18px;margin-top:16px}dl div,.row{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #1b3029}.row:last-child,dl div:last-child{border:0}.row span{display:grid;gap:4px}.row i{font-style:normal;text-transform:uppercase;font-size:.7rem;color:#93c5fd}.row i.error,.row i.critical{color:#fca5a5}.login{max-width:380px;margin:12vh auto;display:grid;gap:14px;text-align:center}.mark{width:62px;height:62px;margin:auto;display:grid;place-items:center;border-radius:18px;background:#10b981;color:#032c21;font-weight:900;font-size:1.4rem}.login p{color:#829d92}.login small{color:#fca5a5}.note{text-align:center;color:#71877e;font-size:.8rem;margin:24px}@media(max-width:640px){main{padding:16px}.grid{grid-template-columns:1fr}.controls{grid-template-columns:1fr 1fr}.danger{grid-column:1/-1}.balance strong{font-size:2rem}}