:root{font-family:IBM Plex Sans,system-ui,sans-serif;color:#0b1220;background:#f3f6fb}*{box-sizing:border-box}body{margin:0}.page{min-height:100vh;padding:32px;background:radial-gradient(circle at top,#fff,#eef2f9 45%,#e7edf6)}.card{max-width:380px;margin:80px auto;padding:32px;background:#fff;border-radius:16px;box-shadow:0 12px 40px #0f172a1a}.form{display:grid;gap:12px;margin-top:20px}input{padding:12px 14px;border-radius:10px;border:1px solid #d4dbe7;font-size:14px}button{padding:12px 16px;border-radius:10px;border:none;background:#1b6ef3;color:#fff;font-weight:600;cursor:pointer}button.secondary{background:#e3e8f3;color:#1a2342}button:disabled{opacity:.7;cursor:default}.error{color:#c1121f;font-size:14px}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.actions{display:flex;gap:12px}.layout{display:grid;grid-template-columns:320px 1fr;gap:20px}.panel{background:#fff;border-radius:16px;padding:20px;box-shadow:0 8px 24px #0f172a14}.machine-list{display:grid;gap:10px}.machine-item{display:flex;justify-content:space-between;align-items:center;padding:12px;border-radius:12px;border:1px solid #e4e9f2;background:#f9fbff;text-align:left}.machine-item.active{border-color:#1b6ef3;box-shadow:inset 0 0 0 1px #1b6ef3}.status{padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}.status.on{background:#d1f7de;color:#1b7f3b}.status.off{background:#fde5e5;color:#b42318}.muted{color:#6c7a93;font-size:12px}.meta{display:flex;gap:20px;font-size:14px;color:#44506b;margin-bottom:12px}.chart{height:300px}@media (max-width: 960px){.layout{grid-template-columns:1fr}}