:root{color-scheme:dark;--bg:#080b10;--panel:#111722;--line:#233044;--text:#f4f7fb;--muted:#8e9caf;--green:#55e29c;--blue:#72a7ff;--yellow:#ffce66;--red:#ff7474}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 72% -15%,#18345b 0,transparent 40%),var(--bg);color:var(--text);font:15px/1.45 -apple-system,BlinkMacSystemFont,"SF Pro Text",sans-serif}.shell{width:min(1160px,calc(100% - 32px));margin:auto;padding:44px 0 64px}header,.section-head,.overview,.header-actions,.overview>div,.summary{display:flex;align-items:center}header,.section-head,.overview{justify-content:space-between;gap:22px}header{margin-bottom:24px}h1{font-size:clamp(30px,5vw,52px);letter-spacing:-.05em;margin:0}h2{font-size:21px;margin:0}.eyebrow{color:var(--green);font-size:11px;font-weight:750;letter-spacing:.15em;text-transform:uppercase;margin:0 0 6px}.muted,small,#refreshStatus,footer{color:var(--muted)}.header-actions{gap:14px}.header-actions a,.back{color:#c9d7eb;text-decoration:none}.overview,section{border:1px solid var(--line);background:#0e141ecf;border-radius:22px;padding:22px;margin-top:16px;box-shadow:0 22px 70px #0003}.overview>div{gap:12px}.overview strong,.overview small{display:block}.summary{gap:24px}.summary b{font-size:24px}.status-dot,.device-dot{width:10px;height:10px;border-radius:50%;background:var(--muted);box-shadow:0 0 0 6px #ffffff0a}.status-dot.online,.device-dot.online{background:var(--green);box-shadow:0 0 0 6px #55e29c15}.devices{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.card{background:linear-gradient(145deg,#172130,#0d131c);border:1px solid #26354a;border-radius:19px;padding:20px;min-height:210px}.card-head{display:flex;justify-content:space-between;gap:12px}.device-name{color:#cbd6e5;min-height:42px}.state{font-size:12px;color:var(--muted);white-space:nowrap}.percent{font-size:56px;line-height:1;font-weight:680;letter-spacing:-.06em;margin:22px 0 15px}.track{height:7px;background:#2a3442;border-radius:9px;overflow:hidden}.fill{height:100%;border-radius:9px;background:var(--green)}.meta{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:11px}canvas{display:block;width:100%;height:290px;margin-top:15px}.empty{color:var(--muted);padding:42px 6px}footer{text-align:center;font-size:12px;margin-top:20px}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(440px,100%);background:#101722;border:1px solid var(--line);border-radius:26px;padding:34px;box-shadow:0 40px 100px #0008}.login-card h1{font-size:36px}.brand-mark{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,var(--green),var(--blue));color:#071017;font-weight:800;margin-bottom:28px}.login-copy,.secure-note{color:var(--muted)}form{display:grid;gap:9px;margin-top:24px}label{font-size:13px;color:#c9d4e2;margin-top:7px}input{width:100%;border:1px solid #33435a;border-radius:12px;padding:13px 14px;background:#090e15;color:white;font:inherit;outline:none}input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #72a7ff20}button{margin-top:10px;border:0;border-radius:12px;padding:13px;background:var(--green);color:#07120d;font-weight:750;font:inherit;cursor:pointer}.secure-note{font-size:12px;text-align:center;margin:20px 0 0}.error,.success{border-radius:10px;padding:10px 12px}.error{background:#ff747418;color:#ffabab}.success{background:#55e29c18;color:#8cf2bb}.back{display:block;margin-top:22px}@media(max-width:780px){header,.section-head{align-items:flex-start;flex-direction:column}.header-actions{flex-wrap:wrap}.devices{grid-template-columns:1fr}.overview{align-items:flex-start;flex-direction:column}.card{min-height:190px}}