:root{--bg0: #0c1412;--bg1: #13201c;--bg2: #1a2c26;--line: rgba(180, 220, 200, .12);--text: #e8f2ec;--muted: #8aa398;--solar: #f0b429;--battery: #3dd68c;--grid: #5b9cff;--load: #ff7a59;--danger: #ff5d5d;--ok: #3dd68c;--panel: rgba(19, 32, 28, .82);--radius: 18px;font-family:DM Sans,system-ui,sans-serif;color:var(--text);background:var(--bg0)}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:radial-gradient(1200px 600px at 10% -10%,rgba(240,180,41,.16),transparent 55%),radial-gradient(900px 500px at 100% 0%,rgba(61,214,140,.12),transparent 50%),radial-gradient(800px 500px at 50% 100%,rgba(91,156,255,.1),transparent 45%),var(--bg0)}button,input,select{font:inherit;color:inherit}.app-shell{max-width:1200px;margin:0 auto;padding:1rem 1.1rem 2.5rem}.brand{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(2rem,5vw,3rem);letter-spacing:-.02em;margin:0}.brand span{color:var(--solar);font-style:italic}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.25rem}.nav{display:flex;gap:.35rem;flex-wrap:wrap}.nav button{background:transparent;border:1px solid transparent;color:var(--muted);padding:.45rem .8rem;border-radius:999px;cursor:pointer}.nav button.active{color:var(--text);border-color:var(--line);background:#ffffff0a}.status-dot{width:.55rem;height:.55rem;border-radius:50%;display:inline-block;margin-right:.4rem;background:var(--danger);box-shadow:0 0 0 4px #ff5d5d26}.status-dot.on{background:var(--ok);box-shadow:0 0 0 4px #3dd68c2e}.hero-flow{position:relative;border:1px solid var(--line);border-radius:calc(var(--radius) + 6px);background:linear-gradient(180deg,#ffffff08,#0000002e);padding:1.25rem 1rem 1.5rem;overflow:hidden;min-height:420px}.flow-svg{width:100%;height:min(52vw,360px);display:block}.node-label{font-size:.78rem;fill:var(--muted);text-anchor:middle}.node-value{font-size:1.05rem;font-weight:600;fill:var(--text);text-anchor:middle}.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin-top:1rem}@media (min-width: 800px){.metrics{grid-template-columns:repeat(4,minmax(0,1fr))}}.metric{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem 1rem}.metric .k{color:var(--muted);font-size:.78rem;margin-bottom:.25rem}.metric .v{font-size:1.35rem;font-weight:600}.metric .v.solar{color:var(--solar)}.metric .v.battery{color:var(--battery)}.metric .v.grid{color:var(--grid)}.metric .v.load{color:var(--load)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;margin-top:1rem}.panel h2{margin:0 0 .75rem;font-size:1.05rem;font-weight:600}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.login-card{width:min(400px,100%);background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:1.5rem}.login-card label{display:block;color:var(--muted);font-size:.85rem;margin:.75rem 0 .35rem}.login-card input{width:100%;background:#00000040;border:1px solid var(--line);border-radius:12px;padding:.7rem .85rem}.login-card button,.btn{margin-top:1rem;width:100%;border:0;border-radius:12px;padding:.8rem 1rem;background:linear-gradient(135deg,#d9a21b,#f0b429);color:#1a1405;font-weight:700;cursor:pointer}.btn.secondary{background:#ffffff0f;color:var(--text);border:1px solid var(--line);width:auto;margin-top:0}.err{color:var(--danger);font-size:.9rem;margin-top:.75rem}.chart{width:100%;height:220px;display:block}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:.55rem .35rem;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:500}.form-row{display:grid;grid-template-columns:1fr auto;gap:.5rem;align-items:end;margin-bottom:.75rem}.form-row label{display:block;color:var(--muted);font-size:.8rem;margin-bottom:.3rem}.form-row input{width:100%;background:#00000040;border:1px solid var(--line);border-radius:10px;padding:.55rem .7rem}.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.75rem}.chip{font-size:.75rem;padding:.3rem .65rem;border-radius:999px;border:1px solid var(--line);color:var(--muted)}.chip.on{color:var(--ok);border-color:#3dd68c59}.chip.off{color:var(--danger);border-color:#ff5d5d59}@keyframes dash{to{stroke-dashoffset:-40}}.flow-line{fill:none;stroke-width:2.5;stroke-linecap:round;opacity:.85}.flow-line.active{stroke-dasharray:6 10;animation:dash 1s linear infinite}.flow-line.slow{animation-duration:2.2s}.flow-line.fast{animation-duration:.55s}