:root{color-scheme:dark;--bg:#0b1220;--panel:#111c30;--line:#263750;--text:#e9f0f8;--muted:#8fa2b9;--accent:#45c58a;--danger:#ef6b73}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#0b1220,#101b2d);color:var(--text);font:15px system-ui,sans-serif;min-height:100vh}header{height:64px;padding:0 max(24px,calc((100% - 1200px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#0b1220dd}.brand{font-size:19px;font-weight:750;color:var(--text);text-decoration:none}a{color:#70d8aa}nav{display:flex;align-items:center;gap:18px}nav a,.link{color:#bcd0e5;background:none;border:0;padding:0;text-decoration:none;font:inherit;cursor:pointer}nav form{margin:0}main{max-width:1200px;margin:34px auto;padding:0 24px}.panel{background:#111c30e8;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:0 12px 35px #0003}h1{font-size:30px;margin:0 0 6px}h2{margin:0 0 18px}.muted{color:var(--muted)}.login{max-width:430px;margin:10vh auto}.stack{display:grid;gap:16px}.stack label,.form-grid label{display:grid;gap:7px;color:#bdd0e4}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-action{display:flex;align-items:end}.emulator-create{margin-top:24px}input,select{width:100%;background:#0b1423;border:1px solid #344963;color:var(--text);padding:11px 12px;border-radius:8px;font:inherit}button{border:0;border-radius:8px;padding:11px 16px;background:var(--accent);color:#06140e;font-weight:750;cursor:pointer}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}.check input{width:auto}.flash{padding:12px 15px;border-radius:8px;margin-bottom:18px}.flash.error{background:#4b2027}.flash.success{background:#163d2e}.title-row,.device-head{display:flex;align-items:center;justify-content:space-between;gap:18px}.devices{display:grid;gap:20px;margin-top:24px}.badge,.pill{display:inline-block;padding:6px 10px;background:#27364a;border-radius:999px;color:#bdd0e4;font-size:13px}.badge.online{color:#68e4aa;background:#153e30}.badge.offline{color:#ff939a;background:#492329}.identities{display:flex;gap:8px;flex-wrap:wrap;margin:-8px 0 8px}.identity{font-size:13px;color:#a9bdd2;margin-right:10px}.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr));gap:12px}.metric{background:#0b1423;border:1px solid #21334c;border-radius:10px;padding:13px}.metric span{display:block;color:var(--muted);font-size:12px}.metric strong{display:block;font-size:21px;margin-top:4px}.metric small{font-size:12px;color:var(--muted);margin-left:5px}.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;text-transform:capitalize}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px 8px}.danger{background:var(--danger);color:#26070a;padding:7px 10px}.empty{margin-top:24px}@media(max-width:700px){.admin-grid,.form-grid{grid-template-columns:1fr}.title-row{align-items:flex-start;flex-direction:column}nav span{display:none}main{padding:0 14px}.panel{padding:17px}}
.back-link{color:#bcd0e5;text-decoration:none;font-weight:600}.back-link:hover{text-decoration:underline}
@media(max-width:700px){header{height:auto;min-height:64px;flex-wrap:wrap;gap:8px;padding:10px 14px}nav{gap:8px;flex-wrap:wrap}nav a,nav .link{background:#27364a;padding:8px 12px;border-radius:8px}}
.role-form{margin:0}.role-form select{width:auto;padding:6px 8px}
[hidden]{display:none!important}
.inline-form{display:inline;margin:0}.danger.small{padding:4px 9px;font-size:12px;margin-left:6px}.device-line{margin:3px 0}
.mqtt-login-form{display:flex;gap:6px;flex-wrap:wrap;margin:6px 0}.mqtt-login-form input{width:auto;flex:1 1 120px;padding:6px 8px}button.small{padding:6px 10px;font-size:13px}button.secondary{background:#27364a;color:#bcd0e5}

.hero{display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:center;margin:8px 0 18px}.hero-side .pills{margin-top:12px}
.gauge{width:100%;max-width:220px;display:block;margin:auto}.g-track{fill:none;stroke:#1d2c42;stroke-width:16}.g-fill{fill:none;stroke-width:16;stroke-linecap:round;transition:stroke-dasharray .6s}
.g-val{font-size:30px;font-weight:800;text-anchor:middle}.g-sub{font-size:12px;fill:#8fa2b9;text-anchor:middle}.gauge-empty{padding:60px 0;text-align:center}
.flow{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px}.node{display:grid;justify-items:center;text-align:center;gap:2px;background:#0b1423;border:1px solid #21334c;border-radius:14px;padding:12px 14px;min-width:96px}
.node-icon{font-size:26px}.node span{font-size:12px;color:#8fa2b9}.flow-mid{display:grid;gap:8px}.flow-line{height:8px;border-radius:8px;background:#27364a}
.flow-line.charge,.flow-line.discharge{background:repeating-linear-gradient(90deg,var(--fc) 0 14px,transparent 14px 26px);animation:flow .9s linear infinite}
.flow-line.charge{--fc:#1ebe62;animation-direction:reverse}.flow-line.discharge{--fc:#00b0b9}@keyframes flow{from{background-position:0 0}to{background-position:26px 0}}
.flow-label{text-align:center;font-weight:700}.flow-label.charge{color:#1ebe62}.flow-label.discharge{color:#00b0b9}.flow-label.idle{color:#8fa2b9}
.meters{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.meter{background:#0b1423;border:1px solid #21334c;border-radius:10px;padding:11px 13px;margin:6px 0}
.meter-top{display:flex;justify-content:space-between;gap:8px;font-size:13px;color:#bdd0e4}.meter-top b{color:#e9f0f8}.meter-bar{height:9px;background:#1d2c42;border-radius:9px;margin:8px 0 4px;overflow:hidden}.meter-bar i{display:block;height:100%;border-radius:9px;transition:width .6s}
.cells{width:100%;height:150px;display:block;background:#0b1423;border-radius:10px;padding:6px}.cell-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;font-size:13px;color:#bdd0e4}.cell-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px}
.trends{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.trend{background:#0b1423;border:1px solid #21334c;border-radius:10px;padding:12px}.trend svg{width:100%;height:140px;display:block;margin-top:8px}
.trend-head{display:flex;justify-content:space-between}.trend-axis{display:flex;justify-content:space-between;font-size:12px;margin-top:4px}.zero{stroke:#3a4d68;stroke-dasharray:4 4}
.events{display:grid;gap:10px}.event{display:flex;gap:10px;align-items:flex-start}.event>i{width:10px;height:10px;border-radius:50%;margin-top:6px;flex:none}
@media(max-width:700px){.hero{grid-template-columns:1fr}.flow{grid-template-columns:1fr auto 1fr;gap:6px}.flow-mid{min-width:70px}.node{min-width:0;padding:10px 6px}}
.setup-frame{width:100%;min-height:300px;border:1px solid var(--line);border-radius:14px;background:#fff;display:block;margin-top:12px}.setup-btn{display:inline-block;padding:8px 14px;border-radius:8px;background:var(--accent);color:#06140e;font-weight:750;text-decoration:none;margin-top:8px}
.brand-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.main-link{color:#bcd0e5;text-decoration:none;font-weight:600;background:#27364a;padding:7px 12px;border-radius:8px;font-size:14px}.main-link:hover{background:#334760}
.card-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.delete-btn{margin-top:8px;padding:8px 14px;border-radius:8px;background:#5a2530;color:#ffd5d9;font-weight:700}.delete-btn:hover{background:#7a2c38}.identity.unbound{color:#f5b12d;font-weight:600}