/* GM Solar — Middleware Console
   Hand-written, zero dependencies. No CDN, no build step: the node serves
   these files directly and the page renders with the network cable unplugged. */

:root{
  --bg:#0b0f14; --bg-2:#111823; --bg-3:#161f2c; --line:#22303f;
  --ink:#e8eef6; --ink-2:#9db0c6; --ink-3:#6b8099;
  --sun:#ffb43a; --sun-2:#ff8a3d;
  --grn:#38d39f; --blu:#4aa8ff; --red:#ff5c68; --amb:#ffc44d; --vio:#a78bfa;
  --r:14px; --r-sm:9px;
  --sh:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  --topbar:rgba(11,15,20,.82);
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,system-ui,sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 var(--sans);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}
small{font-size:12px}
[hidden]{display:none !important}

/* ── scrollbars ─────────────────────────────────────────────────── */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#233144;border-radius:8px;border:3px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}

/* ── login ──────────────────────────────────────────────────────── */
.login-wrap{
  min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(255,180,58,.16), transparent 60%),
    radial-gradient(800px 500px at 110% 110%, rgba(74,168,255,.14), transparent 60%),
    var(--bg);
}
.login-card{
  width:min(400px,100%);background:var(--bg-2);border:1px solid var(--line);
  border-radius:20px;padding:30px;box-shadow:var(--sh);display:grid;gap:14px;
}
.login-lead{margin:2px 0 6px;color:var(--ink-2);font-size:13px}
.login-card label{display:grid;gap:6px;font-size:12px;color:var(--ink-2);font-weight:600}
.login-card input{
  background:var(--bg);border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;color:var(--ink);font-size:14px;
}
.login-card input:focus{outline:2px solid rgba(255,180,58,.45);border-color:transparent}
.login-err{
  margin:0;color:var(--red);font-size:13px;background:rgba(255,92,104,.1);
  border:1px solid rgba(255,92,104,.3);padding:9px 11px;border-radius:9px;
}
.login-foot{margin:6px 0 0;color:var(--ink-3);font-size:11.5px;line-height:1.5}

/* ── brand ──────────────────────────────────────────────────────── */
.brand{display:flex;align-items:center;gap:11px}
.brand strong{display:block;font-size:15px;letter-spacing:-.02em}
.brand small{display:block;color:var(--ink-3);font-size:11px;letter-spacing:.06em;
  text-transform:uppercase}
.brand-lg strong{font-size:19px}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:none;
  background:conic-gradient(from 210deg,var(--sun),var(--sun-2),#ff6a3d,var(--sun));
  box-shadow:0 0 0 1px rgba(255,180,58,.35),0 6px 18px -6px rgba(255,138,61,.7);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:var(--bg-2);box-shadow:inset 0 0 0 2px rgba(255,180,58,.9);
}

/* ── shell ──────────────────────────────────────────────────────── */
.shell{display:grid;grid-template-columns:236px 1fr;min-height:100dvh}
.sidebar{
  background:var(--bg-2);border-right:1px solid var(--line);padding:18px 14px;
  display:flex;flex-direction:column;gap:20px;position:sticky;top:0;height:100dvh;
}
#nav{display:grid;gap:2px;flex:1;align-content:start}
#nav a{
  display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:10px;
  color:var(--ink-2);font-weight:550;font-size:13.5px;transition:background .12s,color .12s;
}
#nav a:hover{background:var(--bg-3);color:var(--ink)}
#nav a.active{background:linear-gradient(90deg,rgba(255,180,58,.16),rgba(255,180,58,.04));
  color:var(--ink);box-shadow:inset 2px 0 0 var(--sun)}
#nav svg{width:17px;height:17px;flex:none;opacity:.85}
#nav a.active svg{opacity:1;color:var(--sun)}

.side-foot{display:grid;gap:10px}
.engine{
  display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:11px;
  background:var(--bg-3);border:1px solid var(--line);
}
.engine strong{display:block;font-size:12px}
.engine small{display:block;color:var(--ink-3);font-size:10.5px;font-family:var(--mono);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:130px}
.who{display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding-top:10px;border-top:1px solid var(--line)}
.who strong{display:block;font-size:12.5px}
.who small{color:var(--ink-3);font-size:11px;text-transform:capitalize}

.dot{width:8px;height:8px;border-radius:50%;background:var(--ink-3);flex:none}
.dot.ok{background:var(--grn);box-shadow:0 0 0 3px rgba(56,211,159,.16)}
.dot.bad{background:var(--red);box-shadow:0 0 0 3px rgba(255,92,104,.16)}
.dot-live{background:var(--grn);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.mainwrap{min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;gap:12px;padding:14px 22px;
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
  background:var(--topbar);backdrop-filter:blur(10px);
}
.topbar h1{font-size:17px;flex:1}
.topbar-right{display:flex;align-items:center;gap:12px}
.clock{font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.live{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-3);
  text-transform:uppercase;letter-spacing:.08em}
.view{padding:22px;max-width:1500px;width:100%}
.view:has(.chat){overflow:hidden}
.loading{color:var(--ink-3);padding:40px;text-align:center}
.only-mobile{display:none}

/* ── primitives ─────────────────────────────────────────────────── */
.card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);
  padding:16px;box-shadow:var(--sh)}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-bottom:12px}
.card-h h3{font-size:14px}
.card-h .sub{color:var(--ink-3);font-size:11.5px}
.grid{display:grid;gap:14px}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-21{grid-template-columns:2fr 1fr}
.stack{display:grid;gap:14px}

.btn{
  background:var(--bg-3);border:1px solid var(--line);color:var(--ink);
  border-radius:9px;padding:8px 13px;cursor:pointer;font-size:13px;font-weight:550;
  transition:background .12s,border-color .12s,transform .06s;
}
.btn:hover{background:#1d2837;border-color:#2c3d51}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(180deg,var(--sun),#f5a029);color:#221503;
  border-color:transparent;font-weight:650}
.btn-primary:hover{filter:brightness(1.06);background:linear-gradient(180deg,var(--sun),#f5a029)}
.btn-ghost{background:transparent}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-block{width:100%;padding:11px;justify-self:stretch}
.btn-danger{color:var(--red);border-color:rgba(255,92,104,.35)}

.pill{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;border-radius:99px;
  font-size:11px;font-weight:650;letter-spacing:.02em;background:var(--bg-3);
  border:1px solid var(--line);color:var(--ink-2)}
.pill-ok{color:var(--grn);border-color:rgba(56,211,159,.3);background:rgba(56,211,159,.1)}
.pill-warn{color:var(--amb);border-color:rgba(255,196,77,.3);background:rgba(255,196,77,.1)}
.pill-danger{color:var(--red);border-color:rgba(255,92,104,.3);background:rgba(255,92,104,.12)}
.pill-info{color:var(--blu);border-color:rgba(74,168,255,.3);background:rgba(74,168,255,.1)}
.pill-mute{color:var(--ink-3)}

table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.07em;
  color:var(--ink-3);font-weight:650;padding:0 10px 9px;white-space:nowrap}
td{padding:11px 10px;border-top:1px solid var(--line);font-size:13px;vertical-align:middle}
tbody tr{transition:background .1s}
tbody tr:hover{background:rgba(255,255,255,.02)}
.tbl-wrap{overflow-x:auto}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.muted{color:var(--ink-3)}
.right{text-align:right}
.clickable{cursor:pointer}

/* ── stat tiles ─────────────────────────────────────────────────── */
.stat{display:grid;gap:3px}
.stat .k{color:var(--ink-3);font-size:11px;text-transform:uppercase;letter-spacing:.07em}
.stat .v{font-size:26px;font-weight:680;letter-spacing:-.025em;font-variant-numeric:tabular-nums}
.stat .v span{font-size:14px;color:var(--ink-2);font-weight:550;margin-left:3px}
.stat .d{font-size:11.5px;color:var(--ink-3)}
.stat-sun .v{color:var(--sun)}
.stat-grn .v{color:var(--grn)}
.stat-blu .v{color:var(--blu)}

/* ── plant cards ────────────────────────────────────────────────── */
.plant-card{display:grid;gap:12px;cursor:pointer;transition:border-color .15s,transform .1s}
.plant-card:hover{border-color:#31465e;transform:translateY(-1px)}
.plant-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.plant-top h3{font-size:14.5px;line-height:1.3}
.plant-top .loc{color:var(--ink-3);font-size:11.5px;margin-top:2px}
.plant-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
  padding-top:11px;border-top:1px solid var(--line)}
.pm .k{font-size:10.5px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em}
.pm .v{font-size:16px;font-weight:650;font-variant-numeric:tabular-nums}

/* ── power flow ─────────────────────────────────────────────────── */
.flow{display:grid;place-items:center;padding:6px}
.flow svg{width:100%;max-width:520px;height:auto}

/* ── charts ─────────────────────────────────────────────────────── */
.chart{width:100%;overflow-x:auto}
.chart svg{display:block;width:100%;height:auto}
.legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;font-size:11.5px;
  color:var(--ink-2)}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block;margin-right:6px;
  vertical-align:-1px}

/* ── assistant ──────────────────────────────────────────────────── */
.chat{display:grid;grid-template-columns:230px 1fr;gap:14px;
  height:calc(100dvh - 118px);min-height:460px}
.conv-list{display:flex;flex-direction:column;gap:8px;overflow:hidden;min-height:0}
.conv-scroll{overflow-y:auto;min-height:0;display:grid;gap:4px;align-content:start;padding-right:2px}
.conv-item{padding:9px 10px;border-radius:9px;cursor:pointer;font-size:12.5px;
  color:var(--ink-2);border:1px solid transparent;line-height:1.35}
.conv-item:hover{background:var(--bg-3)}
.conv-item.active{background:var(--bg-3);border-color:var(--line);color:var(--ink)}
.conv-item small{display:block;color:var(--ink-3);font-size:10.5px;margin-top:2px}

.chat-main{display:flex;flex-direction:column;min-width:0;min-height:0}
.msgs{flex:1 1 auto;min-height:0;overflow-y:auto;padding:4px 4px 12px;
  display:grid;gap:14px;align-content:start}
.msg{display:grid;gap:6px;max-width:62rem}
.msg .who-row{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--ink-3);
  text-transform:uppercase;letter-spacing:.07em}
.msg .bubble{background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  padding:13px 15px;font-size:13.5px;line-height:1.65;overflow-wrap:anywhere}
.msg.user .bubble{background:rgba(255,180,58,.07);border-color:rgba(255,180,58,.22)}
.msg .bubble h4{margin:12px 0 5px;font-size:13.5px;color:var(--sun)}
.msg .bubble p{margin:0 0 9px}.msg .bubble p:last-child{margin-bottom:0}
.msg .bubble ul,.msg .bubble ol{margin:0 0 9px;padding-left:20px}
.msg .bubble li{margin:2px 0}
.msg .bubble code{font-family:var(--mono);font-size:12.5px;background:var(--bg);
  padding:1px 5px;border-radius:5px;border:1px solid var(--line)}
.msg .bubble pre{background:var(--bg);border:1px solid var(--line);border-radius:9px;
  padding:11px;overflow-x:auto;margin:0 0 9px}
.msg .bubble pre code{background:none;border:none;padding:0}
.msg .bubble table{margin:4px 0 10px;font-size:12.5px}
.msg .bubble th,.msg .bubble td{padding:6px 9px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:10.5px;padding:2px 8px;border-radius:99px;background:var(--bg-3);
  border:1px solid var(--line);color:var(--ink-3);font-family:var(--mono)}
.chip-src{color:var(--blu);border-color:rgba(74,168,255,.28)}
.chip-calc{color:var(--vio);border-color:rgba(167,139,250,.3)}

.composer{flex:0 0 auto;display:grid;gap:8px;padding-top:12px;
  border-top:1px solid var(--line);background:var(--bg-2)}
.composer-row{display:flex;gap:8px;align-items:flex-end}
.composer textarea{
  flex:1;background:var(--bg-2);border:1px solid var(--line);border-radius:11px;
  padding:11px 13px;resize:none;min-height:46px;max-height:190px;font-size:13.5px;
  line-height:1.5;
}
.composer textarea:focus{outline:2px solid rgba(255,180,58,.4);border-color:transparent}
.composer-opts{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:11.5px;
  color:var(--ink-3)}
.composer-opts label{display:flex;align-items:center;gap:5px;cursor:pointer}
.composer-opts select{background:var(--bg-2);border:1px solid var(--line);border-radius:7px;
  padding:3px 7px;font-size:11.5px}
.suggest{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:4px}
.suggest button{background:var(--bg-2);border:1px dashed var(--line);color:var(--ink-2);
  border-radius:99px;padding:5px 11px;font-size:11.5px;cursor:pointer;text-align:left}
.suggest button:hover{border-color:var(--sun);color:var(--ink)}
.typing{display:inline-block;width:7px;height:14px;background:var(--sun);
  vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0}}

/* ── misc ───────────────────────────────────────────────────────── */
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:13px}
.kv dt{color:var(--ink-3);font-size:12px}
.kv dd{margin:0;font-family:var(--mono);font-size:12.5px;overflow-wrap:anywhere}
.code{font-family:var(--mono);font-size:12px;background:var(--bg);border:1px solid var(--line);
  border-radius:9px;padding:12px;overflow-x:auto;white-space:pre;color:var(--ink-2)}
.tabs{display:flex;gap:4px;margin-bottom:14px;flex-wrap:wrap}
.tabs button{background:transparent;border:1px solid transparent;color:var(--ink-3);
  padding:6px 12px;border-radius:9px;cursor:pointer;font-size:12.5px;font-weight:550}
.tabs button.active{background:var(--bg-2);border-color:var(--line);color:var(--ink)}
.empty{text-align:center;padding:44px 20px;color:var(--ink-3)}
.empty h3{color:var(--ink-2);margin-bottom:6px;font-size:15px}
.sev-critical{color:var(--red)}.sev-major{color:var(--sun-2)}
.sev-warning{color:var(--amb)}.sev-info{color:var(--blu)}
.ai-note{background:rgba(167,139,250,.07);border:1px solid rgba(167,139,250,.25);
  border-radius:10px;padding:12px 14px;font-size:13px;line-height:1.6;margin-top:10px}
.ai-note h4{color:var(--vio);font-size:12px;text-transform:uppercase;letter-spacing:.06em;
  margin-bottom:7px}

.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:100;
  background:var(--bg-3);border:1px solid var(--line);border-radius:11px;
  padding:11px 17px;font-size:13px;box-shadow:var(--sh);max-width:min(520px,92vw)}
.toast.err{border-color:rgba(255,92,104,.5);color:#ffb3b8}

/* ── responsive ─────────────────────────────────────────────────── */
@media (max-width:1100px){
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-3,.g-21{grid-template-columns:1fr}
}
@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;z-index:60;width:236px;transform:translateX(-100%);
    transition:transform .2s ease}
  .sidebar.open{transform:none}
  .only-mobile{display:inline-flex}
  .g-2,.g-4{grid-template-columns:1fr}
  .chat{grid-template-columns:1fr;height:auto}
  .conv-list{display:none}
  .view{padding:15px}
}

/* ── chart palette ──────────────────────────────────────────────────
   Categorical hues in FIXED order (PV, Load, Battery, Grid) — never
   cycled, never reassigned when a series is filtered out. Validated for
   the #111823 chart surface: OKLCH lightness band, chroma floor, adjacent
   CVD separation (worst pair dE 18.3 deutan), normal-vision separation and
   >=3:1 contrast. Status colors below are reserved for alarm state and are
   never reused as a series color. */
:root{
  --c1:#c9820f;  /* PV generation      */
  --c2:#3d8fe8;  /* Site load          */
  --c3:#12a377;  /* Battery            */
  --c4:#8a68e8;  /* Grid exchange      */
  --grid-line:#1c2735;
  --axis-ink:#6b8099;
}
.chart-wrap{position:relative}
.chart-tip{
  position:absolute;pointer-events:none;z-index:5;background:var(--bg-3);
  border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:11.5px;
  box-shadow:var(--sh);white-space:nowrap;transform:translate(-50%,-115%);opacity:0;
  transition:opacity .1s;font-variant-numeric:tabular-nums;
}
.chart-tip.on{opacity:1}
.chart-tip .t{color:var(--ink-3);font-size:10.5px;margin-bottom:4px;
  text-transform:uppercase;letter-spacing:.06em}
.chart-tip .r{display:flex;align-items:center;gap:7px;justify-content:space-between}
.chart-tip .r i{width:9px;height:9px;border-radius:3px;flex:none}
.chart-tip .r b{font-weight:650;margin-left:10px}

/* ── AI: nav emphasis, dashboard hero, floating shortcut ───────────
   The AI engine is the differentiator on this platform, so it gets the
   first nav slot, the top of the dashboard, and a shortcut that follows
   the operator onto every other page. */
#nav a.nav-ai{
  color:var(--ink);background:linear-gradient(90deg,rgba(255,180,58,.10),transparent 70%);
  border:1px solid rgba(255,180,58,.22);margin-bottom:6px;
}
#nav a.nav-ai svg{color:var(--sun);opacity:1}
#nav a.nav-ai:hover{background:linear-gradient(90deg,rgba(255,180,58,.18),rgba(255,180,58,.03))}

.ai-hero{
  position:relative;overflow:hidden;margin-bottom:14px;padding:16px 18px;
  border:1px solid rgba(255,180,58,.26);border-radius:var(--r);
  background:
    radial-gradient(620px 220px at 8% -40%, rgba(255,180,58,.15), transparent 62%),
    radial-gradient(520px 240px at 102% 140%, rgba(74,168,255,.12), transparent 60%),
    var(--bg-2);
  box-shadow:var(--sh);
}
.ai-hero-top{display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.ai-hero-mark{
  width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(140deg,var(--sun),var(--sun-2));color:#20160a;
}
.ai-hero-mark svg{width:19px;height:19px}
.ai-hero h3{font-size:15px}
.ai-hero .lead{margin:2px 0 0;color:var(--ink-2);font-size:12.5px}
.ai-hero-state{
  margin-left:auto;display:flex;align-items:center;gap:7px;font-size:11.5px;
  color:var(--ink-3);font-family:var(--mono);
}
.ai-ask{display:flex;gap:9px;margin-top:13px}
.ai-ask input{
  flex:1;min-width:0;background:var(--bg);border:1px solid var(--line);
  border-radius:11px;padding:11px 14px;font-size:13.5px;
}
.ai-ask input:focus{outline:2px solid rgba(255,180,58,.45);border-color:transparent}
.ai-chips{display:flex;gap:7px;margin-top:10px;flex-wrap:wrap}
.ai-chips button{
  background:var(--bg-3);border:1px solid var(--line);color:var(--ink-2);
  border-radius:999px;padding:5px 11px;font-size:11.5px;cursor:pointer;
  transition:border-color .12s,color .12s;
}
.ai-chips button:hover{border-color:rgba(255,180,58,.5);color:var(--ink)}

.ai-fab{
  position:fixed;right:22px;bottom:22px;z-index:90;
  display:flex;align-items:center;gap:9px;padding:13px 18px 13px 15px;
  border-radius:999px;font-weight:650;font-size:13.5px;color:#20160a;
  background:linear-gradient(140deg,var(--sun),var(--sun-2));
  box-shadow:0 6px 20px -4px rgba(255,138,61,.5), 0 2px 6px rgba(0,0,0,.4);
  transition:transform .14s ease, box-shadow .14s ease;
}
.ai-fab svg{width:19px;height:19px;flex:none}
.ai-fab:hover{transform:translateY(-2px);
  box-shadow:0 10px 26px -4px rgba(255,138,61,.6), 0 2px 6px rgba(0,0,0,.45)}
.ai-fab:active{transform:translateY(0)}
@media (max-width:640px){
  .ai-fab{right:16px;bottom:16px;padding:13px;gap:0}
  .ai-fab span{display:none}
}
@media (prefers-reduced-motion:reduce){
  .ai-fab{transition:none}
  .ai-fab:hover{transform:none}
}

/* ── second factor ─────────────────────────────────────────────────── */
.login-card input.otp{
  font-family:var(--mono);font-size:26px;letter-spacing:.42em;text-align:center;
  padding:13px 10px 13px 20px;   /* letter-spacing pads the right; rebalance */
}
.login-card input.otp::placeholder{color:var(--ink-3);letter-spacing:.42em}
.login-note{
  margin:2px 0 0;padding:10px 12px;border-radius:9px;font-size:11.5px;line-height:1.55;
  color:var(--amb);background:rgba(255,196,77,.09);border:1px solid rgba(255,196,77,.28);
}
.login-note code{
  font-family:var(--mono);font-size:11px;background:rgba(0,0,0,.3);
  padding:1px 5px;border-radius:5px;
}

/* ── AI waiting state ──────────────────────────────────────────────── */
.ai-status{
  display:flex;align-items:center;gap:9px;margin:0 0 7px;font-size:12px;
  color:var(--ink-2);
}
.ai-status .mono{font-family:var(--mono);color:var(--ink-3);font-size:11px}
.spin{
  width:12px;height:12px;flex:none;border-radius:50%;
  border:2px solid rgba(255,180,58,.25);border-top-color:var(--sun);
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){ .spin{animation-duration:2s} }

/* ── administration ────────────────────────────────────────────────── */
.adm-summary{margin-bottom:14px}
.adm-warn{
  margin:0 0 14px;padding:11px 14px;border-radius:var(--r-sm);font-size:12.5px;
  line-height:1.6;color:var(--amb);background:rgba(255,196,77,.09);
  border:1px solid rgba(255,196,77,.3);
}
.adm-warn code{
  font-family:var(--mono);font-size:11.5px;background:rgba(0,0,0,.3);
  padding:1px 5px;border-radius:5px;
}
.adm-tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.adm-tabs button{
  background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:550;cursor:pointer;
}
.adm-tabs button:hover{color:var(--ink);border-color:#2c3d51}
.adm-tabs button.on{
  background:linear-gradient(180deg,var(--sun),#f5a029);color:#221503;
  border-color:transparent;
}
.adm-foot{font-size:11.5px;line-height:1.6;margin:12px 0 0}
.row-actions{display:flex;gap:5px;justify-content:flex-end;white-space:nowrap}
tr.dim td{opacity:.5}
td.nowrap,th.nowrap{white-space:nowrap}
.adm-meta{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  font-size:11px;color:var(--ink-3)}
.adm-filters{
  display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin:0 0 12px;
}
.adm-filters label{display:grid;gap:5px;font-size:11.5px;color:var(--ink-3);font-weight:600}
.adm-filters input,.adm-filters select{
  background:var(--bg);border:1px solid var(--line);border-radius:9px;
  padding:7px 10px;font-size:12.5px;min-width:150px;
}
.adm-more{display:flex;justify-content:center;margin-top:12px}
.adm-search{
  width:100%;background:var(--bg);border:1px solid var(--line);border-radius:9px;
  padding:8px 11px;font-size:12.5px;margin-bottom:9px;
}
.adm-logs{display:grid;grid-template-columns:300px 1fr;gap:14px;align-items:start}
.adm-transcript{max-height:64vh;overflow:auto;padding-right:4px}
.adm-pre{
  margin:0;white-space:pre-wrap;word-break:break-word;font:inherit;
}
@media (max-width:900px){ .adm-logs{grid-template-columns:1fr} }

/* ── dialogs ───────────────────────────────────────────────────────── */
.adm-dialog{
  border:1px solid var(--line);border-radius:16px;background:var(--bg-2);
  color:var(--ink);padding:0;width:min(440px,92vw);box-shadow:var(--sh);
}
.adm-dialog::backdrop{background:rgba(4,7,11,.66)}
.adm-dialog form{padding:22px;display:grid;gap:14px}
.adm-dialog h3{font-size:15px}
.adm-fields{display:grid;gap:11px}
.adm-dialog label{display:grid;gap:5px;font-size:11.5px;color:var(--ink-2);font-weight:600}
.adm-dialog input,.adm-dialog select{
  background:var(--bg);border:1px solid var(--line);border-radius:9px;
  padding:9px 11px;font-size:13.5px;
}
.adm-dialog input:focus,.adm-dialog select:focus{
  outline:2px solid rgba(255,180,58,.45);border-color:transparent;
}
.adm-note{
  margin:0;font-size:11.5px;line-height:1.6;color:var(--ink-3);
}
.adm-note .code{margin-top:6px}
.adm-err{margin:0;color:var(--red);font-size:12px}
.adm-actions{display:flex;gap:8px;justify-content:flex-end}

/* ── light theme ───────────────────────────────────────────────────────
   Dark is the default above; this block re-points the same tokens so every
   rule in the file keeps working untouched. The chart hues are a separate,
   re-validated set rather than the dark ones lightened: on a white surface
   the dark steps fall below the contrast floor. */
:root[data-theme="light"]{
  --bg:#f5f7f9; --bg-2:#ffffff; --bg-3:#eef1f5; --line:#dce3ea;
  --ink:#101820; --ink-2:#4a5a6b; --ink-3:#7b8b9c;
  --sun:#c9820f; --sun-2:#e2740f;
  --grn:#0f8f68; --blu:#1f6fd0; --red:#cf2b3b; --amb:#a8730a; --vio:#6b4fd0;
  --sh:0 1px 2px rgba(16,24,32,.06), 0 8px 24px -14px rgba(16,24,32,.22);
  --topbar:rgba(255,255,255,.85);
  color-scheme:light;
}
:root[data-theme="light"] .chart,
:root[data-theme="light"]{
  --c1:#b8720a;  /* PV generation      */
  --c2:#2166c4;  /* Site load          */
  --c3:#0b8060;  /* Battery            */
  --c4:#7048c8;  /* Grid exchange      */
  --grid-line:#e6ebf1;
  --axis-ink:#6b7c8d;
}
:root[data-theme="light"] ::-webkit-scrollbar-thumb{
  background:#c8d2dc;border:3px solid var(--bg);
}
:root[data-theme="light"] .login-wrap{
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(255,180,58,.20), transparent 60%),
    radial-gradient(800px 500px at 110% 110%, rgba(74,168,255,.16), transparent 60%),
    var(--bg);
}
:root[data-theme="light"] .btn:not(.btn-primary){background:#fff}
:root[data-theme="light"] .btn:not(.btn-primary):hover{
  background:#f2f5f8;border-color:#c9d4de;
}
:root[data-theme="light"] .btn-ghost{background:transparent}
:root[data-theme="light"] .btn-primary,
:root[data-theme="light"] .ai-fab,
:root[data-theme="light"] .adm-tabs button.on{color:#2a1a03}
:root[data-theme="light"] .ai-hero-mark{color:#2a1a03}
:root[data-theme="light"] .code,
:root[data-theme="light"] .adm-pre{background:#f2f5f8}
:root[data-theme="light"] .login-note code,
:root[data-theme="light"] .adm-warn code{background:rgba(0,0,0,.07)}
:root[data-theme="light"] #nav a.active{
  background:linear-gradient(90deg,rgba(201,130,15,.14),rgba(201,130,15,.03));
}
:root[data-theme="light"] .adm-dialog::backdrop{background:rgba(16,24,32,.34)}

/* ── theme toggle ──────────────────────────────────────────────────── */
.theme-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;cursor:pointer;
  background:var(--bg-3);border:1px solid var(--line);color:var(--ink-2);
}
.theme-btn:hover{color:var(--ink);border-color:#2c3d51}
:root[data-theme="light"] .theme-btn:hover{border-color:#c9d4de}
.theme-btn svg{width:16px;height:16px}
.theme-btn .ico-sun{display:none}
:root[data-theme="light"] .theme-btn .ico-sun{display:block}
:root[data-theme="light"] .theme-btn .ico-moon{display:none}