/* RCG AI portal: same look as www.rcgai.com.br (Poppins headings, Inter text, blue 600, slate footer). */
:root{
  --blue:#2563eb; --blue-d:#1d4ed8; --blue-l:#eff6ff;
  --ink:#0f172a; --ink2:#334155; --muted:#64748b; --line:#e2e8f0; --bg:#f8fafc; --card:#ffffff;
  --ok:#16a34a; --warn:#d97706; --alarm:#dc2626; --track:#e2e8f0; --grid:#e8edf3;
  --head:'Poppins',system-ui,sans-serif; --body:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.5 var(--body)}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:8px;background:var(--blue);color:#fff;padding:11px 22px;font:700 14px var(--head);letter-spacing:.03em;text-transform:uppercase;cursor:pointer;box-shadow:0 6px 14px rgba(37,99,235,.25);transition:background .2s,transform .2s}
.btn:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn:disabled{opacity:.6;cursor:default;transform:none}
.btn.ghost{background:#fff;color:var(--blue);border:2px solid var(--blue);box-shadow:none;padding:8px 16px}
.btn.ghost:hover{background:var(--blue-l)}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.top-in{max-width:1320px;margin:0 auto;padding:10px max(16px,env(safe-area-inset-right,0px)) 10px max(16px,env(safe-area-inset-left,0px));display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:12px;min-width:0}
.logo img{width:44px;height:44px;border-radius:8px;flex:none}
.logo b{display:block;font:700 18px/1.1 var(--head);letter-spacing:-.01em}
.logo span{display:block;font-size:12px;color:var(--muted);font-weight:500}
.who{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.who .u{font-size:13px;color:var(--ink2);text-align:right;line-height:1.25}
.who .u b{display:block;font-weight:600}
.banner{background:#fffbeb;border-bottom:1px solid #fde68a;color:#92400e;font-size:13px;text-align:center;padding:6px 16px}
.banner.admin{background:var(--blue-l);border-color:#bfdbfe;color:#1e3a8a}
.banner a{text-decoration:underline;font-weight:600}

/* page */
.page{max-width:1320px;margin:0 auto;padding:18px max(16px,env(safe-area-inset-right,0px)) 40px max(16px,env(safe-area-inset-left,0px))}
.page h1{font:700 24px/1.2 var(--head);margin:0}
.sub{color:var(--muted);margin:2px 0 14px}
.tabs{display:flex;gap:4px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin-bottom:0}
.tabs button{border:0;background:transparent;padding:10px 16px;font:600 13px var(--head);letter-spacing:.04em;text-transform:uppercase;color:var(--muted);border-bottom:3px solid transparent;cursor:pointer;margin-bottom:-1px}
.tabs button[aria-selected=true]{color:var(--blue);border-bottom-color:var(--blue)}
.stage{position:relative;width:100%;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px;overflow:hidden}
.canvas{position:absolute;left:0;top:0;width:1200px;height:640px;transform-origin:0 0}
.stage.stack{overflow:visible;background:transparent;border:0}
.stage.stack .canvas{position:static;width:auto;height:auto;transform:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding-top:12px}
.stage.stack .w{position:relative;left:auto!important;top:auto!important;width:auto!important}
.stage.stack .w.full{grid-column:1/-1}
.stage.stack .lamp{font-size:14px;gap:8px}.stage.stack .lamp i{width:16px;height:16px}

/* widgets */
.w{position:absolute;background:var(--card);border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;overflow:hidden;min-width:0;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.w.nobox{background:transparent;border-color:transparent;box-shadow:none}
.w-h{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:8px 12px 0;font:600 11.5px/1.2 var(--head);letter-spacing:.07em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.w-h b{overflow:hidden;text-overflow:ellipsis;font-weight:600}
.dot{width:9px;height:9px;border-radius:50%;background:var(--track);flex:none;display:inline-block}
.dot.ok{background:var(--ok)}.dot.warn{background:var(--warn)}.dot.alarm{background:var(--alarm)}
.w-b{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2px 12px 9px;position:relative}
.w-b.top{justify-content:flex-start;padding-top:8px}
.num{font:600 30px/1 var(--body);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.num small{font-size:.42em;color:var(--muted);margin-left:4px;font-weight:500;letter-spacing:0}
.num.warn{color:var(--warn)}.num.alarm{color:var(--alarm)}
.na{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;text-align:center;padding:6px}
.gauge{width:100%;flex:1;min-height:0}.gauge svg{width:100%;height:100%;display:block}
.g-num{margin-top:-4px}
.track{stroke:var(--track)}.s-ok{stroke:var(--ok)}.s-warn{stroke:var(--warn)}.s-alarm{stroke:var(--alarm)}
.hbar{width:100%;height:12px;background:var(--track);border-radius:6px;overflow:hidden;margin-top:8px}
.hbar i{display:block;height:100%;border-radius:6px}
.f-ok{background:var(--ok)}.f-warn{background:var(--warn)}.f-alarm{background:var(--alarm)}
.lamp{display:flex;align-items:center;gap:12px;font:700 17px var(--head);letter-spacing:.03em;text-transform:uppercase}
.lamp i{width:20px;height:20px;border-radius:50%;background:var(--track);border:2px solid #cbd5e1;flex:none}
.lamp.on.ok i{background:var(--ok);border-color:var(--ok);box-shadow:0 0 0 4px rgba(22,163,74,.2)}
.lamp.on.warn i{background:var(--warn);border-color:var(--warn);box-shadow:0 0 0 4px rgba(217,119,6,.2)}
.lamp.on.alarm i{background:var(--alarm);border-color:var(--alarm);box-shadow:0 0 0 4px rgba(220,38,38,.2)}
.lbl{font:700 22px/1.15 var(--head);align-self:flex-start;width:100%;letter-spacing:-.01em}
.trend{position:absolute;inset:6px 12px 22px 38px}
.trend svg{width:100%;height:100%;display:block}
.trend .ax{position:absolute;left:-36px;font:10px var(--body);color:var(--muted);font-variant-numeric:tabular-nums}
.trend .now{position:absolute;right:0;top:-3px;font:600 12px var(--body);font-variant-numeric:tabular-nums}
.xl{position:absolute;left:38px;right:12px;bottom:4px;display:flex;justify-content:space-between;font:10px var(--body);color:var(--muted)}
.alist{width:100%;align-self:stretch;display:flex;flex-direction:column;gap:2px;overflow:hidden;font-size:13px}
.alist div{display:flex;justify-content:space-between;gap:8px;padding:5px 0;border-bottom:1px solid var(--line)}
.alist .ok-msg{color:var(--ok);border:0;font-weight:600}
.alist span:last-child{font-variant-numeric:tabular-nums;font-weight:600}
.fuel{width:100%;align-self:stretch;display:flex;flex-direction:column;gap:8px;font-size:13px}
.fuel form{display:flex;gap:8px}
.fuel input{flex:1;min-width:0;border:1px solid #cbd5e1;border-radius:8px;padding:8px 10px;background:#fff}
.fuel button{background:var(--blue);color:#fff;border:0;border-radius:8px;padding:8px 16px;font:700 12px var(--head);letter-spacing:.04em;text-transform:uppercase;cursor:pointer}
.fuel button:disabled,.fuel input:disabled{opacity:.55;cursor:default}
.fuel ul{list-style:none;margin:0;padding:0;overflow:hidden}
.fuel li{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums;font-size:12.5px}
.fuel .tot{color:var(--muted);font-size:12px}
.fuel .msg{color:var(--alarm);font-size:12px;min-height:16px}
.tl{width:100%;align-self:stretch;display:flex;flex-direction:column;gap:4px;justify-content:center}
.tl svg{width:100%;height:30px;display:block;border-radius:6px}
.tl .ticks{position:relative;height:14px;font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}
.tl .ticks span{position:absolute;transform:translateX(-50%)}
.tl .sum{font-size:12px;color:var(--ink2)}
.tl .sum b{font-weight:600}

/* login */
.login{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.login .brand{background:var(--ink);color:#fff;padding:48px max(32px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;justify-content:space-between;gap:32px}
.login .brand .logo b{color:#fff}.login .brand .logo span{color:#94a3b8}
.login .brand h2{font:700 34px/1.15 var(--head);letter-spacing:-.02em;margin:0 0 14px;max-width:16ch}
.login .brand p{color:#94a3b8;margin:0;max-width:44ch}
.login .brand ul{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px;color:#cbd5e1;font-size:14px}
.login .brand li{display:flex;gap:10px;align-items:flex-start}
.login .brand li svg{flex:none;margin-top:2px;stroke:#60a5fa}
.login .brand small{color:#64748b}
.login .form{display:flex;align-items:center;justify-content:center;padding:32px max(24px,env(safe-area-inset-right,0px))}
.login form{width:100%;max-width:380px;display:flex;flex-direction:column;gap:16px}
.login h1{font:700 26px/1.2 var(--head);margin:0}
.login label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:var(--ink2)}
.login input{border:1px solid #cbd5e1;border-radius:8px;padding:12px 14px;background:#fff;font-size:16px}
.login input:focus{border-color:var(--blue);outline:2px solid #bfdbfe}
.err{color:var(--alarm);font-size:13px;min-height:20px}
.back{font-size:13px;color:var(--muted)}.back a{color:var(--blue);font-weight:600}
@media (max-width:820px){.login{grid-template-columns:1fr}.login .brand{padding:28px 24px;gap:18px}.login .brand h2{font-size:26px}.login .brand ul,.login .brand small{display:none}}

/* admin */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px}
.card h3{font:700 17px/1.25 var(--head);margin:0}
.card p{margin:0;color:var(--muted);font-size:13px}
.badge{align-self:flex-start;font:600 11px var(--head);letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:var(--blue-l);color:var(--blue-d)}
.badge.scada{background:#ecfdf5;color:#047857}
.note{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;color:var(--ink2);font-size:13.5px;margin-top:18px}