/* Camada de refinamento de UX. Mesma paleta (--ink, --teal, --lime, --bg, --line, --red) e mesma logo; só hierarquia, espaçamento, foco, alvos de toque e estados. Carregada por último em todas as páginas. */
:root{--ux-ring:0 0 0 3px rgba(8,124,120,.28);--ux-card-shadow:0 1px 2px rgba(19,46,54,.04),0 6px 18px -12px rgba(19,46,54,.16);--ux-teal-soft:#e5f3f2;--ux-teal-line:#bfe0dd}
[data-theme="dark"]{--ux-ring:0 0 0 3px rgba(24,179,171,.4);--ux-card-shadow:0 1px 2px rgba(0,0,0,.3);--ux-teal-soft:#10302f;--ux-teal-line:#1c5753}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
h1,h2,h3{letter-spacing:-.01em;text-wrap:balance}
p,li{text-wrap:pretty}

/* Acessibilidade: foco visível, atalho para o conteúdo, alvos de toque */
:focus{outline:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:8px}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:none;border-color:var(--teal)!important;box-shadow:var(--ux-ring)}
.skip-link{position:fixed;left:12px;top:-60px;z-index:10000;background:var(--lime);color:var(--ink);padding:10px 16px;border-radius:10px;font-weight:700;text-decoration:none;transition:top .15s}
.skip-link:focus{top:12px}
button,[role="button"],select,input[type="checkbox"]+span,summary{touch-action:manipulation}
button,select,input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]){min-height:44px}
button{cursor:pointer}
button:disabled,[aria-disabled="true"]{cursor:not-allowed}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}

/* Botões */
.primary{box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 4px 12px -6px rgba(8,124,120,.55);transition:background .15s,transform .1s,box-shadow .15s}
.primary:hover:not(:disabled){filter:brightness(1.06)}
.primary:active:not(:disabled){transform:translateY(1px)}
.secondary{transition:border-color .15s,background .15s,color .15s}
.secondary:hover:not(:disabled){border-color:var(--teal);color:var(--teal)}
.lime-cta,.primary.lime{background:var(--lime);color:var(--ink)}

/* Campos */
.field input,.field select,.field textarea,input[type="text"],input[type="email"],input[type="password"],input[type="tel"],input[type="number"],input[type="search"],input[type="datetime-local"],input[type="date"],select,textarea{border:1px solid var(--line);border-radius:11px;padding:11px 14px;font:inherit;background:#fff;color:var(--ink);transition:border-color .15s,box-shadow .15s}
[data-theme="dark"] .field input,[data-theme="dark"] input,[data-theme="dark"] select,[data-theme="dark"] textarea{background:#0f2227;color:var(--ink)}
::placeholder{color:#8a9aa1}
.field small{color:var(--muted);font-weight:400;line-height:1.4}

/* Cartões e métricas */
.card,.metric{box-shadow:var(--ux-card-shadow);transition:border-color .15s,box-shadow .15s}
.card{padding:clamp(18px,2.2vw,26px)}
.metric:hover{border-color:var(--ux-teal-line)}
.page-heading{margin-bottom:clamp(18px,3vw,30px);align-items:flex-end}
.page-heading h1{font-size:clamp(24px,3vw,34px);line-height:1.15;margin:4px 0 6px}
.page-heading p:not(.eyebrow){color:var(--muted);max-width:62ch;margin:0}
.eyebrow{letter-spacing:.14em}
.pill{border-radius:99px}
.notice{border:1px solid var(--ux-teal-line)}

/* Menu lateral agrupado (mesmos itens, mesma ordem de ações) */
.sidebar nav{gap:2px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#2c4a53 transparent;margin-right:-8px;padding-right:8px}
.sidebar-foot{flex-shrink:0}
.nav-group{font-size:10px;letter-spacing:.12em;font-weight:700;color:#8ea6ac;padding:14px 10px 4px;list-style:none;pointer-events:none;user-select:none}
.nav-group:first-child{padding-top:4px}
.sidebar nav button{position:relative;min-height:40px;transition:background .15s,color .15s}
.sidebar nav button:hover{background:rgba(255,255,255,.07);color:#fff}
.sidebar nav button.active{background:rgba(213,245,102,.12);color:var(--lime)}
.sidebar nav button.active:before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--lime)}
.sidebar nav button:focus-visible{outline-color:var(--lime)}
.sidebar nav button .pill,.sidebar nav button b.pill{font-size:10px!important;padding:1px 7px!important;border-radius:99px!important;letter-spacing:.02em}
.menu-collapsed .nav-group{display:none}

/* Barra superior e avisos: um por vez, com saída */
.topbar{box-shadow:0 1px 0 var(--line)}
body:has(#offline-bar:not(.hide)) #cemig-disconnected-bar{display:none!important}
#cemig-disconnected-bar{position:sticky;top:0;z-index:99;padding-right:48px}
#cemig-disconnected-bar.ux-dismissed{display:none!important}
.ux-dismiss{position:absolute;top:8px;right:8px;min-height:32px;min-width:32px;width:32px;height:32px;padding:0;border:0;border-radius:8px;background:transparent;color:inherit;font-size:20px;line-height:1;opacity:.7}
.ux-dismiss:hover{opacity:1;background:rgba(0,0,0,.06)}

/* Tabelas */
table{border-collapse:collapse}
th{font-size:12px;letter-spacing:.02em}
tbody tr{transition:background .12s}
.table-wrap,.history-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* Tela de entrada (visitante): mesmos textos, mais respiro e confiança */
.auth-intro h1{font-size:clamp(30px,3.6vw,46px);line-height:1.1}
.auth-intro>p:not(.eyebrow){color:#c6d6da;line-height:1.65;max-width:46ch}
.auth-features p{align-items:flex-start}
.auth-steps{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:10px;position:relative;z-index:1}
.auth-steps li{display:flex;gap:12px;align-items:center;color:#d6e3e6;font-size:14px}
.auth-steps b{width:26px;height:26px;border-radius:50%;background:var(--lime);color:var(--ink);display:inline-grid;place-items:center;font-size:12px;flex:none}
.auth-links{display:flex;gap:10px 18px;flex-wrap:wrap;margin-top:22px;position:relative;z-index:1;font-size:13px}
.auth-links a{color:var(--lime);text-decoration:underline;text-underline-offset:3px}
.auth-trust{display:flex;gap:8px 14px;flex-wrap:wrap;justify-content:center;margin:14px 0 0;padding:0;list-style:none;font-size:12px;color:var(--muted)}
.auth-trust li:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:6px;vertical-align:middle}
.login-screen{box-shadow:0 20px 50px -30px rgba(19,46,54,.35)}

/* Estados vazios e conteúdo vindo de módulos */
.empty-state,.empty{border:1px dashed var(--ux-teal-line);background:var(--ux-teal-soft);border-radius:16px;padding:24px;text-align:center;color:var(--muted)}

/* Celular: barra inferior com indicador, sem rótulos de grupo, respeito à área segura */
@media(max-width:700px){
  main{padding-left:14px;padding-right:14px}
  .nav-group{display:none}
  .sidebar{padding-bottom:env(safe-area-inset-bottom)}
  .sidebar nav{overflow-x:auto;overflow-y:hidden;margin:0;padding:0 6px;gap:2px;scroll-snap-type:x proximity;scrollbar-width:none}
  .sidebar nav::-webkit-scrollbar{display:none}
  .sidebar nav button{flex:0 0 auto;min-width:72px;min-height:56px;padding:6px 4px;flex-direction:column;justify-content:center;gap:2px;font-size:10px;line-height:1.15;text-align:center;scroll-snap-align:start;color:var(--muted)}
  .sidebar #navigation button:not(.hide){display:flex!important}
  .sidebar #navigation button{flex:0 0 76px!important;width:76px!important;min-width:76px!important;max-width:76px!important;white-space:normal!important;overflow:hidden;overflow-wrap:anywhere;font-size:10px!important;line-height:1.1;padding:6px 2px!important}
  .sidebar nav button.active{color:var(--teal);background:var(--ux-teal-soft)}
  .floating-support-btn{bottom:calc(86px + env(safe-area-inset-bottom))!important}
  .sidebar nav button.active:before{left:20%;right:20%;top:0;bottom:auto;width:auto;height:3px;border-radius:0 0 4px 4px}
  .page-heading{flex-direction:column;align-items:flex-start;gap:10px}
  .card{border-radius:16px}
}
@media print{.skip-link,.ux-dismiss{display:none!important}}

/* ===== v2: hierarquia de página, visão geral, índice e ajuda por tela ===== */
:root{--ux-side:#102b33;--ux-lime-soft:rgba(213,245,102,.16)}
[data-theme="dark"]{--ux-side:#0a1e24}
.card,.metric,.notice,.sync-banner,.welcome-panel{border-radius:18px}
.card h2,.card h3{letter-spacing:-.005em}
.page-heading h1{font-weight:650}
.page-heading .primary,.page-heading .secondary{white-space:nowrap}

body:not(.auth-page)[data-ux-view="overview"] #content{display:flex;flex-direction:column;gap:18px}
body:not(.auth-page)[data-ux-view="overview"] #content>*{margin-top:0!important;margin-bottom:0!important}
body:not(.auth-page)[data-ux-view="overview"] #content>.page-heading{order:-4}
body:not(.auth-page)[data-ux-view="overview"] #content>.notice{order:-3}
body:not(.auth-page)[data-ux-view="overview"] #content>.ux-hero{order:-2}
body:not(.auth-page)[data-ux-view="overview"] #content>.sync-banner{order:-1}
body:not(.auth-page)[data-ux-view="overview"] #content>.ux-intro,body:not(.auth-page)[data-ux-view="overview"] #content>.ux-toc{order:-4}

.ux-hero{background:var(--ux-side)!important;border:1px solid var(--ux-side)!important;color:#fff;box-shadow:0 18px 40px -26px rgba(16,43,51,.8)}
.ux-hero>div:first-child strong[style*="var(--ink)"]{color:#fff!important}
.ux-hero .pill{border:1px solid rgba(255,255,255,.14)}
.ux-hero .primary{background:var(--lime)!important;color:var(--ink)!important;border:0}
.ux-hero [style*="background:var(--bg)"]{background:#fff!important;border-color:transparent!important;color:var(--ink)}
.ux-hero [style*="background:rgba(8,124,120,0.05)"]{background:rgba(255,255,255,.08)!important;color:#e7f0f2!important}
.ux-hero [style*="background:rgba(8,124,120,0.05)"] b,.ux-hero [style*="background:rgba(8,124,120,0.05)"] strong{color:var(--lime)!important}

.ux-intro{display:flex;gap:14px;align-items:flex-start;background:var(--ux-teal-soft);border:1px solid var(--ux-teal-line);border-radius:16px;padding:14px 18px;margin:0 0 18px;color:var(--ink);line-height:1.55}
.ux-intro>b{flex:none;width:26px;height:26px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:13px}
.ux-intro p{margin:0;font-size:14px}.ux-intro p+p{margin-top:4px;color:var(--muted);font-size:13px}
.ux-toc{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px;padding:0;list-style:none}
.ux-toc-label{flex-basis:100%;font-size:11px;letter-spacing:.14em;font-weight:700;color:var(--muted);margin:0}
.ux-toc a{display:inline-flex;align-items:center;min-height:36px;padding:6px 14px;border:1px solid var(--line);border-radius:99px;background:var(--card,#fff);color:var(--ink);font-size:13px;text-decoration:none;transition:border-color .15s,color .15s,background .15s}
.ux-toc a:hover,.ux-toc a:focus-visible{border-color:var(--teal);color:var(--teal);background:var(--ux-teal-soft)}
#content h2[id],#content h3[id]{scroll-margin-top:96px}

/* barra superior: unidade, sessão e ações com mais respiro */
.topbar{gap:12px}
.top-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.cemig-session-badge{border-radius:99px}

/* tabelas e listas longas respiram */
.history-table td,.history-table th{padding:12px 14px}
@media(max-width:700px){.ux-intro{padding:12px 14px}.ux-toc{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}.ux-toc a{white-space:nowrap}.ux-toc-label{flex-basis:auto;display:none}}

/* Botões flutuantes compactos: Suporte e Assistente viram bolinhas empilhadas */
.floating-support-btn,.lc-ai-launch{position:fixed!important;right:18px!important;width:46px;height:46px;padding:0!important;border-radius:50%!important;display:inline-flex;align-items:center;justify-content:center;gap:0!important;font-size:0!important;box-shadow:0 4px 14px rgba(16,43,51,.3)}
.floating-support-btn{bottom:18px!important}
.lc-ai-launch{bottom:74px!important;background:var(--teal);color:#fff;border:1.5px solid #d5f566}
.floating-support-btn span{display:none}
.floating-support-btn i,.floating-support-btn svg{width:22px!important;height:22px!important}
.lc-ai-launch:hover,.floating-support-btn:hover{transform:translateY(-2px)}
@media(max-width:700px){.floating-support-btn{bottom:calc(86px + env(safe-area-inset-bottom))!important;right:12px!important}.lc-ai-launch{bottom:calc(140px + env(safe-area-inset-bottom))!important;right:12px!important}}

/* Resumo da semana e fatura prevista */
.ux-week{padding:20px 24px}.ux-week-head{display:flex;gap:14px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}.ux-week-head h2{margin:0 0 4px;font-size:18px}.ux-week-head p{margin:0;color:var(--muted);font-size:14px}
.ux-week-export{text-decoration:none;font-size:13px;white-space:nowrap}
.ux-week-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:16px}
.ux-week-item{border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:4px;min-width:0}.ux-week-item span{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.3px}.ux-week-item b{font-size:22px}.ux-week-item small{color:var(--muted);font-size:12px;line-height:1.45}
body:not(.auth-page)[data-ux-view="overview"] #content>.ux-week{order:-1}

/* Extras: família, privacidade, comparação, avaliação e modo simples */
.ux-x-card{padding:20px 24px}.ux-x-card h2{margin:0 0 6px;font-size:18px}.ux-x-card h3{margin:18px 0 6px;font-size:14px}.ux-x-card p{color:var(--muted);font-size:14px;line-height:1.6}
.ux-x-settings{display:flex;flex-direction:column;gap:18px;margin-top:18px}
.ux-x-form{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-top:12px}.ux-x-form .field{flex:1 1 240px;margin:0}
.ux-x-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.ux-x-list li{display:flex;gap:10px;align-items:center;flex-wrap:wrap;border:1px solid var(--line);border-radius:12px;padding:10px 12px}.ux-x-list li>span{flex:1 1 220px;min-width:0;overflow-wrap:anywhere;font-size:14px}
.ux-x-actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.ux-x-link{text-decoration:none;font-size:13px}
.ux-x-consent{display:flex;gap:10px;align-items:flex-start;margin-top:8px;font-size:14px;line-height:1.55}.ux-x-consent input{margin-top:4px;flex:none}
.ux-x-msg{min-height:1.2em;font-size:13px;color:var(--teal)}.ux-x-msg.bad{color:var(--red)}.ux-x-note{font-size:12.5px!important}
.ux-shared-bar{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--ink);color:#fff;padding:10px 24px;font-size:14px}.ux-shared-bar .secondary{font-size:13px}
.ux-fb{order:99;display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:24px 0 8px;padding:12px 16px;border:1px dashed var(--line);border-radius:14px;font-size:14px;color:var(--muted)}.ux-fb input{flex:1 1 220px;min-width:0}
body:not(.auth-page)[data-ux-view="overview"] #content>.ux-peer{order:-1}
#ux-simple-toggle{font-size:12px;white-space:nowrap}
html[data-ux-simple="1"] #navigation button[data-view]:not([data-view="overview"]):not([data-view="alerts"]):not([data-view="energy"]):not([data-view="consumption"]):not([data-view="outage"]):not([data-view="plans"]):not([data-view="settings"]):not([data-view="admin"]){display:none!important}
html[data-ux-simple="1"] #navigation .nav-group,html[data-ux-simple="1"] .ux-toc{display:none!important}
@media(max-width:700px){#ux-simple-toggle{padding:6px 8px}.ux-shared-bar{padding:10px 16px}}
html[data-ux-shared="1"] #btn-reconnect-cemig-bar,html[data-ux-shared="1"] #top-cemig-session{display:none!important}

/* IA da Luz Clara: cartões que explicam os dados reais */
.ux-ai{display:grid;gap:10px;margin-block:16px}
.ux-ai h2{margin:0}
.ux-ai-intro{margin:0;color:var(--muted)}
.ux-ai-bill{width:100%;min-height:120px;resize:vertical}
.ux-ai-actions{display:flex;flex-wrap:wrap;gap:8px}
.ux-ai-out:empty{display:none}
.ux-ai-out{background:var(--soft,rgba(8,124,120,.07));border-radius:12px;padding:12px 14px}
.ux-ai-out.bad{color:#b42318}
.ux-ai-text{margin:0 0 6px;white-space:pre-line;line-height:1.55}
.ux-ai-src{color:var(--muted)}