:root {
    --bg: #0a0e14;
    --bg-elevado: #0d1219;
    --card: #12181f;
    --card-borda: #1f2731;
    --texto: #e6edf3;
    --texto-suave: #8b98a5;
    --texto-fraco: #5b6672;
    --borda: #1f2731;
    --azul: #3b82f6;
    --azul-brilho: #60a5fa;
    --laranja: #f2811d;
    --verde: #22c55e;
    --verde-brilho: #4ade80;
    --cinza: #64748b;
    --vermelho: #ef4444;
    --roxo: #a78bfa;
    --sidebar-bg: #060a0f;
    --sidebar-texto: #a3adba;
    --sidebar-texto-suave: #5b6672;
    --sidebar-ativo: #131a23;
    --fonte-ui: "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --fonte-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--fonte-ui);
    background: var(--bg);
    color: var(--texto);
    -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------------- */
/* Layout com menu lateral */
/* ---------------------------------------------------------------------- */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    flex-shrink: 0;
    background: var(--sidebar-bg);
    color: var(--sidebar-texto);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    border-right: 1px solid var(--card-borda);
}

.sidebar-marca {
    padding: 20px 20px 18px;
    border-bottom: 1px solid var(--card-borda);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-marca a {
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: 0.01em;
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-marca svg { flex-shrink: 0; }
.sidebar-marca .marca-texto { display: flex; flex-direction: column; line-height: 1.15; }
.sidebar-marca .marca-sub {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--laranja);
    text-transform: uppercase;
    font-family: var(--fonte-mono);
}

.sidebar-nav {
    flex: 1;
    padding: 14px 0;
}

.item-nivel1 {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--sidebar-texto);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
}
.item-nivel1:hover { background: var(--sidebar-ativo); color: #fff; }
.item-nivel1.ativo { background: var(--sidebar-ativo); color: #fff; border-left: 3px solid var(--laranja); }

/* Dropdown lateral (menus 2/3/4: Empresas, Utilitários, Configurações) */
.dropdown-menu, .dropdown-submenu { border: none; }
.dropdown-menu > summary, .dropdown-submenu > summary { list-style: none; cursor: pointer; }
.dropdown-menu > summary::-webkit-details-marker,
.dropdown-submenu > summary::-webkit-details-marker { display: none; }

.dropdown-titulo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 20px;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: var(--sidebar-texto-suave);
    font-family: var(--fonte-mono);
}
.dropdown-titulo:hover { color: #fff; }
.dropdown-titulo.ativo { color: var(--laranja); }
.dropdown-titulo::after {
    content: "\25BE";
    font-size: 0.68rem;
    transition: transform 0.15s ease;
    opacity: 0.6;
}
details[open] > .dropdown-titulo::after { transform: rotate(180deg); }

.dropdown-titulo-nivel2 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 20px 8px 32px;
    font-size: 0.86rem;
    color: var(--sidebar-texto);
}
.dropdown-titulo-nivel2:hover { background: var(--sidebar-ativo); color: #fff; }
.dropdown-titulo-nivel2.ativo { background: var(--sidebar-ativo); color: #fff; }
.dropdown-titulo-nivel2::after {
    content: "\25BE";
    font-size: 0.62rem;
    transition: transform 0.15s ease;
    opacity: 0.6;
}
details[open] > .dropdown-titulo-nivel2::after { transform: rotate(180deg); }

.dropdown-itens { display: flex; flex-direction: column; }

.titulo-subgrupo-nivel2 {
    padding: 6px 20px 2px 44px;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--sidebar-texto-suave);
    font-family: var(--fonte-mono);
}
.item-nivel2 {
    display: block;
    padding: 8px 20px 8px 32px;
    color: var(--sidebar-texto);
    text-decoration: none;
    font-size: 0.87rem;
    border-left: 3px solid transparent;
}
.item-nivel3 {
    display: block;
    padding: 7px 20px 7px 44px;
    color: var(--sidebar-texto);
    text-decoration: none;
    font-size: 0.85rem;
    border-left: 3px solid transparent;
}
.item-nivel2:hover, .item-nivel3:hover { background: var(--sidebar-ativo); color: #fff; }
.item-nivel2.ativo, .item-nivel3.ativo {
    background: var(--sidebar-ativo);
    color: var(--laranja);
    border-left: 3px solid var(--laranja);
}

.sidebar-rodape {
    padding: 14px 20px;
    border-top: 1px solid var(--card-borda);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
}
.sidebar-rodape .usuario-logado { color: var(--sidebar-texto-suave); font-family: var(--fonte-mono); font-size: 0.78rem; }
.sidebar-rodape a { color: var(--sidebar-texto); text-decoration: none; }
.sidebar-rodape a:hover { color: var(--laranja); }

.conteudo {
    flex: 1;
    padding: 30px 36px;
    max-width: 1280px;
    min-width: 0;
}

.conteudo-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 20%, rgba(59,130,246,0.10), transparent 45%),
        radial-gradient(circle at 80% 80%, rgba(242,129,29,0.08), transparent 45%),
        var(--bg);
}

/* ---------------------------------------------------------------------- */
/* Cabeçalhos, cards */
/* ---------------------------------------------------------------------- */
h1 {
    font-size: 1.3rem;
    margin: 0 0 6px;
    font-weight: 700;
    letter-spacing: -0.01em;
}
h2 {
    font-size: 0.78rem;
    margin: 32px 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--texto-suave);
    font-family: var(--fonte-mono);
    font-weight: 600;
}
h3 { font-size: 0.95rem; margin: 18px 0 8px; }

.cabecalho-pagina {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 14px;
    margin: 18px 0 28px;
}
.card {
    background: var(--card);
    border: 1px solid var(--card-borda);
    border-radius: 10px;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--azul), var(--laranja));
    opacity: 0.7;
}
.card-rotulo {
    font-size: 0.7rem;
    color: var(--texto-suave);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--fonte-mono);
}
.card-valor {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--fonte-mono);
    letter-spacing: -0.02em;
    color: var(--texto);
}
.card-valor-pequeno { font-size: 0.95rem; font-weight: 600; }
.card-valor-verde { color: var(--verde-brilho); text-shadow: 0 0 18px rgba(34,197,94,0.35); }
.card-valor-cinza { color: var(--cinza); }
.card-valor-vermelho { color: var(--vermelho); text-shadow: 0 0 18px rgba(239,68,68,0.35); }

/* Card "hero" de status (ex: serviço OpenVPN) — barra cheia estilo painel de monitoramento */
.card-status {
    grid-column: span 2;
    align-items: center;
    justify-content: center;
    flex-direction: row;
    gap: 10px;
    text-align: center;
    border: none;
    border-radius: 10px;
    padding: 18px 20px;
}
.card-status::before { display: none; }
.card-status .card-status-valor {
    font-family: var(--fonte-mono);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.card-status-ativo { background: linear-gradient(135deg, #14532d, #16a34a); color: #eafff1; }
.card-status-inativo { background: linear-gradient(135deg, #450a0a, #dc2626); color: #fff1f1; }
@media (max-width: 600px) { .card-status { grid-column: span 1; } }

/* ---------------------------------------------------------------------- */
/* Login */
/* ---------------------------------------------------------------------- */
.caixa-login {
    max-width: 340px;
    padding: 36px;
    background: var(--card);
    border-radius: 14px;
    border: 1px solid var(--card-borda);
    box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}
.caixa-login h1 {
    font-size: 1.15rem;
    text-align: center;
    text-transform: none;
    margin-bottom: 24px;
}

/* ---------------------------------------------------------------------- */
/* Formulários */
/* ---------------------------------------------------------------------- */
form label {
    display: block;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: var(--texto-suave);
}
form input[type=text], form input[type=password], form input[type=file],
form input[type=time], form select {
    width: 100%;
    max-width: 420px;
    padding: 10px 12px;
    margin-top: 5px;
    border: 1px solid var(--card-borda);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg-elevado);
    color: var(--texto);
}
form input:focus, form select:focus {
    outline: none;
    border-color: var(--azul);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}
form input:disabled { background: var(--bg); color: var(--texto-fraco); }

.form-loja { max-width: 480px; }

.form-busca {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.form-busca input[type=text] {
    margin-top: 0;
    max-width: 320px;
}
.form-busca select { margin-top: 0; max-width: 200px; }
.botao-secundario {
    background: var(--bg-elevado);
    color: var(--texto-suave);
    border: 1px solid var(--card-borda);
}

.fieldset-permissoes {
    border: 1px solid var(--card-borda);
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 16px;
    background: var(--bg-elevado);
}
.fieldset-permissoes legend { font-size: 0.8rem; color: var(--texto-suave); padding: 0 6px; }
.opcao-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.92rem;
    color: var(--texto);
}
.opcao-checkbox input { width: auto; margin: 0; accent-color: var(--azul); }

button, .botao {
    display: inline-block;
    background: var(--azul);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: filter 0.12s ease, transform 0.05s ease;
}
button:hover, .botao:hover { filter: brightness(1.12); }
button:active, .botao:active { transform: translateY(1px); }
.botao-perigo { background: var(--vermelho); }
.botao-pequeno { padding: 6px 12px; font-size: 0.78rem; }
button:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }
.botao-desabilitado { opacity: 0.35; pointer-events: none; }

.celula-acoes { display: flex; gap: 6px; align-items: center; white-space: nowrap; }
.celula-acoes form { display: inline; }

.acoes { display: flex; gap: 10px; align-items: center; }

/* ---------------------------------------------------------------------- */
/* Tabelas */
/* ---------------------------------------------------------------------- */
.resumo { color: var(--texto-suave); margin-top: -4px; font-family: var(--fonte-mono); font-size: 0.85rem; }

.tabela-scroll { overflow-x: auto; border-radius: 10px; }

.tabela-lojas, .tabela-detalhe {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border: 1px solid var(--card-borda);
    border-radius: 10px;
    overflow: hidden;
}
.tabela-lojas th, .tabela-lojas td,
.tabela-detalhe th, .tabela-detalhe td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--card-borda);
    text-align: left;
    white-space: nowrap;
}
.tabela-lojas tbody tr:hover { background: rgba(59,130,246,0.06); }
.tabela-lojas tbody tr:last-child td, .tabela-detalhe tr:last-child td { border-bottom: none; }
.tabela-lojas th {
    font-size: 0.68rem;
    color: var(--texto-suave);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-family: var(--fonte-mono);
    background: var(--bg-elevado);
}
.tabela-lojas td, .tabela-detalhe td { font-family: var(--fonte-mono); font-size: 0.88rem; }
.tabela-detalhe th {
    width: 180px;
    color: var(--texto-suave);
    white-space: normal;
    font-family: var(--fonte-ui);
    font-size: 0.85rem;
}
.linha-inativa { opacity: 0.45; }

.tabela-lojas a, .tabela-detalhe a { color: var(--azul-brilho); text-decoration: none; }
.tabela-lojas a:hover, .tabela-detalhe a:hover { text-decoration: underline; }

.bolinha {
    display: inline-block;
    width: 9px; height: 9px;
    border-radius: 50%;
}
.bolinha-online { background: var(--verde-brilho); box-shadow: 0 0 8px rgba(74,222,128,0.7); }
.bolinha-offline { background: var(--cinza); }
.bolinha-revogada { background: var(--vermelho); box-shadow: 0 0 8px rgba(239,68,68,0.6); }

/* ---------------------------------------------------------------------- */
/* Abas (logs) */
/* ---------------------------------------------------------------------- */
.abas { display: flex; gap: 4px; }
.abas a {
    padding: 7px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--texto-suave);
    background: var(--card);
    border: 1px solid var(--card-borda);
    font-size: 0.84rem;
    font-family: var(--fonte-mono);
}
.abas a.aba-ativa { background: var(--azul); color: #fff; border-color: var(--azul); }

.caixa-log {
    background: #05070a;
    color: #9be3a0;
    padding: 18px;
    border-radius: 10px;
    border: 1px solid var(--card-borda);
    overflow-x: auto;
    font-family: var(--fonte-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    max-height: 70vh;
}

/* ---------------------------------------------------------------------- */
/* Flashes */
/* ---------------------------------------------------------------------- */
.flashes { margin-bottom: 16px; }
.flash {
    padding: 11px 16px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    border: 1px solid transparent;
}
.flash-ok { background: rgba(34,197,94,0.12); color: #4ade80; border-color: rgba(34,197,94,0.3); }
.flash-erro { background: rgba(239,68,68,0.12); color: #f87171; border-color: rgba(239,68,68,0.3); }

.ajuda { color: var(--texto-suave); font-size: 0.87rem; max-width: 560px; }
.ajuda code {
    background: var(--bg-elevado);
    border: 1px solid var(--card-borda);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: var(--fonte-mono);
    font-size: 0.85em;
    color: var(--azul-brilho);
}

@media (max-width: 820px) {
    .layout { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; }
    .conteudo { padding: 20px; }
}