/* ── Reset e base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --azul:        #0F3460;
  --azul-med:    #1A6EA8;
  --azul-claro:  #E6F1FB;
  --verde:       #1D9E75;
  --vermelho:    #E24B4A;
  --amarelo:     #BA7517;
  --cinza-escuro:#444441;
  --cinza:       #888780;
  --cinza-claro: #F1EFE8;
  --branco:      #FFFFFF;
  --sidebar-w:   220px;
  --radius:      10px;
  --shadow:      0 2px 8px rgba(0,0,0,.08);
}
body { font-family: Arial, sans-serif; font-size: 14px;
       color: var(--cinza-escuro); background: #F4F6FA; }
a { color: var(--azul-med); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout principal ─────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); background: var(--azul);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
}
.sidebar-brand {
  padding: 20px 16px; display: flex; align-items: center; gap: 10px;
  color: #fff; font-size: 18px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.1);
}
.brand-icon { font-size: 22px; }
.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 18px; color: rgba(255,255,255,.75);
  font-size: 13.5px; transition: background .15s;
}
.nav-item:hover, .nav-item.active {
  background: rgba(255,255,255,.12); color: #fff; text-decoration: none;
}
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-footer {
  padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-direction: column; gap: 6px;
}
.sidebar-user { color: rgba(255,255,255,.7); font-size: 12px; }
.btn-logout {
  font-size: 12px; color: rgba(255,255,255,.6); padding: 4px 0;
}
.btn-logout:hover { color: #fff; text-decoration: none; }

/* ── Conteudo principal ───────────────────────────────────── */
.main-content { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }
.topbar {
  background: var(--branco); border-bottom: 1px solid #e0ddd5;
  padding: 14px 28px; display: flex; justify-content: space-between;
  align-items: center; position: sticky; top: 0; z-index: 50;
}
.page-title { font-size: 17px; font-weight: 600; color: var(--azul); }
.content-body { padding: 24px 28px; }

/* ── Badges de plano ──────────────────────────────────────── */
.badge-plano { font-size: 11px; font-weight: 700; padding: 3px 10px;
               border-radius: 20px; letter-spacing: .5px; }
.badge-basico    { background: #E6F1FB; color: #0C447C; }
.badge-pro       { background: #E2EFDA; color: #27500A; }
.badge-enterprise{ background: #FAEEDA; color: #633806; }

/* ── Alertas flash ────────────────────────────────────────── */
.alert { padding: 10px 16px; border-radius: var(--radius);
         margin-bottom: 14px; font-size: 13.5px; }
.alert-success { background: #E2EFDA; color: #27500A; border-left: 4px solid var(--verde); }
.alert-danger   { background: #FCEBEB; color: #791F1F; border-left: 4px solid var(--vermelho); }
.alert-info     { background: #E6F1FB; color: #0C447C; border-left: 4px solid var(--azul-med); }
.alert-warning  { background: #FAEEDA; color: #633806; border-left: 4px solid var(--amarelo); }

/* ── Cards ────────────────────────────────────────────────── */
.card { background: var(--branco); border-radius: var(--radius);
        box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.card-title { font-size: 14px; font-weight: 600; color: var(--azul);
              margin-bottom: 14px; padding-bottom: 8px;
              border-bottom: 1px solid #ece9e1; }

/* ── Cards de KPI (topo do dashboard) ────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px; margin-bottom: 24px; }
.kpi-card { background: var(--branco); border-radius: var(--radius);
            box-shadow: var(--shadow); padding: 18px 20px;
            display: flex; flex-direction: column; gap: 4px; }
.kpi-label  { font-size: 12px; color: var(--cinza); font-weight: 500; text-transform: uppercase; letter-spacing: .5px; }
.kpi-value  { font-size: 28px; font-weight: 700; color: var(--azul); }
.kpi-sub    { font-size: 12px; color: var(--cinza); }
.kpi-online { color: var(--verde); }
.kpi-alerta { color: var(--vermelho); }

/* ── Grid de dispositivos ─────────────────────────────────── */
.disp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.disp-card {
  background: var(--branco); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 16px; position: relative;
  border-top: 3px solid var(--azul-med);
}
.disp-card.offline { border-top-color: var(--cinza); }
.disp-card.alerta  { border-top-color: var(--vermelho); }
.disp-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.disp-nome   { font-size: 14px; font-weight: 600; color: var(--azul); }
.disp-id     { font-size: 11px; color: var(--cinza); font-family: monospace; }
.disp-loc    { font-size: 12px; color: var(--cinza); margin-bottom: 10px; }
.disp-leit   { display: flex; gap: 16px; }
.leit-temp, .leit-hum { display: flex; flex-direction: column; }
.leit-val    { font-size: 22px; font-weight: 700; color: var(--azul-escuro, var(--azul)); }
.leit-unit   { font-size: 11px; color: var(--cinza); }
.status-dot  { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.status-dot.online  { background: var(--verde); }
.status-dot.offline { background: var(--cinza); }
.disp-footer { margin-top: 12px; padding-top: 10px; border-top: 1px solid #ece9e1;
               display: flex; justify-content: space-between; align-items: center; }
.disp-ts     { font-size: 11px; color: var(--cinza); }

/* ── Tabelas ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--azul); color: #fff; padding: 9px 12px;
           text-align: left; font-size: 12px; font-weight: 600; }
tbody tr { border-bottom: 1px solid #ece9e1; }
tbody tr:hover { background: var(--cinza-claro); }
tbody td { padding: 9px 12px; font-size: 13px; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px;
         font-size: 11px; font-weight: 600; }
.badge-danger  { background: #FCEBEB; color: #791F1F; }
.badge-warning { background: #FAEEDA; color: #633806; }
.badge-success { background: #E2EFDA; color: #27500A; }
.badge-info    { background: #E6F1FB; color: #0C447C; }

/* ── Formularios ──────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600;
                    color: var(--cinza-escuro); margin-bottom: 5px; }
.form-control {
  width: 100%; padding: 9px 12px; border: 1px solid #ccc;
  border-radius: 7px; font-size: 13.5px; background: #fff;
  transition: border-color .15s;
}
.form-control:focus { outline: none; border-color: var(--azul-med);
                      box-shadow: 0 0 0 3px rgba(26,110,168,.15); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 11.5px; color: var(--cinza); margin-top: 4px; }
.form-check { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.form-check input[type=checkbox] { width: 16px; height: 16px; cursor: pointer; }

/* ── Botoes ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 7px; font-size: 13.5px;
  font-weight: 600; cursor: pointer; border: none; transition: opacity .15s;
  text-decoration: none;
}
.btn:hover { opacity: .88; text-decoration: none; }
.btn-primary  { background: var(--azul-med); color: #fff; }
.btn-success  { background: var(--verde);    color: #fff; }
.btn-danger   { background: var(--vermelho); color: #fff; }
.btn-outline  { background: transparent; color: var(--azul-med);
                border: 1px solid var(--azul-med); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Paginas de login / cadastro ──────────────────────────── */
.auth-wrapper {
  min-height: 100vh; display: flex; align-items: center;
  justify-content: center; background: var(--azul);
}
.auth-card {
  background: #fff; border-radius: 14px; padding: 36px 40px;
  width: 100%; max-width: 420px; box-shadow: 0 8px 32px rgba(0,0,0,.18);
}
.auth-logo { text-align: center; margin-bottom: 6px; font-size: 28px;
             color: var(--azul); font-weight: 700; }
.auth-sub  { text-align: center; color: var(--cinza); font-size: 13px;
             margin-bottom: 26px; }

/* ── Graficos ─────────────────────────────────────────────── */
.chart-container { position: relative; height: 260px; margin-top: 6px; }
.chart-toolbar   { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.chart-btn { padding: 4px 12px; border-radius: 20px; font-size: 12px;
             border: 1px solid #ccc; background: #fff; cursor: pointer; }
.chart-btn.active { background: var(--azul-med); color: #fff; border-color: var(--azul-med); }

/* ── Responsivo ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { width: 100%; height: auto; position: relative; flex-direction: row; flex-wrap: wrap; }
  .main-content { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}