/* ==========================================================================
   SGIA — Design System "Diocélio Goulart"
   Extraído do manual de marca: verde teal, azul navy, cards arredondados,
   labels uppercase com letter-spacing, tipografia bold.
   ========================================================================== */

:root {
  /* Cores primárias (Design System) */
  --ds-verde: #2A7A66;
  --ds-verde-hover: #226A58;
  --ds-verde-claro: #E8F2EF;
  --ds-navy: #23466B;
  --ds-navy-escuro: #182F49;
  --ds-navy-profundo: #0E1E33;

  /* Neutros */
  --ds-fundo: #F4F6F7;
  --ds-card: #FFFFFF;
  --ds-texto: #1F2937;
  --ds-texto-secundario: #6B7280;
  --ds-borda: #E3E8EB;

  /* Semânticas (riscos) */
  --ds-perigo: #C0392B;
  --ds-perigo-claro: #FDECEA;
  --ds-alerta: #B7791F;
  --ds-alerta-claro: #FEF3DE;
  --ds-sucesso: #2A7A66;
  --ds-sucesso-claro: #E8F2EF;
  --ds-info: #23466B;
  --ds-info-claro: #E9F0F7;

  /* Forma */
  --ds-radius: 16px;
  --ds-radius-sm: 10px;
  --ds-radius-pill: 999px;
  --ds-sombra: 0 1px 3px rgba(24, 47, 73, 0.06), 0 4px 16px rgba(24, 47, 73, 0.05);
  --ds-sombra-hover: 0 4px 8px rgba(24, 47, 73, 0.08), 0 12px 28px rgba(24, 47, 73, 0.10);

  /* Tipografia */
  --ds-fonte: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--ds-fonte);
  background: var(--ds-fundo);
  color: var(--ds-texto);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ds-verde); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ==========================================================================
   Header (fiel ao design system: branco, logo, menu, botão verde)
   ========================================================================== */

.ds-header {
  background: var(--ds-card);
  border-bottom: 1px solid var(--ds-borda);
  position: sticky;
  top: 0;
  z-index: 100;
}

.ds-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.ds-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  color: var(--ds-navy-escuro);
  letter-spacing: -0.02em;
}

.ds-logo:hover { text-decoration: none; }

.ds-logo-badge {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--ds-verde), var(--ds-navy));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
}

.ds-logo small {
  display: block;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ds-texto-secundario);
}

.ds-nav {
  display: flex;
  gap: 4px;
  flex: 1;
}

.ds-nav a {
  padding: 8px 16px;
  border-radius: var(--ds-radius-pill);
  color: var(--ds-texto-secundario);
  font-weight: 500;
  font-size: 14px;
  transition: all 0.15s ease;
}

.ds-nav a:hover {
  color: var(--ds-navy);
  background: var(--ds-fundo);
  text-decoration: none;
}

.ds-nav a.ativo {
  color: var(--ds-verde);
  background: var(--ds-verde-claro);
  font-weight: 600;
}

.ds-usuario {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ds-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ds-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
}

.ds-usuario-info { line-height: 1.25; }
.ds-usuario-info strong { font-size: 13px; color: var(--ds-navy-escuro); display: block; }
.ds-usuario-info span { font-size: 11px; color: var(--ds-texto-secundario); }

/* ==========================================================================
   Layout
   ========================================================================== */

.ds-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 32px 80px;
}

.ds-page-head {
  margin-bottom: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* Label de seção — uppercase, letter-spacing, verde (marca do DS) */
.ds-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ds-verde);
  margin-bottom: 10px;
}

.ds-titulo {
  font-size: 34px;
  font-weight: 800;
  color: var(--ds-navy-escuro);
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.ds-subtitulo {
  color: var(--ds-texto-secundario);
  margin-top: 8px;
  max-width: 640px;
}

/* ==========================================================================
   Cards (brancos, radius 16px, sombra suave — marca do DS)
   ========================================================================== */

.ds-card {
  background: var(--ds-card);
  border: 1px solid var(--ds-borda);
  border-radius: var(--ds-radius);
  box-shadow: var(--ds-sombra);
  padding: 28px;
}

.ds-card-hover { transition: box-shadow 0.2s ease, transform 0.2s ease; }
.ds-card-hover:hover {
  box-shadow: var(--ds-sombra-hover);
  transform: translateY(-2px);
}

.ds-grid {
  display: grid;
  gap: 20px;
}

.ds-grid-2 { grid-template-columns: repeat(2, 1fr); }
.ds-grid-3 { grid-template-columns: repeat(3, 1fr); }
.ds-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .ds-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ds-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .ds-grid-4, .ds-grid-3, .ds-grid-2 { grid-template-columns: 1fr; }
  .ds-container { padding: 24px 16px 60px; }
  .ds-header-inner { padding: 0 16px; gap: 16px; }
  .ds-nav { display: none; }
  .ds-titulo { font-size: 26px; }
}

/* ==========================================================================
   Botões (verde, radius 10-12px — marca do DS)
   ========================================================================== */

.ds-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--ds-radius-sm);
  font-family: var(--ds-fonte);
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.ds-btn:hover { text-decoration: none; }

.ds-btn-primario {
  background: var(--ds-verde);
  color: #fff;
}

.ds-btn-primario:hover {
  background: var(--ds-verde-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(42, 122, 102, 0.28);
}

.ds-btn-outline {
  background: transparent;
  border-color: var(--ds-navy);
  color: var(--ds-navy);
}

.ds-btn-outline:hover {
  background: var(--ds-navy);
  color: #fff;
}

.ds-btn-neutro {
  background: var(--ds-fundo);
  color: var(--ds-texto);
  border-color: var(--ds-borda);
}

.ds-btn-neutro:hover { background: var(--ds-borda); }

.ds-btn-sm { padding: 8px 16px; font-size: 13px; }

/* ==========================================================================
   Badges e chips (pill, verde/navy — marca do DS)
   ========================================================================== */

.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--ds-radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.ds-badge-verde { background: var(--ds-verde); color: #fff; }
.ds-badge-verde-claro { background: var(--ds-verde-claro); color: var(--ds-verde); }
.ds-badge-navy { background: var(--ds-navy); color: #fff; }
.ds-badge-info { background: var(--ds-info-claro); color: var(--ds-info); }
.ds-badge-alerta { background: var(--ds-alerta-claro); color: var(--ds-alerta); }
.ds-badge-perigo { background: var(--ds-perigo-claro); color: var(--ds-perigo); }
.ds-badge-neutro { background: var(--ds-fundo); color: var(--ds-texto-secundario); }

/* Classes de risco R1–R5 */
.ds-risco-R1 { background: #E8F2EF; color: #2A7A66; }
.ds-risco-R2 { background: #E9F0F7; color: #23466B; }
.ds-risco-R3 { background: #FEF3DE; color: #B7791F; }
.ds-risco-R4 { background: #FDECEA; color: #C0392B; }
.ds-risco-R5 { background: #C0392B; color: #fff; }

/* ==========================================================================
   Tabelas
   ========================================================================== */

.ds-tabela-wrap {
  background: var(--ds-card);
  border: 1px solid var(--ds-borda);
  border-radius: var(--ds-radius);
  box-shadow: var(--ds-sombra);
  overflow: hidden;
}

.ds-tabela {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.ds-tabela th {
  text-align: left;
  padding: 14px 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ds-texto-secundario);
  background: var(--ds-fundo);
  border-bottom: 1px solid var(--ds-borda);
}

.ds-tabela td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--ds-borda);
  vertical-align: middle;
}

.ds-tabela tr:last-child td { border-bottom: none; }
.ds-tabela tbody tr { transition: background 0.1s ease; }
.ds-tabela tbody tr:hover { background: #FAFBFC; }

/* ==========================================================================
   Formulários
   ========================================================================== */

.ds-form-grupo { margin-bottom: 20px; }

.ds-form-grupo label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ds-navy-escuro);
  margin-bottom: 6px;
}

.ds-form-grupo label small {
  font-weight: 400;
  color: var(--ds-texto-secundario);
}

.ds-input, .ds-select, .ds-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--ds-borda);
  border-radius: var(--ds-radius-sm);
  font-family: var(--ds-fonte);
  font-size: 14px;
  color: var(--ds-texto);
  background: var(--ds-card);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ds-input:focus, .ds-select:focus, .ds-textarea:focus {
  outline: none;
  border-color: var(--ds-verde);
  box-shadow: 0 0 0 3px rgba(42, 122, 102, 0.12);
}

.ds-textarea { min-height: 100px; resize: vertical; }

.ds-form-linha {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.ds-form-linha-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

@media (max-width: 640px) {
  .ds-form-linha, .ds-form-linha-3 { grid-template-columns: 1fr; }
}

/* Opções em cards (radio/checkbox visuais) */
.ds-opcoes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.ds-opcao {
  position: relative;
}

.ds-opcao input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.ds-opcao label {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px 14px;
  border: 1.5px solid var(--ds-borda);
  border-radius: var(--ds-radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--ds-texto-secundario);
  cursor: pointer;
  transition: all 0.15s ease;
  margin: 0;
  min-height: 48px;
}

.ds-opcao input:checked + label {
  border-color: var(--ds-verde);
  background: var(--ds-verde-claro);
  color: var(--ds-verde);
}

.ds-opcao label:hover { border-color: var(--ds-verde); }

/* ==========================================================================
   Componentes do Dashboard
   ========================================================================== */

/* Card de métrica (estilo "SISTEMAS ATIVOS 24" do PRD 7.1) */
.ds-metrica {
  background: var(--ds-card);
  border: 1px solid var(--ds-borda);
  border-radius: var(--ds-radius);
  box-shadow: var(--ds-sombra);
  padding: 24px;
}

.ds-metrica-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ds-texto-secundario);
}

.ds-metrica-valor {
  font-size: 40px;
  font-weight: 800;
  color: var(--ds-navy-escuro);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-top: 6px;
}

.ds-metrica-valor.destaque-perigo { color: var(--ds-perigo); }
.ds-metrica-valor.destaque-verde { color: var(--ds-verde); }

.ds-metrica-delta {
  font-size: 12px;
  color: var(--ds-texto-secundario);
  margin-top: 6px;
}

/* Barra de progresso */
.ds-progresso {
  height: 10px;
  background: var(--ds-borda);
  border-radius: var(--ds-radius-pill);
  overflow: hidden;
}

.ds-progresso-barra {
  height: 100%;
  background: linear-gradient(90deg, var(--ds-verde), #3FA48C);
  border-radius: var(--ds-radius-pill);
  transition: width 0.5s ease;
}

/* Matriz de riscos 3x4 — Mapa de Calor (heatmap navegável) */
.ds-matriz {
  display: grid;
  grid-template-columns: 100px repeat(4, 1fr);
  gap: 8px;
  align-items: stretch;
}

.ds-matriz-cab {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-texto-secundario);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

.ds-matriz-cab.linha { justify-content: flex-end; padding-right: 14px; }

.ds-matriz-celula {
  min-height: 92px;
  border-radius: var(--ds-radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2px;
  border: 1.5px solid transparent;
  background: #FAFBFC;
  border-color: var(--ds-borda);
  border-style: dashed;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: default;
  position: relative;
}

.ds-matriz-celula.tem-risco {
  border-style: solid;
  cursor: pointer;
}

.ds-matriz-celula.tem-risco:hover {
  transform: scale(1.04);
  box-shadow: var(--ds-sombra-hover);
  text-decoration: none;
  z-index: 2;
}

.ds-matriz-num {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.ds-matriz-pontos {
  font-size: 11px;
  font-weight: 600;
  opacity: 0.75;
}

.ds-matriz-vazia {
  font-size: 11px;
  color: var(--ds-texto-secundario);
  opacity: 0.6;
}

/* Escala de calor: 0 (vazio) → 4 (crítico) */
.ds-heat-0 { background: #FAFBFC; color: var(--ds-texto-secundario); }
.ds-heat-1 { background: #D9EBE5; border-color: #A9CFC3 !important; color: #1D5B4B; }
.ds-heat-2 { background: #FBEBC8; border-color: #E8CE93 !important; color: #8A5E14; }
.ds-heat-3 { background: #F6C39A; border-color: #E09B5E !important; color: #8F4A12; }
.ds-heat-4 { background: #F5C4BE; border-color: #C0392B !important; color: #8F271B; }

/* Legenda do mapa de calor */
.ds-heat-legenda {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ds-texto-secundario);
}

.ds-heat-legenda-item {
  width: 26px;
  height: 12px;
  border-radius: 4px;
}

/* Lista de alertas (PRD 7.1) */
.ds-alertas {
  background: var(--ds-alerta-claro);
  border: 1px solid #EFD3A6;
  border-radius: var(--ds-radius);
  padding: 24px 28px;
}

.ds-alertas h3 {
  color: var(--ds-alerta);
  font-size: 15px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ds-alertas ul { list-style: none; }
.ds-alertas li {
  padding: 8px 0;
  color: var(--ds-texto);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ds-alertas li::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ds-alerta);
  flex-shrink: 0;
}

/* Mensagens flash do Django */
.ds-mensagens { margin-bottom: 24px; }

.ds-mensagem {
  padding: 14px 20px;
  border-radius: var(--ds-radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ds-mensagem.sucesso { background: var(--ds-sucesso-claro); color: var(--ds-sucesso); border: 1px solid #B7D8CF; }
.ds-mensagem.erro { background: var(--ds-perigo-claro); color: var(--ds-perigo); border: 1px solid #E7B7B2; }
.ds-mensagem.aviso { background: var(--ds-alerta-claro); color: var(--ds-alerta); border: 1px solid #EFD3A6; }
.ds-mensagem.info { background: var(--ds-info-claro); color: var(--ds-info); border: 1px solid #B9CBE0; }

/* Barra de filtros */
.ds-filtros {
  background: var(--ds-card);
  border: 1px solid var(--ds-borda);
  border-radius: var(--ds-radius);
  box-shadow: var(--ds-sombra);
  padding: 18px 20px;
  display: flex;
  gap: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.ds-filtros .ds-form-grupo { margin-bottom: 0; min-width: 160px; flex: 1; }
.ds-filtros .ds-form-grupo.busca { flex: 2; min-width: 220px; }

/* Seção dentro de card */
.ds-secao {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--ds-borda);
}

.ds-secao:first-child { margin-top: 0; padding-top: 0; border-top: none; }

.ds-secao-titulo {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ds-verde);
  margin-bottom: 18px;
}

/* Definições (dl) */
.ds-defs {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 10px 24px;
  font-size: 14px;
}

.ds-defs dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ds-texto-secundario);
  padding-top: 3px;
}

.ds-defs dd { color: var(--ds-texto); }

/* ==========================================================================
   Login (hero split — marca do DS)
   ========================================================================== */

.ds-login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.ds-login-hero {
  background: linear-gradient(150deg, var(--ds-verde) 0%, var(--ds-navy) 70%, var(--ds-navy-escuro) 100%);
  color: #fff;
  padding: 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ds-login-hero .ds-label { color: rgba(255, 255, 255, 0.75); }

.ds-login-hero h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 20px;
}

.ds-login-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 440px;
}

.ds-login-form-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.ds-login-form {
  width: 100%;
  max-width: 380px;
}

@media (max-width: 860px) {
  .ds-login { grid-template-columns: 1fr; }
  .ds-login-hero { padding: 48px 32px; }
  .ds-login-hero h1 { font-size: 32px; }
}

/* Vazio (empty state) */
.ds-vazio {
  text-align: center;
  padding: 56px 24px;
  color: var(--ds-texto-secundario);
}

.ds-vazio strong {
  display: block;
  font-size: 17px;
  color: var(--ds-navy-escuro);
  margin-bottom: 6px;
}

/* Utilitários */
.ds-mt-1 { margin-top: 8px; }
.ds-mt-2 { margin-top: 16px; }
.ds-mt-3 { margin-top: 24px; }
.ds-mb-2 { margin-bottom: 16px; }
.ds-mb-3 { margin-bottom: 24px; }
.ds-flex { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.ds-flex-between { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.ds-texto-sec { color: var(--ds-texto-secundario); font-size: 13px; }