:root {
  --cor-primaria: #E8600C;
  --cor-primaria-clara: #FF8C00;
  --cor-preto: #000000;
  --cor-cinza: #BABABA;
  --cor-branco: #FFFFFF;
  --cor-fundo: #FAFAFA;
  --cor-texto: #1A1A1A;
  --cor-sucesso: #2E9E5B;
  --cor-perigo: #D33B3B;
  --sombra: 0 4px 16px rgba(0, 0, 0, 0.08);
  --raio: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Arial, sans-serif;
  background: var(--cor-fundo);
  color: var(--cor-texto);
}

button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.oculto { display: none !important; }

/* ===== AUTENTICAÇÃO ===== */
.tela-auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a1a, #000000);
}

.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1100px;
  width: 100%;
  margin: 24px;
  background: var(--cor-branco);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  min-height: 640px;
}

.auth-imagem { position: relative; }
.auth-imagem img { width: 100%; height: 100%; object-fit: cover; display: block; }
.auth-imagem-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.75) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px;
}
.logo-mark { font-size: 1.3rem; font-weight: 700; margin-bottom: auto; }
.auth-imagem-overlay h2 { font-size: 1.6rem; margin: 0 0 8px; line-height: 1.3; }
.auth-imagem-overlay p { margin: 0; color: #e8e8e8; }

.auth-form-area { display: flex; align-items: center; justify-content: center; padding: 40px; }
.auth-box { width: 100%; max-width: 380px; }

.auth-tabs { display: flex; gap: 4px; margin-bottom: 24px; background: #f1f1f1; border-radius: 10px; padding: 4px; }
.auth-tab {
  flex: 1; border: none; background: transparent; padding: 10px; border-radius: 8px;
  font-weight: 600; color: #777; transition: all .2s;
}
.auth-tab.ativo { background: var(--cor-primaria); color: #fff; }

.auth-form { display: none; flex-direction: column; gap: 14px; }
.auth-form.ativo { display: flex; }
.auth-form h3 { margin: 0 0 6px; color: var(--cor-preto); }

label { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; font-weight: 600; color: #444; }
input {
  padding: 11px 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 0.95rem;
  transition: border-color .15s;
}
input:focus { outline: none; border-color: var(--cor-primaria); }

.auth-erro { color: var(--cor-perigo); font-size: 0.85rem; min-height: 18px; }

.btn {
  border: none; border-radius: 8px; padding: 11px 18px; font-weight: 700; font-size: 0.95rem;
  transition: transform .1s, opacity .2s;
}
.btn:hover { opacity: 0.9; }
.btn:active { transform: scale(0.98); }
.btn-full { width: 100%; }
.btn-primario { background: var(--cor-primaria); color: #fff; }
.btn-secundario { background: #f1f1f1; color: #333; }
.btn-perigo { background: var(--cor-perigo); color: #fff; }
.btn-sucesso { background: var(--cor-sucesso); color: #fff; }
.btn-sair { background: transparent; border: 1px solid #555; color: #ccc; padding: 8px 14px; }
.btn-sair:hover { background: #333; }
.btn-pequeno { padding: 6px 10px; font-size: 0.8rem; }

/* ===== APP ===== */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px; background: var(--cor-preto); color: #fff;
  display: flex; flex-direction: column; flex-shrink: 0;
}
.sidebar-logo { font-size: 1.2rem; font-weight: 800; padding: 22px 20px; border-bottom: 1px solid #262626; }
.sidebar-nav { flex: 1; display: flex; flex-direction: column; padding: 14px 10px; gap: 2px; }
.nav-item {
  text-align: left; background: transparent; border: none; color: #ccc;
  padding: 12px 14px; border-radius: 8px; font-size: 0.92rem; transition: background .15s;
}
.nav-item:hover { background: #1f1f1f; }
.nav-item.ativo { background: var(--cor-primaria); color: #fff; font-weight: 700; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid #262626; display: flex; flex-direction: column; gap: 10px; }
.usuario-info { display: flex; flex-direction: column; font-size: 0.85rem; }
.usuario-info strong { color: #fff; }
.usuario-info span { color: #999; font-size: 0.78rem; }

.conteudo { flex: 1; padding: 28px 36px; max-width: 100%; overflow-x: auto; }
.topbar { margin-bottom: 24px; }
.topbar h1 { margin: 0; font-size: 1.6rem; color: var(--cor-preto); }

.view { display: none; }
.view.ativo { display: block; animation: fadein .25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Cards de métricas */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-bottom: 28px; }
.card-metrica {
  background: #fff; border-radius: var(--raio); padding: 20px; box-shadow: var(--sombra);
  border-left: 4px solid var(--cor-primaria);
}
.card-metrica .label { font-size: 0.8rem; color: #777; font-weight: 600; text-transform: uppercase; }
.card-metrica .valor { font-size: 1.8rem; font-weight: 800; color: var(--cor-preto); margin-top: 6px; }
.card-metrica .sub { font-size: 0.8rem; color: #999; margin-top: 4px; }

.painel { background: #fff; border-radius: var(--raio); padding: 22px; box-shadow: var(--sombra); margin-bottom: 20px; }
.painel h3 { margin-top: 0; color: var(--cor-preto); font-size: 1.05rem; }

.alerta-lista { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.alerta-item {
  display: flex; justify-content: space-between; padding: 10px 14px; background: #FFF4EC;
  border-radius: 8px; border-left: 3px solid var(--cor-primaria-clara); font-size: 0.9rem;
}
.alerta-vazio { color: #999; font-size: 0.9rem; padding: 10px 0; }

.dashboard-cols { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
@media (max-width: 900px) { .dashboard-cols { grid-template-columns: 1fr; } }

.grafico-barras { display: flex; align-items: flex-end; gap: 12px; height: 160px; padding-top: 10px; }
.barra-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.barra { width: 100%; background: linear-gradient(180deg, var(--cor-primaria-clara), var(--cor-primaria)); border-radius: 6px 6px 0 0; min-height: 4px; }
.barra-label { font-size: 0.7rem; color: #888; }

/* Barra de ações e filtros */
.toolbar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; align-items: center; }
.toolbar input, .toolbar select { padding: 10px 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 0.9rem; }
.toolbar input[type="text"] { min-width: 220px; }
.spacer { flex: 1; }

/* Tabelas */
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--raio); overflow: hidden; box-shadow: var(--sombra); }
thead th { background: #f7f7f7; text-align: left; padding: 12px 14px; font-size: 0.78rem; text-transform: uppercase; color: #777; border-bottom: 1px solid #eee; }
tbody td { padding: 12px 14px; border-bottom: 1px solid #f1f1f1; font-size: 0.9rem; }
tbody tr:hover { background: #fafafa; }
tbody tr:last-child td { border-bottom: none; }

.badge { padding: 3px 10px; border-radius: 20px; font-size: 0.72rem; font-weight: 700; display: inline-block; }
.badge-ok { background: #E6F6EC; color: var(--cor-sucesso); }
.badge-baixo { background: #FDEAEA; color: var(--cor-perigo); }
.badge-cancelada { background: #eee; color: #888; }
.badge-neutro { background: #FFF1E3; color: var(--cor-primaria); }

.acoes-tabela { display: flex; gap: 6px; }
.acoes-tabela button { padding: 6px 10px; font-size: 0.78rem; border-radius: 6px; border: 1px solid #ddd; background: #fff; }
.acoes-tabela button:hover { background: #f5f5f5; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center;
  justify-content: center; z-index: 100; padding: 20px;
}
.modal-box { background: #fff; border-radius: var(--raio); padding: 28px; max-width: 520px; width: 100%; max-height: 88vh; overflow-y: auto; }
.modal-box h3 { margin-top: 0; }
.modal-form { display: flex; flex-direction: column; gap: 12px; }
.modal-form .linha-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-acoes { display: flex; justify-content: flex-end; gap: 10px; margin-top: 10px; }

/* PDV */
.pdv-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; }
@media (max-width: 1000px) { .pdv-grid { grid-template-columns: 1fr; } }
.pdv-produtos-lista { display: flex; flex-direction: column; gap: 8px; max-height: 560px; overflow-y: auto; }
.pdv-produto-item {
  display: flex; justify-content: space-between; align-items: center; background: #fff; padding: 12px 14px;
  border-radius: 10px; box-shadow: var(--sombra); cursor: pointer; transition: transform .1s;
}
.pdv-produto-item:hover { transform: translateY(-2px); border: 1px solid var(--cor-primaria-clara); }
.pdv-produto-item .info strong { display: block; color: var(--cor-preto); }
.pdv-produto-item .info span { font-size: 0.78rem; color: #888; }
.pdv-produto-item .preco { font-weight: 700; color: var(--cor-primaria); }

.carrinho-itens { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; max-height: 320px; overflow-y: auto; }
.carrinho-item { display: flex; justify-content: space-between; align-items: center; background: #fafafa; padding: 10px 12px; border-radius: 8px; }
.carrinho-item .qtd-controle { display: flex; align-items: center; gap: 8px; }
.carrinho-item .qtd-controle button { width: 26px; height: 26px; border-radius: 6px; border: 1px solid #ddd; background: #fff; }
.carrinho-vazio { color: #999; text-align: center; padding: 30px 0; }
.resumo-totais { display: flex; flex-direction: column; gap: 8px; border-top: 1px solid #eee; padding-top: 14px; }
.resumo-linha { display: flex; justify-content: space-between; font-size: 0.92rem; }
.resumo-linha.total { font-size: 1.2rem; font-weight: 800; color: var(--cor-preto); }

.toast-container { position: fixed; top: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast { background: var(--cor-preto); color: #fff; padding: 12px 18px; border-radius: 8px; box-shadow: var(--sombra); font-size: 0.9rem; animation: fadein .2s ease; }
.toast.sucesso { background: var(--cor-sucesso); }
.toast.erro { background: var(--cor-perigo); }

.vazio-estado { text-align: center; padding: 40px 20px; color: #999; }

/* Comprovante / recibo de venda */
.comprovante {
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: #111;
  max-width: 320px;
  margin: 0 auto;
}
.comprovante h2 { text-align: center; margin: 0 0 4px; font-size: 1.1rem; }
.comprovante .comprovante-sub { text-align: center; margin: 0 0 2px; font-weight: 700; }
.comprovante p { margin: 3px 0; }
.comprovante hr { border: none; border-top: 1px dashed #999; margin: 8px 0; }
.comprovante-tabela { width: 100%; border-collapse: collapse; font-size: 0.8rem; box-shadow: none; }
.comprovante-tabela th, .comprovante-tabela td { padding: 3px 2px; text-align: left; border: none; font-size: 0.78rem; }
.comprovante-tabela thead th { background: transparent; text-transform: none; color: #111; border-bottom: 1px dashed #999; }
.comprovante-total { font-size: 1rem; font-weight: 800; }
.comprovante-rodape { text-align: center; font-style: italic; color: #555; }
.comprovante-preview { background: #fff; border: 1px dashed #ccc; padding: 18px; border-radius: 8px; max-height: 60vh; overflow-y: auto; }

.area-impressao { display: none; }

/* Botão flutuante de ajuda */
.btn-ajuda-flutuante {
  position: fixed; bottom: 24px; right: 24px; width: 52px; height: 52px; border-radius: 50%;
  background: var(--cor-primaria); color: #fff; border: none; font-size: 1.3rem; font-weight: 800;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25); z-index: 90; transition: transform .15s;
}
.btn-ajuda-flutuante:hover { transform: scale(1.08); }

.ajuda-box { max-width: 560px; }
.ajuda-cabecalho { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.ajuda-cabecalho h3 { margin: 0; }
.btn-fechar-ajuda { background: #f1f1f1; border: none; border-radius: 50%; width: 30px; height: 30px; font-size: 0.9rem; }
.btn-fechar-ajuda:hover { background: #e5e5e5; }
#busca-ajuda { width: 100%; padding: 10px 12px; border: 1px solid #ddd; border-radius: 8px; margin-bottom: 14px; font-size: 0.9rem; }
.ajuda-lista { max-height: 50vh; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
.ajuda-item { border: 1px solid #eee; border-radius: 8px; padding: 10px 14px; }
.ajuda-item summary { cursor: pointer; font-weight: 700; color: var(--cor-preto); list-style: none; }
.ajuda-item summary::-webkit-details-marker { display: none; }
.ajuda-item summary::before { content: '▸ '; color: var(--cor-primaria); }
.ajuda-item[open] summary::before { content: '▾ '; }
.ajuda-texto { margin-top: 10px; font-size: 0.88rem; color: #444; line-height: 1.5; }
.ajuda-texto ol, .ajuda-texto ul { padding-left: 20px; margin: 6px 0; }
.ajuda-texto li { margin-bottom: 4px; }
.ajuda-texto p { margin: 6px 0; }
.ajuda-rodape { margin-top: 16px; padding-top: 14px; border-top: 1px solid #eee; text-align: center; }
.ajuda-rodape p { margin: 0 0 8px; font-size: 0.85rem; color: #888; }

/* Onboarding / primeiros passos */
.onboarding-card { background: linear-gradient(135deg, #fff, #FFF4EC); border: 1px solid #FFE0C2; border-radius: var(--raio); padding: 22px; margin-bottom: 24px; }
.onboarding-card h3 { margin-top: 0; }
.onboarding-passos { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.onboarding-passo { display: flex; align-items: center; gap: 12px; background: #fff; padding: 12px 16px; border-radius: 10px; box-shadow: var(--sombra); }
.onboarding-passo .numero {
  width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.85rem; flex-shrink: 0;
}
.onboarding-passo.feito .numero { background: var(--cor-sucesso); color: #fff; }
.onboarding-passo.pendente .numero { background: var(--cor-primaria); color: #fff; }
.onboarding-passo .texto { flex: 1; font-size: 0.92rem; }
.onboarding-passo.feito .texto { color: #888; text-decoration: line-through; }
.onboarding-passo button { flex-shrink: 0; }

@media print {
  body * { visibility: hidden; }
  .area-impressao, .area-impressao * { visibility: visible; }
  .area-impressao {
    display: block; position: absolute; top: 0; left: 0; width: 100%;
    padding: 10px;
  }
}

@media (max-width: 760px) {
  .auth-grid { grid-template-columns: 1fr; }
  .auth-imagem { display: none; }
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; overflow-x: auto; }
  .sidebar-nav { flex-direction: row; }
  .sidebar-footer { display: none; }
  .conteudo { padding: 18px; }
}