:root {
    --cor-primaria: #2563eb;
    --cor-primaria-escura: #1d4ed8;
    --cor-sucesso: #16a34a;
    --cor-alerta: #f59e0b;
    --cor-perigo: #dc2626;
    --cor-fundo: #f1f5f9;
    --cor-texto: #1e293b;
    --cor-texto-suave: #64748b;
    --cor-borda: #e2e8f0;
    --cor-branco: #ffffff;
    --sidebar-largura: 250px;
    --topbar-altura: 60px;
    --raio: 10px;
    --sombra: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--cor-fundo);
    color: var(--cor-texto);
    font-size: 14px;
}

a { color: var(--cor-primaria); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Tela de login ---------- */
.tela-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1d4ed8, #1e293b);
    padding: 16px;
}

.cartao-login {
    background: var(--cor-branco);
    border-radius: var(--raio);
    box-shadow: var(--sombra);
    padding: 40px 32px;
    width: 100%;
    max-width: 380px;
}

.cartao-login h1 {
    font-size: 20px;
    margin: 0 0 4px;
    text-align: center;
}

.cartao-login .subtitulo {
    text-align: center;
    color: var(--cor-texto-suave);
    margin-bottom: 24px;
    font-size: 13px;
}

/* ---------- Formulários ---------- */
.campo { margin-bottom: 16px; }

.campo label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 13px;
}

.campo input[type="text"],
.campo input[type="email"],
.campo input[type="password"],
.campo input[type="search"],
.campo input[type="date"],
.campo input[type="time"],
.campo input[type="number"],
.campo select,
.campo textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--cor-borda);
    border-radius: 8px;
    font-size: 14px;
    background: var(--cor-branco);
    color: var(--cor-texto);
}

.campo input:focus,
.campo select:focus,
.campo textarea:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.campo-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.linha-form {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.linha-form .campo { flex: 1; min-width: 200px; }

/* ---------- Botões ---------- */
.botao {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.botao:hover { text-decoration: none; }
.botao-primario { background: var(--cor-primaria); color: #fff; }
.botao-primario:hover { background: var(--cor-primaria-escura); }
.botao-secundario { background: var(--cor-branco); color: var(--cor-texto); border: 1px solid var(--cor-borda); }
.botao-secundario:hover { background: #f8fafc; }
.botao-perigo { background: var(--cor-perigo); color: #fff; }
.botao-bloco { width: 100%; }
.botao-pequeno { padding: 6px 12px; font-size: 12px; }

/* ---------- Alertas / flash ---------- */
.alerta {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
}
.alerta-erro { background: #fee2e2; color: #991b1b; }
.alerta-sucesso { background: #dcfce7; color: #166534; }
.alerta-aviso { background: #fef3c7; color: #92400e; }
.alerta-info { background: #dbeafe; color: #1e40af; }

/* ---------- Layout do app (sidebar + topbar) ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-largura);
    background: #0f172a;
    color: #cbd5e1;
    flex-shrink: 0;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    transition: transform 0.2s ease;
    z-index: 20;
}

.sidebar .logo {
    padding: 20px 20px;
    font-weight: 700;
    color: #fff;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar nav { padding: 12px 0; }

.sidebar .grupo-titulo {
    padding: 12px 20px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
}

.sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: #cbd5e1;
    font-size: 13px;
}
.sidebar a:hover { background: rgba(255,255,255,0.06); text-decoration: none; }
.sidebar a.ativo { background: var(--cor-primaria); color: #fff; }

.conteudo {
    margin-left: var(--sidebar-largura);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    height: var(--topbar-altura);
    background: var(--cor-branco);
    border-bottom: 1px solid var(--cor-borda);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar .usuario-info { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.topbar .usuario-perfil { color: var(--cor-texto-suave); }
.botao-menu-mobile { display: none; background: none; border: none; font-size: 20px; cursor: pointer; }

.pagina { padding: 24px; flex: 1; }

.cabecalho-pagina {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}
.cabecalho-pagina h1 { font-size: 20px; margin: 0; }

/* ---------- Cards de indicadores ---------- */
.cartoes-indicadores {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.cartao-indicador {
    background: var(--cor-branco);
    border-radius: var(--raio);
    box-shadow: var(--sombra);
    padding: 18px 20px;
}
.cartao-indicador .valor { font-size: 26px; font-weight: 700; margin: 4px 0; }
.cartao-indicador .rotulo { color: var(--cor-texto-suave); font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
.cartao-indicador.meta-verde { border-left: 4px solid var(--cor-sucesso); }
.cartao-indicador.meta-amarelo { border-left: 4px solid var(--cor-alerta); }
.cartao-indicador.meta-vermelho { border-left: 4px solid var(--cor-perigo); }

/* ---------- Painel / tabela ---------- */
.painel {
    background: var(--cor-branco);
    border-radius: var(--raio);
    box-shadow: var(--sombra);
    padding: 20px;
    margin-bottom: 20px;
}

table.tabela { width: 100%; border-collapse: collapse; font-size: 13px; }
table.tabela th, table.tabela td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--cor-borda);
}
table.tabela th { color: var(--cor-texto-suave); font-weight: 600; font-size: 12px; text-transform: uppercase; }
table.tabela tbody tr:hover { background: #f8fafc; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
}
.badge-verde { background: #dcfce7; color: #166534; }
.badge-amarelo { background: #fef3c7; color: #92400e; }
.badge-vermelho { background: #fee2e2; color: #991b1b; }
.badge-cinza { background: #f1f5f9; color: #475569; }
.badge-azul { background: #dbeafe; color: #1e40af; }

.vazio { text-align: center; color: var(--cor-texto-suave); padding: 40px 0; }

/* ---------- Responsivo ---------- */
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.aberta { transform: translateX(0); }
    .conteudo { margin-left: 0; }
    .botao-menu-mobile { display: inline-block; }
}

/* ---------- Impressão de relatórios ---------- */
.cabecalho-impressao { display: none; }

@media print {
    .sidebar, .topbar, .nao-imprimir { display: none !important; }
    .conteudo { margin-left: 0 !important; }
    .pagina { padding: 0 !important; }
    .painel { box-shadow: none !important; border: none !important; padding: 0 !important; }
    .cabecalho-impressao { display: block; margin-bottom: 16px; }
    table.tabela { font-size: 11px; }
    a { color: inherit !important; text-decoration: none !important; }
}