:root {
    --azul: #0b73af;
    --azul-escuro: #07517c;
    --azul-claro: #edf6fb;
    --laranja: #f39717;
    --verde: #16a34a;
    --vermelho: #dc2626;
    --cinza: #64748b;
    --fundo: #f3f6f9;
    --texto: #1f2937;
    --borda: #dbe3ea;
    --sombra: 0 3px 12px rgba(0, 0, 0, 0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--fundo);
    color: var(--texto);
}

header {
    background: var(--azul);
    color: white;
    padding: 20px 28px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.header-inner {
    width: 95%;
    max-width: 1280px;
    margin: auto;
}

header h1 { margin: 0; font-size: 26px; }
header p { margin: 5px 0 0; opacity: 0.9; }

nav {
    margin-top: 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

nav a {
    color: white;
    font-weight: 600;
    text-decoration: none;
}

nav a:hover { text-decoration: underline; }

main {
    width: 95%;
    max-width: 1280px;
    margin: 28px auto;
}

.card {
    background: white;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--sombra);
}

.card h2, .card h3 {
    margin-top: 0;
    color: var(--azul);
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 15px;
    align-items: end;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }

.campo {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

label {
    margin-bottom: 7px;
    font-weight: 700;
}

input, select, textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 7px;
    font-family: inherit;
    font-size: 15px;
    background: white;
}

input, select {
    height: 44px;
    padding: 0 12px;
}

textarea {
    min-height: 88px;
    padding: 12px;
    resize: vertical;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--azul);
    box-shadow: 0 0 0 3px rgba(11, 115, 175, 0.15);
}

input[readonly] { background: var(--azul-claro); font-weight: 700; }

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

button, .botao-link {
    min-height: 42px;
    padding: 0 18px;
    border: none;
    border-radius: 7px;
    background: var(--laranja);
    color: white;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

button:hover, .botao-link:hover { opacity: 0.9; }
button:disabled { opacity: 0.6; cursor: not-allowed; }

.botao-azul { background: var(--azul); }
.botao-verde { background: var(--verde); }
.botao-vermelho { background: var(--vermelho); }
.botao-cinza { background: var(--cinza); }
.botao-pequeno { min-height: 34px; padding: 0 12px; font-size: 13px; }

#botao-logout { margin-left: auto; background: var(--vermelho); }

.mensagem {
    display: none;
    margin: 0 0 18px;
    padding: 12px;
    border-radius: 7px;
}

.mensagem.sucesso { display: block; background: #dcfce7; color: #166534; }
.mensagem.erro { display: block; background: #fee2e2; color: #991b1b; }
.mensagem.aviso { display: block; background: #fff7ed; color: #9a3412; }

.tabela-container { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }
th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
    white-space: nowrap;
}
th { background: var(--azul-claro); color: var(--azul); }
.vazio { text-align: center; color: var(--cinza); padding: 24px; }

.status {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}
.status-ativo { background: #dcfce7; color: #166534; }
.status-inativo { background: #fee2e2; color: #991b1b; }
.consumo { background: #dcfce7; color: #166534; }

.resumo-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 15px;
    margin-bottom: 24px;
}

.resumo-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--sombra);
}

.resumo-card span { color: var(--cinza); font-size: 14px; }
.resumo-card strong {
    display: block;
    margin-top: 7px;
    color: var(--azul);
    font-size: 25px;
}

.filtros {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    align-items: end;
}

.oculto { display: none !important; }
.texto-secundario { color: var(--cinza); font-size: 13px; }

@media print {
    header, .nao-imprimir, form, .mensagem { display: none !important; }
    body { background: white; }
    main { width: 100%; max-width: none; margin: 0; }
    .card, .resumo-card { box-shadow: none; border: 1px solid #ddd; }
}

@media (max-width: 1000px) {
    .grid, .grid-4, .filtros { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .resumo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .span-3, .span-4 { grid-column: span 2; }
}

@media (max-width: 650px) {
    header { padding: 18px 14px; }
    main { width: 94%; margin: 18px auto; }
    .card { padding: 18px; }
    .grid, .grid-2, .grid-4, .filtros, .resumo-grid {
        grid-template-columns: 1fr;
    }
    .span-2, .span-3, .span-4 { grid-column: span 1; }
    .botoes button, .botoes .botao-link { width: 100%; }
    #botao-logout { margin-left: 0; }
}