/* =========================
   Configurações Globais
   ========================= */
body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    border-radius: 5px;
}

/* =========================
   Títulos
   ========================= */
h1 {
    background-color: #004d99;
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 0;
    font-size: 1.5em;
    border-radius: 3px;
}

h2 {
    color: #004d99;
    padding: 10px 0;
    border-bottom: 2px solid #ccc;
    text-align: center;
    width: 100%;
}

p {
    text-align: center;
    font-style: italic;
    margin-bottom: 20px;
}

hr {
    border: 0;
    height: 1px;
    background: #ccc;
    margin: 30px 0;
}

/* =========================
   Inputs
   ========================= */
input[type="text"],
input[type="date"] {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #f9f9f9;
    box-sizing: border-box;
}

/* =========================
   Botões
   ========================= */
button {
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s;
    margin-left: 10px;
}

#adicionar-periodo {
    background-color: #4CAF50;
    color: white;
    display: block;
    width: 300px;
    margin: 20px auto;
}

#calcular-tudo {
    background-color: #007bff;
    color: white;
}

#limpar-tudo {
    background-color: #dc3545;
    color: white;
}

.limpar-periodo {
    background-color: #ffc107;
    color: #333;
}

/* =========================
   Container de Períodos
   ========================= */
#periodos-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

/* Card de cada período */
.periodo {
    background-color: #f7f7ff;
    border: 2px solid #00a0d6;
    border-radius: 4px;
    padding: 10px 12px;
    box-sizing: border-box;
    flex: 1 1 calc(50% - 10px);   /* duas colunas quando couber */
    min-width: 260px;
}

/* Faixa de título "Período X" */
.periodo h3 {
    margin: 0 0 8px 0;
    padding: 4px 8px;
    background-color: #00a0d6;
    color: #fff;
    font-size: 0.95em;
    border-radius: 3px;
    text-align: left;
}

/* Linhas internas de campos */
.periodo .linha {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 6px;
}

/* Grupo label + input */
.periodo .campo {
    display: flex;
    flex-direction: column;
    min-width: 120px;
    flex: 1;
}

.periodo label {
    font-weight: bold;
    font-size: 0.8em;
    margin-bottom: 2px;
}

.periodo input {
    padding: 4px 6px;
    font-size: 0.85em;
    width: 100%;
}

/* Total em Dias com destaque leve */
.periodo .campo-total-dias input {
    font-weight: bold;
}

/* Área do botão "Limpar" na segunda linha */
.periodo .acoes-periodo {
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    flex: 0 0 120px;
}

.limpar-periodo {
    height: 32px;
    margin-left: 0;
}

/* =========================
   Total Geral (Rodapé)
   ========================= */
.total-geral {
    border-top: 3px solid #004d99;
    background-color: #e6f0ff;
    padding: 20px 10px;
    margin-top: 20px;
}

.campos-total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.campos-total label {
    font-weight: bold;
    white-space: nowrap;
}

.campos-total input[readonly] {
    background-color: #dddddd;
    border: 2px solid #aaa;
    width: 80px;
}

#total-geral-dias {
    width: 120px;
}

/* =========================
   Responsividade
   ========================= */
@media (max-width: 900px) {
    .periodo {
        flex: 1 1 100%;
    }
}

@media (max-width: 768px) {
    .campos-total {
        flex-direction: column;
        align-items: stretch;
    }

    .campos-total input,
    .campos-total button {
        width: 100%;
        margin-left: 0;
    }

    #adicionar-periodo {
        width: 100%;
    }
}