/* Importação da Fonte */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

/* Definição das Variáveis de Cores (Tema Claro) */
:root {
    --primary-color: #005a9c;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --background-color: #f0f2f5;
    --surface-color: #ffffff;
    --text-color: #333;
    --text-muted-color: #6c757d;
    --border-color: #dee2e6;
    --shadow-color: rgba(0,0,0,0.1);
}

/* Definição das Variáveis de Cores (Tema Escuro) */
[data-theme='dark'] {
    --primary-color: #58a6ff;
    --success-color: #3fb950;
    --danger-color: #f85149;
    --warning-color: #d29922;
    --background-color: #0d1117;
    --surface-color: #161b22;
    --text-color: #c9d1d9;
    --text-muted-color: #8b949e;
    --border-color: #30363d;
    --shadow-color: rgba(0,0,0,0.4);
}

/* Estilos Gerais */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}
.container {
    background-color: var(--surface-color);
    margin: 20px auto;
    padding: 25px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 12px var(--shadow-color);
    width: 100%;
    max-width: 800px;
}

/* Cabeçalho */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}
.title-container {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-grow: 1;
    min-width: 0;
}
.logo { width: 40px; height: 40px; }
h1 { font-size: 1.4em; color: var(--primary-color); margin-bottom: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
h2, h3 { text-align: center; color: var(--primary-color); margin-bottom: 15px; }
.theme-toggle {
    background: none; border: 1px solid var(--border-color); border-radius: 50%;
    width: 40px; height: 40px; font-size: 1.5em; cursor: pointer;
    padding: 0; margin: 0; line-height: 1; flex-shrink: 0;
}

/* Navegação por Abas com Ícones */
.app-nav {
    display: flex;
    gap: 5px;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}
.nav-btn {
    flex-grow: 1; margin: 0; border: none; border-bottom: 3px solid transparent;
    background: none; padding: 10px 2px;
    font-size: 1em;
    color: var(--text-muted-color);
    cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 4px;
    transition: color 0.2s, border-color 0.2s;
}
.nav-btn svg { width: 22px; height: 22px; stroke: currentColor; }
.nav-btn.active { color: var(--primary-color); border-bottom-color: var(--primary-color); font-weight: bold; }
.nav-btn span { font-size: 0.8em; }

/* Controle de Visibilidade das Páginas */
.view { display: none; }
.view.active { display: block; }
.backup-container { padding-top: 15px; }
.backup-container .data-actions { display: flex; flex-direction: column; gap: 15px; max-width: 300px; margin: 20px auto; }
.backup-container .data-actions button { width: 100%; margin-top: 0;}

/* Formulário e Inputs */
.subtitle { text-align: center; color: var(--text-muted-color); margin-bottom: 15px; font-size: 0.9em; }
.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 15px; }
label { display: block; margin-bottom: 5px; font-weight: 500; }
input, select {
    width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: 8px;
    font-size: 1em; background-color: var(--surface-color); color: var(--text-color);
}
button {
    width: 100%; padding: 15px; border: none; border-radius: 8px; font-size: 1.1em;
    font-weight: 500; cursor: pointer; transition: background-color 0.2s ease, transform 0.1s ease;
    margin-top: 10px;
}
button:active { transform: scale(0.98); }
#salvar-entrada-btn { background-color: var(--primary-color); color: white; grid-column: 1 / -1; }
.percentage-selector { display: flex; justify-content: space-around; align-items: center; height: 100%; padding: 5px; background-color: var(--background-color); border-radius: 8px; }

/* Histórico e Filtros */
#historico-container { margin-top: 0; border-top: none; padding-top: 0; }
.historico-header { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; margin-bottom: 15px; gap: 15px; }
.filtros-container { display: flex; gap: 10px; flex-grow: 1; justify-content: flex-end;}

/* ESTILO PARA AS CAIXAS DE SELEÇÃO DE MÊS */
.month-pills-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Cria 4 colunas */
    gap: 10px;
    padding: 10px;
    background-color: var(--background-color);
    border-radius: 8px;
}
.month-checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: background-color 0.2s;
}
.month-checkbox-item:hover {
    background-color: rgba(0,0,0,0.05);
}
.month-checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color); /* Muda a cor do 'check' */
}

#periodo-total-display {
    background-color: var(--primary-color); color: #fff; padding: 15px; border-radius: 8px;
    text-align: center; font-size: 1.2em; font-weight: 500; margin-bottom: 20px;
}
#historico-tabela { width: 100%; border-collapse: collapse; }
#historico-tabela th, #historico-tabela td { padding: 12px 8px; border-bottom: 1px solid var(--border-color); text-align: left; vertical-align: middle;}
#historico-tabela th { background-color: var(--background-color); font-weight: 700; }
.mes-total-row { background-color: var(--background-color); font-weight: bold; }
.mes-total-row td { border-top: 2px solid var(--primary-color); }
.entrada-row td { color: var(--text-muted-color); }
#sem-historico { text-align:center; padding: 20px; color: var(--text-muted-color); }
.edit-entry-row td { background-color: var(--warning-color-light, #fffbeb); }
[data-theme='dark'] .edit-entry-row td { background-color: #2f230c; }
.edit-entry-form { display: grid; grid-template-columns: 1fr 1fr 1fr 0.6fr 1fr 1.2fr; gap: 8px; align-items: center; padding: 10px; width: 100%; }
.edit-entry-form input, .edit-entry-form select { padding: 8px; font-size: 0.9em; }
.edit-entry-actions { display: flex; gap: 5px; }
.edit-entry-actions button { padding: 8px 10px; font-size: 0.85em; margin-top: 0; }
.btn-save-entry { background-color: var(--success-color); color: white; }
.btn-cancel-entry { background-color: var(--danger-color); color: white; }
.chart-container { position: relative; height: 60vh; max-height: 450px; width: 100%; margin: 20px 0; }
footer { text-align: center; margin-top: 30px; padding: 20px 10px; font-size: 0.9em; color: var(--text-muted-color); background-color: var(--background-color); border-top: 1px solid var(--border-color); }

@media (max-width: 768px) {
    .container { margin: 10px auto; padding: 20px 15px; }
    .input-grid { grid-template-columns: 1fr; }
    .historico-header { justify-content: center; }
    h1 { font-size: 1.1em; }
    .logo { width: 30px; height: 30px; }
    
    /* Ajusta a grade de meses para telas menores */
    .month-pills-container {
        grid-template-columns: repeat(3, 1fr); /* 3 colunas em telas menores */
    }

    #historico-tabela thead { display: none; }
    #historico-tabela tr { display: block; margin-bottom: 20px; border: 1px solid var(--border-color); border-radius: 8px; padding: 10px; box-shadow: 0 2px 4px var(--shadow-color); }
    #historico-tabela .mes-total-row, #historico-tabela .edit-entry-row { display: table-row; margin-bottom: 0; border: none; box-shadow: none; padding: 0; }
    #historico-tabela .mes-total-row td, #historico-tabela .edit-entry-row td { display: table-cell; padding: 12px 8px; text-align: left; position: static; }
    #historico-tabela .mes-total-row td button { display: inline-block; width: auto; }
    #historico-tabela td { display: block; text-align: right; padding-left: 50%; position: relative; border-bottom: 1px dashed var(--border-color); }
    #historico-tabela td:last-child { border-bottom: none; }
    #historico-tabela td::before { content: attr(data-label); position: absolute; left: 10px; width: calc(50% - 20px); text-align: left; font-weight: bold; color: var(--primary-color); }
    
    .edit-entry-form { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto auto; }
    .edit-entry-form > .edit-entry-actions { grid-column: 1 / -1; justify-content: center; }
}