/**
 * LAYOUT PRINCIPAL
 * Container, header, main, footer
 */

/* Container principal */
.container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1024px;
    margin: 0 auto;
    background: white;
    box-shadow: var(--shadow-lg);
}

/* Topo fixo: header + barra de mês grudam no topo ao rolar */
.topo {
    position: sticky;
    top: 0;
    z-index: 50;
}

header.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 4px solid var(--primary-dark);
}

/* Barra de mês — largura inteira, entre o header e os cards */
.month-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}
/* Grupo "← Mês →" encostado à esquerda */
.month-nav {
    flex: 0 1 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    min-width: 0;
}
/* Toggle "Configurações" encostado à direita */
.month-bar .month-btn--config {
    flex: 0 0 auto;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    white-space: nowrap;
    font-size: 0.6rem;
    padding: 0.3rem 0.55rem;
}
/* Impede que o "* { font-size }" do mobile aumente estes textos filhos */
.month-bar .month-btn--config .cfg-label,
.month-bar .current-month > span { font-size: inherit; }
/* Emoji da engrenagem um pouco maior que o texto do botão */
.month-bar .month-btn--config .cfg-ico {
    font-size: 1.05rem;
    line-height: 1;
    vertical-align: -0.12em;
}
.month-bar .current-month {
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    color: var(--text);
    min-width: 8rem;
    text-align: center;
    white-space: nowrap;
}
/* Data em 3 níveis conforme a largura:
   "Setembro de 2026"  ->  "SET/2026"  ->  "09/26" */
.current-month .mes-curto,
.current-month .mes-mini { display: none; }
@media (max-width: 460px) {
    .month-bar .month-btn--config { font-size: 0.55rem; gap: 0.2rem; }
}
@media (max-width: 400px) {
    .current-month .mes-full { display: none; }
    .current-month .mes-curto { display: inline; }
    .month-bar .current-month { min-width: 0; }
    /* "Configurações" some, fica só a engrenagem */
    .month-btn--config .cfg-label { display: none; }
    .month-bar .month-btn--config { gap: 0; padding: 0.3rem 0.5rem; }
}
@media (max-width: 340px) {
    .current-month .mes-curto { display: none; }
    .current-month .mes-mini { display: inline; }
}
.month-bar .month-btn {
    background: var(--surface-2);
    color: var(--text);
    border: 1px solid var(--border-strong);
}
.month-bar .month-btn:hover { background: var(--surface-3); }

/* Estado "ligado" do toggle Configurações */
.month-bar .month-btn--config.active,
.month-bar .month-btn--config[aria-pressed="true"] {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.header-content h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0;
}

.header-info {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

/* Seletor de mês */
.month-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
}

.month-btn {
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-weight: var(--font-weight-bold);
    transition: all var(--transition-normal);
    font-size: var(--font-size-sm);
}

.month-btn:hover {
    background: rgba(255, 255, 255, 0.5);
}

.month-btn:active {
}

.current-month {
    font-weight: var(--font-weight-semibold);
    min-width: 150px;
    text-align: center;
    font-size: var(--font-size-sm);
}

/* Main */
:root { --pad-main: var(--spacing-xl); }
main.main {
    flex: 1;
    padding: var(--pad-main);
    overflow-y: auto;
}

/* A partir das abas, o fundo é branco ocupando 100% da largura */
.tab-content.active {
    background: var(--surface);
    color: var(--text);
    margin-left: calc(-1 * var(--pad-main));
    margin-right: calc(-1 * var(--pad-main));
    padding: var(--spacing-lg) var(--pad-main) var(--spacing-xl);
    border-radius: 0;
    border-top: 1px solid var(--border);
    min-height: 60vh;
}

/* Footer */
footer.footer {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: var(--spacing-md);
    margin-top: auto;
    font-size: var(--font-size-sm);
}

/* Containers de conteúdo */
.resumo-container,
.analise-container,
.transacoes-container,
.proximas-container,
.chart-container,
.form-transacao {
    margin-bottom: var(--spacing-xl);
}

.resumo-container h2,
.analise-container h2,
.transacoes-container h2,
.proximas-container h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
    font-size: var(--font-size-xl);
}

/* Scrollbar mobile */
main.main {
    -webkit-overflow-scrolling: touch;
}

/* Grid para layouts multi-coluna */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Flex utilitários */
.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.flex-column {
    flex-direction: column;
}

.gap-sm {
    gap: var(--spacing-sm);
}

.gap-md {
    gap: var(--spacing-md);
}

.gap-lg {
    gap: var(--spacing-lg);
}

/* Espaçamento utilitário */
.mt {
    margin-top: var(--spacing-md);
}

.mb {
    margin-bottom: var(--spacing-md);
}

.p {
    padding: var(--spacing-md);
}

.pt {
    padding-top: var(--spacing-md);
}

.pb {
    padding-bottom: var(--spacing-md);
}