/* =========================================================================
   MODERN UI STYLES - Premium, Clean, Responsive (Grayscale/B&W Theme)
   ========================================================================= */

:root {
    /* Grayscale Palette */
    --mui-bg-body: #ffffff; /* Fundo Clean absoluto */
    --mui-bg-card: #ffffff;
    --mui-bg-sidebar: #fafafa;
    
    --mui-text-main: #111111;
    --mui-text-muted: #6b7280;
    --mui-text-light: #9ca3af;
    
    --mui-border: #d1d5db; /* Borda leve mais visível */
    --mui-border-hover: #9ca3af;
    
    --mui-primary: #000000;
    --mui-primary-hover: #333333;
    
    --mui-active-bg: #f9fafb;
    
    --mui-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
    --mui-shadow-md: 0 8px 16px rgba(0, 0, 0, 0.04);
    --mui-shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.06);
    
    --mui-radius-sm: 6px;
    --mui-radius-md: 10px;
    --mui-radius-lg: 16px;
    
    --mui-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === SIDEBAR / NAVIGATION OVERRIDES === */
/* Adjust main sidebar wrapper if needed */
.header-nav {
    padding: 10px 0;
}

/* Categories Group (Accordion / Details) */
.mui-nav-group {
    margin-bottom: 5px;
    border-bottom: 1px solid transparent;
}

.mui-nav-group details {
    width: 100%;
}

/* Hide default marker in details */
.mui-nav-group details > summary {
    list-style: none;
}
.mui-nav-group details > summary::-webkit-details-marker {
    display: none;
}

/* Summary / Category Header */
.mui-nav-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    color: var(--mui-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--mui-transition);
    border-radius: var(--mui-radius-sm);
    user-select: none;
}

.mui-nav-summary:hover {
    color: var(--mui-text-main);
    background-color: var(--mui-active-bg);
}

.mui-nav-summary .icon-left {
    margin-right: 12px;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.mui-nav-summary .icon-right {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

/* Rotate arrow when open */
.mui-nav-group details[open] .mui-nav-summary .icon-right {
    transform: rotate(180deg);
}
.mui-nav-group details[open] .mui-nav-summary {
    color: var(--mui-primary);
    font-weight: 700;
}

/* Links Container within Category */
.mui-nav-links {
    display: flex;
    flex-direction: column;
    padding: 5px 0 10px 0;
    gap: 4px;
}

.mui-nav-links a {
    display: flex;
    align-items: center;
    padding: 10px 16px 10px 48px; /* Indented for sub-items */
    color: var(--mui-text-muted);
    font-size: 0.95rem;
    text-decoration: none;
    border-radius: 0 var(--mui-radius-md) var(--mui-radius-md) 0; /* Modern pill style on right */
    transition: var(--mui-transition);
    font-weight: 500;
    margin-right: 16px; /* Margin to show the pill effect */
}

.mui-nav-links a:hover,
.mui-nav-links a.active {
    background-color: var(--mui-active-bg);
    color: var(--mui-primary);
    font-weight: 600;
}
.mui-nav-links a.active {
    border-left: 4px solid var(--mui-primary);
    padding-left: 44px; /* Adjust padding to accommodate border */
}


/* === OVERVIEW DASHBOARD OVERRIDES === */

/* Overriding default bg to grayscale */
body {
    background-color: var(--mui-bg-body) !important;
    color: var(--mui-text-main);
}

.home-body {
    padding: 20px;
}

.home-body h2.text-primary {
    color: var(--mui-primary) !important;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 5px;
}
.home-body > p {
    color: var(--mui-text-muted);
    margin-bottom: 30px;
}

/* Grid Layout for Dashboard */
.mui-grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    width: 100%;
}

/* Single Grid Row specific for groups of 3 */
.mui-grid-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

/* Premium Widget Card - Flat Style */
.mui-widget-card {
    background-color: var(--mui-bg-card);
    border-radius: var(--mui-radius-lg);
    box-shadow: none; /* Removemos a caixa pesada */
    border: 1px solid var(--mui-border);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: var(--mui-transition);
    overflow: hidden;
    height: 400px;
    width: 100%;
}

.mui-widget-card:hover {
    box-shadow: var(--mui-shadow-lg);
    transform: translateY(-2px);
    border-color: var(--mui-border-hover);
}

/* Widget Header */
.mui-widget-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.mui-widget-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--mui-text-main);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.mui-widget-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background-color: var(--mui-bg-body);
    color: var(--mui-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

/* Widget Content Area */
.mui-widget-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto; /* Barra de rolagem vertical caso o conteúdo passe da altura */
    overflow-x: hidden;
    padding-right: 5px; /* Evita que a barra de rolagem cole no texto */
}

/* Customizando a scrollbar (Opcional para design premium) */
.mui-widget-content::-webkit-scrollbar {
    width: 6px;
}
.mui-widget-content::-webkit-scrollbar-track {
    background: transparent;
}
.mui-widget-content::-webkit-scrollbar-thumb {
    background-color: var(--mui-border-hover);
    border-radius: 10px;
}

/* Transactions Table */
.mui-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.mui-table th {
    text-align: left;
    color: var(--mui-text-light);
    font-weight: 600;
    padding: 8px 4px;
    border-bottom: 1px solid var(--mui-border);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.mui-table td {
    padding: 12px 4px;
    border-bottom: 1px solid var(--mui-bg-body);
    color: var(--mui-text-main);
}
.mui-table tr:last-child td {
    border-bottom: none;
}

.mui-table-value {
    text-align: right;
    font-weight: 600;
}

.mui-empty-state {
    padding: 20px 0;
    text-align: center;
    color: var(--mui-text-light);
    font-size: 0.9rem;
    font-style: italic;
}

/* Widget Footer */
.mui-widget-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    margin-top: auto;
    border-top: 1px solid var(--mui-border);
}

.mui-footer-label {
    font-size: 0.85rem;
    color: var(--mui-text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.mui-footer-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--mui-text-main);
    letter-spacing: -0.03em;
}

/* Color Overrides for Grayscale values (Replacing Success/Danger greens/reds with shades of gray or maintaining strict b&w logic) */
.mui-val-positive {
    color: #1a1a1a; /* Dark for receipt */
}
.mui-val-negative {
    color: #4d4d4d; /* Slightly lighter gray for expenses */
}

/* === RESPONSIVE QUERIES === */
@media (max-width: 1200px) {
    .mui-grid-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mui-grid-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .mui-widget-card {
        padding: 16px;
    }
    
    .mui-nav-links a {
        padding-left: 32px;
    }
    .mui-nav-links a.active {
        padding-left: 28px;
    }
}