/* ============================================
   VARIÁVEIS CSS
   ============================================ */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --header-height: 70px;
    --transition-speed: 0.3s;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
}

/* ============================================
   RESET E BASE
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    color: #333;
    overflow-x: hidden;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.app-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #2c3e50 0%, #34495e 100%);
    color: white;
    transition: all var(--transition-speed) ease;
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar-header {
    padding: 25px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-speed);
}

.sidebar.collapsed .sidebar-header h3 {
    opacity: 0;
    width: 0;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    transition: background var(--transition-speed);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

.sidebar-menu-item {
    margin: 5px 15px;
}

.sidebar-menu-link {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed);
    cursor: pointer;
    position: relative;
}

.sidebar-menu-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateX(5px);
}

.sidebar-menu-link.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: var(--box-shadow);
}

.sidebar-menu-link i {
    font-size: 20px;
    width: 30px;
    text-align: center;
    margin-right: 15px;
    transition: margin var(--transition-speed);
}

.sidebar.collapsed .sidebar-menu-link i {
    margin-right: 0;
}

.sidebar-menu-link span {
    white-space: nowrap;
    transition: opacity var(--transition-speed);
}

.sidebar.collapsed .sidebar-menu-link span {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar.collapsed .sidebar-menu-link {
    justify-content: center;
    padding: 15px;
}

/* ============================================
   CONTEÚDO PRINCIPAL
   ============================================ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-speed);
    min-height: 100vh;
}

.main-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed-width);
}

.content-header {
    background: white;
    padding: 25px 30px;
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.content-header h1 {
    margin: 0;
    font-size: 28px;
    font-weight: 600;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 15px;
}

.content-header h1 i {
    color: var(--primary-color);
}

.content-body {
    padding: 0 30px 30px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 25px;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 20px 25px;
    border-radius: var(--border-radius);
    margin: -30px -30px 25px -30px;
}

.card-header h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
}

/* ============================================
   FORMULÁRIOS
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 8px;
    display: block;
}

.form-control {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 12px 15px;
    transition: all var(--transition-speed);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    border-radius: 8px;
    padding: 12px 25px;
    font-weight: 600;
    transition: all var(--transition-speed);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
    color: white;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-sm {
    padding: 8px 15px;
    font-size: 14px;
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    border-radius: var(--border-radius);
    padding: 15px 20px;
    margin-bottom: 20px;
    border: none;
}

.alert i {
    margin-right: 10px;
}

/* ============================================
   LOADING
   ============================================ */
.loading {
    display: none;
    text-align: center;
    padding: 40px;
}

.loading.show {
    display: block;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

/* ============================================
   INFO BOX
   ============================================ */
.info-box {
    background: var(--light-color);
    border-left: 4px solid var(--primary-color);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
}

.info-box i {
    color: var(--primary-color);
    margin-right: 10px;
    font-size: 18px;
}

/* ============================================
   UPLOAD DE ARQUIVOS
   ============================================ */
.file-upload-area {
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 50px;
    text-align: center;
    background: var(--light-color);
    transition: all var(--transition-speed);
    cursor: pointer;
}

.file-upload-area:hover {
    background: #e9ecef;
    border-color: var(--secondary-color);
    transform: scale(1.02);
}

.file-upload-area.dragover {
    background: #e7f3ff;
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.file-upload-area i {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: block;
}

.file-input {
    display: none;
}

.file-item {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 15px 20px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-speed);
}

.file-item:hover {
    background: var(--light-color);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.file-item-name {
    flex: 1;
    margin-right: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.file-item-name i {
    color: var(--success-color);
    font-size: 18px;
}

.file-item-size {
    color: #6c757d;
    font-size: 0.9em;
    margin-right: 15px;
}

.file-item-status {
    margin-right: 15px;
    font-size: 0.9em;
}

.file-item-status.processing {
    color: var(--warning-color);
}

.file-item-status.success {
    color: var(--success-color);
}

.file-item-status.error {
    color: var(--danger-color);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.badge-aberto {
    background-color: var(--warning-color);
    color: #000;
}

.badge-pago {
    background-color: var(--success-color);
    color: #fff;
}

.badge-cancelada {
    background-color: var(--danger-color);
    color: #fff;
}

.badge-parcial {
    background-color: var(--info-color);
    color: #fff;
}

/* ============================================
   TABELAS
   ============================================ */
table.dataTable {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.dataTables_wrapper .dataTables_filter input {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 10px 15px;
    margin-left: 10px;
}

.dataTables_wrapper .dataTables_length select {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 8px 15px;
    margin: 0 10px;
}

.table-responsive {
    border-radius: var(--border-radius);
    overflow: hidden;
}

/* ============================================
   DASHBOARD
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

/* Seção de Contas - Container Principal */
.conta-section-card {
    background: #ffffff;
    border: none;
    border-radius: 20px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

.conta-section-header {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-bottom: 2px solid #e9ecef;
    padding: 25px 30px;
}

.conta-section-header h2 {
    font-size: 28px;
    font-weight: 800;
    color: #212529;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.conta-section-header h2 i {
    color: #667eea;
    font-size: 26px;
}

.conta-section-subtitle {
    font-size: 14px;
    color: #6c757d;
    margin: 0;
    font-weight: 500;
}

.conta-section-body {
    padding: 30px;
    background: linear-gradient(to bottom, #fafbfc 0%, #ffffff 100%);
}

/* Grid específico para cards de conta - Layout Premium */
#contasContainer {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 28px;
    padding: 5px 0;
}

@media (max-width: 768px) {
    #contasContainer {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .conta-section-header {
        padding: 20px;
    }
    
    .conta-section-body {
        padding: 20px;
    }
}

@media (min-width: 1400px) {
    #contasContainer {
        grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    }
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-speed);
    border: none;
    border-left: 4px solid #93c5fd;
    border-bottom: 4px solid #93c5fd;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.stat-card.primary {
    border-left-color: #93c5fd;
    border-bottom-color: #93c5fd;
}

.stat-card.primary::before {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.stat-card.success {
    border-left-color: #86efac;
    border-bottom-color: #86efac;
}

.stat-card.success::before {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
}

.stat-card.warning {
    border-left-color: #fde047;
    border-bottom-color: #fde047;
}

.stat-card.warning::before {
    background: linear-gradient(90deg, #ffc107 0%, #ff9800 100%);
}

.stat-card.info {
    border-left-color: #7dd3fc;
    border-bottom-color: #7dd3fc;
}

.stat-card.info::before {
    background: linear-gradient(90deg, #17a2b8 0%, #30cfd0 100%);
}

.stat-card.danger {
    border-left-color: #fca5a5;
    border-bottom-color: #fca5a5;
}

.stat-card.danger::before {
    background: linear-gradient(90deg, #dc3545 0%, #fd7e14 100%);
}

.stat-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 25px;
    padding-top: 5px;
}

.stat-card-title {
    font-size: 11px;
    font-weight: 600;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin: 0;
    line-height: 1.4;
    flex: 1;
}

.stat-card-icon {
    font-size: 20px;
    color: #9ca3af;
    opacity: 0.5;
    flex-shrink: 0;
    margin-left: 10px;
}

.stat-card-value {
    font-size: 32px;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
    line-height: 1.2;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    letter-spacing: -0.5px;
}

.chart-container {
    position: relative;
    height: 300px;
    margin-bottom: 30px;
}

.chart-container-large {
    height: 400px;
}

.dashboard-filtros {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: var(--box-shadow);
}

.dashboard-filtros .row {
    margin-bottom: 15px;
}

.dashboard-filtros .row:last-child {
    margin-bottom: 0;
}

/* Cards de Conta - Design Premium e Elegante */
.conta-card-modern {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    min-height: 380px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.conta-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.conta-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(102, 126, 234, 0.1);
}

.conta-card-modern:hover::before {
    opacity: 1;
}

.conta-card-success::before {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
}

.conta-card-danger::before {
    background: linear-gradient(90deg, #dc3545 0%, #fd7e14 100%);
}

.conta-card-primary::before {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

/* Header do Card - Design Premium */
.conta-card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px 25px;
    display: flex;
    align-items: center;
    gap: 18px;
    position: relative;
    overflow: hidden;
}

.conta-card-header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="20" height="20" patternUnits="userSpaceOnUse"><path d="M 20 0 L 0 0 0 20" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.conta-card-success .conta-card-header {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.conta-card-danger .conta-card-header {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
}

.conta-card-primary .conta-card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.conta-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.conta-card-modern:hover .conta-icon-wrapper {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.icon-bg-success,
.icon-bg-danger,
.icon-bg-primary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.conta-header-info {
    flex: 1;
    position: relative;
    z-index: 1;
}

.conta-label-header {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.85);
    display: block;
    margin-bottom: 8px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.conta-nome-modern {
    font-size: 26px;
    font-weight: 800;
    color: white;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    letter-spacing: -0.5px;
}

/* Body do Card - Layout Melhorado */
.conta-card-body {
    padding: 30px 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: linear-gradient(to bottom, #ffffff 0%, #fafbfc 100%);
}

.conta-saldo-wrapper {
    text-align: center;
    padding: 28px 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 16px;
    border: 2px solid #e9ecef;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.conta-saldo-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.conta-card-modern:hover .conta-saldo-wrapper::before {
    transform: scaleX(1);
}

.conta-card-success:hover .conta-saldo-wrapper::before {
    background: linear-gradient(90deg, #28a745 0%, #20c997 100%);
}

.conta-card-danger:hover .conta-saldo-wrapper::before {
    background: linear-gradient(90deg, #dc3545 0%, #fd7e14 100%);
}

.conta-card-modern:hover .conta-saldo-wrapper {
    border-color: #dee2e6;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.conta-saldo-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 12px;
    font-weight: 700;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 18px;
}

.conta-saldo-label i {
    font-size: 16px;
    opacity: 0.7;
}

.conta-saldo-valor {
    font-size: 42px;
    font-weight: 900;
    line-height: 1.1;
    position: relative;
    letter-spacing: -1px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.saldo-positivo {
    color: #28a745;
    text-shadow: 0 2px 8px rgba(40, 167, 69, 0.15);
}

.saldo-negativo {
    color: #dc3545;
    text-shadow: 0 2px 8px rgba(220, 53, 69, 0.15);
}

.saldo-zero {
    color: #6c757d;
}

.saldo-sinal {
    position: absolute;
    left: -24px;
    font-size: 48px;
    font-weight: 900;
    opacity: 0.8;
}

/* Detalhes da Conta - Design Refinado */
.conta-detalhes-modern {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.conta-detalhe-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 16px;
    background: #ffffff;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e9ecef;
    border-left: 4px solid transparent;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.conta-detalhe-item:hover {
    background: #f8f9fa;
    transform: translateX(6px);
    border-left-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: #dee2e6;
}

.detalhe-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.conta-detalhe-item:hover .detalhe-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.credito-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.debito-icon {
    background: linear-gradient(135deg, #dc3545 0%, #fd7e14 100%);
}

.movimentacao-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.detalhe-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detalhe-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #868e96;
}

.detalhe-valor {
    font-size: 18px;
    font-weight: 800;
    color: #212529;
    letter-spacing: -0.3px;
}

.credito-valor {
    color: #28a745;
}

.debito-valor {
    color: #dc3545;
}

/* ============================================
   PRELOADER / LOADING MODAL
   ============================================ */
.preloader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.preloader-overlay.show {
    display: flex;
}

.preloader-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 90%;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.preloader-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid #f3f4f6;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.preloader-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.preloader-message {
    font-size: 14px;
    color: #6c757d;
    margin-bottom: 20px;
}

.preloader-progress {
    width: 100%;
    height: 8px;
    background: #f3f4f6;
    border-radius: 10px;
    overflow: hidden;
    margin-top: 20px;
}

.preloader-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    width: 0%;
    transition: width 0.3s ease;
    animation: progressPulse 1.5s ease-in-out infinite;
}

@keyframes progressPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.preloader-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.preloader-stat {
    text-align: center;
}

.preloader-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.preloader-stat-label {
    font-size: 11px;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 5px;
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .content-body {
        padding: 0 15px 20px;
    }
    
    .card {
        padding: 20px;
    }
    
    #contasContainer {
        grid-template-columns: 1fr;
    }
    
    .conta-card-header {
        padding: 20px;
    }
    
    .conta-nome-modern {
        font-size: 20px;
    }
    
    .conta-saldo-valor {
        font-size: 28px;
    }
    
    .conta-card-body {
        padding: 20px;
    }
}

/* ============================================
   ANIMAÇÕES
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-muted {
    color: #6c757d !important;
}

.mt-3 {
    margin-top: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}