:root {
    --primary-color: #4361ee;
    --success-color: #06d6a0;
    --danger-color: #ef476f;
    --warning-color: #ffd166;
    --dark-color: #2b2d42;
    --light-color: #f8f9fa;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f6fa;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 250px;
    background: linear-gradient(135deg, var(--dark-color) 0%, #1a1b2f 100%);
    color: white;
    transition: all 0.3s;
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.sidebar-header h3 i {
    color: var(--warning-color);
    margin-right: 10px;
}

.sidebar-menu {
    padding: 20px 0;
}

.sidebar-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu ul li {
    margin-bottom: 5px;
}

.sidebar-menu ul li a {
    display: block;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-menu ul li a:hover,
.sidebar-menu ul li a.active {
    background: rgba(255,255,255,0.1);
    color: white;
    border-left-color: var(--warning-color);
}

.sidebar-menu ul li a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 20px;
    transition: all 0.3s;
}

/* Cards Dashboard */
.dashboard-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    height: 100%;
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 15px;
}

.card-icon.entrada {
    background: rgba(6, 214, 160, 0.1);
    color: var(--success-color);
}

.card-icon.saida {
    background: rgba(239, 71, 111, 0.1);
    color: var(--danger-color);
}

.card-icon.saldo {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary-color);
}

.card-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
}

.card-label {
    color: #6c757d;
    font-size: 14px;
}

/* Tabelas */
.table-container {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table thead th {
    border-top: none;
    background-color: var(--light-color);
    color: var(--dark-color);
    font-weight: 600;
}

.badge-tipo {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-entrada {
    background: rgba(6, 214, 160, 0.1);
    color: var(--success-color);
}

.badge-saida {
    background: rgba(239, 71, 111, 0.1);
    color: var(--danger-color);
}

/* Modal */
.modal-content {
    border-radius: 10px;
    border: none;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), #3a0ca3);
    color: white;
    border-radius: 10px 10px 0 0;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

/* Botões */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #3a0ca3);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 500;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #3a0ca3, var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

/* Filtros */
.filtros-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Responsivo */
@media (max-width: 768px) {
    .sidebar {
        left: -250px;
    }
    
    .sidebar.active {
        left: 0;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .main-content.active {
        margin-left: 250px;
    }
    
    .menu-toggle {
        display: block;
        position: fixed;
        top: 20px;
        right: 20px;
        z-index: 1100;
        background: var(--primary-color);
        color: white;
        border: none;
        padding: 10px 15px;
        border-radius: 5px;
        cursor: pointer;
    }
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner-overlay.active {
    display: flex;
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}