:root {
    --primary-color: #2ecc71;      /* Verde principal */
    --primary-hover: #27ae60;      /* Verde hover */
    --dark-gray: #2c3e50;          /* Cinza escuro para sidebar */
    --light-gray: #f5f6fa;         /* Cinza claro para fundo */
    --text-dark: #2d3436;          /* Cor texto escuro */
    --text-light: #ffffff;         /* Cor texto claro */
    --border-color: #dcdde1;       /* Cor das bordas */
}

body {
    background-color: var(--light-gray);
    color: var(--text-dark);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Sidebar */
.sidebar {
    background: var(--dark-gray);
    min-height: 100vh;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

.sidebar .nav-link {
    color: var(--text-light);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    margin: 4px 8px;
    transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--primary-color);
}

.sidebar .nav-link.active {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.sidebar .nav-link i {
    margin-right: 10px;
}

/* Cards e Conteúdo */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.welcome-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--text-light);
}

/* Botões */
.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-primary:hover {
    background-color: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

.btn-outline-primary {
    color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--text-light) !important;
}

/* Tabelas */
.table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.table thead th {
    background-color: var(--light-gray);
    border-bottom: 2px solid var(--border-color);
    color: var(--text-dark);
    font-weight: 600;
    padding: 1rem;
}

.table tbody tr:hover {
    background-color: rgba(46, 204, 113, 0.05);
}

/* Forms */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(46, 204, 113, 0.25);
}

/* Badges */
.badge.bg-success {
    background-color: var(--primary-color) !important;
}

/* Header e Navegação */
.content-header {
    background: white;
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Logo área */
.logo-container {
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1rem;
}

.logo-container img {
    max-width: 150px;
    height: auto;
    filter: brightness(1.2);
}

/* Cards do Dashboard */
.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.stat-card .stat-label {
    color: var(--text-dark);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        z-index: 1000;
        width: 100%;
        height: auto;
        min-height: auto;
    }
    
    .content {
        margin-top: 60px;
        padding: 15px;
    }
    
    .table-responsive {
        border-radius: 8px;
    }

    .stat-card {
        height: 100px;
        padding: 1rem;
    }

    .stat-card .stat-value {
        font-size: 1.5rem;
    }
}

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

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