:root {
    --primary-color: #4a90e2;
    --sidebar-width: 260px;
    --header-height: 60px;
    --sidebar-bg: #2c3e50;
}

body {
    font-family: 'Roboto', sans-serif;
    background: #f5f6fa;
    margin: 0;
    min-height: 100vh;
}

/* Estilos da tela de login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: #f5f6fa;
}

.login-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #357abd;
}

/* Estilos do conteúdo principal */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    min-height: 100vh;
    transition: margin-left 0.3s;
}

.content {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    padding: 20px;
    margin-top: 20px;
}

.menu-toggle {
    position: fixed;
    top: 15px;
    left: 15px;
    z-index: 1050;
    padding: 10px;
    border-radius: 4px;
    display: none;
}

@media (max-width: 992px) {
    .menu-toggle {
        display: block;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
    }
    
    body.menu-open .sidebar {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
}

@media (max-width: 992px) {
    .main-content {
        margin-left: 0;
        padding: 15px;
    }
}